/* * SPEAr3xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics * Viresh Kumar * * 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 #include #include #include #include #include #include #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 = 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, "pwm", NULL); 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, "i2s"); clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents, ARRAY_SIZE(i2s_ref_parents), 0, 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", 0, 1, 4); clk_register_clkdev(clk, "i2s_sclk", NULL); clk = clk_register_mux(NULL, "rs485_clk", uartx_parents, ARRAY_SIZE(uartx_parents), 0, 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), 0, 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), 0, 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), 0, 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), 0, 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), 0, 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), 0, 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), 0, 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, "apb_pclk", NULL, CLK_IS_ROOT, 0); clk_register_clkdev(clk, "apb_pclk", NULL); 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", 0, 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), 0, 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", 0, 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), 0, 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", 0, 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), 0, 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), 0, 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", 0, 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), 0, 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", 0, 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, "usbh_clk", NULL); 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, "designware_udc"); /* 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, "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", 0, 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", 0, 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", 0, 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", 0, 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(); }