From: Sascha Hauer Date: Wed, 18 Feb 2009 10:55:33 +0000 (+0100) Subject: MX31 clkdev support X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=9eb2eb8c40ffd30da322648c4415bae0288eb167;p=linux-2.6-omap-h63xx.git MX31 clkdev support This patch adds clkdev support for i.MX31. This is done in a similar way done previously for i.MX27 Signed-off-by: Sascha Hauer --- diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c index 9ab5f8b2bc3..ca46f4801c3 100644 --- a/arch/arm/mach-mx3/clock.c +++ b/arch/arm/mach-mx3/clock.c @@ -23,10 +23,13 @@ #include #include #include + +#include +#include + #include #include #include -#include #include "crm_regs.h" @@ -65,17 +68,17 @@ static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post) } static struct clk mcu_pll_clk; -static struct clk mcu_main_clk; -static struct clk usb_pll_clk; static struct clk serial_pll_clk; static struct clk ipg_clk; static struct clk ckih_clk; -static struct clk ahb_clk; -static int _clk_enable(struct clk *clk) +static int cgr_enable(struct clk *clk) { u32 reg; + if (!clk->enable_reg) + return 0; + reg = __raw_readl(clk->enable_reg); reg |= 3 << clk->enable_shift; __raw_writel(reg, clk->enable_reg); @@ -83,111 +86,69 @@ static int _clk_enable(struct clk *clk) return 0; } -static void _clk_disable(struct clk *clk) +static void cgr_disable(struct clk *clk) { u32 reg; + if (!clk->enable_reg) + return; + reg = __raw_readl(clk->enable_reg); reg &= ~(3 << clk->enable_shift); + + /* special case for EMI clock */ + if (clk->enable_reg == MXC_CCM_CGR2 && clk->enable_shift == 8) + reg |= (1 << clk->enable_shift); + __raw_writel(reg, clk->enable_reg); } -static void _clk_emi_disable(struct clk *clk) +static unsigned long pll_ref_get_rate(void) { - u32 reg; + unsigned long ccmr; + unsigned int prcs; - reg = __raw_readl(clk->enable_reg); - reg &= ~(3 << clk->enable_shift); - reg |= (1 << clk->enable_shift); - __raw_writel(reg, clk->enable_reg); + ccmr = __raw_readl(MXC_CCM_CCMR); + prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET; + if (prcs == 0x1) + return CKIL_CLK_FREQ * 1024; + else + return clk_get_rate(&ckih_clk); } -static int _clk_pll_set_rate(struct clk *clk, unsigned long rate) +static unsigned long usb_pll_get_rate(struct clk *clk) { - u32 reg; - signed long pd = 1; /* Pre-divider */ - signed long mfi; /* Multiplication Factor (Integer part) */ - signed long mfn; /* Multiplication Factor (Integer part) */ - signed long mfd; /* Multiplication Factor (Denominator Part) */ - signed long tmp; - u32 ref_freq = clk_get_rate(clk->parent); + unsigned long reg; - while (((ref_freq / pd) * 10) > rate) - pd++; + reg = __raw_readl(MXC_CCM_UPCTL); - if ((ref_freq / pd) < PRE_DIV_MIN_FREQ) - return -EINVAL; + return mxc_decode_pll(reg, pll_ref_get_rate()); +} - /* the ref_freq/2 in the following is to round up */ - mfi = (((rate / 2) * pd) + (ref_freq / 2)) / ref_freq; - if (mfi < 5 || mfi > 15) - return -EINVAL; +static unsigned long serial_pll_get_rate(struct clk *clk) +{ + unsigned long reg; - /* pick a mfd value that will work - * then solve for mfn */ - mfd = ref_freq / 50000; - - /* - * pll_freq * pd * mfd - * mfn = -------------------- - (mfi * mfd) - * 2 * ref_freq - */ - /* the tmp/2 is for rounding */ - tmp = ref_freq / 10000; - mfn = - ((((((rate / 2) + (tmp / 2)) / tmp) * pd) * mfd) / 10000) - - (mfi * mfd); - - mfn = mfn & 0x3ff; - pd--; - mfd--; - - /* Change the Pll value */ - reg = (mfi << MXC_CCM_PCTL_MFI_OFFSET) | - (mfn << MXC_CCM_PCTL_MFN_OFFSET) | - (mfd << MXC_CCM_PCTL_MFD_OFFSET) | (pd << MXC_CCM_PCTL_PD_OFFSET); - - if (clk == &mcu_pll_clk) - __raw_writel(reg, MXC_CCM_MPCTL); - else if (clk == &usb_pll_clk) - __raw_writel(reg, MXC_CCM_UPCTL); - else if (clk == &serial_pll_clk) - __raw_writel(reg, MXC_CCM_SRPCTL); + reg = __raw_readl(MXC_CCM_SRPCTL); - return 0; + return mxc_decode_pll(reg, pll_ref_get_rate()); } -static unsigned long _clk_pll_get_rate(struct clk *clk) +static unsigned long mcu_pll_get_rate(struct clk *clk) { unsigned long reg, ccmr; - unsigned int prcs, ref_clk; ccmr = __raw_readl(MXC_CCM_CCMR); - prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET; - if (prcs == 0x1) - ref_clk = CKIL_CLK_FREQ * 1024; - else - ref_clk = clk_get_rate(&ckih_clk); - - if (clk == &mcu_pll_clk) { - if ((ccmr & MXC_CCM_CCMR_MPE) == 0) - return ref_clk; - if ((ccmr & MXC_CCM_CCMR_MDS) != 0) - return ref_clk; - reg = __raw_readl(MXC_CCM_MPCTL); - } else if (clk == &usb_pll_clk) - reg = __raw_readl(MXC_CCM_UPCTL); - else if (clk == &serial_pll_clk) - reg = __raw_readl(MXC_CCM_SRPCTL); - else { - BUG(); - return 0; - } - return mxc_decode_pll(reg, ref_clk); + if (!(ccmr & MXC_CCM_CCMR_MPE) || (ccmr & MXC_CCM_CCMR_MDS)) + return clk_get_rate(&ckih_clk); + + reg = __raw_readl(MXC_CCM_MPCTL); + + return mxc_decode_pll(reg, pll_ref_get_rate()); } -static int _clk_usb_pll_enable(struct clk *clk) +static int usb_pll_enable(struct clk *clk) { u32 reg; @@ -201,7 +162,7 @@ static int _clk_usb_pll_enable(struct clk *clk) return 0; } -static void _clk_usb_pll_disable(struct clk *clk) +static void usb_pll_disable(struct clk *clk) { u32 reg; @@ -210,7 +171,7 @@ static void _clk_usb_pll_disable(struct clk *clk) __raw_writel(reg, MXC_CCM_CCMR); } -static int _clk_serial_pll_enable(struct clk *clk) +static int serial_pll_enable(struct clk *clk) { u32 reg; @@ -224,7 +185,7 @@ static int _clk_serial_pll_enable(struct clk *clk) return 0; } -static void _clk_serial_pll_disable(struct clk *clk) +static void serial_pll_disable(struct clk *clk) { u32 reg; @@ -237,7 +198,7 @@ static void _clk_serial_pll_disable(struct clk *clk) #define PDR1(mask, off) ((__raw_readl(MXC_CCM_PDR1) & mask) >> off) #define PDR2(mask, off) ((__raw_readl(MXC_CCM_PDR2) & mask) >> off) -static unsigned long _clk_mcu_main_get_rate(struct clk *clk) +static unsigned long mcu_main_get_rate(struct clk *clk) { u32 pmcr0 = __raw_readl(MXC_CCM_PMCR0); @@ -247,7 +208,7 @@ static unsigned long _clk_mcu_main_get_rate(struct clk *clk) return clk_get_rate(&mcu_pll_clk); } -static unsigned long _clk_hclk_get_rate(struct clk *clk) +static unsigned long ahb_get_rate(struct clk *clk) { unsigned long max_pdf; @@ -256,7 +217,7 @@ static unsigned long _clk_hclk_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (max_pdf + 1); } -static unsigned long _clk_ipg_get_rate(struct clk *clk) +static unsigned long ipg_get_rate(struct clk *clk) { unsigned long ipg_pdf; @@ -265,7 +226,7 @@ static unsigned long _clk_ipg_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (ipg_pdf + 1); } -static unsigned long _clk_nfc_get_rate(struct clk *clk) +static unsigned long nfc_get_rate(struct clk *clk) { unsigned long nfc_pdf; @@ -274,7 +235,7 @@ static unsigned long _clk_nfc_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (nfc_pdf + 1); } -static unsigned long _clk_hsp_get_rate(struct clk *clk) +static unsigned long hsp_get_rate(struct clk *clk) { unsigned long hsp_pdf; @@ -283,7 +244,7 @@ static unsigned long _clk_hsp_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (hsp_pdf + 1); } -static unsigned long _clk_usb_get_rate(struct clk *clk) +static unsigned long usb_get_rate(struct clk *clk) { unsigned long usb_pdf, usb_prepdf; @@ -294,7 +255,7 @@ static unsigned long _clk_usb_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (usb_prepdf + 1) / (usb_pdf + 1); } -static unsigned long _clk_csi_get_rate(struct clk *clk) +static unsigned long csi_get_rate(struct clk *clk) { u32 reg, pre, post; @@ -308,7 +269,7 @@ static unsigned long _clk_csi_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (pre * post); } -static unsigned long _clk_csi_round_rate(struct clk *clk, unsigned long rate) +static unsigned long csi_round_rate(struct clk *clk, unsigned long rate) { u32 pre, post, parent = clk_get_rate(clk->parent); u32 div = parent / rate; @@ -321,7 +282,7 @@ static unsigned long _clk_csi_round_rate(struct clk *clk, unsigned long rate) return parent / (pre * post); } -static int _clk_csi_set_rate(struct clk *clk, unsigned long rate) +static int csi_set_rate(struct clk *clk, unsigned long rate) { u32 reg, div, pre, post, parent = clk_get_rate(clk->parent); @@ -342,16 +303,7 @@ static int _clk_csi_set_rate(struct clk *clk, unsigned long rate) return 0; } -static unsigned long _clk_per_get_rate(struct clk *clk) -{ - unsigned long per_pdf; - - per_pdf = PDR0(MXC_CCM_PDR0_PER_PODF_MASK, - MXC_CCM_PDR0_PER_PODF_OFFSET); - return clk_get_rate(clk->parent) / (per_pdf + 1); -} - -static unsigned long _clk_ssi1_get_rate(struct clk *clk) +static unsigned long ssi1_get_rate(struct clk *clk) { unsigned long ssi1_pdf, ssi1_prepdf; @@ -362,7 +314,7 @@ static unsigned long _clk_ssi1_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (ssi1_prepdf + 1) / (ssi1_pdf + 1); } -static unsigned long _clk_ssi2_get_rate(struct clk *clk) +static unsigned long ssi2_get_rate(struct clk *clk) { unsigned long ssi2_pdf, ssi2_prepdf; @@ -373,7 +325,7 @@ static unsigned long _clk_ssi2_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (ssi2_prepdf + 1) / (ssi2_pdf + 1); } -static unsigned long _clk_firi_get_rate(struct clk *clk) +static unsigned long firi_get_rate(struct clk *clk) { unsigned long firi_pdf, firi_prepdf; @@ -384,7 +336,7 @@ static unsigned long _clk_firi_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (firi_prepdf + 1) / (firi_pdf + 1); } -static unsigned long _clk_firi_round_rate(struct clk *clk, unsigned long rate) +static unsigned long firi_round_rate(struct clk *clk, unsigned long rate) { u32 pre, post; u32 parent = clk_get_rate(clk->parent); @@ -399,7 +351,7 @@ static unsigned long _clk_firi_round_rate(struct clk *clk, unsigned long rate) } -static int _clk_firi_set_rate(struct clk *clk, unsigned long rate) +static int firi_set_rate(struct clk *clk, unsigned long rate) { u32 reg, div, pre, post, parent = clk_get_rate(clk->parent); @@ -420,12 +372,12 @@ static int _clk_firi_set_rate(struct clk *clk, unsigned long rate) return 0; } -static unsigned long _clk_mbx_get_rate(struct clk *clk) +static unsigned long mbx_get_rate(struct clk *clk) { return clk_get_rate(clk->parent) / 2; } -static unsigned long _clk_mstick1_get_rate(struct clk *clk) +static unsigned long mstick1_get_rate(struct clk *clk) { unsigned long msti_pdf; @@ -434,7 +386,7 @@ static unsigned long _clk_mstick1_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (msti_pdf + 1); } -static unsigned long _clk_mstick2_get_rate(struct clk *clk) +static unsigned long mstick2_get_rate(struct clk *clk) { unsigned long msti_pdf; @@ -451,663 +403,185 @@ static unsigned long clk_ckih_get_rate(struct clk *clk) } static struct clk ckih_clk = { - .name = "ckih", .get_rate = clk_ckih_get_rate, }; -static unsigned long clk_ckil_get_rate(struct clk *clk) -{ - return CKIL_CLK_FREQ; -} - -static struct clk ckil_clk = { - .name = "ckil", - .get_rate = clk_ckil_get_rate, -}; - static struct clk mcu_pll_clk = { - .name = "mcu_pll", .parent = &ckih_clk, - .set_rate = _clk_pll_set_rate, - .get_rate = _clk_pll_get_rate, + .get_rate = mcu_pll_get_rate, }; static struct clk mcu_main_clk = { - .name = "mcu_main_clk", .parent = &mcu_pll_clk, - .get_rate = _clk_mcu_main_get_rate, + .get_rate = mcu_main_get_rate, }; static struct clk serial_pll_clk = { - .name = "serial_pll", .parent = &ckih_clk, - .set_rate = _clk_pll_set_rate, - .get_rate = _clk_pll_get_rate, - .enable = _clk_serial_pll_enable, - .disable = _clk_serial_pll_disable, + .get_rate = serial_pll_get_rate, + .enable = serial_pll_enable, + .disable = serial_pll_disable, }; static struct clk usb_pll_clk = { - .name = "usb_pll", .parent = &ckih_clk, - .set_rate = _clk_pll_set_rate, - .get_rate = _clk_pll_get_rate, - .enable = _clk_usb_pll_enable, - .disable = _clk_usb_pll_disable, + .get_rate = usb_pll_get_rate, + .enable = usb_pll_enable, + .disable = usb_pll_disable, }; static struct clk ahb_clk = { - .name = "ahb_clk", .parent = &mcu_main_clk, - .get_rate = _clk_hclk_get_rate, -}; - -static struct clk per_clk = { - .name = "per_clk", - .parent = &usb_pll_clk, - .get_rate = _clk_per_get_rate, -}; - -static struct clk perclk_clk = { - .name = "perclk_clk", - .parent = &ipg_clk, -}; - -static struct clk cspi_clk[] = { - { - .name = "cspi_clk", - .id = 0, - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_CSPI1_OFFSET, - .disable = _clk_disable,}, - { - .name = "cspi_clk", - .id = 1, - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_CSPI2_OFFSET, - .disable = _clk_disable,}, - { - .name = "cspi_clk", - .id = 2, - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_CSPI3_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk ipg_clk = { - .name = "ipg_clk", - .parent = &ahb_clk, - .get_rate = _clk_ipg_get_rate, -}; - -static struct clk emi_clk = { - .name = "emi_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_EMI_OFFSET, - .disable = _clk_emi_disable, -}; - -static struct clk gpt_clk = { - .name = "gpt_clk", - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_GPT_OFFSET, - .disable = _clk_disable, -}; - -static struct clk pwm_clk = { - .name = "pwm_clk", - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR1_PWM_OFFSET, - .disable = _clk_disable, -}; - -static struct clk epit_clk[] = { - { - .name = "epit_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_EPIT1_OFFSET, - .disable = _clk_disable,}, - { - .name = "epit_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_EPIT2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk nfc_clk = { - .name = "nfc", - .parent = &ahb_clk, - .get_rate = _clk_nfc_get_rate, -}; - -static struct clk scc_clk = { - .name = "scc_clk", - .parent = &ipg_clk, -}; - -static struct clk ipu_clk = { - .name = "ipu_clk", - .parent = &mcu_main_clk, - .get_rate = _clk_hsp_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_IPU_OFFSET, - .disable = _clk_disable, -}; - -static struct clk kpp_clk = { - .name = "kpp_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_KPP_OFFSET, - .disable = _clk_disable, -}; - -static struct clk wdog_clk = { - .name = "wdog_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_WDOG_OFFSET, - .disable = _clk_disable, -}; -static struct clk rtc_clk = { - .name = "rtc_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_RTC_OFFSET, - .disable = _clk_disable, -}; - -static struct clk usb_clk[] = { - { - .name = "usb_clk", - .parent = &usb_pll_clk, - .get_rate = _clk_usb_get_rate,}, - { - .name = "usb_ahb_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_USBOTG_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk csi_clk = { - .name = "csi_clk", - .parent = &serial_pll_clk, - .get_rate = _clk_csi_get_rate, - .round_rate = _clk_csi_round_rate, - .set_rate = _clk_csi_set_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_CSI_OFFSET, - .disable = _clk_disable, -}; - -static struct clk uart_clk[] = { - { - .name = "uart", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_UART1_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_UART2_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart", - .id = 2, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_UART3_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart", - .id = 3, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_UART4_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart", - .id = 4, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_UART5_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk i2c_clk[] = { - { - .name = "i2c_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_I2C1_OFFSET, - .disable = _clk_disable,}, - { - .name = "i2c_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_I2C2_OFFSET, - .disable = _clk_disable,}, - { - .name = "i2c_clk", - .id = 2, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_I2C3_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk owire_clk = { - .name = "owire", - .parent = &perclk_clk, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_OWIRE_OFFSET, - .enable = _clk_enable, - .disable = _clk_disable, -}; - -static struct clk sdhc_clk[] = { - { - .name = "sdhc_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SD_MMC1_OFFSET, - .disable = _clk_disable,}, - { - .name = "sdhc_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SD_MMC2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk ssi_clk[] = { - { - .name = "ssi_clk", - .parent = &serial_pll_clk, - .get_rate = _clk_ssi1_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SSI1_OFFSET, - .disable = _clk_disable,}, - { - .name = "ssi_clk", - .id = 1, - .parent = &serial_pll_clk, - .get_rate = _clk_ssi2_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_SSI2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk firi_clk = { - .name = "firi_clk", - .parent = &usb_pll_clk, - .round_rate = _clk_firi_round_rate, - .set_rate = _clk_firi_set_rate, - .get_rate = _clk_firi_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_FIRI_OFFSET, - .disable = _clk_disable, -}; - -static struct clk ata_clk = { - .name = "ata_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_ATA_OFFSET, - .disable = _clk_disable, -}; - -static struct clk mbx_clk = { - .name = "mbx_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_GACC_OFFSET, - .get_rate = _clk_mbx_get_rate, -}; - -static struct clk vpu_clk = { - .name = "vpu_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_GACC_OFFSET, - .get_rate = _clk_mbx_get_rate, -}; - -static struct clk rtic_clk = { - .name = "rtic_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_RTIC_OFFSET, - .disable = _clk_disable, -}; - -static struct clk rng_clk = { - .name = "rng_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_RNG_OFFSET, - .disable = _clk_disable, -}; - -static struct clk sdma_clk[] = { - { - .name = "sdma_ahb_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SDMA_OFFSET, - .disable = _clk_disable,}, - { - .name = "sdma_ipg_clk", - .parent = &ipg_clk,} -}; - -static struct clk mpeg4_clk = { - .name = "mpeg4_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_HANTRO_OFFSET, - .disable = _clk_disable, -}; - -static struct clk vl2cc_clk = { - .name = "vl2cc_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_HANTRO_OFFSET, - .disable = _clk_disable, -}; - -static struct clk mstick_clk[] = { - { - .name = "mstick_clk", - .id = 0, - .parent = &usb_pll_clk, - .get_rate = _clk_mstick1_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_MEMSTICK1_OFFSET, - .disable = _clk_disable,}, - { - .name = "mstick_clk", - .id = 1, - .parent = &usb_pll_clk, - .get_rate = _clk_mstick2_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_MEMSTICK2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk iim_clk = { - .name = "iim_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_IIM_OFFSET, - .disable = _clk_disable, -}; - -static unsigned long _clk_cko1_round_rate(struct clk *clk, unsigned long rate) -{ - u32 div, parent = clk_get_rate(clk->parent); - - div = parent / rate; - if (parent % rate) - div++; - - if (div > 8) - div = 16; - else if (div > 4) - div = 8; - else if (div > 2) - div = 4; - - return parent / div; -} - -static int _clk_cko1_set_rate(struct clk *clk, unsigned long rate) -{ - u32 reg, div, parent = clk_get_rate(clk->parent); - - div = parent / rate; - - if (div == 16) - div = 4; - else if (div == 8) - div = 3; - else if (div == 4) - div = 2; - else if (div == 2) - div = 1; - else if (div == 1) - div = 0; - else - return -EINVAL; - - reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOUTDIV_MASK; - reg |= div << MXC_CCM_COSR_CLKOUTDIV_OFFSET; - __raw_writel(reg, MXC_CCM_COSR); - - return 0; -} - -static unsigned long _clk_cko1_get_rate(struct clk *clk) -{ - u32 div; - - div = __raw_readl(MXC_CCM_COSR) & MXC_CCM_COSR_CLKOUTDIV_MASK >> - MXC_CCM_COSR_CLKOUTDIV_OFFSET; - - return clk_get_rate(clk->parent) / (1 << div); -} - -static int _clk_cko1_set_parent(struct clk *clk, struct clk *parent) -{ - u32 reg; - - reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOSEL_MASK; - - if (parent == &mcu_main_clk) - reg |= 0 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ipg_clk) - reg |= 1 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &usb_pll_clk) - reg |= 2 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == mcu_main_clk.parent) - reg |= 3 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ahb_clk) - reg |= 5 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &serial_pll_clk) - reg |= 7 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ckih_clk) - reg |= 8 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &emi_clk) - reg |= 9 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ipu_clk) - reg |= 0xA << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &nfc_clk) - reg |= 0xB << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &uart_clk[0]) - reg |= 0xC << MXC_CCM_COSR_CLKOSEL_OFFSET; - else - return -EINVAL; - - __raw_writel(reg, MXC_CCM_COSR); - - return 0; -} - -static int _clk_cko1_enable(struct clk *clk) -{ - u32 reg; - - reg = __raw_readl(MXC_CCM_COSR) | MXC_CCM_COSR_CLKOEN; - __raw_writel(reg, MXC_CCM_COSR); - - return 0; -} - -static void _clk_cko1_disable(struct clk *clk) -{ - u32 reg; - - reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOEN; - __raw_writel(reg, MXC_CCM_COSR); -} + .get_rate = ahb_get_rate, +}; + +#define DEFINE_CLOCK(name, i, er, es, gr, s, p) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = er, \ + .enable_shift = es, \ + .get_rate = gr, \ + .enable = cgr_enable, \ + .disable = cgr_disable, \ + .secondary = s, \ + .parent = p, \ + } -static struct clk cko1_clk = { - .name = "cko1_clk", - .get_rate = _clk_cko1_get_rate, - .set_rate = _clk_cko1_set_rate, - .round_rate = _clk_cko1_round_rate, - .set_parent = _clk_cko1_set_parent, - .enable = _clk_cko1_enable, - .disable = _clk_cko1_disable, -}; +#define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = er, \ + .enable_shift = es, \ + .get_rate = getsetround##_get_rate, \ + .set_rate = getsetround##_set_rate, \ + .round_rate = getsetround##_round_rate, \ + .enable = cgr_enable, \ + .disable = cgr_disable, \ + .secondary = s, \ + .parent = p, \ + } -static struct clk *mxc_clks[] = { - &ckih_clk, - &ckil_clk, - &mcu_pll_clk, - &usb_pll_clk, - &serial_pll_clk, - &mcu_main_clk, - &ahb_clk, - &per_clk, - &perclk_clk, - &cko1_clk, - &emi_clk, - &cspi_clk[0], - &cspi_clk[1], - &cspi_clk[2], - &ipg_clk, - &gpt_clk, - &pwm_clk, - &wdog_clk, - &rtc_clk, - &epit_clk[0], - &epit_clk[1], - &nfc_clk, - &ipu_clk, - &kpp_clk, - &usb_clk[0], - &usb_clk[1], - &csi_clk, - &uart_clk[0], - &uart_clk[1], - &uart_clk[2], - &uart_clk[3], - &uart_clk[4], - &i2c_clk[0], - &i2c_clk[1], - &i2c_clk[2], - &owire_clk, - &sdhc_clk[0], - &sdhc_clk[1], - &ssi_clk[0], - &ssi_clk[1], - &firi_clk, - &ata_clk, - &rtic_clk, - &rng_clk, - &sdma_clk[0], - &sdma_clk[1], - &mstick_clk[0], - &mstick_clk[1], - &scc_clk, - &iim_clk, +DEFINE_CLOCK(perclk_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); + +DEFINE_CLOCK(sdhc1_clk, 0, MXC_CCM_CGR0, 0, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(sdhc2_clk, 1, MXC_CCM_CGR0, 2, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CGR0, 4, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(epit1_clk, 0, MXC_CCM_CGR0, 6, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(epit2_clk, 1, MXC_CCM_CGR0, 8, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(iim_clk, 0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, &sdma_clk1, &ahb_clk); +DEFINE_CLOCK(cspi3_clk, 2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(rng_clk, 0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CGR0, 20, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CGR0, 22, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(ssi1_clk, 0, MXC_CCM_CGR0, 24, ssi1_get_rate, NULL, &serial_pll_clk); +DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CGR0, 26, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CGR0, 28, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(i2c3_clk, 2, MXC_CCM_CGR0, 30, NULL, NULL, &perclk_clk); + +DEFINE_CLOCK(mpeg4_clk, 0, MXC_CCM_CGR1, 0, NULL, NULL, &ahb_clk); +DEFINE_CLOCK(mstick1_clk, 0, MXC_CCM_CGR1, 2, mstick1_get_rate, NULL, &usb_pll_clk); +DEFINE_CLOCK(mstick2_clk, 1, MXC_CCM_CGR1, 4, mstick2_get_rate, NULL, &usb_pll_clk); +DEFINE_CLOCK1(csi_clk, 0, MXC_CCM_CGR1, 6, csi, NULL, &ahb_clk); +DEFINE_CLOCK(rtc_clk, 0, MXC_CCM_CGR1, 8, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(wdog_clk, 0, MXC_CCM_CGR1, 10, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(pwm_clk, 0, MXC_CCM_CGR1, 12, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(usb_clk2, 0, MXC_CCM_CGR1, 18, usb_get_rate, NULL, &ahb_clk); +DEFINE_CLOCK(kpp_clk, 0, MXC_CCM_CGR1, 20, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ipu_clk, 0, MXC_CCM_CGR1, 22, hsp_get_rate, NULL, &mcu_main_clk); +DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CGR1, 24, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CGR1, 26, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CGR1, 28, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(owire_clk, 0, MXC_CCM_CGR1, 30, NULL, NULL, &perclk_clk); + +DEFINE_CLOCK(ssi2_clk, 1, MXC_CCM_CGR2, 0, ssi2_get_rate, NULL, &serial_pll_clk); +DEFINE_CLOCK(cspi1_clk, 0, MXC_CCM_CGR2, 2, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(cspi2_clk, 1, MXC_CCM_CGR2, 4, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(mbx_clk, 0, MXC_CCM_CGR2, 6, mbx_get_rate, NULL, &ahb_clk); +DEFINE_CLOCK(emi_clk, 0, MXC_CCM_CGR2, 8, NULL, NULL, &ahb_clk); +DEFINE_CLOCK(rtic_clk, 0, MXC_CCM_CGR2, 10, NULL, NULL, &ahb_clk); +DEFINE_CLOCK1(firi_clk, 0, MXC_CCM_CGR2, 12, firi, NULL, &usb_pll_clk); + +DEFINE_CLOCK(sdma_clk2, 0, NULL, 0, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(usb_clk1, 0, NULL, 0, usb_get_rate, NULL, &usb_pll_clk); +DEFINE_CLOCK(nfc_clk, 0, NULL, 0, nfc_get_rate, NULL, &ahb_clk); +DEFINE_CLOCK(scc_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk); + +#define _REGISTER_CLOCK(d, n, c) \ + { \ + .dev_id = d, \ + .con_id = n, \ + .clk = &c, \ + }, + +static struct clk_lookup lookups[] __initdata = { + _REGISTER_CLOCK(NULL, "emi", emi_clk) + _REGISTER_CLOCK(NULL, "cspi", cspi1_clk) + _REGISTER_CLOCK(NULL, "cspi", cspi2_clk) + _REGISTER_CLOCK(NULL, "cspi", cspi3_clk) + _REGISTER_CLOCK(NULL, "gpt", gpt_clk) + _REGISTER_CLOCK(NULL, "pwm", pwm_clk) + _REGISTER_CLOCK(NULL, "wdog", wdog_clk) + _REGISTER_CLOCK(NULL, "rtc", rtc_clk) + _REGISTER_CLOCK(NULL, "epit", epit1_clk) + _REGISTER_CLOCK(NULL, "epit", epit2_clk) + _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) + _REGISTER_CLOCK("ipu-core", NULL, ipu_clk) + _REGISTER_CLOCK("mx3_sdc_fb", NULL, ipu_clk) + _REGISTER_CLOCK(NULL, "kpp", kpp_clk) + _REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk1) + _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk2) + _REGISTER_CLOCK("mx3-camera.0", "csi", csi_clk) + _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) + _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) + _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) + _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk) + _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) + _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) + _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk) + _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk) + _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk) + _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi1_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi2_clk) + _REGISTER_CLOCK(NULL, "firi", firi_clk) + _REGISTER_CLOCK(NULL, "ata", ata_clk) + _REGISTER_CLOCK(NULL, "rtic", rtic_clk) + _REGISTER_CLOCK(NULL, "rng", rng_clk) + _REGISTER_CLOCK(NULL, "sdma_ahb", sdma_clk1) + _REGISTER_CLOCK(NULL, "sdma_ipg", sdma_clk2) + _REGISTER_CLOCK(NULL, "mstick", mstick1_clk) + _REGISTER_CLOCK(NULL, "mstick", mstick2_clk) + _REGISTER_CLOCK(NULL, "scc", scc_clk) + _REGISTER_CLOCK(NULL, "iim", iim_clk) + _REGISTER_CLOCK(NULL, "mpeg4", mpeg4_clk) + _REGISTER_CLOCK(NULL, "mbx", mbx_clk) }; int __init mx31_clocks_init(unsigned long fref) { u32 reg; - struct clk **clkp; + int i; mxc_set_cpu_type(MXC_CPU_MX31); ckih_rate = fref; - for (clkp = mxc_clks; clkp < mxc_clks + ARRAY_SIZE(mxc_clks); clkp++) - clk_register(*clkp); - - if (cpu_is_mx31()) { - clk_register(&mpeg4_clk); - clk_register(&mbx_clk); - } else { - clk_register(&vpu_clk); - clk_register(&vl2cc_clk); - } + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); /* Turn off all possible clocks */ - __raw_writel(MXC_CCM_CGR0_GPT_MASK, MXC_CCM_CGR0); + __raw_writel((3 << 4), MXC_CCM_CGR0); __raw_writel(0, MXC_CCM_CGR1); - - __raw_writel(MXC_CCM_CGR2_EMI_MASK | - MXC_CCM_CGR2_IPMUX1_MASK | - MXC_CCM_CGR2_IPMUX2_MASK | - MXC_CCM_CGR2_MXCCLKENSEL_MASK | /* for MX32 */ - MXC_CCM_CGR2_CHIKCAMPEN_MASK | /* for MX32 */ - MXC_CCM_CGR2_OVRVPUBUSY_MASK | /* for MX32 */ + __raw_writel((3 << 8) | (3 << 14) | (3 << 16)| 1 << 27 | 1 << 28, /* Bit 27 and 28 are not defined for MX32, but still required to be set */ MXC_CCM_CGR2); - clk_disable(&cko1_clk); - clk_disable(&usb_pll_clk); + usb_pll_disable(&usb_pll_clk); pr_info("Clock input source is %ld\n", clk_get_rate(&ckih_clk)); diff --git a/arch/arm/mach-mx3/crm_regs.h b/arch/arm/mach-mx3/crm_regs.h index 4a0e0ede23b..adfa3627ad8 100644 --- a/arch/arm/mach-mx3/crm_regs.h +++ b/arch/arm/mach-mx3/crm_regs.h @@ -91,47 +91,6 @@ #define MXC_CCM_PDR0_MCU_PODF_OFFSET 0 #define MXC_CCM_PDR0_MCU_PODF_MASK 0x7 -#define MXC_CCM_PDR0_HSP_DIV_1 (0x0 << 11) -#define MXC_CCM_PDR0_HSP_DIV_2 (0x1 << 11) -#define MXC_CCM_PDR0_HSP_DIV_3 (0x2 << 11) -#define MXC_CCM_PDR0_HSP_DIV_4 (0x3 << 11) -#define MXC_CCM_PDR0_HSP_DIV_5 (0x4 << 11) -#define MXC_CCM_PDR0_HSP_DIV_6 (0x5 << 11) -#define MXC_CCM_PDR0_HSP_DIV_7 (0x6 << 11) -#define MXC_CCM_PDR0_HSP_DIV_8 (0x7 << 11) - -#define MXC_CCM_PDR0_IPG_DIV_1 (0x0 << 6) -#define MXC_CCM_PDR0_IPG_DIV_2 (0x1 << 6) -#define MXC_CCM_PDR0_IPG_DIV_3 (0x2 << 6) -#define MXC_CCM_PDR0_IPG_DIV_4 (0x3 << 6) - -#define MXC_CCM_PDR0_MAX_DIV_1 (0x0 << 3) -#define MXC_CCM_PDR0_MAX_DIV_2 (0x1 << 3) -#define MXC_CCM_PDR0_MAX_DIV_3 (0x2 << 3) -#define MXC_CCM_PDR0_MAX_DIV_4 (0x3 << 3) -#define MXC_CCM_PDR0_MAX_DIV_5 (0x4 << 3) -#define MXC_CCM_PDR0_MAX_DIV_6 (0x5 << 3) -#define MXC_CCM_PDR0_MAX_DIV_7 (0x6 << 3) -#define MXC_CCM_PDR0_MAX_DIV_8 (0x7 << 3) - -#define MXC_CCM_PDR0_NFC_DIV_1 (0x0 << 8) -#define MXC_CCM_PDR0_NFC_DIV_2 (0x1 << 8) -#define MXC_CCM_PDR0_NFC_DIV_3 (0x2 << 8) -#define MXC_CCM_PDR0_NFC_DIV_4 (0x3 << 8) -#define MXC_CCM_PDR0_NFC_DIV_5 (0x4 << 8) -#define MXC_CCM_PDR0_NFC_DIV_6 (0x5 << 8) -#define MXC_CCM_PDR0_NFC_DIV_7 (0x6 << 8) -#define MXC_CCM_PDR0_NFC_DIV_8 (0x7 << 8) - -#define MXC_CCM_PDR0_MCU_DIV_1 0x0 -#define MXC_CCM_PDR0_MCU_DIV_2 0x1 -#define MXC_CCM_PDR0_MCU_DIV_3 0x2 -#define MXC_CCM_PDR0_MCU_DIV_4 0x3 -#define MXC_CCM_PDR0_MCU_DIV_5 0x4 -#define MXC_CCM_PDR0_MCU_DIV_6 0x5 -#define MXC_CCM_PDR0_MCU_DIV_7 0x6 -#define MXC_CCM_PDR0_MCU_DIV_8 0x7 - #define MXC_CCM_PDR1_USB_PRDF_OFFSET 30 #define MXC_CCM_PDR1_USB_PRDF_MASK (0x3 << 30) #define MXC_CCM_PDR1_USB_PODF_OFFSET 27 @@ -152,118 +111,6 @@ /* Bit definitions for RCSR */ #define MXC_CCM_RCSR_NF16B 0x80000000 -/* Bit definitions for both MCU, USB and SR PLL control registers */ -#define MXC_CCM_PCTL_BRM 0x80000000 -#define MXC_CCM_PCTL_PD_OFFSET 26 -#define MXC_CCM_PCTL_PD_MASK (0xF << 26) -#define MXC_CCM_PCTL_MFD_OFFSET 16 -#define MXC_CCM_PCTL_MFD_MASK (0x3FF << 16) -#define MXC_CCM_PCTL_MFI_OFFSET 10 -#define MXC_CCM_PCTL_MFI_MASK (0xF << 10) -#define MXC_CCM_PCTL_MFN_OFFSET 0 -#define MXC_CCM_PCTL_MFN_MASK 0x3FF - -#define MXC_CCM_CGR0_SD_MMC1_OFFSET 0 -#define MXC_CCM_CGR0_SD_MMC1_MASK (0x3 << 0) -#define MXC_CCM_CGR0_SD_MMC2_OFFSET 2 -#define MXC_CCM_CGR0_SD_MMC2_MASK (0x3 << 2) -#define MXC_CCM_CGR0_GPT_OFFSET 4 -#define MXC_CCM_CGR0_GPT_MASK (0x3 << 4) -#define MXC_CCM_CGR0_EPIT1_OFFSET 6 -#define MXC_CCM_CGR0_EPIT1_MASK (0x3 << 6) -#define MXC_CCM_CGR0_EPIT2_OFFSET 8 -#define MXC_CCM_CGR0_EPIT2_MASK (0x3 << 8) -#define MXC_CCM_CGR0_IIM_OFFSET 10 -#define MXC_CCM_CGR0_IIM_MASK (0x3 << 10) -#define MXC_CCM_CGR0_ATA_OFFSET 12 -#define MXC_CCM_CGR0_ATA_MASK (0x3 << 12) -#define MXC_CCM_CGR0_SDMA_OFFSET 14 -#define MXC_CCM_CGR0_SDMA_MASK (0x3 << 14) -#define MXC_CCM_CGR0_CSPI3_OFFSET 16 -#define MXC_CCM_CGR0_CSPI3_MASK (0x3 << 16) -#define MXC_CCM_CGR0_RNG_OFFSET 18 -#define MXC_CCM_CGR0_RNG_MASK (0x3 << 18) -#define MXC_CCM_CGR0_UART1_OFFSET 20 -#define MXC_CCM_CGR0_UART1_MASK (0x3 << 20) -#define MXC_CCM_CGR0_UART2_OFFSET 22 -#define MXC_CCM_CGR0_UART2_MASK (0x3 << 22) -#define MXC_CCM_CGR0_SSI1_OFFSET 24 -#define MXC_CCM_CGR0_SSI1_MASK (0x3 << 24) -#define MXC_CCM_CGR0_I2C1_OFFSET 26 -#define MXC_CCM_CGR0_I2C1_MASK (0x3 << 26) -#define MXC_CCM_CGR0_I2C2_OFFSET 28 -#define MXC_CCM_CGR0_I2C2_MASK (0x3 << 28) -#define MXC_CCM_CGR0_I2C3_OFFSET 30 -#define MXC_CCM_CGR0_I2C3_MASK (0x3 << 30) - -#define MXC_CCM_CGR1_HANTRO_OFFSET 0 -#define MXC_CCM_CGR1_HANTRO_MASK (0x3 << 0) -#define MXC_CCM_CGR1_MEMSTICK1_OFFSET 2 -#define MXC_CCM_CGR1_MEMSTICK1_MASK (0x3 << 2) -#define MXC_CCM_CGR1_MEMSTICK2_OFFSET 4 -#define MXC_CCM_CGR1_MEMSTICK2_MASK (0x3 << 4) -#define MXC_CCM_CGR1_CSI_OFFSET 6 -#define MXC_CCM_CGR1_CSI_MASK (0x3 << 6) -#define MXC_CCM_CGR1_RTC_OFFSET 8 -#define MXC_CCM_CGR1_RTC_MASK (0x3 << 8) -#define MXC_CCM_CGR1_WDOG_OFFSET 10 -#define MXC_CCM_CGR1_WDOG_MASK (0x3 << 10) -#define MXC_CCM_CGR1_PWM_OFFSET 12 -#define MXC_CCM_CGR1_PWM_MASK (0x3 << 12) -#define MXC_CCM_CGR1_SIM_OFFSET 14 -#define MXC_CCM_CGR1_SIM_MASK (0x3 << 14) -#define MXC_CCM_CGR1_ECT_OFFSET 16 -#define MXC_CCM_CGR1_ECT_MASK (0x3 << 16) -#define MXC_CCM_CGR1_USBOTG_OFFSET 18 -#define MXC_CCM_CGR1_USBOTG_MASK (0x3 << 18) -#define MXC_CCM_CGR1_KPP_OFFSET 20 -#define MXC_CCM_CGR1_KPP_MASK (0x3 << 20) -#define MXC_CCM_CGR1_IPU_OFFSET 22 -#define MXC_CCM_CGR1_IPU_MASK (0x3 << 22) -#define MXC_CCM_CGR1_UART3_OFFSET 24 -#define MXC_CCM_CGR1_UART3_MASK (0x3 << 24) -#define MXC_CCM_CGR1_UART4_OFFSET 26 -#define MXC_CCM_CGR1_UART4_MASK (0x3 << 26) -#define MXC_CCM_CGR1_UART5_OFFSET 28 -#define MXC_CCM_CGR1_UART5_MASK (0x3 << 28) -#define MXC_CCM_CGR1_OWIRE_OFFSET 30 -#define MXC_CCM_CGR1_OWIRE_MASK (0x3 << 30) - -#define MXC_CCM_CGR2_SSI2_OFFSET 0 -#define MXC_CCM_CGR2_SSI2_MASK (0x3 << 0) -#define MXC_CCM_CGR2_CSPI1_OFFSET 2 -#define MXC_CCM_CGR2_CSPI1_MASK (0x3 << 2) -#define MXC_CCM_CGR2_CSPI2_OFFSET 4 -#define MXC_CCM_CGR2_CSPI2_MASK (0x3 << 4) -#define MXC_CCM_CGR2_GACC_OFFSET 6 -#define MXC_CCM_CGR2_GACC_MASK (0x3 << 6) -#define MXC_CCM_CGR2_EMI_OFFSET 8 -#define MXC_CCM_CGR2_EMI_MASK (0x3 << 8) -#define MXC_CCM_CGR2_RTIC_OFFSET 10 -#define MXC_CCM_CGR2_RTIC_MASK (0x3 << 10) -#define MXC_CCM_CGR2_FIRI_OFFSET 12 -#define MXC_CCM_CGR2_FIRI_MASK (0x3 << 12) -#define MXC_CCM_CGR2_IPMUX1_OFFSET 14 -#define MXC_CCM_CGR2_IPMUX1_MASK (0x3 << 14) -#define MXC_CCM_CGR2_IPMUX2_OFFSET 16 -#define MXC_CCM_CGR2_IPMUX2_MASK (0x3 << 16) - -/* These new CGR2 bits are added in MX32 */ -#define MXC_CCM_CGR2_APMSYSCLKSEL_OFFSET 18 -#define MXC_CCM_CGR2_APMSYSCLKSEL_MASK (0x3 << 18) -#define MXC_CCM_CGR2_APMSSICLKSEL_OFFSET 20 -#define MXC_CCM_CGR2_APMSSICLKSEL_MASK (0x3 << 20) -#define MXC_CCM_CGR2_APMPERCLKSEL_OFFSET 22 -#define MXC_CCM_CGR2_APMPERCLKSEL_MASK (0x3 << 22) -#define MXC_CCM_CGR2_MXCCLKENSEL_OFFSET 24 -#define MXC_CCM_CGR2_MXCCLKENSEL_MASK (0x1 << 24) -#define MXC_CCM_CGR2_CHIKCAMPEN_OFFSET 25 -#define MXC_CCM_CGR2_CHIKCAMPEN_MASK (0x1 << 25) -#define MXC_CCM_CGR2_OVRVPUBUSY_OFFSET 26 -#define MXC_CCM_CGR2_OVRVPUBUSY_MASK (0x1 << 26) -#define MXC_CCM_CGR2_APMENA_OFFSET 30 -#define MXC_CCM_CGR2_AOMENA_MASK (0x1 << 30) - /* * LTR0 register offsets */ diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index ed5ab8ed7cf..17d0e9906d5 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -22,6 +22,7 @@ config ARCH_MX2 config ARCH_MX3 bool "MX3-based" select CPU_V6 + select COMMON_CLKDEV help This enables support for systems based on the Freescale i.MX3 family diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index ae50a9d1a4e..da781d10789 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1649,7 +1649,7 @@ static int ipu_probe(struct platform_device *pdev) } /* Get IPU clock */ - ipu_data.ipu_clk = clk_get(&pdev->dev, "ipu_clk"); + ipu_data.ipu_clk = clk_get(&pdev->dev, NULL); if (IS_ERR(ipu_data.ipu_clk)) { ret = PTR_ERR(ipu_data.ipu_clk); goto err_clk_get; diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index 8a75d05f433..0c27961e47f 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -493,7 +493,7 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, */ dev_dbg(mx3fb->dev, "pixel clk = %d\n", pixel_clk); - ipu_clk = clk_get(mx3fb->dev, "ipu_clk"); + ipu_clk = clk_get(mx3fb->dev, NULL); div = clk_get_rate(ipu_clk) * 16 / pixel_clk; clk_put(ipu_clk);