diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra30_clocks.c')
| -rw-r--r-- | arch/arm/mach-tegra/tegra30_clocks.c | 3108 |
1 files changed, 0 insertions, 3108 deletions
diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c deleted file mode 100644 index e33fe4b14a2..00000000000 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ /dev/null @@ -1,3108 +0,0 @@ -/* - * arch/arm/mach-tegra/tegra30_clocks.c - * - * Copyright (c) 2010-2011 NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/clk.h> -#include <linux/cpufreq.h> -#include <linux/syscore_ops.h> - -#include <asm/clkdev.h> - -#include <mach/iomap.h> - -#include "clock.h" -#include "fuse.h" - -#define USE_PLL_LOCK_BITS 0 - -#define RST_DEVICES_L 0x004 -#define RST_DEVICES_H 0x008 -#define RST_DEVICES_U 0x00C -#define RST_DEVICES_V 0x358 -#define RST_DEVICES_W 0x35C -#define RST_DEVICES_SET_L 0x300 -#define RST_DEVICES_CLR_L 0x304 -#define RST_DEVICES_SET_V 0x430 -#define RST_DEVICES_CLR_V 0x434 -#define RST_DEVICES_NUM 5 - -#define CLK_OUT_ENB_L 0x010 -#define CLK_OUT_ENB_H 0x014 -#define CLK_OUT_ENB_U 0x018 -#define CLK_OUT_ENB_V 0x360 -#define CLK_OUT_ENB_W 0x364 -#define CLK_OUT_ENB_SET_L 0x320 -#define CLK_OUT_ENB_CLR_L 0x324 -#define CLK_OUT_ENB_SET_V 0x440 -#define CLK_OUT_ENB_CLR_V 0x444 -#define CLK_OUT_ENB_NUM 5 - -#define RST_DEVICES_V_SWR_CPULP_RST_DIS (0x1 << 1) -#define CLK_OUT_ENB_V_CLK_ENB_CPULP_EN (0x1 << 1) - -#define PERIPH_CLK_TO_BIT(c) (1 << (c->u.periph.clk_num % 32)) -#define PERIPH_CLK_TO_RST_REG(c) \ - periph_clk_to_reg((c), RST_DEVICES_L, RST_DEVICES_V, 4) -#define PERIPH_CLK_TO_RST_SET_REG(c) \ - periph_clk_to_reg((c), RST_DEVICES_SET_L, RST_DEVICES_SET_V, 8) -#define PERIPH_CLK_TO_RST_CLR_REG(c) \ - periph_clk_to_reg((c), RST_DEVICES_CLR_L, RST_DEVICES_CLR_V, 8) - -#define PERIPH_CLK_TO_ENB_REG(c) \ - periph_clk_to_reg((c), CLK_OUT_ENB_L, CLK_OUT_ENB_V, 4) -#define PERIPH_CLK_TO_ENB_SET_REG(c) \ - periph_clk_to_reg((c), CLK_OUT_ENB_SET_L, CLK_OUT_ENB_SET_V, 8) -#define PERIPH_CLK_TO_ENB_CLR_REG(c) \ - periph_clk_to_reg((c), CLK_OUT_ENB_CLR_L, CLK_OUT_ENB_CLR_V, 8) - -#define CLK_MASK_ARM 0x44 -#define MISC_CLK_ENB 0x48 - -#define OSC_CTRL 0x50 -#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28) -#define OSC_CTRL_OSC_FREQ_13MHZ (0x0<<28) -#define OSC_CTRL_OSC_FREQ_19_2MHZ (0x4<<28) -#define OSC_CTRL_OSC_FREQ_12MHZ (0x8<<28) -#define OSC_CTRL_OSC_FREQ_26MHZ (0xC<<28) -#define OSC_CTRL_OSC_FREQ_16_8MHZ (0x1<<28) -#define OSC_CTRL_OSC_FREQ_38_4MHZ (0x5<<28) -#define OSC_CTRL_OSC_FREQ_48MHZ (0x9<<28) -#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK) - -#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26) -#define OSC_CTRL_PLL_REF_DIV_1 (0<<26) -#define OSC_CTRL_PLL_REF_DIV_2 (1<<26) -#define OSC_CTRL_PLL_REF_DIV_4 (2<<26) - -#define OSC_FREQ_DET 0x58 -#define OSC_FREQ_DET_TRIG (1<<31) - -#define OSC_FREQ_DET_STATUS 0x5C -#define OSC_FREQ_DET_BUSY (1<<31) -#define OSC_FREQ_DET_CNT_MASK 0xFFFF - -#define PERIPH_CLK_SOURCE_I2S1 0x100 -#define PERIPH_CLK_SOURCE_EMC 0x19c -#define PERIPH_CLK_SOURCE_OSC 0x1fc -#define PERIPH_CLK_SOURCE_NUM1 \ - ((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4) - -#define PERIPH_CLK_SOURCE_G3D2 0x3b0 -#define PERIPH_CLK_SOURCE_SE 0x42c -#define PERIPH_CLK_SOURCE_NUM2 \ - ((PERIPH_CLK_SOURCE_SE - PERIPH_CLK_SOURCE_G3D2) / 4 + 1) - -#define AUDIO_DLY_CLK 0x49c -#define AUDIO_SYNC_CLK_SPDIF 0x4b4 -#define PERIPH_CLK_SOURCE_NUM3 \ - ((AUDIO_SYNC_CLK_SPDIF - AUDIO_DLY_CLK) / 4 + 1) - -#define PERIPH_CLK_SOURCE_NUM (PERIPH_CLK_SOURCE_NUM1 + \ - PERIPH_CLK_SOURCE_NUM2 + \ - PERIPH_CLK_SOURCE_NUM3) - -#define CPU_SOFTRST_CTRL 0x380 - -#define PERIPH_CLK_SOURCE_DIVU71_MASK 0xFF -#define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF -#define PERIPH_CLK_SOURCE_DIV_SHIFT 0 -#define PERIPH_CLK_SOURCE_DIVIDLE_SHIFT 8 -#define PERIPH_CLK_SOURCE_DIVIDLE_VAL 50 -#define PERIPH_CLK_UART_DIV_ENB (1<<24) -#define PERIPH_CLK_VI_SEL_EX_SHIFT 24 -#define PERIPH_CLK_VI_SEL_EX_MASK (0x3<<PERIPH_CLK_VI_SEL_EX_SHIFT) -#define PERIPH_CLK_NAND_DIV_EX_ENB (1<<8) -#define PERIPH_CLK_DTV_POLARITY_INV (1<<25) - -#define AUDIO_SYNC_SOURCE_MASK 0x0F -#define AUDIO_SYNC_DISABLE_BIT 0x10 -#define AUDIO_SYNC_TAP_NIBBLE_SHIFT(c) ((c->reg_shift - 24) * 4) - -#define PLL_BASE 0x0 -#define PLL_BASE_BYPASS (1<<31) -#define PLL_BASE_ENABLE (1<<30) -#define PLL_BASE_REF_ENABLE (1<<29) -#define PLL_BASE_OVERRIDE (1<<28) -#define PLL_BASE_LOCK (1<<27) -#define PLL_BASE_DIVP_MASK (0x7<<20) -#define PLL_BASE_DIVP_SHIFT 20 -#define PLL_BASE_DIVN_MASK (0x3FF<<8) -#define PLL_BASE_DIVN_SHIFT 8 -#define PLL_BASE_DIVM_MASK (0x1F) -#define PLL_BASE_DIVM_SHIFT 0 - -#define PLL_OUT_RATIO_MASK (0xFF<<8) -#define PLL_OUT_RATIO_SHIFT 8 -#define PLL_OUT_OVERRIDE (1<<2) -#define PLL_OUT_CLKEN (1<<1) -#define PLL_OUT_RESET_DISABLE (1<<0) - -#define PLL_MISC(c) \ - (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) -#define PLL_MISC_LOCK_ENABLE(c) \ - (((c)->flags & (PLLU | PLLD)) ? (1<<22) : (1<<18)) - -#define PLL_MISC_DCCON_SHIFT 20 -#define PLL_MISC_CPCON_SHIFT 8 -#define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT) -#define PLL_MISC_LFCON_SHIFT 4 -#define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT) -#define PLL_MISC_VCOCON_SHIFT 0 -#define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT) -#define PLLD_MISC_CLKENABLE (1<<30) - -#define PLLU_BASE_POST_DIV (1<<20) - -#define PLLD_BASE_DSIB_MUX_SHIFT 25 -#define PLLD_BASE_DSIB_MUX_MASK (1<<PLLD_BASE_DSIB_MUX_SHIFT) -#define PLLD_BASE_CSI_CLKENABLE (1<<26) -#define PLLD_MISC_DSI_CLKENABLE (1<<30) -#define PLLD_MISC_DIV_RST (1<<23) -#define PLLD_MISC_DCCON_SHIFT 12 - -#define PLLDU_LFCON_SET_DIVN 600 - -/* FIXME: OUT_OF_TABLE_CPCON per pll */ -#define OUT_OF_TABLE_CPCON 0x8 - -#define SUPER_CLK_MUX 0x00 -#define SUPER_STATE_SHIFT 28 -#define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT) -#define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT) -#define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT) -#define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT) -#define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT) -#define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT) -#define SUPER_LP_DIV2_BYPASS (0x1 << 16) -#define SUPER_SOURCE_MASK 0xF -#define SUPER_FIQ_SOURCE_SHIFT 12 -#define SUPER_IRQ_SOURCE_SHIFT 8 -#define SUPER_RUN_SOURCE_SHIFT 4 -#define SUPER_IDLE_SOURCE_SHIFT 0 - -#define SUPER_CLK_DIVIDER 0x04 -#define SUPER_CLOCK_DIV_U71_SHIFT 16 -#define SUPER_CLOCK_DIV_U71_MASK (0xff << SUPER_CLOCK_DIV_U71_SHIFT) -/* guarantees safe cpu backup */ -#define SUPER_CLOCK_DIV_U71_MIN 0x2 - -#define BUS_CLK_DISABLE (1<<3) -#define BUS_CLK_DIV_MASK 0x3 - -#define PMC_CTRL 0x0 - #define PMC_CTRL_BLINK_ENB (1 << 7) - -#define PMC_DPD_PADS_ORIDE 0x1c - #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20) - -#define PMC_BLINK_TIMER_DATA_ON_SHIFT 0 -#define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff -#define PMC_BLINK_TIMER_ENB (1 << 15) -#define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16 -#define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff - -#define PMC_PLLP_WB0_OVERRIDE 0xf8 -#define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE (1 << 12) - -#define UTMIP_PLL_CFG2 0x488 -#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6) -#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) -#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN (1 << 0) -#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN (1 << 2) -#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN (1 << 4) - -#define UTMIP_PLL_CFG1 0x484 -#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) -#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) -#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN (1 << 14) -#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN (1 << 12) -#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN (1 << 16) - -#define PLLE_BASE_CML_ENABLE (1<<31) -#define PLLE_BASE_ENABLE (1<<30) -#define PLLE_BASE_DIVCML_SHIFT 24 -#define PLLE_BASE_DIVCML_MASK (0xf<<PLLE_BASE_DIVCML_SHIFT) -#define PLLE_BASE_DIVP_SHIFT 16 -#define PLLE_BASE_DIVP_MASK (0x3f<<PLLE_BASE_DIVP_SHIFT) -#define PLLE_BASE_DIVN_SHIFT 8 -#define PLLE_BASE_DIVN_MASK (0xFF<<PLLE_BASE_DIVN_SHIFT) -#define PLLE_BASE_DIVM_SHIFT 0 -#define PLLE_BASE_DIVM_MASK (0xFF<<PLLE_BASE_DIVM_SHIFT) -#define PLLE_BASE_DIV_MASK \ - (PLLE_BASE_DIVCML_MASK | PLLE_BASE_DIVP_MASK | \ - PLLE_BASE_DIVN_MASK | PLLE_BASE_DIVM_MASK) -#define PLLE_BASE_DIV(m, n, p, cml) \ - (((cml)<<PLLE_BASE_DIVCML_SHIFT) | ((p)<<PLLE_BASE_DIVP_SHIFT) | \ - ((n)<<PLLE_BASE_DIVN_SHIFT) | ((m)<<PLLE_BASE_DIVM_SHIFT)) - -#define PLLE_MISC_SETUP_BASE_SHIFT 16 -#define PLLE_MISC_SETUP_BASE_MASK (0xFFFF<<PLLE_MISC_SETUP_BASE_SHIFT) -#define PLLE_MISC_READY (1<<15) -#define PLLE_MISC_LOCK (1<<11) -#define PLLE_MISC_LOCK_ENABLE (1<<9) -#define PLLE_MISC_SETUP_EX_SHIFT 2 -#define PLLE_MISC_SETUP_EX_MASK (0x3<<PLLE_MISC_SETUP_EX_SHIFT) -#define PLLE_MISC_SETUP_MASK \ - (PLLE_MISC_SETUP_BASE_MASK | PLLE_MISC_SETUP_EX_MASK) -#define PLLE_MISC_SETUP_VALUE \ - ((0x7<<PLLE_MISC_SETUP_BASE_SHIFT) | (0x0<<PLLE_MISC_SETUP_EX_SHIFT)) - -#define PLLE_SS_CTRL 0x68 -#define PLLE_SS_INCINTRV_SHIFT 24 -#define PLLE_SS_INCINTRV_MASK (0x3f<<PLLE_SS_INCINTRV_SHIFT) -#define PLLE_SS_INC_SHIFT 16 -#define PLLE_SS_INC_MASK (0xff<<PLLE_SS_INC_SHIFT) -#define PLLE_SS_MAX_SHIFT 0 -#define PLLE_SS_MAX_MASK (0x1ff<<PLLE_SS_MAX_SHIFT) -#define PLLE_SS_COEFFICIENTS_MASK \ - (PLLE_SS_INCINTRV_MASK | PLLE_SS_INC_MASK | PLLE_SS_MAX_MASK) -#define PLLE_SS_COEFFICIENTS_12MHZ \ - ((0x18<<PLLE_SS_INCINTRV_SHIFT) | (0x1<<PLLE_SS_INC_SHIFT) | \ - (0x24<<PLLE_SS_MAX_SHIFT)) -#define PLLE_SS_DISABLE ((1<<12) | (1<<11) | (1<<10)) - -#define PLLE_AUX 0x48c -#define PLLE_AUX_PLLP_SEL (1<<2) -#define PLLE_AUX_CML_SATA_ENABLE (1<<1) -#define PLLE_AUX_CML_PCIE_ENABLE (1<<0) - -#define PMC_SATA_PWRGT 0x1ac -#define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE (1<<5) -#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1<<4) - -#define ROUND_DIVIDER_UP 0 -#define ROUND_DIVIDER_DOWN 1 - -/* FIXME: recommended safety delay after lock is detected */ -#define PLL_POST_LOCK_DELAY 100 - -/** -* Structure defining the fields for USB UTMI clocks Parameters. -*/ -struct utmi_clk_param { - /* Oscillator Frequency in KHz */ - u32 osc_frequency; - /* UTMIP PLL Enable Delay Count */ - u8 enable_delay_count; - /* UTMIP PLL Stable count */ - u8 stable_count; - /* UTMIP PLL Active delay count */ - u8 active_delay_count; - /* UTMIP PLL Xtal frequency count */ - u8 xtal_freq_count; -}; - -static const struct utmi_clk_param utmi_parameters[] = { - { - .osc_frequency = 13000000, - .enable_delay_count = 0x02, - .stable_count = 0x33, - .active_delay_count = 0x05, - .xtal_freq_count = 0x7F - }, - { - .osc_frequency = 19200000, - .enable_delay_count = 0x03, - .stable_count = 0x4B, - .active_delay_count = 0x06, - .xtal_freq_count = 0xBB}, - { - .osc_frequency = 12000000, - .enable_delay_count = 0x02, - .stable_count = 0x2F, - .active_delay_count = 0x04, - .xtal_freq_count = 0x76 - }, - { - .osc_frequency = 26000000, - .enable_delay_count = 0x04, - .stable_count = 0x66, - .active_delay_count = 0x09, - .xtal_freq_count = 0xFE - }, - { - .osc_frequency = 16800000, - .enable_delay_count = 0x03, - .stable_count = 0x41, - .active_delay_count = 0x0A, - .xtal_freq_count = 0xA4 - }, -}; - -static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE); -static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE); -static void __iomem *misc_gp_hidrev_base = IO_ADDRESS(TEGRA_APB_MISC_BASE); - -#define MISC_GP_HIDREV 0x804 - -/* - * Some peripheral clocks share an enable bit, so refcount the enable bits - * in registers CLK_ENABLE_L, ... CLK_ENABLE_W - */ -static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32]; - -#define clk_writel(value, reg) \ - __raw_writel(value, (u32)reg_clk_base + (reg)) -#define clk_readl(reg) \ - __raw_readl((u32)reg_clk_base + (reg)) -#define pmc_writel(value, reg) \ - __raw_writel(value, (u32)reg_pmc_base + (reg)) -#define pmc_readl(reg) \ - __raw_readl((u32)reg_pmc_base + (reg)) -#define chipid_readl() \ - __raw_readl((u32)misc_gp_hidrev_base + MISC_GP_HIDREV) - -#define clk_writel_delay(value, reg) \ - do { \ - __raw_writel((value), (u32)reg_clk_base + (reg)); \ - udelay(2); \ - } while (0) - - -static inline int clk_set_div(struct clk *c, u32 n) -{ - return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n); -} - -static inline u32 periph_clk_to_reg( - struct clk *c, u32 reg_L, u32 reg_V, int offs) -{ - u32 reg = c->u.periph.clk_num / 32; - BUG_ON(reg >= RST_DEVICES_NUM); - if (reg < 3) - reg = reg_L + (reg * offs); - else - reg = reg_V + ((reg - 3) * offs); - return reg; -} - -static unsigned long clk_measure_input_freq(void) -{ - u32 clock_autodetect; - clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET); - do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY); - clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS); - if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) { - return 12000000; - } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) { - return 13000000; - } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) { - return 19200000; - } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) { - return 26000000; - } else if (clock_autodetect >= 1025 - 3 && clock_autodetect <= 1025 + 3) { - return 16800000; - } else if (clock_autodetect >= 2344 - 3 && clock_autodetect <= 2344 + 3) { - return 38400000; - } else if (clock_autodetect >= 2928 - 3 && clock_autodetect <= 2928 + 3) { - return 48000000; - } else { - pr_err("%s: Unexpected clock autodetect value %d", __func__, - clock_autodetect); - BUG(); - return 0; - } -} - -static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate, - u32 flags, u32 round_mode) -{ - s64 divider_u71 = parent_rate; - if (!rate) - return -EINVAL; - - if (!(flags & DIV_U71_INT)) - divider_u71 *= 2; - if (round_mode == ROUND_DIVIDER_UP) - divider_u71 += rate - 1; - do_div(divider_u71, rate); - if (flags & DIV_U71_INT) - divider_u71 *= 2; - - if (divider_u71 - 2 < 0) - return 0; - - if (divider_u71 - 2 > 255) - return -EINVAL; - - return divider_u71 - 2; -} - -static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) -{ - s64 divider_u16; - - divider_u16 = parent_rate; - if (!rate) - return -EINVAL; - divider_u16 += rate - 1; - do_div(divider_u16, rate); - - if (divider_u16 - 1 < 0) - return 0; - - if (divider_u16 - 1 > 0xFFFF) - return -EINVAL; - - return divider_u16 - 1; -} - -/* clk_m functions */ -static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) -{ - u32 osc_ctrl = clk_readl(OSC_CTRL); - u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; - u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK; - - c->rate = clk_measure_input_freq(); - switch (c->rate) { - case 12000000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); - break; - case 13000000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); - break; - case 19200000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); - break; - case 26000000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); - break; - case 16800000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_16_8MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); - break; - case 38400000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_38_4MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2); - break; - case 48000000: - auto_clock_control |= OSC_CTRL_OSC_FREQ_48MHZ; - BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4); - break; - default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); - BUG(); - } - clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; -} - -static void tegra30_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra30_clk_m_autodetect_rate(c); -} - -static int tegra30_clk_m_enable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} - -static void tegra30_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - WARN(1, "Attempting to disable main SoC clock\n"); -} - -static struct clk_ops tegra_clk_m_ops = { - .init = tegra30_clk_m_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, -}; - -static struct clk_ops tegra_clk_m_div_ops = { - .enable = tegra30_clk_m_enable, -}; - -/* PLL reference divider functions */ -static void tegra30_pll_ref_init(struct clk *c) -{ - u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK; - pr_debug("%s on clock %s\n", __func__, c->name); - - switch (pll_ref_div) { - case OSC_CTRL_PLL_REF_DIV_1: - c->div = 1; - break; - case OSC_CTRL_PLL_REF_DIV_2: - c->div = 2; - break; - case OSC_CTRL_PLL_REF_DIV_4: - c->div = 4; - break; - default: - pr_err("%s: Invalid pll ref divider %d", __func__, pll_ref_div); - BUG(); - } - c->mul = 1; - c->state = ON; -} - -static struct clk_ops tegra_pll_ref_ops = { - .init = tegra30_pll_ref_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, -}; - -/* super clock functions */ -/* "super clocks" on tegra30 have two-stage muxes, fractional 7.1 divider and - * clock skipping super divider. We will ignore the clock skipping divider, - * since we can't lower the voltage when using the clock skip, but we can if - * we lower the PLL frequency. We will use 7.1 divider for CPU super-clock - * only when its parent is a fixed rate PLL, since we can't change PLL rate - * in this case. - */ -static void tegra30_super_clk_init(struct clk *c) -{ - u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; - val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; - BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && - ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - if (c->flags & DIV_2) - source |= val & SUPER_LP_DIV2_BYPASS; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; - - if (c->flags & DIV_U71) { - /* Init safe 7.1 divider value (does not affect PLLX path) */ - clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT, - c->reg + SUPER_CLK_DIVIDER); - c->mul = 2; - c->div = 2; - if (!(c->parent->flags & PLLX)) - c->div += SUPER_CLOCK_DIV_U71_MIN; - } else - clk_writel(0, c->reg + SUPER_CLK_DIVIDER); -} - -static int tegra30_super_clk_enable(struct clk *c) -{ - return 0; -} - -static void tegra30_super_clk_disable(struct clk *c) -{ - /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and - geared up g-mode super clock - mode switch may request to disable - either of them; accept request with no affect on h/w */ -} - -static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) -{ - u32 val; - const struct clk_mux_sel *sel; - int shift; - - val = clk_readl(c->reg + SUPER_CLK_MUX); - BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && - ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - /* For LP mode super-clock switch between PLLX direct - and divided-by-2 outputs is allowed only when other - than PLLX clock source is current parent */ - if ((c->flags & DIV_2) && (p->flags & PLLX) && - ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) { - if (c->parent->flags & PLLX) - return -EINVAL; - val ^= SUPER_LP_DIV2_BYPASS; - clk_writel_delay(val, c->reg); - } - val &= ~(SUPER_SOURCE_MASK << shift); - val |= (sel->value & SUPER_SOURCE_MASK) << shift; - - /* 7.1 divider for CPU super-clock does not affect - PLLX path */ - if (c->flags & DIV_U71) { - u32 div = 0; - if (!(p->flags & PLLX)) { - div = clk_readl(c->reg + - SUPER_CLK_DIVIDER); - div &= SUPER_CLOCK_DIV_U71_MASK; - div >>= SUPER_CLOCK_DIV_U71_SHIFT; - } - c->div = div + 2; - c->mul = 2; - } - - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; -} - -/* - * Do not use super clocks "skippers", since dividing using a clock skipper - * does not allow the voltage to be scaled down. Instead adjust the rate of - * the parent clock. This requires that the parent of a super clock have no - * other children, otherwise the rate will change underneath the other - * children. Special case: if fixed rate PLL is CPU super clock parent the - * rate of this PLL can't be changed, and it has many other children. In - * this case use 7.1 fractional divider to adjust the super clock rate. - */ -static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) -{ - if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) { - int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate, - rate, c->flags, ROUND_DIVIDER_DOWN); - div = max(div, SUPER_CLOCK_DIV_U71_MIN); - - clk_writel(div << SUPER_CLOCK_DIV_U71_SHIFT, - c->reg + SUPER_CLK_DIVIDER); - c->div = div + 2; - c->mul = 2; - return 0; - } - return clk_set_rate(c->parent, rate); -} - -static struct clk_ops tegra_super_ops = { - .init = tegra30_super_clk_init, - .enable = tegra30_super_clk_enable, - .disable = tegra30_super_clk_disable, - .set_parent = tegra30_super_clk_set_parent, - .set_rate = tegra30_super_clk_set_rate, -}; - -static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) -{ - /* The input value 'rate' is the clock rate of the CPU complex. */ - c->rate = (rate * c->mul) / c->div; - return 0; -} - -static struct clk_ops tegra30_twd_ops = { - .set_rate = tegra30_twd_clk_set_rate, -}; - -/* Blink output functions */ - -static void tegra30_blink_clk_init(struct clk *c) -{ - u32 val; - - val = pmc_readl(PMC_CTRL); - c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; - c->mul = 1; - val = pmc_readl(c->reg); - - if (val & PMC_BLINK_TIMER_ENB) { - unsigned int on_off; - - on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & - PMC_BLINK_TIMER_DATA_ON_MASK; - val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; - val &= PMC_BLINK_TIMER_DATA_OFF_MASK; - on_off += val; - /* each tick in the blink timer is 4 32KHz clocks */ - c->div = on_off * 4; - } else { - c->div = 1; - } -} - -static int tegra30_blink_clk_enable(struct clk *c) -{ - u32 val; - - val = pmc_readl(PMC_DPD_PADS_ORIDE); - pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); - - val = pmc_readl(PMC_CTRL); - pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL); - - return 0; -} - -static void tegra30_blink_clk_disable(struct clk *c) -{ - u32 val; - - val = pmc_readl(PMC_CTRL); - pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL); - - val = pmc_readl(PMC_DPD_PADS_ORIDE); - pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); -} - -static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(c->parent); - if (rate >= parent_rate) { - c->div = 1; - pmc_writel(0, c->reg); - } else { - unsigned int on_off; - u32 val; - - on_off = DIV_ROUND_UP(parent_rate / 8, rate); - c->div = on_off * 8; - - val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) << - PMC_BLINK_TIMER_DATA_ON_SHIFT; - on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK; - on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT; - val |= on_off; - val |= PMC_BLINK_TIMER_ENB; - pmc_writel(val, c->reg); - } - - return 0; -} - -static struct clk_ops tegra_blink_clk_ops = { - .init = &tegra30_blink_clk_init, - .enable = &tegra30_blink_clk_enable, - .disable = &tegra30_blink_clk_disable, - .set_rate = &tegra30_blink_clk_set_rate, -}; - -/* PLL Functions */ -static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, - u32 lock_bit) -{ -#if USE_PLL_LOCK_BITS - int i; - for (i = 0; i < c->u.pll.lock_delay; i++) { - if (clk_readl(lock_reg) & lock_bit) { - udelay(PLL_POST_LOCK_DELAY); - return 0; - } - udelay(2); /* timeout = 2 * lock time */ - } - pr_err("Timed out waiting for lock bit on pll %s", c->name); - return -1; -#endif - udelay(c->u.pll.lock_delay); - - return 0; -} - - -static void tegra30_utmi_param_configure(struct clk *c) -{ - u32 reg; - int i; - unsigned long main_rate = - clk_get_rate(c->parent->parent); - - for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { - if (main_rate == utmi_parameters[i].osc_frequency) - break; - } - - if (i >= ARRAY_SIZE(utmi_parameters)) { - pr_err("%s: Unexpected main rate %lu\n", __func__, main_rate); - return; - } - - reg = clk_readl(UTMIP_PLL_CFG2); - - /* Program UTMIP PLL stable and active counts */ - /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */ - reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); - reg |= UTMIP_PLL_CFG2_STABLE_COUNT( - utmi_parameters[i].stable_count); - - reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); - - reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT( - utmi_parameters[i].active_delay_count); - - /* Remove power downs from UTMIP PLL control bits */ - reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; - reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; - reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN; - - clk_writel(reg, UTMIP_PLL_CFG2); - - /* Program UTMIP PLL delay and oscillator frequency counts */ - reg = clk_readl(UTMIP_PLL_CFG1); - reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); - - reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT( - utmi_parameters[i].enable_delay_count); - - reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); - reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT( - utmi_parameters[i].xtal_freq_count); - - /* Remove power downs from UTMIP PLL control bits */ - reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; - reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN; - reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; - - clk_writel(reg, UTMIP_PLL_CFG1); -} - -static void tegra30_pll_clk_init(struct clk *c) -{ - u32 val = clk_readl(c->reg + PLL_BASE); - - c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; - - if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - const struct clk_pll_freq_table *sel; - unsigned long input_rate = clk_get_rate(c->parent); - for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { - if (sel->input_rate == input_rate && - sel->output_rate == c->u.pll.fixed_rate) { - c->mul = sel->n; - c->div = sel->m * sel->p; - return; - } - } - pr_err("Clock %s has unknown fixed frequency\n", c->name); - BUG(); - } else if (val & PLL_BASE_BYPASS) { - c->mul = 1; - c->div = 1; - } else { - c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; - c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; - if (c->flags & PLLU) - c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; - else - c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> - PLL_BASE_DIVP_SHIFT)); - if (c->flags & PLL_FIXED) { - unsigned long rate = clk_get_rate_locked(c); - BUG_ON(rate != c->u.pll.fixed_rate); - } - } - - if (c->flags & PLLU) - tegra30_utmi_param_configure(c); -} - -static int tegra30_pll_clk_enable(struct clk *c) -{ - u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); - -#if USE_PLL_LOCK_BITS - val = clk_readl(c->reg + PLL_MISC(c)); - val |= PLL_MISC_LOCK_ENABLE(c); - clk_writel(val, c->reg + PLL_MISC(c)); -#endif - val = clk_readl(c->reg + PLL_BASE); - val &= ~PLL_BASE_BYPASS; - val |= PLL_BASE_ENABLE; - clk_writel(val, c->reg + PLL_BASE); - - if (c->flags & PLLM) { - val = pmc_readl(PMC_PLLP_WB0_OVERRIDE); - val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE; - pmc_writel(val, PMC_PLLP_WB0_OVERRIDE); - } - - tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_BASE, PLL_BASE_LOCK); - - return 0; -} - -static void tegra30_pll_clk_disable(struct clk *c) -{ - u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); - - val = clk_readl(c->reg); - val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); - clk_writel(val, c->reg); - - if (c->flags & PLLM) { - val = pmc_readl(PMC_PLLP_WB0_OVERRIDE); - val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE; - pmc_writel(val, PMC_PLLP_WB0_OVERRIDE); - } -} - -static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) -{ - u32 val, p_div, old_base; - unsigned long input_rate; - const struct clk_pll_freq_table *sel; - struct clk_pll_freq_table cfg; - - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - - if (c->flags & PLL_FIXED) { - int ret = 0; - if (rate != c->u.pll.fixed_rate) { - pr_err("%s: Can not change %s fixed rate %lu to %lu\n", - __func__, c->name, c->u.pll.fixed_rate, rate); - ret = -EINVAL; - } - return ret; - } - - if (c->flags & PLLM) { - if (rate != clk_get_rate_locked(c)) { - pr_err("%s: Can not change memory %s rate in flight\n", - __func__, c->name); - return -EINVAL; - } - return 0; - } - - p_div = 0; - input_rate = clk_get_rate(c->parent); - - /* Check if the target rate is tabulated */ - for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { - if (sel->input_rate == input_rate && sel->output_rate == rate) { - if (c->flags & PLLU) { - BUG_ON(sel->p < 1 || sel->p > 2); - if (sel->p == 1) - p_div = PLLU_BASE_POST_DIV; - } else { - BUG_ON(sel->p < 1); - for (val = sel->p; val > 1; val >>= 1) - p_div++; - p_div <<= PLL_BASE_DIVP_SHIFT; - } - break; - } - } - - /* Configure out-of-table rate */ - if (sel->input_rate == 0) { - unsigned long cfreq; - BUG_ON(c->flags & PLLU); - sel = &cfg; - - switch (input_rate) { - case 12000000: - case 26000000: - cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000; - break; - case 13000000: - cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000; - break; - case 16800000: - case 19200000: - cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000; - break; - default: - pr_err("%s: Unexpected reference rate %lu\n", - __func__, input_rate); - BUG(); - } - - /* Raise VCO to guarantee 0.5% accuracy */ - for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq; - cfg.output_rate <<= 1) - p_div++; - - cfg.p = 0x1 << p_div; - cfg.m = input_rate / cfreq; - cfg.n = cfg.output_rate / cfreq; - cfg.cpcon = OUT_OF_TABLE_CPCON; - - if ((cfg.m > (PLL_BASE_DIVM_MASK >> PLL_BASE_DIVM_SHIFT)) || - (cfg.n > (PLL_BASE_DIVN_MASK >> PLL_BASE_DIVN_SHIFT)) || - (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) || - (cfg.output_rate > c->u.pll.vco_max)) { - pr_err("%s: Failed to set %s out-of-table rate %lu\n", - __func__, c->name, rate); - return -EINVAL; - } - p_div <<= PLL_BASE_DIVP_SHIFT; - } - - c->mul = sel->n; - c->div = sel->m * sel->p; - - old_base = val = clk_readl(c->reg + PLL_BASE); - val &= ~(PLL_BASE_DIVM_MASK | PLL_BASE_DIVN_MASK | - ((c->flags & PLLU) ? PLLU_BASE_POST_DIV : PLL_BASE_DIVP_MASK)); - val |= (sel->m << PLL_BASE_DIVM_SHIFT) | - (sel->n << PLL_BASE_DIVN_SHIFT) | p_div; - if (val == old_base) - return 0; - - if (c->state == ON) { - tegra30_pll_clk_disable(c); - val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); - } - clk_writel(val, c->reg + PLL_BASE); - - if (c->flags & PLL_HAS_CPCON) { - val = clk_readl(c->reg + PLL_MISC(c)); - val &= ~PLL_MISC_CPCON_MASK; - val |= sel->cpcon << PLL_MISC_CPCON_SHIFT; - if (c->flags & (PLLU | PLLD)) { - val &= ~PLL_MISC_LFCON_MASK; - if (sel->n >= PLLDU_LFCON_SET_DIVN) - val |= 0x1 << PLL_MISC_LFCON_SHIFT; - } else if (c->flags & (PLLX | PLLM)) { - val &= ~(0x1 << PLL_MISC_DCCON_SHIFT); - if (rate >= (c->u.pll.vco_max >> 1)) - val |= 0x1 << PLL_MISC_DCCON_SHIFT; - } - clk_writel(val, c->reg + PLL_MISC(c)); - } - - if (c->state == ON) - tegra30_pll_clk_enable(c); - - return 0; -} - -static struct clk_ops tegra_pll_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, - .set_rate = tegra30_pll_clk_set_rate, -}; - -static int -tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - u32 val, mask, reg; - - switch (p) { - case TEGRA_CLK_PLLD_CSI_OUT_ENB: - mask = PLLD_BASE_CSI_CLKENABLE; - reg = c->reg + PLL_BASE; - break; - case TEGRA_CLK_PLLD_DSI_OUT_ENB: - mask = PLLD_MISC_DSI_CLKENABLE; - reg = c->reg + PLL_MISC(c); - break; - case TEGRA_CLK_PLLD_MIPI_MUX_SEL: - if (!(c->flags & PLL_ALT_MISC_REG)) { - mask = PLLD_BASE_DSIB_MUX_MASK; - reg = c->reg + PLL_BASE; - break; - } - /* fall through - error since PLLD2 does not have MUX_SEL control */ - default: - return -EINVAL; - } - - val = clk_readl(reg); - if (setting) - val |= mask; - else - val &= ~mask; - clk_writel(val, reg); - return 0; -} - -static struct clk_ops tegra_plld_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, - .set_rate = tegra30_pll_clk_set_rate, - .clk_cfg_ex = tegra30_plld_clk_cfg_ex, -}; - -static void tegra30_plle_clk_init(struct clk *c) -{ - u32 val; - - val = clk_readl(PLLE_AUX); - c->parent = (val & PLLE_AUX_PLLP_SEL) ? - tegra_get_clock_by_name("pll_p") : - tegra_get_clock_by_name("pll_ref"); - - val = clk_readl(c->reg + PLL_BASE); - c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF; - c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; - c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; - c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; -} - -static void tegra30_plle_clk_disable(struct clk *c) -{ - u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); - - val = clk_readl(c->reg + PLL_BASE); - val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); - clk_writel(val, c->reg + PLL_BASE); -} - -static void tegra30_plle_training(struct clk *c) -{ - u32 val; - - /* PLLE is already disabled, and setup cleared; - * create falling edge on PLLE IDDQ input */ - val = pmc_readl(PMC_SATA_PWRGT); - val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE; - pmc_writel(val, PMC_SATA_PWRGT); - - val = pmc_readl(PMC_SATA_PWRGT); - val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL; - pmc_writel(val, PMC_SATA_PWRGT); - - val = pmc_readl(PMC_SATA_PWRGT); - val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE; - pmc_writel(val, PMC_SATA_PWRGT); - - do { - val = clk_readl(c->reg + PLL_MISC(c)); - } while (!(val & PLLE_MISC_READY)); -} - -static int tegra30_plle_configure(struct clk *c, bool force_training) -{ - u32 val; - const struct clk_pll_freq_table *sel; - unsigned long rate = c->u.pll.fixed_rate; - unsigned long input_rate = clk_get_rate(c->parent); - - for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { - if (sel->input_rate == input_rate && sel->output_rate == rate) - break; - } - - if (sel->input_rate == 0) - return -ENOSYS; - - /* disable PLLE, clear setup fiels */ - tegra30_plle_clk_disable(c); - - val = clk_readl(c->reg + PLL_MISC(c)); - val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK); - clk_writel(val, c->reg + PLL_MISC(c)); - - /* training */ - val = clk_readl(c->reg + PLL_MISC(c)); - if (force_training || (!(val & PLLE_MISC_READY))) - tegra30_plle_training(c); - - /* configure dividers, setup, disable SS */ - val = clk_readl(c->reg + PLL_BASE); - val &= ~PLLE_BASE_DIV_MASK; - val |= PLLE_BASE_DIV(sel->m, sel->n, sel->p, sel->cpcon); - clk_writel(val, c->reg + PLL_BASE); - c->mul = sel->n; - c->div = sel->m * sel->p; - - val = clk_readl(c->reg + PLL_MISC(c)); - val |= PLLE_MISC_SETUP_VALUE; - val |= PLLE_MISC_LOCK_ENABLE; - clk_writel(val, c->reg + PLL_MISC(c)); - - val = clk_readl(PLLE_SS_CTRL); - val |= PLLE_SS_DISABLE; - clk_writel(val, PLLE_SS_CTRL); - - /* enable and lock PLLE*/ - val = clk_readl(c->reg + PLL_BASE); - val |= (PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); - clk_writel(val, c->reg + PLL_BASE); - - tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_MISC(c), PLLE_MISC_LOCK); - - return 0; -} - -static int tegra30_plle_clk_enable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - return tegra30_plle_configure(c, !c->set); -} - -static struct clk_ops tegra_plle_ops = { - .init = tegra30_plle_clk_init, - .enable = tegra30_plle_clk_enable, - .disable = tegra30_plle_clk_disable, -}; - -/* Clock divider ops */ -static void tegra30_pll_div_clk_init(struct clk *c) -{ - if (c->flags & DIV_U71) { - u32 divu71; - u32 val = clk_readl(c->reg); - val >>= c->reg_shift; - c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; - if (!(val & PLL_OUT_RESET_DISABLE)) - c->state = OFF; - - divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; - c->div = (divu71 + 2); - c->mul = 2; - } else if (c->flags & DIV_2) { - c->state = ON; - if (c->flags & (PLLD | PLLX)) { - c->div = 2; - c->mul = 1; - } else - BUG(); - } else { - c->state = ON; - c->div = 1; - c->mul = 1; - } -} - -static int tegra30_pll_div_clk_enable(struct clk *c) -{ - u32 val; - u32 new_val; - - pr_debug("%s: %s\n", __func__, c->name); - if (c->flags & DIV_U71) { - val = clk_readl(c->reg); - new_val = val >> c->reg_shift; - new_val &= 0xFFFF; - - new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE; - - val &= ~(0xFFFF << c->reg_shift); - val |= new_val << c->reg_shift; - clk_writel_delay(val, c->reg); - return 0; - } else if (c->flags & DIV_2) { - return 0; - } - return -EINVAL; -} - -static void tegra30_pll_div_clk_disable(struct clk *c) -{ - u32 val; - u32 new_val; - - pr_debug("%s: %s\n", __func__, c->name); - if (c->flags & DIV_U71) { - val = clk_readl(c->reg); - new_val = val >> c->reg_shift; - new_val &= 0xFFFF; - - new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE); - - val &= ~(0xFFFF << c->reg_shift); - val |= new_val << c->reg_shift; - clk_writel_delay(val, c->reg); - } -} - -static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) -{ - u32 val; - u32 new_val; - int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); - - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - if (c->flags & DIV_U71) { - divider_u71 = clk_div71_get_divider( - parent_rate, rate, c->flags, ROUND_DIVIDER_UP); - if (divider_u71 >= 0) { - val = clk_readl(c->reg); - new_val = val >> c->reg_shift; - new_val &= 0xFFFF; - if (c->flags & DIV_U71_FIXED) - new_val |= PLL_OUT_OVERRIDE; - new_val &= ~PLL_OUT_RATIO_MASK; - new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT; - - val &= ~(0xFFFF << c->reg_shift); - val |= new_val << c->reg_shift; - clk_writel_delay(val, c->reg); - c->div = divider_u71 + 2; - c->mul = 2; - return 0; - } - } else if (c->flags & DIV_2) - return clk_set_rate(c->parent, rate * 2); - - return -EINVAL; -} - -static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) -{ - int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - - if (c->flags & DIV_U71) { - divider = clk_div71_get_divider( - parent_rate, rate, c->flags, ROUND_DIVIDER_UP); - if (divider < 0) - return divider; - return DIV_ROUND_UP(parent_rate * 2, divider + 2); - } else if (c->flags & DIV_2) - /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */ - return rate; - - return -EINVAL; -} - -static struct clk_ops tegra_pll_div_ops = { - .init = tegra30_pll_div_clk_init, - .enable = tegra30_pll_div_clk_enable, - .disable = tegra30_pll_div_clk_disable, - .set_rate = tegra30_pll_div_clk_set_rate, - .round_rate = tegra30_pll_div_clk_round_rate, -}; - -/* Periph clk ops */ -static inline u32 periph_clk_source_mask(struct clk *c) -{ - if (c->flags & MUX8) - return 7 << 29; - else if (c->flags & MUX_PWM) - return 3 << 28; - else if (c->flags & MUX_CLK_OUT) - return 3 << (c->u.periph.clk_num + 4); - else if (c->flags & PLLD) - return PLLD_BASE_DSIB_MUX_MASK; - else - return 3 << 30; -} - -static inline u32 periph_clk_source_shift(struct clk *c) -{ - if (c->flags & MUX8) - return 29; - else if (c->flags & MUX_PWM) - return 28; - else if (c->flags & MUX_CLK_OUT) - return c->u.periph.clk_num + 4; - else if (c->flags & PLLD) - return PLLD_BASE_DSIB_MUX_SHIFT; - else - return 30; -} - -static void tegra30_periph_clk_init(struct clk *c) -{ - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - if ((c->flags & DIV_U71_UART) && - (!(val & PERIPH_CLK_UART_DIV_ENB))) { - divu71 = 0; - } - if (c->flags & DIV_U71_IDLE) { - val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - clk_writel(val, c->reg); - } - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } - - c->state = ON; - if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) - c->state = OFF; - if (!(c->flags & PERIPH_NO_RESET)) - if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c)) - c->state = OFF; -} - -static int tegra30_periph_clk_enable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; - if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) - return 0; - - clk_writel_delay(PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_SET_REG(c)); - if (!(c->flags & PERIPH_NO_RESET) && - !(c->flags & PERIPH_MANUAL_RESET)) { - if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & - PERIPH_CLK_TO_BIT(c)) { - udelay(5); /* reset propagation delay */ - clk_writel(PERIPH_CLK_TO_BIT(c), - PERIPH_CLK_TO_RST_CLR_REG(c)); - } - } - return 0; -} - -static void tegra30_periph_clk_disable(struct clk *c) -{ - unsigned long val; - pr_debug("%s on clock %s\n", __func__, c->name); - - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; - - if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) { - /* If peripheral is in the APB bus then read the APB bus to - * flush the write operation in apb bus. This will avoid the - * peripheral access after disabling clock*/ - if (c->flags & PERIPH_ON_APB) - val = chipid_readl(); - - clk_writel_delay( - PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_CLR_REG(c)); - } -} - -static void tegra30_periph_clk_reset(struct clk *c, bool assert) -{ - unsigned long val; - pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); - - if (!(c->flags & PERIPH_NO_RESET)) { - if (assert) { - /* If peripheral is in the APB bus then read the APB - * bus to flush the write operation in apb bus. This - * will avoid the peripheral access after disabling - * clock */ - if (c->flags & PERIPH_ON_APB) - val = chipid_readl(); - - clk_writel(PERIPH_CLK_TO_BIT(c), - PERIPH_CLK_TO_RST_SET_REG(c)); - } else - clk_writel(PERIPH_CLK_TO_BIT(c), - PERIPH_CLK_TO_RST_CLR_REG(c)); - } -} - -static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p) -{ - u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - if (!(c->flags & MUX)) - return (p == c->parent) ? 0 : (-EINVAL); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); - - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - - return -EINVAL; -} - -static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) -{ - u32 val; - int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - - if (c->flags & DIV_U71) { - divider = clk_div71_get_divider( - parent_rate, rate, c->flags, ROUND_DIVIDER_UP); - if (divider >= 0) { - val = clk_readl(c->reg); - val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK; - val |= divider; - if (c->flags & DIV_U71_UART) { - if (divider) - val |= PERIPH_CLK_UART_DIV_ENB; - else - val &= ~PERIPH_CLK_UART_DIV_ENB; - } - clk_writel_delay(val, c->reg); - c->div = divider + 2; - c->mul = 2; - return 0; - } - } else if (c->flags & DIV_U16) { - divider = clk_div16_get_divider(parent_rate, rate); - if (divider >= 0) { - val = clk_readl(c->reg); - val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK; - val |= divider; - clk_writel_delay(val, c->reg); - c->div = divider + 1; - c->mul = 1; - return 0; - } - } else if (parent_rate <= rate) { - c->div = 1; - c->mul = 1; - return 0; - } - return -EINVAL; -} - -static long tegra30_periph_clk_round_rate(struct clk *c, - unsigned long rate) -{ - int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - - if (c->flags & DIV_U71) { - divider = clk_div71_get_divider( - parent_rate, rate, c->flags, ROUND_DIVIDER_UP); - if (divider < 0) - return divider; - - return DIV_ROUND_UP(parent_rate * 2, divider + 2); - } else if (c->flags & DIV_U16) { - divider = clk_div16_get_divider(parent_rate, rate); - if (divider < 0) - return divider; - return DIV_ROUND_UP(parent_rate, divider + 1); - } - return -EINVAL; -} - -static struct clk_ops tegra_periph_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, -}; - - -/* Periph extended clock configuration ops */ -static int -tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - if (p == TEGRA_CLK_VI_INP_SEL) { - u32 val = clk_readl(c->reg); - val &= ~PERIPH_CLK_VI_SEL_EX_MASK; - val |= (setting << PERIPH_CLK_VI_SEL_EX_SHIFT) & - PERIPH_CLK_VI_SEL_EX_MASK; - clk_writel(val, c->reg); - return 0; - } - return -EINVAL; -} - -static struct clk_ops tegra_vi_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_vi_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) { - u32 val = clk_readl(c->reg); - if (setting) - val |= PERIPH_CLK_NAND_DIV_EX_ENB; - else - val &= ~PERIPH_CLK_NAND_DIV_EX_ENB; - clk_writel(val, c->reg); - return 0; - } - return -EINVAL; -} - -static struct clk_ops tegra_nand_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_nand_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - - -static int -tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - if (p == TEGRA_CLK_DTV_INVERT) { - u32 val = clk_readl(c->reg); - if (setting) - val |= PERIPH_CLK_DTV_POLARITY_INV; - else - val &= ~PERIPH_CLK_DTV_POLARITY_INV; - clk_writel(val, c->reg); - return 0; - } - return -EINVAL; -} - -static struct clk_ops tegra_dtv_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) -{ - const struct clk_mux_sel *sel; - struct clk *d = tegra_get_clock_by_name("pll_d"); - - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); - - /* The DSIB parent selection bit is in PLLD base - register - can not do direct r-m-w, must be - protected by PLLD lock */ - tegra_clk_cfg_ex( - d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - - return -EINVAL; -} - -static struct clk_ops tegra_dsib_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_dsib_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, -}; - -/* pciex clock support only reset function */ -static struct clk_ops tegra_pciex_clk_ops = { - .reset = tegra30_periph_clk_reset, -}; - -/* Output clock ops */ - -static DEFINE_SPINLOCK(clk_out_lock); - -static void tegra30_clk_out_init(struct clk *c) -{ - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; - u32 val = pmc_readl(c->reg); - - c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF; - c->mul = 1; - c->div = 1; - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - c->parent = mux->input; -} - -static int tegra30_clk_out_enable(struct clk *c) -{ - u32 val; - unsigned long flags; - - pr_debug("%s on clock %s\n", __func__, c->name); - - spin_lock_irqsave(&clk_out_lock, flags); - val = pmc_readl(c->reg); - val |= (0x1 << c->u.periph.clk_num); - pmc_writel(val, c->reg); - spin_unlock_irqrestore(&clk_out_lock, flags); - - return 0; -} - -static void tegra30_clk_out_disable(struct clk *c) -{ - u32 val; - unsigned long flags; - - pr_debug("%s on clock %s\n", __func__, c->name); - - spin_lock_irqsave(&clk_out_lock, flags); - val = pmc_readl(c->reg); - val &= ~(0x1 << c->u.periph.clk_num); - pmc_writel(val, c->reg); - spin_unlock_irqrestore(&clk_out_lock, flags); -} - -static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) -{ - u32 val; - unsigned long flags; - const struct clk_mux_sel *sel; - - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); - - spin_lock_irqsave(&clk_out_lock, flags); - val = pmc_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); - pmc_writel(val, c->reg); - spin_unlock_irqrestore(&clk_out_lock, flags); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; -} - -static struct clk_ops tegra_clk_out_ops = { - .init = &tegra30_clk_out_init, - .enable = &tegra30_clk_out_enable, - .disable = &tegra30_clk_out_disable, - .set_parent = &tegra30_clk_out_set_parent, -}; - - -/* Clock doubler ops */ -static void tegra30_clk_double_init(struct clk *c) -{ - u32 val = clk_readl(c->reg); - c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; - c->div = 1; - c->state = ON; - if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) - c->state = OFF; -}; - -static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) -{ - u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); - if (rate == parent_rate) { - val = clk_readl(c->reg) | (0x1 << c->reg_shift); - clk_writel(val, c->reg); - c->mul = 1; - c->div = 1; - return 0; - } else if (rate == 2 * parent_rate) { - val = clk_readl(c->reg) & (~(0x1 << c->reg_shift)); - clk_writel(val, c->reg); - c->mul = 2; - c->div = 1; - return 0; - } - return -EINVAL; -} - -static struct clk_ops tegra_clk_double_ops = { - .init = &tegra30_clk_double_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_rate = &tegra30_clk_double_set_rate, -}; - -/* Audio sync clock ops */ -static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) -{ - c->rate = rate; - return 0; -} - -static struct clk_ops tegra_sync_source_ops = { - .set_rate = &tegra30_sync_source_set_rate, -}; - -static void tegra30_audio_sync_clk_init(struct clk *c) -{ - int source; - const struct clk_mux_sel *sel; - u32 val = clk_readl(c->reg); - c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON; - source = val & AUDIO_SYNC_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; -} - -static int tegra30_audio_sync_clk_enable(struct clk *c) -{ - u32 val = clk_readl(c->reg); - clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg); - return 0; -} - -static void tegra30_audio_sync_clk_disable(struct clk *c) -{ - u32 val = clk_readl(c->reg); - clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg); -} - -static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) -{ - u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~AUDIO_SYNC_SOURCE_MASK; - val |= sel->value; - - if (c->refcnt) - clk_enable(p); - - clk_writel(val, c->reg); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - - return -EINVAL; -} - -static struct clk_ops tegra_audio_sync_clk_ops = { - .init = tegra30_audio_sync_clk_init, - .enable = tegra30_audio_sync_clk_enable, - .disable = tegra30_audio_sync_clk_disable, - .set_parent = tegra30_audio_sync_clk_set_parent, -}; - -/* cml0 (pcie), and cml1 (sata) clock ops */ -static void tegra30_cml_clk_init(struct clk *c) -{ - u32 val = clk_readl(c->reg); - c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF; -} - -static int tegra30_cml_clk_enable(struct clk *c) -{ - u32 val = clk_readl(c->reg); - val |= (0x1 << c->u.periph.clk_num); - clk_writel(val, c->reg); - return 0; -} - -static void tegra30_cml_clk_disable(struct clk *c) -{ - u32 val = clk_readl(c->reg); - val &= ~(0x1 << c->u.periph.clk_num); - clk_writel(val, c->reg); -} - -static struct clk_ops tegra_cml_clk_ops = { - .init = &tegra30_cml_clk_init, - .enable = &tegra30_cml_clk_enable, - .disable = &tegra30_cml_clk_disable, -}; - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 48000000, -}; - -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, -}; - -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, -}; - -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 1040000000, 520, 6, 1, 8}, - { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ - { 19200000, 1040000000, 325, 6, 1, 6}, - { 26000000, 1040000000, 520, 13, 1, 8}, - - { 12000000, 832000000, 416, 6, 1, 8}, - { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ - { 19200000, 832000000, 260, 6, 1, 8}, - { 26000000, 832000000, 416, 13, 1, 8}, - - { 12000000, 624000000, 624, 12, 1, 8}, - { 13000000, 624000000, 624, 13, 1, 8}, - { 16800000, 600000000, 520, 14, 1, 8}, - { 19200000, 624000000, 520, 16, 1, 8}, - { 26000000, 624000000, 624, 26, 1, 8}, - - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - - { 12000000, 520000000, 520, 12, 1, 8}, - { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ - { 19200000, 520000000, 325, 12, 1, 6}, - { 26000000, 520000000, 520, 26, 1, 8}, - - { 12000000, 416000000, 416, 12, 1, 8}, - { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ - { 19200000, 416000000, 260, 12, 1, 6}, - { 26000000, 416000000, 416, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 16800000, 666000000, 555, 14, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 16800000, 216000000, 360, 14, 2, 8}, - { 19200000, 216000000, 360, 16, 2, 8}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 9600000, 564480000, 294, 5, 1, 4}, - { 9600000, 552960000, 288, 5, 1, 4}, - { 9600000, 24000000, 5, 2, 1, 1}, - - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 16800000, 216000000, 180, 14, 1, 4}, - { 19200000, 216000000, 180, 16, 1, 4}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 16800000, 594000000, 495, 14, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 12}, - { 13000000, 480000000, 960, 13, 2, 12}, - { 16800000, 480000000, 400, 7, 2, 5}, - { 19200000, 480000000, 200, 4, 2, 3}, - { 26000000, 480000000, 960, 26, 2, 12}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1.7 GHz */ - { 12000000, 1700000000, 850, 6, 1, 8}, - { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ - { 26000000, 1700000000, 850, 13, 1, 8}, - - /* 1.6 GHz */ - { 12000000, 1600000000, 800, 6, 1, 8}, - { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ - { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ - { 19200000, 1600000000, 500, 6, 1, 8}, - { 26000000, 1600000000, 800, 13, 1, 8}, - - /* 1.5 GHz */ - { 12000000, 1500000000, 750, 6, 1, 8}, - { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ - { 16800000, 1500000000, 625, 7, 1, 8}, - { 19200000, 1500000000, 625, 8, 1, 8}, - { 26000000, 1500000000, 750, 13, 1, 8}, - - /* 1.4 GHz */ - { 12000000, 1400000000, 700, 6, 1, 8}, - { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ - { 16800000, 1400000000, 1000, 12, 1, 8}, - { 19200000, 1400000000, 875, 12, 1, 8}, - { 26000000, 1400000000, 700, 13, 1, 8}, - - /* 1.3 GHz */ - { 12000000, 1300000000, 975, 9, 1, 8}, - { 13000000, 1300000000, 1000, 10, 1, 8}, - { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 26000000, 1300000000, 650, 13, 1, 8}, - - /* 1.2 GHz */ - { 12000000, 1200000000, 1000, 10, 1, 8}, - { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ - { 16800000, 1200000000, 1000, 14, 1, 8}, - { 19200000, 1200000000, 1000, 16, 1, 8}, - { 26000000, 1200000000, 600, 13, 1, 8}, - - /* 1.1 GHz */ - { 12000000, 1100000000, 825, 9, 1, 8}, - { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ - { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ - { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ - { 26000000, 1100000000, 550, 13, 1, 8}, - - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 8}, - { 13000000, 1000000000, 1000, 13, 1, 8}, - { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 8}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; - - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - /* PLLE special case: use cpcon field to store cml divider value */ - { 12000000, 100000000, 150, 1, 18, 11}, - { 216000000, 100000000, 200, 18, 24, 13}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, -}; - -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 0, - }, -}; - -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, - }, -}; - -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, - }, -}; - -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra_clk_double_ops, \ - .reg = 0x49C, \ - .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ - .u.periph = { \ - .clk_num = 113 + (_index), \ - }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ - -/* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} -MUX_EXTERN_OUT(1); -MUX_EXTERN_OUT(2); -MUX_EXTERN_OUT(3); - -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, -}; - -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), -}; - -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} - -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, -}; - -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra_super_ops, - .max_rate = 1700000000, -}; - -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ - }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-dma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra_uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra_uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra_uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra_uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra_uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarta_dbg", "serial8250.0", "uarta", 6, 0x178, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb_dbg", "serial8250.0", "uartb", 7, 0x17c, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc_dbg", "serial8250.0", "uartc", 55, 0x1a0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd_dbg", "serial8250.0", "uartd", 65, 0x1c0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte_dbg", "serial8250.0", "uarte", 66, 0x1c4, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), - CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), - CLK_DUPLICATE("bsev", "nvavp", "bsev"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), - CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), - CLK_DUPLICATE("bsea", "nvavp", "bsea"), - CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), - CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), - CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), - CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), - CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), - CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), - CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), - CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), - CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), - CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), - CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), - CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), - CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), - CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), - CLK_DUPLICATE("twd", "smp_twd", NULL), - CLK_DUPLICATE("vcp", "nvavp", "vcp"), - CLK_DUPLICATE("i2s0", NULL, "i2s0"), - CLK_DUPLICATE("i2s1", NULL, "i2s1"), - CLK_DUPLICATE("i2s2", NULL, "i2s2"), - CLK_DUPLICATE("i2s3", NULL, "i2s3"), - CLK_DUPLICATE("i2s4", NULL, "i2s4"), - CLK_DUPLICATE("dam0", NULL, "dam0"), - CLK_DUPLICATE("dam1", NULL, "dam1"), - CLK_DUPLICATE("dam2", NULL, "dam2"), - CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), -}; - -struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_clk_m, - &tegra_clk_m_div2, - &tegra_clk_m_div4, - &tegra_pll_ref, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_d2, - &tegra_pll_d2_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_x_out0, - &tegra_pll_e, - &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, - &tegra_clk_sclk, - &tegra_clk_blink, - &tegra30_clk_twd, -}; - - -static void tegra30_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra30_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra30_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); - - init_clk_out_mux(); - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - -} |