diff options
Diffstat (limited to 'arch/arm/mach-omap2/clock34xx.h')
| -rw-r--r-- | arch/arm/mach-omap2/clock34xx.h | 2999 |
1 files changed, 15 insertions, 2984 deletions
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index 8fe1bcb23dd..9a2c07eac9a 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -1,2993 +1,24 @@ /* - * OMAP3 clock framework + * OMAP3 clock function prototypes and macros * - * Copyright (C) 2007-2008 Texas Instruments, Inc. - * Copyright (C) 2007-2008 Nokia Corporation - * - * Written by Paul Walmsley - * With many device clock fixes by Kevin Hilman and Jouni Högander - * DPLL bypass clock support added by Roman Tereshonkov - * - */ - -/* - * Virtual clocks are introduced as convenient tools. - * They are sources for other clocks and not supposed - * to be requested from drivers directly. - */ - -#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H -#define __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H - -#include <plat/control.h> - -#include "clock.h" -#include "cm.h" -#include "cm-regbits-34xx.h" -#include "prm.h" -#include "prm-regbits-34xx.h" - -#define OMAP_CM_REGADDR OMAP34XX_CM_REGADDR - -static unsigned long omap3_dpll_recalc(struct clk *clk); -static unsigned long omap3_clkoutx2_recalc(struct clk *clk); -static void omap3_dpll_allow_idle(struct clk *clk); -static void omap3_dpll_deny_idle(struct clk *clk); -static u32 omap3_dpll_autoidle_read(struct clk *clk); -static int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate); -static int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate); -static int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate); - -/* Maximum DPLL multiplier, divider values for OMAP3 */ -#define OMAP3_MAX_DPLL_MULT 2048 -#define OMAP3_MAX_DPLL_DIV 128 - -/* - * DPLL1 supplies clock to the MPU. - * DPLL2 supplies clock to the IVA2. - * DPLL3 supplies CORE domain clocks. - * DPLL4 supplies peripheral clocks. - * DPLL5 supplies other peripheral clocks (USBHOST, USIM). - */ - -/* Forward declarations for DPLL bypass clocks */ -static struct clk dpll1_fck; -static struct clk dpll2_fck; - -/* CM_CLKEN_PLL*.EN* bit values - not all are available for every DPLL */ -#define DPLL_LOW_POWER_STOP 0x1 -#define DPLL_LOW_POWER_BYPASS 0x5 -#define DPLL_LOCKED 0x7 - -/* PRM CLOCKS */ - -/* According to timer32k.c, this is a 32768Hz clock, not a 32000Hz clock. */ -static struct clk omap_32k_fck = { - .name = "omap_32k_fck", - .ops = &clkops_null, - .rate = 32768, - .flags = RATE_FIXED, -}; - -static struct clk secure_32k_fck = { - .name = "secure_32k_fck", - .ops = &clkops_null, - .rate = 32768, - .flags = RATE_FIXED, -}; - -/* Virtual source clocks for osc_sys_ck */ -static struct clk virt_12m_ck = { - .name = "virt_12m_ck", - .ops = &clkops_null, - .rate = 12000000, - .flags = RATE_FIXED, -}; - -static struct clk virt_13m_ck = { - .name = "virt_13m_ck", - .ops = &clkops_null, - .rate = 13000000, - .flags = RATE_FIXED, -}; - -static struct clk virt_16_8m_ck = { - .name = "virt_16_8m_ck", - .ops = &clkops_null, - .rate = 16800000, - .flags = RATE_FIXED, -}; - -static struct clk virt_19_2m_ck = { - .name = "virt_19_2m_ck", - .ops = &clkops_null, - .rate = 19200000, - .flags = RATE_FIXED, -}; - -static struct clk virt_26m_ck = { - .name = "virt_26m_ck", - .ops = &clkops_null, - .rate = 26000000, - .flags = RATE_FIXED, -}; - -static struct clk virt_38_4m_ck = { - .name = "virt_38_4m_ck", - .ops = &clkops_null, - .rate = 38400000, - .flags = RATE_FIXED, -}; - -static const struct clksel_rate osc_sys_12m_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate osc_sys_13m_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate osc_sys_16_8m_rates[] = { - { .div = 1, .val = 5, .flags = RATE_IN_3430ES2 | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate osc_sys_19_2m_rates[] = { - { .div = 1, .val = 2, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate osc_sys_26m_rates[] = { - { .div = 1, .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate osc_sys_38_4m_rates[] = { - { .div = 1, .val = 4, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel osc_sys_clksel[] = { - { .parent = &virt_12m_ck, .rates = osc_sys_12m_rates }, - { .parent = &virt_13m_ck, .rates = osc_sys_13m_rates }, - { .parent = &virt_16_8m_ck, .rates = osc_sys_16_8m_rates }, - { .parent = &virt_19_2m_ck, .rates = osc_sys_19_2m_rates }, - { .parent = &virt_26m_ck, .rates = osc_sys_26m_rates }, - { .parent = &virt_38_4m_ck, .rates = osc_sys_38_4m_rates }, - { .parent = NULL }, -}; - -/* Oscillator clock */ -/* 12, 13, 16.8, 19.2, 26, or 38.4 MHz */ -static struct clk osc_sys_ck = { - .name = "osc_sys_ck", - .ops = &clkops_null, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP3430_PRM_CLKSEL, - .clksel_mask = OMAP3430_SYS_CLKIN_SEL_MASK, - .clksel = osc_sys_clksel, - /* REVISIT: deal with autoextclkmode? */ - .flags = RATE_FIXED, - .recalc = &omap2_clksel_recalc, -}; - -static const struct clksel_rate div2_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 2, .flags = RATE_IN_343X }, - { .div = 0 } -}; - -static const struct clksel sys_clksel[] = { - { .parent = &osc_sys_ck, .rates = div2_rates }, - { .parent = NULL } -}; - -/* Latency: this clock is only enabled after PRM_CLKSETUP.SETUP_TIME */ -/* Feeds DPLLs - divided first by PRM_CLKSRC_CTRL.SYSCLKDIV? */ -static struct clk sys_ck = { - .name = "sys_ck", - .ops = &clkops_null, - .parent = &osc_sys_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP3430_PRM_CLKSRC_CTRL, - .clksel_mask = OMAP_SYSCLKDIV_MASK, - .clksel = sys_clksel, - .recalc = &omap2_clksel_recalc, -}; - -static struct clk sys_altclk = { - .name = "sys_altclk", - .ops = &clkops_null, -}; - -/* Optional external clock input for some McBSPs */ -static struct clk mcbsp_clks = { - .name = "mcbsp_clks", - .ops = &clkops_null, -}; - -/* PRM EXTERNAL CLOCK OUTPUT */ - -static struct clk sys_clkout1 = { - .name = "sys_clkout1", - .ops = &clkops_omap2_dflt, - .parent = &osc_sys_ck, - .enable_reg = OMAP3430_PRM_CLKOUT_CTRL, - .enable_bit = OMAP3430_CLKOUT_EN_SHIFT, - .recalc = &followparent_recalc, -}; - -/* DPLLS */ - -/* CM CLOCKS */ - -static const struct clksel_rate div16_dpll_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 2, .flags = RATE_IN_343X }, - { .div = 3, .val = 3, .flags = RATE_IN_343X }, - { .div = 4, .val = 4, .flags = RATE_IN_343X }, - { .div = 5, .val = 5, .flags = RATE_IN_343X }, - { .div = 6, .val = 6, .flags = RATE_IN_343X }, - { .div = 7, .val = 7, .flags = RATE_IN_343X }, - { .div = 8, .val = 8, .flags = RATE_IN_343X }, - { .div = 9, .val = 9, .flags = RATE_IN_343X }, - { .div = 10, .val = 10, .flags = RATE_IN_343X }, - { .div = 11, .val = 11, .flags = RATE_IN_343X }, - { .div = 12, .val = 12, .flags = RATE_IN_343X }, - { .div = 13, .val = 13, .flags = RATE_IN_343X }, - { .div = 14, .val = 14, .flags = RATE_IN_343X }, - { .div = 15, .val = 15, .flags = RATE_IN_343X }, - { .div = 16, .val = 16, .flags = RATE_IN_343X }, - { .div = 0 } -}; - -/* DPLL1 */ -/* MPU clock source */ -/* Type: DPLL */ -static struct dpll_data dpll1_dd = { - .mult_div1_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL), - .mult_mask = OMAP3430_MPU_DPLL_MULT_MASK, - .div1_mask = OMAP3430_MPU_DPLL_DIV_MASK, - .clk_bypass = &dpll1_fck, - .clk_ref = &sys_ck, - .freqsel_mask = OMAP3430_MPU_DPLL_FREQSEL_MASK, - .control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL), - .enable_mask = OMAP3430_EN_MPU_DPLL_MASK, - .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), - .auto_recal_bit = OMAP3430_EN_MPU_DPLL_DRIFTGUARD_SHIFT, - .recal_en_bit = OMAP3430_MPU_DPLL_RECAL_EN_SHIFT, - .recal_st_bit = OMAP3430_MPU_DPLL_ST_SHIFT, - .autoidle_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_AUTOIDLE_PLL), - .autoidle_mask = OMAP3430_AUTO_MPU_DPLL_MASK, - .idlest_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL), - .idlest_mask = OMAP3430_ST_MPU_CLK_MASK, - .max_multiplier = OMAP3_MAX_DPLL_MULT, - .min_divider = 1, - .max_divider = OMAP3_MAX_DPLL_DIV, - .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE -}; - -static struct clk dpll1_ck = { - .name = "dpll1_ck", - .ops = &clkops_null, - .parent = &sys_ck, - .dpll_data = &dpll1_dd, - .round_rate = &omap2_dpll_round_rate, - .set_rate = &omap3_noncore_dpll_set_rate, - .clkdm_name = "dpll1_clkdm", - .recalc = &omap3_dpll_recalc, -}; - -/* - * This virtual clock provides the CLKOUTX2 output from the DPLL if the - * DPLL isn't bypassed. - */ -static struct clk dpll1_x2_ck = { - .name = "dpll1_x2_ck", - .ops = &clkops_null, - .parent = &dpll1_ck, - .clkdm_name = "dpll1_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -/* On DPLL1, unlike other DPLLs, the divider is downstream from CLKOUTX2 */ -static const struct clksel div16_dpll1_x2m2_clksel[] = { - { .parent = &dpll1_x2_ck, .rates = div16_dpll_rates }, - { .parent = NULL } -}; - -/* - * Does not exist in the TRM - needed to separate the M2 divider from - * bypass selection in mpu_ck - */ -static struct clk dpll1_x2m2_ck = { - .name = "dpll1_x2m2_ck", - .ops = &clkops_null, - .parent = &dpll1_x2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL), - .clksel_mask = OMAP3430_MPU_DPLL_CLKOUT_DIV_MASK, - .clksel = div16_dpll1_x2m2_clksel, - .clkdm_name = "dpll1_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* DPLL2 */ -/* IVA2 clock source */ -/* Type: DPLL */ - -static struct dpll_data dpll2_dd = { - .mult_div1_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL), - .mult_mask = OMAP3430_IVA2_DPLL_MULT_MASK, - .div1_mask = OMAP3430_IVA2_DPLL_DIV_MASK, - .clk_bypass = &dpll2_fck, - .clk_ref = &sys_ck, - .freqsel_mask = OMAP3430_IVA2_DPLL_FREQSEL_MASK, - .control_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL), - .enable_mask = OMAP3430_EN_IVA2_DPLL_MASK, - .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED) | - (1 << DPLL_LOW_POWER_BYPASS), - .auto_recal_bit = OMAP3430_EN_IVA2_DPLL_DRIFTGUARD_SHIFT, - .recal_en_bit = OMAP3430_PRM_IRQENABLE_MPU_IVA2_DPLL_RECAL_EN_SHIFT, - .recal_st_bit = OMAP3430_PRM_IRQSTATUS_MPU_IVA2_DPLL_ST_SHIFT, - .autoidle_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_AUTOIDLE_PLL), - .autoidle_mask = OMAP3430_AUTO_IVA2_DPLL_MASK, - .idlest_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_IDLEST_PLL), - .idlest_mask = OMAP3430_ST_IVA2_CLK_MASK, - .max_multiplier = OMAP3_MAX_DPLL_MULT, - .min_divider = 1, - .max_divider = OMAP3_MAX_DPLL_DIV, - .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE -}; - -static struct clk dpll2_ck = { - .name = "dpll2_ck", - .ops = &clkops_noncore_dpll_ops, - .parent = &sys_ck, - .dpll_data = &dpll2_dd, - .round_rate = &omap2_dpll_round_rate, - .set_rate = &omap3_noncore_dpll_set_rate, - .clkdm_name = "dpll2_clkdm", - .recalc = &omap3_dpll_recalc, -}; - -static const struct clksel div16_dpll2_m2x2_clksel[] = { - { .parent = &dpll2_ck, .rates = div16_dpll_rates }, - { .parent = NULL } -}; - -/* - * The TRM is conflicted on whether IVA2 clock comes from DPLL2 CLKOUT - * or CLKOUTX2. CLKOUT seems most plausible. - */ -static struct clk dpll2_m2_ck = { - .name = "dpll2_m2_ck", - .ops = &clkops_null, - .parent = &dpll2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, - OMAP3430_CM_CLKSEL2_PLL), - .clksel_mask = OMAP3430_IVA2_DPLL_CLKOUT_DIV_MASK, - .clksel = div16_dpll2_m2x2_clksel, - .clkdm_name = "dpll2_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* - * DPLL3 - * Source clock for all interfaces and for some device fclks - * REVISIT: Also supports fast relock bypass - not included below - */ -static struct dpll_data dpll3_dd = { - .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), - .mult_mask = OMAP3430_CORE_DPLL_MULT_MASK, - .div1_mask = OMAP3430_CORE_DPLL_DIV_MASK, - .clk_bypass = &sys_ck, - .clk_ref = &sys_ck, - .freqsel_mask = OMAP3430_CORE_DPLL_FREQSEL_MASK, - .control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_mask = OMAP3430_EN_CORE_DPLL_MASK, - .auto_recal_bit = OMAP3430_EN_CORE_DPLL_DRIFTGUARD_SHIFT, - .recal_en_bit = OMAP3430_CORE_DPLL_RECAL_EN_SHIFT, - .recal_st_bit = OMAP3430_CORE_DPLL_ST_SHIFT, - .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, CM_AUTOIDLE), - .autoidle_mask = OMAP3430_AUTO_CORE_DPLL_MASK, - .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .idlest_mask = OMAP3430_ST_CORE_CLK_MASK, - .max_multiplier = OMAP3_MAX_DPLL_MULT, - .min_divider = 1, - .max_divider = OMAP3_MAX_DPLL_DIV, - .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE -}; - -static struct clk dpll3_ck = { - .name = "dpll3_ck", - .ops = &clkops_null, - .parent = &sys_ck, - .dpll_data = &dpll3_dd, - .round_rate = &omap2_dpll_round_rate, - .clkdm_name = "dpll3_clkdm", - .recalc = &omap3_dpll_recalc, -}; - -/* - * This virtual clock provides the CLKOUTX2 output from the DPLL if the - * DPLL isn't bypassed - */ -static struct clk dpll3_x2_ck = { - .name = "dpll3_x2_ck", - .ops = &clkops_null, - .parent = &dpll3_ck, - .clkdm_name = "dpll3_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -static const struct clksel_rate div31_dpll3_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 2, .flags = RATE_IN_343X }, - { .div = 3, .val = 3, .flags = RATE_IN_3430ES2 }, - { .div = 4, .val = 4, .flags = RATE_IN_3430ES2 }, - { .div = 5, .val = 5, .flags = RATE_IN_3430ES2 }, - { .div = 6, .val = 6, .flags = RATE_IN_3430ES2 }, - { .div = 7, .val = 7, .flags = RATE_IN_3430ES2 }, - { .div = 8, .val = 8, .flags = RATE_IN_3430ES2 }, - { .div = 9, .val = 9, .flags = RATE_IN_3430ES2 }, - { .div = 10, .val = 10, .flags = RATE_IN_3430ES2 }, - { .div = 11, .val = 11, .flags = RATE_IN_3430ES2 }, - { .div = 12, .val = 12, .flags = RATE_IN_3430ES2 }, - { .div = 13, .val = 13, .flags = RATE_IN_3430ES2 }, - { .div = 14, .val = 14, .flags = RATE_IN_3430ES2 }, - { .div = 15, .val = 15, .flags = RATE_IN_3430ES2 }, - { .div = 16, .val = 16, .flags = RATE_IN_3430ES2 }, - { .div = 17, .val = 17, .flags = RATE_IN_3430ES2 }, - { .div = 18, .val = 18, .flags = RATE_IN_3430ES2 }, - { .div = 19, .val = 19, .flags = RATE_IN_3430ES2 }, - { .div = 20, .val = 20, .flags = RATE_IN_3430ES2 }, - { .div = 21, .val = 21, .flags = RATE_IN_3430ES2 }, - { .div = 22, .val = 22, .flags = RATE_IN_3430ES2 }, - { .div = 23, .val = 23, .flags = RATE_IN_3430ES2 }, - { .div = 24, .val = 24, .flags = RATE_IN_3430ES2 }, - { .div = 25, .val = 25, .flags = RATE_IN_3430ES2 }, - { .div = 26, .val = 26, .flags = RATE_IN_3430ES2 }, - { .div = 27, .val = 27, .flags = RATE_IN_3430ES2 }, - { .div = 28, .val = 28, .flags = RATE_IN_3430ES2 }, - { .div = 29, .val = 29, .flags = RATE_IN_3430ES2 }, - { .div = 30, .val = 30, .flags = RATE_IN_3430ES2 }, - { .div = 31, .val = 31, .flags = RATE_IN_3430ES2 }, - { .div = 0 }, -}; - -static const struct clksel div31_dpll3m2_clksel[] = { - { .parent = &dpll3_ck, .rates = div31_dpll3_rates }, - { .parent = NULL } -}; - -/* DPLL3 output M2 - primary control point for CORE speed */ -static struct clk dpll3_m2_ck = { - .name = "dpll3_m2_ck", - .ops = &clkops_null, - .parent = &dpll3_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_CORE_DPLL_CLKOUT_DIV_MASK, - .clksel = div31_dpll3m2_clksel, - .clkdm_name = "dpll3_clkdm", - .round_rate = &omap2_clksel_round_rate, - .set_rate = &omap3_core_dpll_m2_set_rate, - .recalc = &omap2_clksel_recalc, -}; - -static struct clk core_ck = { - .name = "core_ck", - .ops = &clkops_null, - .parent = &dpll3_m2_ck, - .recalc = &followparent_recalc, -}; - -static struct clk dpll3_m2x2_ck = { - .name = "dpll3_m2x2_ck", - .ops = &clkops_null, - .parent = &dpll3_m2_ck, - .clkdm_name = "dpll3_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static const struct clksel div16_dpll3_clksel[] = { - { .parent = &dpll3_ck, .rates = div16_dpll_rates }, - { .parent = NULL } -}; - -/* This virtual clock is the source for dpll3_m3x2_ck */ -static struct clk dpll3_m3_ck = { - .name = "dpll3_m3_ck", - .ops = &clkops_null, - .parent = &dpll3_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_DIV_DPLL3_MASK, - .clksel = div16_dpll3_clksel, - .clkdm_name = "dpll3_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static struct clk dpll3_m3x2_ck = { - .name = "dpll3_m3x2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll3_m3_ck, - .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_bit = OMAP3430_PWRDN_EMU_CORE_SHIFT, - .flags = INVERT_ENABLE, - .clkdm_name = "dpll3_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -static struct clk emu_core_alwon_ck = { - .name = "emu_core_alwon_ck", - .ops = &clkops_null, - .parent = &dpll3_m3x2_ck, - .clkdm_name = "dpll3_clkdm", - .recalc = &followparent_recalc, -}; - -/* DPLL4 */ -/* Supplies 96MHz, 54Mhz TV DAC, DSS fclk, CAM sensor clock, emul trace clk */ -/* Type: DPLL */ -static struct dpll_data dpll4_dd = { - .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL2), - .mult_mask = OMAP3430_PERIPH_DPLL_MULT_MASK, - .div1_mask = OMAP3430_PERIPH_DPLL_DIV_MASK, - .clk_bypass = &sys_ck, - .clk_ref = &sys_ck, - .freqsel_mask = OMAP3430_PERIPH_DPLL_FREQSEL_MASK, - .control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_mask = OMAP3430_EN_PERIPH_DPLL_MASK, - .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), - .auto_recal_bit = OMAP3430_EN_PERIPH_DPLL_DRIFTGUARD_SHIFT, - .recal_en_bit = OMAP3430_PERIPH_DPLL_RECAL_EN_SHIFT, - .recal_st_bit = OMAP3430_PERIPH_DPLL_ST_SHIFT, - .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, CM_AUTOIDLE), - .autoidle_mask = OMAP3430_AUTO_PERIPH_DPLL_MASK, - .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), - .idlest_mask = OMAP3430_ST_PERIPH_CLK_MASK, - .max_multiplier = OMAP3_MAX_DPLL_MULT, - .min_divider = 1, - .max_divider = OMAP3_MAX_DPLL_DIV, - .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE -}; - -static struct clk dpll4_ck = { - .name = "dpll4_ck", - .ops = &clkops_noncore_dpll_ops, - .parent = &sys_ck, - .dpll_data = &dpll4_dd, - .round_rate = &omap2_dpll_round_rate, - .set_rate = &omap3_dpll4_set_rate, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_dpll_recalc, -}; - -/* - * This virtual clock provides the CLKOUTX2 output from the DPLL if the - * DPLL isn't bypassed -- - * XXX does this serve any downstream clocks? - */ -static struct clk dpll4_x2_ck = { - .name = "dpll4_x2_ck", - .ops = &clkops_null, - .parent = &dpll4_ck, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -static const struct clksel div16_dpll4_clksel[] = { - { .parent = &dpll4_ck, .rates = div16_dpll_rates }, - { .parent = NULL } -}; - -/* This virtual clock is the source for dpll4_m2x2_ck */ -static struct clk dpll4_m2_ck = { - .name = "dpll4_m2_ck", - .ops = &clkops_null, - .parent = &dpll4_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3), - .clksel_mask = OMAP3430_DIV_96M_MASK, - .clksel = div16_dpll4_clksel, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static struct clk dpll4_m2x2_ck = { - .name = "dpll4_m2x2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll4_m2_ck, - .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_bit = OMAP3430_PWRDN_96M_SHIFT, - .flags = INVERT_ENABLE, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -/* - * DPLL4 generates DPLL4_M2X2_CLK which is then routed into the PRM as - * PRM_96M_ALWON_(F)CLK. Two clocks then emerge from the PRM: - * 96M_ALWON_FCLK (called "omap_96m_alwon_fck" below) and - * CM_96K_(F)CLK. - */ -static struct clk omap_96m_alwon_fck = { - .name = "omap_96m_alwon_fck", - .ops = &clkops_null, - .parent = &dpll4_m2x2_ck, - .recalc = &followparent_recalc, -}; - -static struct clk cm_96m_fck = { - .name = "cm_96m_fck", - .ops = &clkops_null, - .parent = &omap_96m_alwon_fck, - .recalc = &followparent_recalc, -}; - -static const struct clksel_rate omap_96m_dpll_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate omap_96m_sys_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel omap_96m_fck_clksel[] = { - { .parent = &cm_96m_fck, .rates = omap_96m_dpll_rates }, - { .parent = &sys_ck, .rates = omap_96m_sys_rates }, - { .parent = NULL } -}; - -static struct clk omap_96m_fck = { - .name = "omap_96m_fck", - .ops = &clkops_null, - .parent = &sys_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_SOURCE_96M_MASK, - .clksel = omap_96m_fck_clksel, - .recalc = &omap2_clksel_recalc, -}; - -/* This virtual clock is the source for dpll4_m3x2_ck */ -static struct clk dpll4_m3_ck = { - .name = "dpll4_m3_ck", - .ops = &clkops_null, - .parent = &dpll4_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_TV_MASK, - .clksel = div16_dpll4_clksel, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static struct clk dpll4_m3x2_ck = { - .name = "dpll4_m3x2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll4_m3_ck, - .init = &omap2_init_clksel_parent, - .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_bit = OMAP3430_PWRDN_TV_SHIFT, - .flags = INVERT_ENABLE, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -static const struct clksel_rate omap_54m_d4m3x2_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate omap_54m_alt_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel omap_54m_clksel[] = { - { .parent = &dpll4_m3x2_ck, .rates = omap_54m_d4m3x2_rates }, - { .parent = &sys_altclk, .rates = omap_54m_alt_rates }, - { .parent = NULL } -}; - -static struct clk omap_54m_fck = { - .name = "omap_54m_fck", - .ops = &clkops_null, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_SOURCE_54M_MASK, - .clksel = omap_54m_clksel, - .recalc = &omap2_clksel_recalc, -}; - -static const struct clksel_rate omap_48m_cm96m_rates[] = { - { .div = 2, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate omap_48m_alt_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel omap_48m_clksel[] = { - { .parent = &cm_96m_fck, .rates = omap_48m_cm96m_rates }, - { .parent = &sys_altclk, .rates = omap_48m_alt_rates }, - { .parent = NULL } -}; - -static struct clk omap_48m_fck = { - .name = "omap_48m_fck", - .ops = &clkops_null, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_SOURCE_48M_MASK, - .clksel = omap_48m_clksel, - .recalc = &omap2_clksel_recalc, -}; - -static struct clk omap_12m_fck = { - .name = "omap_12m_fck", - .ops = &clkops_null, - .parent = &omap_48m_fck, - .fixed_div = 4, - .recalc = &omap2_fixed_divisor_recalc, -}; - -/* This virstual clock is the source for dpll4_m4x2_ck */ -static struct clk dpll4_m4_ck = { - .name = "dpll4_m4_ck", - .ops = &clkops_null, - .parent = &dpll4_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK, - .clksel = div16_dpll4_clksel, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap2_clksel_recalc, - .set_rate = &omap2_clksel_set_rate, - .round_rate = &omap2_clksel_round_rate, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static struct clk dpll4_m4x2_ck = { - .name = "dpll4_m4x2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll4_m4_ck, - .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_bit = OMAP3430_PWRDN_CAM_SHIFT, - .flags = INVERT_ENABLE, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -/* This virtual clock is the source for dpll4_m5x2_ck */ -static struct clk dpll4_m5_ck = { - .name = "dpll4_m5_ck", - .ops = &clkops_null, - .parent = &dpll4_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_CAM_MASK, - .clksel = div16_dpll4_clksel, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static struct clk dpll4_m5x2_ck = { - .name = "dpll4_m5x2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll4_m5_ck, - .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_bit = OMAP3430_PWRDN_CAM_SHIFT, - .flags = INVERT_ENABLE, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -/* This virtual clock is the source for dpll4_m6x2_ck */ -static struct clk dpll4_m6_ck = { - .name = "dpll4_m6_ck", - .ops = &clkops_null, - .parent = &dpll4_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_DIV_DPLL4_MASK, - .clksel = div16_dpll4_clksel, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* The PWRDN bit is apparently only available on 3430ES2 and above */ -static struct clk dpll4_m6x2_ck = { - .name = "dpll4_m6x2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll4_m6_ck, - .init = &omap2_init_clksel_parent, - .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), - .enable_bit = OMAP3430_PWRDN_EMU_PERIPH_SHIFT, - .flags = INVERT_ENABLE, - .clkdm_name = "dpll4_clkdm", - .recalc = &omap3_clkoutx2_recalc, -}; - -static struct clk emu_per_alwon_ck = { - .name = "emu_per_alwon_ck", - .ops = &clkops_null, - .parent = &dpll4_m6x2_ck, - .clkdm_name = "dpll4_clkdm", - .recalc = &followparent_recalc, -}; - -/* DPLL5 */ -/* Supplies 120MHz clock, USIM source clock */ -/* Type: DPLL */ -/* 3430ES2 only */ -static struct dpll_data dpll5_dd = { - .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKSEL4), - .mult_mask = OMAP3430ES2_PERIPH2_DPLL_MULT_MASK, - .div1_mask = OMAP3430ES2_PERIPH2_DPLL_DIV_MASK, - .clk_bypass = &sys_ck, - .clk_ref = &sys_ck, - .freqsel_mask = OMAP3430ES2_PERIPH2_DPLL_FREQSEL_MASK, - .control_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKEN2), - .enable_mask = OMAP3430ES2_EN_PERIPH2_DPLL_MASK, - .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), - .auto_recal_bit = OMAP3430ES2_EN_PERIPH2_DPLL_DRIFTGUARD_SHIFT, - .recal_en_bit = OMAP3430ES2_SND_PERIPH_DPLL_RECAL_EN_SHIFT, - .recal_st_bit = OMAP3430ES2_SND_PERIPH_DPLL_ST_SHIFT, - .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_AUTOIDLE2_PLL), - .autoidle_mask = OMAP3430ES2_AUTO_PERIPH2_DPLL_MASK, - .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2), - .idlest_mask = OMAP3430ES2_ST_PERIPH2_CLK_MASK, - .max_multiplier = OMAP3_MAX_DPLL_MULT, - .min_divider = 1, - .max_divider = OMAP3_MAX_DPLL_DIV, - .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE -}; - -static struct clk dpll5_ck = { - .name = "dpll5_ck", - .ops = &clkops_noncore_dpll_ops, - .parent = &sys_ck, - .dpll_data = &dpll5_dd, - .round_rate = &omap2_dpll_round_rate, - .set_rate = &omap3_noncore_dpll_set_rate, - .clkdm_name = "dpll5_clkdm", - .recalc = &omap3_dpll_recalc, -}; - -static const struct clksel div16_dpll5_clksel[] = { - { .parent = &dpll5_ck, .rates = div16_dpll_rates }, - { .parent = NULL } -}; - -static struct clk dpll5_m2_ck = { - .name = "dpll5_m2_ck", - .ops = &clkops_null, - .parent = &dpll5_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKSEL5), - .clksel_mask = OMAP3430ES2_DIV_120M_MASK, - .clksel = div16_dpll5_clksel, - .clkdm_name = "dpll5_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* CM EXTERNAL CLOCK OUTPUTS */ - -static const struct clksel_rate clkout2_src_core_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate clkout2_src_sys_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate clkout2_src_96m_rates[] = { - { .div = 1, .val = 2, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel_rate clkout2_src_54m_rates[] = { - { .div = 1, .val = 3, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 0 } -}; - -static const struct clksel clkout2_src_clksel[] = { - { .parent = &core_ck, .rates = clkout2_src_core_rates }, - { .parent = &sys_ck, .rates = clkout2_src_sys_rates }, - { .parent = &cm_96m_fck, .rates = clkout2_src_96m_rates }, - { .parent = &omap_54m_fck, .rates = clkout2_src_54m_rates }, - { .parent = NULL } -}; - -static struct clk clkout2_src_ck = { - .name = "clkout2_src_ck", - .ops = &clkops_omap2_dflt, - .init = &omap2_init_clksel_parent, - .enable_reg = OMAP3430_CM_CLKOUT_CTRL, - .enable_bit = OMAP3430_CLKOUT2_EN_SHIFT, - .clksel_reg = OMAP3430_CM_CLKOUT_CTRL, - .clksel_mask = OMAP3430_CLKOUT2SOURCE_MASK, - .clksel = clkout2_src_clksel, - .clkdm_name = "core_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -static const struct clksel_rate sys_clkout2_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 1, .flags = RATE_IN_343X }, - { .div = 4, .val = 2, .flags = RATE_IN_343X }, - { .div = 8, .val = 3, .flags = RATE_IN_343X }, - { .div = 16, .val = 4, .flags = RATE_IN_343X }, - { .div = 0 }, -}; - -static const struct clksel sys_clkout2_clksel[] = { - { .parent = &clkout2_src_ck, .rates = sys_clkout2_rates }, - { .parent = NULL }, -}; - -static struct clk sys_clkout2 = { - .name = "sys_clkout2", - .ops = &clkops_null, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP3430_CM_CLKOUT_CTRL, - .clksel_mask = OMAP3430_CLKOUT2_DIV_MASK, - .clksel = sys_clkout2_clksel, - .recalc = &omap2_clksel_recalc, -}; - -/* CM OUTPUT CLOCKS */ - -static struct clk corex2_fck = { - .name = "corex2_fck", - .ops = &clkops_null, - .parent = &dpll3_m2x2_ck, - .recalc = &followparent_recalc, -}; - -/* DPLL power domain clock controls */ - -static const struct clksel_rate div4_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 2, .flags = RATE_IN_343X }, - { .div = 4, .val = 4, .flags = RATE_IN_343X }, - { .div = 0 } -}; - -static const struct clksel div4_core_clksel[] = { - { .parent = &core_ck, .rates = div4_rates }, - { .parent = NULL } -}; - -/* - * REVISIT: Are these in DPLL power domain or CM power domain? docs - * may be inconsistent here? - */ -static struct clk dpll1_fck = { - .name = "dpll1_fck", - .ops = &clkops_null, - .parent = &core_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL), - .clksel_mask = OMAP3430_MPU_CLK_SRC_MASK, - .clksel = div4_core_clksel, - .recalc = &omap2_clksel_recalc, -}; - -static struct clk mpu_ck = { - .name = "mpu_ck", - .ops = &clkops_null, - .parent = &dpll1_x2m2_ck, - .clkdm_name = "mpu_clkdm", - .recalc = &followparent_recalc, -}; - -/* arm_fck is divided by two when DPLL1 locked; otherwise, passthrough mpu_ck */ -static const struct clksel_rate arm_fck_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 1, .flags = RATE_IN_343X }, - { .div = 0 }, -}; - -static const struct clksel arm_fck_clksel[] = { - { .parent = &mpu_ck, .rates = arm_fck_rates }, - { .parent = NULL } -}; - -static struct clk arm_fck = { - .name = "arm_fck", - .ops = &clkops_null, - .parent = &mpu_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL), - .clksel_mask = OMAP3430_ST_MPU_CLK_MASK, - .clksel = arm_fck_clksel, - .clkdm_name = "mpu_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -/* XXX What about neon_clkdm ? */ - -/* - * REVISIT: This clock is never specifically defined in the 3430 TRM, - * although it is referenced - so this is a guess - */ -static struct clk emu_mpu_alwon_ck = { - .name = "emu_mpu_alwon_ck", - .ops = &clkops_null, - .parent = &mpu_ck, - .recalc = &followparent_recalc, -}; - -static struct clk dpll2_fck = { - .name = "dpll2_fck", - .ops = &clkops_null, - .parent = &core_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL), - .clksel_mask = OMAP3430_IVA2_CLK_SRC_MASK, - .clksel = div4_core_clksel, - .recalc = &omap2_clksel_recalc, -}; - -static struct clk iva2_ck = { - .name = "iva2_ck", - .ops = &clkops_omap2_dflt_wait, - .parent = &dpll2_m2_ck, - .init = &omap2_init_clksel_parent, - .enable_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, CM_FCLKEN), - .enable_bit = OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT, - .clkdm_name = "iva2_clkdm", - .recalc = &followparent_recalc, -}; - -/* Common interface clocks */ - -static const struct clksel div2_core_clksel[] = { - { .parent = &core_ck, .rates = div2_rates }, - { .parent = NULL } -}; - -static struct clk l3_ick = { - .name = "l3_ick", - .ops = &clkops_null, - .parent = &core_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_L3_MASK, - .clksel = div2_core_clksel, - .clkdm_name = "core_l3_clkdm", - .recalc = &omap2_clksel_recalc, -}; - -static const struct clksel div2_l3_clksel[] = { - { .parent = &l3_ick, .rates = div2_rates }, - { .parent = NULL } -}; - -static struct clk l4_ick = { - .name = "l4_ick", - .ops = &clkops_null, - .parent = &l3_ick, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_L4_MASK, - .clksel = div2_l3_clksel, - .clkdm_name = "core_l4_clkdm", - .recalc = &omap2_clksel_recalc, - -}; - -static const struct clksel div2_l4_clksel[] = { - { .parent = &l4_ick, .rates = div2_rate |