diff options
Diffstat (limited to 'arch/arm/mach-spear3xx/clock.c')
| -rw-r--r-- | arch/arm/mach-spear3xx/clock.c | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c deleted file mode 100644 index 18febf92f20..00000000000 --- a/arch/arm/mach-spear3xx/clock.c +++ /dev/null @@ -1,392 +0,0 @@ -/* - * arch/arm/mach-spear3xx/clock.c - * - * SPEAr3xx machines clock framework source file - * - * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar<viresh.kumar@st.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <mach/misc_regs.h> -#include <plat/clock.h> - -/* root clks */ -/* 32 KHz oscillator clock */ -static struct clk osc_32k_clk = { - .flags = ALWAYS_ENABLED, - .rate = 32000, -}; - -/* 24 MHz oscillator clock */ -static struct clk osc_24m_clk = { - .flags = ALWAYS_ENABLED, - .rate = 24000000, -}; - -/* clock derived from 32 KHz osc clk */ -/* rtc clock */ -static struct clk rtc_clk = { - .pclk = &osc_32k_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = RTC_CLK_ENB, - .recalc = &follow_parent, -}; - -/* clock derived from 24 MHz osc clk */ -/* pll1 configuration structure */ -static struct pll_clk_config pll1_config = { - .mode_reg = PLL1_CTR, - .cfg_reg = PLL1_FRQ, -}; - -/* PLL1 clock */ -static struct clk pll1_clk = { - .pclk = &osc_24m_clk, - .en_reg = PLL1_CTR, - .en_reg_bit = PLL_ENABLE, - .recalc = &pll1_clk_recalc, - .private_data = &pll1_config, -}; - -/* PLL3 48 MHz clock */ -static struct clk pll3_48m_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &osc_24m_clk, - .rate = 48000000, -}; - -/* watch dog timer clock */ -static struct clk wdt_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &osc_24m_clk, - .recalc = &follow_parent, -}; - -/* clock derived from pll1 clk */ -/* cpu clock */ -static struct clk cpu_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &pll1_clk, - .recalc = &follow_parent, -}; - -/* ahb configuration structure */ -static struct bus_clk_config ahb_config = { - .reg = CORE_CLK_CFG, - .mask = PLL_HCLK_RATIO_MASK, - .shift = PLL_HCLK_RATIO_SHIFT, -}; - -/* ahb clock */ -static struct clk ahb_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &pll1_clk, - .recalc = &bus_clk_recalc, - .private_data = &ahb_config, -}; - -/* uart configurations */ -static struct aux_clk_config uart_config = { - .synth_reg = UART_CLK_SYNT, -}; - -/* uart parents */ -static struct pclk_info uart_pclk_info[] = { - { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, - }, { - .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, - }, -}; - -/* uart parent select structure */ -static struct pclk_sel uart_pclk_sel = { - .pclk_info = uart_pclk_info, - .pclk_count = ARRAY_SIZE(uart_pclk_info), - .pclk_sel_reg = PERIP_CLK_CFG, - .pclk_sel_mask = UART_CLK_MASK, -}; - -/* uart clock */ -static struct clk uart_clk = { - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = UART_CLK_ENB, - .pclk_sel = &uart_pclk_sel, - .pclk_sel_shift = UART_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &uart_config, -}; - -/* firda configurations */ -static struct aux_clk_config firda_config = { - .synth_reg = FIRDA_CLK_SYNT, -}; - -/* firda parents */ -static struct pclk_info firda_pclk_info[] = { - { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, - }, { - .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, - }, -}; - -/* firda parent select structure */ -static struct pclk_sel firda_pclk_sel = { - .pclk_info = firda_pclk_info, - .pclk_count = ARRAY_SIZE(firda_pclk_info), - .pclk_sel_reg = PERIP_CLK_CFG, - .pclk_sel_mask = FIRDA_CLK_MASK, -}; - -/* firda clock */ -static struct clk firda_clk = { - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = FIRDA_CLK_ENB, - .pclk_sel = &firda_pclk_sel, - .pclk_sel_shift = FIRDA_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &firda_config, -}; - -/* gpt parents */ -static struct pclk_info gpt_pclk_info[] = { - { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, - }, { - .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, - }, -}; - -/* gpt parent select structure */ -static struct pclk_sel gpt_pclk_sel = { - .pclk_info = gpt_pclk_info, - .pclk_count = ARRAY_SIZE(gpt_pclk_info), - .pclk_sel_reg = PERIP_CLK_CFG, - .pclk_sel_mask = GPT_CLK_MASK, -}; - -/* gpt0 configurations */ -static struct aux_clk_config gpt0_config = { - .synth_reg = PRSC1_CLK_CFG, -}; - -/* gpt0 timer clock */ -static struct clk gpt0_clk = { - .flags = ALWAYS_ENABLED, - .pclk_sel = &gpt_pclk_sel, - .pclk_sel_shift = GPT0_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt0_config, -}; - -/* gpt1 configurations */ -static struct aux_clk_config gpt1_config = { - .synth_reg = PRSC2_CLK_CFG, -}; - -/* gpt1 timer clock */ -static struct clk gpt1_clk = { - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = GPT1_CLK_ENB, - .pclk_sel = &gpt_pclk_sel, - .pclk_sel_shift = GPT1_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt1_config, -}; - -/* gpt2 configurations */ -static struct aux_clk_config gpt2_config = { - .synth_reg = PRSC3_CLK_CFG, -}; - -/* gpt2 timer clock */ -static struct clk gpt2_clk = { - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = GPT2_CLK_ENB, - .pclk_sel = &gpt_pclk_sel, - .pclk_sel_shift = GPT2_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt2_config, -}; - -/* clock derived from pll3 clk */ -/* usbh clock */ -static struct clk usbh_clk = { - .pclk = &pll3_48m_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = USBH_CLK_ENB, - .recalc = &follow_parent, -}; - -/* usbd clock */ -static struct clk usbd_clk = { - .pclk = &pll3_48m_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = USBD_CLK_ENB, - .recalc = &follow_parent, -}; - -/* clcd clock */ -static struct clk clcd_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &pll3_48m_clk, - .recalc = &follow_parent, -}; - -/* clock derived from ahb clk */ -/* apb configuration structure */ -static struct bus_clk_config apb_config = { - .reg = CORE_CLK_CFG, - .mask = HCLK_PCLK_RATIO_MASK, - .shift = HCLK_PCLK_RATIO_SHIFT, -}; - -/* apb clock */ -static struct clk apb_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &ahb_clk, - .recalc = &bus_clk_recalc, - .private_data = &apb_config, -}; - -/* i2c clock */ -static struct clk i2c_clk = { - .pclk = &ahb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = I2C_CLK_ENB, - .recalc = &follow_parent, -}; - -/* dma clock */ -static struct clk dma_clk = { - .pclk = &ahb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = DMA_CLK_ENB, - .recalc = &follow_parent, -}; - -/* jpeg clock */ -static struct clk jpeg_clk = { - .pclk = &ahb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = JPEG_CLK_ENB, - .recalc = &follow_parent, -}; - -/* gmac clock */ -static struct clk gmac_clk = { - .pclk = &ahb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = GMAC_CLK_ENB, - .recalc = &follow_parent, -}; - -/* smi clock */ -static struct clk smi_clk = { - .pclk = &ahb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = SMI_CLK_ENB, - .recalc = &follow_parent, -}; - -/* c3 clock */ -static struct clk c3_clk = { - .pclk = &ahb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = C3_CLK_ENB, - .recalc = &follow_parent, -}; - -/* clock derived from apb clk */ -/* adc clock */ -static struct clk adc_clk = { - .pclk = &apb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = ADC_CLK_ENB, - .recalc = &follow_parent, -}; - -/* ssp clock */ -static struct clk ssp_clk = { - .pclk = &apb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = SSP_CLK_ENB, - .recalc = &follow_parent, -}; - -/* gpio clock */ -static struct clk gpio_clk = { - .pclk = &apb_clk, - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = GPIO_CLK_ENB, - .recalc = &follow_parent, -}; - -static struct clk dummy_apb_pclk; - -/* array of all spear 3xx clock lookups */ -static struct clk_lookup spear_clk_lookups[] = { - { .con_id = "apb_pclk", .clk = &dummy_apb_pclk}, - /* root clks */ - { .con_id = "osc_32k_clk", .clk = &osc_32k_clk}, - { .con_id = "osc_24m_clk", .clk = &osc_24m_clk}, - /* clock derived from 32 KHz osc clk */ - { .dev_id = "rtc", .clk = &rtc_clk}, - /* clock derived from 24 MHz osc clk */ - { .con_id = "pll1_clk", .clk = &pll1_clk}, - { .con_id = "pll3_48m_clk", .clk = &pll3_48m_clk}, - { .dev_id = "wdt", .clk = &wdt_clk}, - /* clock derived from pll1 clk */ - { .con_id = "cpu_clk", .clk = &cpu_clk}, - { .con_id = "ahb_clk", .clk = &ahb_clk}, - { .dev_id = "uart", .clk = &uart_clk}, - { .dev_id = "firda", .clk = &firda_clk}, - { .dev_id = "gpt0", .clk = &gpt0_clk}, - { .dev_id = "gpt1", .clk = &gpt1_clk}, - { .dev_id = "gpt2", .clk = &gpt2_clk}, - /* clock derived from pll3 clk */ - { .dev_id = "usbh", .clk = &usbh_clk}, - { .dev_id = "usbd", .clk = &usbd_clk}, - { .dev_id = "clcd", .clk = &clcd_clk}, - /* clock derived from ahb clk */ - { .con_id = "apb_clk", .clk = &apb_clk}, - { .dev_id = "i2c", .clk = &i2c_clk}, - { .dev_id = "dma", .clk = &dma_clk}, - { .dev_id = "jpeg", .clk = &jpeg_clk}, - { .dev_id = "gmac", .clk = &gmac_clk}, - { .dev_id = "smi", .clk = &smi_clk}, - { .dev_id = "c3", .clk = &c3_clk}, - /* clock derived from apb clk */ - { .dev_id = "adc", .clk = &adc_clk}, - { .dev_id = "ssp", .clk = &ssp_clk}, - { .dev_id = "gpio", .clk = &gpio_clk}, -}; - -void __init clk_init(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++) - clk_register(&spear_clk_lookups[i]); - - recalc_root_clocks(); -} |
