| /* |
| * SPEAr3xx machines clock framework source file |
| * |
| * Copyright (C) 2012 ST Microelectronics |
| * Viresh Kumar <viresh.linux@gmail.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/clk.h> |
| #include <linux/clkdev.h> |
| #include <linux/err.h> |
| #include <linux/io.h> |
| #include <linux/of_platform.h> |
| #include <linux/spinlock_types.h> |
| #include <mach/misc_regs.h> |
| #include "clk.h" |
| |
| static DEFINE_SPINLOCK(_lock); |
| |
| #define PLL1_CTR (MISC_BASE + 0x008) |
| #define PLL1_FRQ (MISC_BASE + 0x00C) |
| #define PLL2_CTR (MISC_BASE + 0x014) |
| #define PLL2_FRQ (MISC_BASE + 0x018) |
| #define PLL_CLK_CFG (MISC_BASE + 0x020) |
| /* PLL_CLK_CFG register masks */ |
| #define MCTR_CLK_SHIFT 28 |
| #define MCTR_CLK_MASK 3 |
| |
| #define CORE_CLK_CFG (MISC_BASE + 0x024) |
| /* CORE CLK CFG register masks */ |
| #define GEN_SYNTH2_3_CLK_SHIFT 18 |
| #define GEN_SYNTH2_3_CLK_MASK 1 |
| |
| #define HCLK_RATIO_SHIFT 10 |
| #define HCLK_RATIO_MASK 2 |
| #define PCLK_RATIO_SHIFT 8 |
| #define PCLK_RATIO_MASK 2 |
| |
| #define PERIP_CLK_CFG (MISC_BASE + 0x028) |
| /* PERIP_CLK_CFG register masks */ |
| #define UART_CLK_SHIFT 4 |
| #define UART_CLK_MASK 1 |
| #define FIRDA_CLK_SHIFT 5 |
| #define FIRDA_CLK_MASK 2 |
| #define GPT0_CLK_SHIFT 8 |
| #define GPT1_CLK_SHIFT 11 |
| #define GPT2_CLK_SHIFT 12 |
| #define GPT_CLK_MASK 1 |
| |
| #define PERIP1_CLK_ENB (MISC_BASE + 0x02C) |
| /* PERIP1_CLK_ENB register masks */ |
| #define UART_CLK_ENB 3 |
| #define SSP_CLK_ENB 5 |
| #define I2C_CLK_ENB 7 |
| #define JPEG_CLK_ENB 8 |
| #define FIRDA_CLK_ENB 10 |
| #define GPT1_CLK_ENB 11 |
| #define GPT2_CLK_ENB 12 |
| #define ADC_CLK_ENB 15 |
| #define RTC_CLK_ENB 17 |
| #define GPIO_CLK_ENB 18 |
| #define DMA_CLK_ENB 19 |
| #define SMI_CLK_ENB 21 |
| #define GMAC_CLK_ENB 23 |
| #define USBD_CLK_ENB 24 |
| #define USBH_CLK_ENB 25 |
| #define C3_CLK_ENB 31 |
| |
| #define RAS_CLK_ENB (MISC_BASE + 0x034) |
| #define RAS_AHB_CLK_ENB 0 |
| #define RAS_PLL1_CLK_ENB 1 |
| #define RAS_APB_CLK_ENB 2 |
| #define RAS_32K_CLK_ENB 3 |
| #define RAS_24M_CLK_ENB 4 |
| #define RAS_48M_CLK_ENB 5 |
| #define RAS_PLL2_CLK_ENB 7 |
| #define RAS_SYNT0_CLK_ENB 8 |
| #define RAS_SYNT1_CLK_ENB 9 |
| #define RAS_SYNT2_CLK_ENB 10 |
| #define RAS_SYNT3_CLK_ENB 11 |
| |
| #define PRSC0_CLK_CFG (MISC_BASE + 0x044) |
| #define PRSC1_CLK_CFG (MISC_BASE + 0x048) |
| #define PRSC2_CLK_CFG (MISC_BASE + 0x04C) |
| #define AMEM_CLK_CFG (MISC_BASE + 0x050) |
| #define AMEM_CLK_ENB 0 |
| |
| #define CLCD_CLK_SYNT (MISC_BASE + 0x05C) |
| #define FIRDA_CLK_SYNT (MISC_BASE + 0x060) |
| #define UART_CLK_SYNT (MISC_BASE + 0x064) |
| #define GMAC_CLK_SYNT (MISC_BASE + 0x068) |
| #define GEN0_CLK_SYNT (MISC_BASE + 0x06C) |
| #define GEN1_CLK_SYNT (MISC_BASE + 0x070) |
| #define GEN2_CLK_SYNT (MISC_BASE + 0x074) |
| #define GEN3_CLK_SYNT (MISC_BASE + 0x078) |
| |
| /* pll rate configuration table, in ascending order of rates */ |
| static struct pll_rate_tbl pll_rtbl[] = { |
| {.mode = 0, .m = 0x53, .n = 0x0C, .p = 0x1}, /* vco 332 & pll 166 MHz */ |
| {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* vco 532 & pll 266 MHz */ |
| {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* vco 664 & pll 332 MHz */ |
| }; |
| |
| /* aux rate configuration table, in ascending order of rates */ |
| static struct aux_rate_tbl aux_rtbl[] = { |
| /* For PLL1 = 332 MHz */ |
| {.xscale = 1, .yscale = 81, .eq = 0}, /* 2.049 MHz */ |
| {.xscale = 1, .yscale = 59, .eq = 0}, /* 2.822 MHz */ |
| {.xscale = 2, .yscale = 81, .eq = 0}, /* 4.098 MHz */ |
| {.xscale = 3, .yscale = 89, .eq = 0}, /* 5.644 MHz */ |
| {.xscale = 4, .yscale = 81, .eq = 0}, /* 8.197 MHz */ |
| {.xscale = 4, .yscale = 59, .eq = 0}, /* 11.254 MHz */ |
| {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */ |
| {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */ |
| {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */ |
| {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ |
| }; |
| |
| /* gpt rate configuration table, in ascending order of rates */ |
| static struct gpt_rate_tbl gpt_rtbl[] = { |
| /* For pll1 = 332 MHz */ |
| {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ |
| {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ |
| {.mscale = 1, .nscale = 0}, /* 83 MHz */ |
| }; |
| |
| /* clock parents */ |
| static const char *uart0_parents[] = { "pll3_clk", "uart_syn_gclk", }; |
| static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk", |
| }; |
| static const char *gpt0_parents[] = { "pll3_clk", "gpt0_syn_clk", }; |
| static const char *gpt1_parents[] = { "pll3_clk", "gpt1_syn_clk", }; |
| static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", }; |
| static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", }; |
| static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none", |
| "pll2_clk", }; |
| |
| #ifdef CONFIG_MACH_SPEAR300 |
| static void __init spear300_clk_init(void) |
| { |
| struct clk *clk; |
| |
| clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0, |
| 1, 1); |
| clk_register_clkdev(clk, NULL, "60000000.clcd"); |
| |
| clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "94000000.flash"); |
| |
| clk = clk_register_fixed_factor(NULL, "sdhci_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "70000000.sdhci"); |
| |
| clk = clk_register_fixed_factor(NULL, "gpio1_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a9000000.gpio"); |
| |
| clk = clk_register_fixed_factor(NULL, "kbd_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a0000000.kbd"); |
| } |
| #else |
| static inline void spear300_clk_init(void) { } |
| #endif |
| |
| /* array of all spear 310 clock lookups */ |
| #ifdef CONFIG_MACH_SPEAR310 |
| static void __init spear310_clk_init(void) |
| { |
| struct clk *clk; |
| |
| clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, "emi", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "44000000.flash"); |
| |
| clk = clk_register_fixed_factor(NULL, "tdm_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "tdm"); |
| |
| clk = clk_register_fixed_factor(NULL, "uart1_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "b2000000.serial"); |
| |
| clk = clk_register_fixed_factor(NULL, "uart2_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "b2080000.serial"); |
| |
| clk = clk_register_fixed_factor(NULL, "uart3_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "b2100000.serial"); |
| |
| clk = clk_register_fixed_factor(NULL, "uart4_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "b2180000.serial"); |
| |
| clk = clk_register_fixed_factor(NULL, "uart5_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "b2200000.serial"); |
| } |
| #else |
| static inline void spear310_clk_init(void) { } |
| #endif |
| |
| /* array of all spear 320 clock lookups */ |
| #ifdef CONFIG_MACH_SPEAR320 |
| #define SMII_PCLK_SHIFT 18 |
| #define SMII_PCLK_MASK 2 |
| #define SMII_PCLK_VAL_PAD 0x0 |
| #define SMII_PCLK_VAL_PLL2 0x1 |
| #define SMII_PCLK_VAL_SYNTH0 0x2 |
| #define SDHCI_PCLK_SHIFT 15 |
| #define SDHCI_PCLK_MASK 1 |
| #define SDHCI_PCLK_VAL_48M 0x0 |
| #define SDHCI_PCLK_VAL_SYNTH3 0x1 |
| #define I2S_REF_PCLK_SHIFT 8 |
| #define I2S_REF_PCLK_MASK 1 |
| #define I2S_REF_PCLK_SYNTH_VAL 0x1 |
| #define I2S_REF_PCLK_PLL2_VAL 0x0 |
| #define UART1_PCLK_SHIFT 6 |
| #define UART1_PCLK_MASK 1 |
| #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0 |
| #define SPEAR320_UARTX_PCLK_VAL_APB 0x1 |
| |
| static const char *i2s_ref_parents[] = { "ras_pll2_clk", "ras_syn2_gclk", }; |
| static const char *sdhci_parents[] = { "ras_pll3_clk", "ras_syn3_gclk", }; |
| static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk", |
| "ras_syn0_gclk", }; |
| static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", }; |
| |
| static void __init spear320_clk_init(void) |
| { |
| struct clk *clk; |
| |
| clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL, |
| CLK_IS_ROOT, 125000000); |
| clk_register_clkdev(clk, "smii_125m_pad", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0, |
| 1, 1); |
| clk_register_clkdev(clk, NULL, "90000000.clcd"); |
| |
| clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, "emi", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "4c000000.flash"); |
| |
| clk = clk_register_fixed_factor(NULL, "i2c1_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a7000000.i2c"); |
| |
| clk = clk_register_fixed_factor(NULL, "pwm_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a8000000.pwm"); |
| |
| clk = clk_register_fixed_factor(NULL, "ssp1_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a5000000.spi"); |
| |
| clk = clk_register_fixed_factor(NULL, "ssp2_clk", "ras_ahb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a6000000.spi"); |
| |
| clk = clk_register_fixed_factor(NULL, "can0_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "c_can_platform.0"); |
| |
| clk = clk_register_fixed_factor(NULL, "can1_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "c_can_platform.1"); |
| |
| clk = clk_register_fixed_factor(NULL, "i2s_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "a9400000.i2s"); |
| |
| clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents, |
| ARRAY_SIZE(i2s_ref_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_CONTROL_REG, I2S_REF_PCLK_SHIFT, |
| I2S_REF_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, "i2s_ref_clk", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "i2s_sclk", "i2s_ref_clk", |
| CLK_SET_RATE_PARENT, 1, |
| 4); |
| clk_register_clkdev(clk, "i2s_sclk", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "macb1_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, "hclk", "aa000000.eth"); |
| |
| clk = clk_register_fixed_factor(NULL, "macb2_clk", "ras_apb_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, "hclk", "ab000000.eth"); |
| |
| clk = clk_register_mux(NULL, "rs485_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_EXT_CTRL_REG, SPEAR320_RS485_PCLK_SHIFT, |
| SPEAR320_UARTX_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "a9300000.serial"); |
| |
| clk = clk_register_mux(NULL, "sdhci_clk", sdhci_parents, |
| ARRAY_SIZE(sdhci_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_CONTROL_REG, SDHCI_PCLK_SHIFT, SDHCI_PCLK_MASK, |
| 0, &_lock); |
| clk_register_clkdev(clk, NULL, "70000000.sdhci"); |
| |
| clk = clk_register_mux(NULL, "smii_pclk", smii0_parents, |
| ARRAY_SIZE(smii0_parents), 0, SPEAR320_CONTROL_REG, |
| SMII_PCLK_SHIFT, SMII_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "smii_pclk"); |
| |
| clk = clk_register_fixed_factor(NULL, "smii_clk", "smii_pclk", 0, 1, 1); |
| clk_register_clkdev(clk, NULL, "smii"); |
| |
| clk = clk_register_mux(NULL, "uart1_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK, |
| 0, &_lock); |
| clk_register_clkdev(clk, NULL, "a3000000.serial"); |
| |
| clk = clk_register_mux(NULL, "uart2_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT, |
| SPEAR320_UARTX_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "a4000000.serial"); |
| |
| clk = clk_register_mux(NULL, "uart3_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_EXT_CTRL_REG, SPEAR320_UART3_PCLK_SHIFT, |
| SPEAR320_UARTX_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "a9100000.serial"); |
| |
| clk = clk_register_mux(NULL, "uart4_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_EXT_CTRL_REG, SPEAR320_UART4_PCLK_SHIFT, |
| SPEAR320_UARTX_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "a9200000.serial"); |
| |
| clk = clk_register_mux(NULL, "uart5_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_EXT_CTRL_REG, SPEAR320_UART5_PCLK_SHIFT, |
| SPEAR320_UARTX_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "60000000.serial"); |
| |
| clk = clk_register_mux(NULL, "uart6_clk", uartx_parents, |
| ARRAY_SIZE(uartx_parents), CLK_SET_RATE_PARENT, |
| SPEAR320_EXT_CTRL_REG, SPEAR320_UART6_PCLK_SHIFT, |
| SPEAR320_UARTX_PCLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "60100000.serial"); |
| } |
| #else |
| static inline void spear320_clk_init(void) { } |
| #endif |
| |
| void __init spear3xx_clk_init(void) |
| { |
| struct clk *clk, *clk1; |
| |
| clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT, |
| 32000); |
| clk_register_clkdev(clk, "osc_32k_clk", NULL); |
| |
| clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT, |
| 24000000); |
| clk_register_clkdev(clk, "osc_24m_clk", NULL); |
| |
| /* clock derived from 32 KHz osc clk */ |
| clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0, |
| PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "fc900000.rtc"); |
| |
| /* clock derived from 24 MHz osc clk */ |
| clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0, |
| 48000000); |
| clk_register_clkdev(clk, "pll3_clk", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, NULL, "fc880000.wdt"); |
| |
| clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, |
| "osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl, |
| ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); |
| clk_register_clkdev(clk, "vco1_clk", NULL); |
| clk_register_clkdev(clk1, "pll1_clk", NULL); |
| |
| clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, |
| "osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, |
| ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); |
| clk_register_clkdev(clk, "vco2_clk", NULL); |
| clk_register_clkdev(clk1, "pll2_clk", NULL); |
| |
| /* clock derived from pll1 clk */ |
| clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk", |
| CLK_SET_RATE_PARENT, 1, 1); |
| clk_register_clkdev(clk, "cpu_clk", NULL); |
| |
| clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk", |
| CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT, |
| HCLK_RATIO_MASK, 0, &_lock); |
| clk_register_clkdev(clk, "ahb_clk", NULL); |
| |
| clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0, |
| UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), |
| &_lock, &clk1); |
| clk_register_clkdev(clk, "uart_syn_clk", NULL); |
| clk_register_clkdev(clk1, "uart_syn_gclk", NULL); |
| |
| clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents, |
| ARRAY_SIZE(uart0_parents), CLK_SET_RATE_PARENT, |
| PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0, |
| &_lock); |
| clk_register_clkdev(clk, "uart0_mclk", NULL); |
| |
| clk = clk_register_gate(NULL, "uart0", "uart0_mclk", |
| CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, UART_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, NULL, "d0000000.serial"); |
| |
| clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", 0, |
| FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), |
| &_lock, &clk1); |
| clk_register_clkdev(clk, "firda_syn_clk", NULL); |
| clk_register_clkdev(clk1, "firda_syn_gclk", NULL); |
| |
| clk = clk_register_mux(NULL, "firda_mclk", firda_parents, |
| ARRAY_SIZE(firda_parents), CLK_SET_RATE_PARENT, |
| PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, |
| &_lock); |
| clk_register_clkdev(clk, "firda_mclk", NULL); |
| |
| clk = clk_register_gate(NULL, "firda_clk", "firda_mclk", |
| CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, NULL, "firda"); |
| |
| /* gpt clocks */ |
| clk_register_gpt("gpt0_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl, |
| ARRAY_SIZE(gpt_rtbl), &_lock); |
| clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents, |
| ARRAY_SIZE(gpt0_parents), CLK_SET_RATE_PARENT, |
| PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "gpt0"); |
| |
| clk_register_gpt("gpt1_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl, |
| ARRAY_SIZE(gpt_rtbl), &_lock); |
| clk = clk_register_mux(NULL, "gpt1_mclk", gpt1_parents, |
| ARRAY_SIZE(gpt1_parents), CLK_SET_RATE_PARENT, |
| PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, "gpt1_mclk", NULL); |
| clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", |
| CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, NULL, "gpt1"); |
| |
| clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl, |
| ARRAY_SIZE(gpt_rtbl), &_lock); |
| clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents, |
| ARRAY_SIZE(gpt2_parents), CLK_SET_RATE_PARENT, |
| PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, "gpt2_mclk", NULL); |
| clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", |
| CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, NULL, "gpt2"); |
| |
| /* general synths clocks */ |
| clk = clk_register_aux("gen0_syn_clk", "gen0_syn_gclk", "pll1_clk", |
| 0, GEN0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), |
| &_lock, &clk1); |
| clk_register_clkdev(clk, "gen0_syn_clk", NULL); |
| clk_register_clkdev(clk1, "gen0_syn_gclk", NULL); |
| |
| clk = clk_register_aux("gen1_syn_clk", "gen1_syn_gclk", "pll1_clk", |
| 0, GEN1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), |
| &_lock, &clk1); |
| clk_register_clkdev(clk, "gen1_syn_clk", NULL); |
| clk_register_clkdev(clk1, "gen1_syn_gclk", NULL); |
| |
| clk = clk_register_mux(NULL, "gen2_3_par_clk", gen2_3_parents, |
| ARRAY_SIZE(gen2_3_parents), 0, CORE_CLK_CFG, |
| GEN_SYNTH2_3_CLK_SHIFT, GEN_SYNTH2_3_CLK_MASK, 0, |
| &_lock); |
| clk_register_clkdev(clk, "gen2_3_par_clk", NULL); |
| |
| clk = clk_register_aux("gen2_syn_clk", "gen2_syn_gclk", |
| "gen2_3_par_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl, |
| ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| clk_register_clkdev(clk, "gen2_syn_clk", NULL); |
| clk_register_clkdev(clk1, "gen2_syn_gclk", NULL); |
| |
| clk = clk_register_aux("gen3_syn_clk", "gen3_syn_gclk", |
| "gen2_3_par_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl, |
| ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| clk_register_clkdev(clk, "gen3_syn_clk", NULL); |
| clk_register_clkdev(clk1, "gen3_syn_gclk", NULL); |
| |
| /* clock derived from pll3 clk */ |
| clk = clk_register_gate(NULL, "usbh_clk", "pll3_clk", 0, PERIP1_CLK_ENB, |
| USBH_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "e1800000.ehci"); |
| clk_register_clkdev(clk, NULL, "e1900000.ohci"); |
| clk_register_clkdev(clk, NULL, "e2100000.ohci"); |
| |
| clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, "usbh.0_clk", NULL); |
| |
| clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1, |
| 1); |
| clk_register_clkdev(clk, "usbh.1_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB, |
| USBD_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "e1100000.usbd"); |
| |
| /* clock derived from ahb clk */ |
| clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2, |
| 1); |
| clk_register_clkdev(clk, "ahbmult2_clk", NULL); |
| |
| clk = clk_register_mux(NULL, "ddr_clk", ddr_parents, |
| ARRAY_SIZE(ddr_parents), 0, PLL_CLK_CFG, MCTR_CLK_SHIFT, |
| MCTR_CLK_MASK, 0, &_lock); |
| clk_register_clkdev(clk, "ddr_clk", NULL); |
| |
| clk = clk_register_divider(NULL, "apb_clk", "ahb_clk", |
| CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT, |
| PCLK_RATIO_MASK, 0, &_lock); |
| clk_register_clkdev(clk, "apb_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG, |
| AMEM_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "amem_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB, |
| C3_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "c3_clk"); |
| |
| clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB, |
| DMA_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "fc400000.dma"); |
| |
| clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB, |
| GMAC_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "e0800000.eth"); |
| |
| clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB, |
| I2C_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "d0180000.i2c"); |
| |
| clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB, |
| JPEG_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "jpeg"); |
| |
| clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB, |
| SMI_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "fc000000.flash"); |
| |
| /* clock derived from apb clk */ |
| clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB, |
| ADC_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "d0080000.adc"); |
| |
| clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB, |
| GPIO_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "fc980000.gpio"); |
| |
| clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB, |
| SSP_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, NULL, "d0100000.spi"); |
| |
| /* RAS clk enable */ |
| clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB, |
| RAS_AHB_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_ahb_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB, |
| RAS_APB_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_apb_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0, |
| RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_32k_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0, |
| RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_24m_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0, |
| RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_pll1_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0, |
| RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_pll2_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0, |
| RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock); |
| clk_register_clkdev(clk, "ras_pll3_clk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_syn0_gclk", "gen0_syn_gclk", |
| CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT0_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, "ras_syn0_gclk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_syn1_gclk", "gen1_syn_gclk", |
| CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT1_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, "ras_syn1_gclk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_syn2_gclk", "gen2_syn_gclk", |
| CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT2_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, "ras_syn2_gclk", NULL); |
| |
| clk = clk_register_gate(NULL, "ras_syn3_gclk", "gen3_syn_gclk", |
| CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT3_CLK_ENB, 0, |
| &_lock); |
| clk_register_clkdev(clk, "ras_syn3_gclk", NULL); |
| |
| if (of_machine_is_compatible("st,spear300")) |
| spear300_clk_init(); |
| else if (of_machine_is_compatible("st,spear310")) |
| spear310_clk_init(); |
| else if (of_machine_is_compatible("st,spear320")) |
| spear320_clk_init(); |
| } |