diff options
Diffstat (limited to 'arch/arm/mach-shmobile/clock-r8a7740.c')
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7740.c | 310 |
1 files changed, 237 insertions, 73 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c index 26eea5f2105..50931e3c97c 100644 --- a/arch/arm/mach-shmobile/clock-r8a7740.c +++ b/arch/arm/mach-shmobile/clock-r8a7740.c @@ -22,6 +22,7 @@ #include <linux/io.h> #include <linux/sh_clk.h> #include <linux/clkdev.h> +#include <mach/clock.h> #include <mach/common.h> #include <mach/r8a7740.h> @@ -41,24 +42,32 @@ */ /* CPG registers */ -#define FRQCRA 0xe6150000 -#define FRQCRB 0xe6150004 -#define FRQCRC 0xe61500e0 -#define PLLC01CR 0xe6150028 - -#define SUBCKCR 0xe6150080 -#define USBCKCR 0xe615008c - -#define MSTPSR0 0xe6150030 -#define MSTPSR1 0xe6150038 -#define MSTPSR2 0xe6150040 -#define MSTPSR3 0xe6150048 -#define MSTPSR4 0xe615004c -#define SMSTPCR0 0xe6150130 -#define SMSTPCR1 0xe6150134 -#define SMSTPCR2 0xe6150138 -#define SMSTPCR3 0xe615013c -#define SMSTPCR4 0xe6150140 +#define FRQCRA IOMEM(0xe6150000) +#define FRQCRB IOMEM(0xe6150004) +#define VCLKCR1 IOMEM(0xE6150008) +#define VCLKCR2 IOMEM(0xE615000c) +#define FRQCRC IOMEM(0xe61500e0) +#define FSIACKCR IOMEM(0xe6150018) +#define PLLC01CR IOMEM(0xe6150028) + +#define SUBCKCR IOMEM(0xe6150080) +#define USBCKCR IOMEM(0xe615008c) + +#define MSTPSR0 IOMEM(0xe6150030) +#define MSTPSR1 IOMEM(0xe6150038) +#define MSTPSR2 IOMEM(0xe6150040) +#define MSTPSR3 IOMEM(0xe6150048) +#define MSTPSR4 IOMEM(0xe615004c) +#define FSIBCKCR IOMEM(0xe6150090) +#define HDMICKCR IOMEM(0xe6150094) +#define SMSTPCR0 IOMEM(0xe6150130) +#define SMSTPCR1 IOMEM(0xe6150134) +#define SMSTPCR2 IOMEM(0xe6150138) +#define SMSTPCR3 IOMEM(0xe615013c) +#define SMSTPCR4 IOMEM(0xe6150140) + +#define FSIDIVA IOMEM(0xFE1F8000) +#define FSIDIVB IOMEM(0xFE1F8008) /* Fixed 32 KHz root clock from EXTALR pin */ static struct clk extalr_clk = { @@ -89,42 +98,13 @@ static struct clk dv_clk = { .rate = 27000000, }; -static unsigned long div_recalc(struct clk *clk) -{ - return clk->parent->rate / (int)(clk->priv); -} +SH_CLK_RATIO(div2, 1, 2); +SH_CLK_RATIO(div1k, 1, 1024); -static struct sh_clk_ops div_clk_ops = { - .recalc = div_recalc, -}; - -/* extal1 / 2 */ -static struct clk extal1_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &extal1_clk, -}; - -/* extal1 / 1024 */ -static struct clk extal1_div1024_clk = { - .ops = &div_clk_ops, - .priv = (void *)1024, - .parent = &extal1_clk, -}; - -/* extal1 / 2 / 1024 */ -static struct clk extal1_div2048_clk = { - .ops = &div_clk_ops, - .priv = (void *)1024, - .parent = &extal1_div2_clk, -}; - -/* extal2 / 2 */ -static struct clk extal2_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &extal2_clk, -}; +SH_FIXED_RATIO_CLK(extal1_div2_clk, extal1_clk, div2); +SH_FIXED_RATIO_CLK(extal1_div1024_clk, extal1_clk, div1k); +SH_FIXED_RATIO_CLK(extal1_div2048_clk, extal1_div2_clk, div1k); +SH_FIXED_RATIO_CLK(extal2_div2_clk, extal2_clk, div2); static struct sh_clk_ops followparent_clk_ops = { .recalc = followparent_recalc, @@ -135,11 +115,7 @@ static struct clk system_clk = { .ops = &followparent_clk_ops, }; -static struct clk system_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &system_clk, -}; +SH_FIXED_RATIO_CLK(system_div2_clk, system_clk, div2); /* r_clk */ static struct clk r_clk = { @@ -176,13 +152,25 @@ static struct clk pllc1_clk = { }; /* PLLC1 / 2 */ -static struct clk pllc1_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &pllc1_clk, -}; +SH_FIXED_RATIO_CLK(pllc1_div2_clk, pllc1_clk, div2); /* USB clock */ +/* + * USBCKCR is controlling usb24 clock + * bit[7] : parent clock + * bit[6] : clock divide rate + * And this bit[7] is used as a "usb24s" from other devices. + * (Video clock / Sub clock / SPU clock) + * You can controll this clock as a below. + * + * struct clk *usb24 = clk_get(dev, "usb24"); + * struct clk *usb24s = clk_get(NULL, "usb24s"); + * struct clk *system = clk_get(NULL, "system_clk"); + * int rate = clk_get_rate(system); + * + * clk_set_parent(usb24s, system); // for bit[7] + * clk_set_rate(usb24, rate / 2); // for bit[6] + */ static struct clk *usb24s_parents[] = { [0] = &system_clk, [1] = &extal2_clk @@ -271,7 +259,14 @@ static struct clk usb24_clk = { .parent = &usb24s_clk, }; -struct clk *main_clks[] = { +/* External FSIACK/FSIBCK clock */ +static struct clk fsiack_clk = { +}; + +static struct clk fsibck_clk = { +}; + +static struct clk *main_clks[] = { &extalr_clk, &extal1_clk, &extal2_clk, @@ -288,8 +283,11 @@ struct clk *main_clks[] = { &pllc1_div2_clk, &usb24s_clk, &usb24_clk, + &fsiack_clk, + &fsibck_clk, }; +/* DIV4 clocks */ static void div4_kick(struct clk *clk) { unsigned long value; @@ -319,7 +317,7 @@ enum { DIV4_NR }; -struct clk div4_clks[DIV4_NR] = { +static struct clk div4_clks[DIV4_NR] = { [DIV4_I] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), [DIV4_ZG] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), [DIV4_B] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), @@ -333,6 +331,52 @@ struct clk div4_clks[DIV4_NR] = { [DIV4_CP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 0, 0x6fff, 0), }; +/* DIV6 reparent */ +enum { + DIV6_HDMI, + DIV6_VCLK1, DIV6_VCLK2, + DIV6_FSIA, DIV6_FSIB, + DIV6_REPARENT_NR, +}; + +static struct clk *hdmi_parent[] = { + [0] = &pllc1_div2_clk, + [1] = &system_clk, + [2] = &dv_clk +}; + +static struct clk *vclk_parents[8] = { + [0] = &pllc1_div2_clk, + [2] = &dv_clk, + [3] = &usb24s_clk, + [4] = &extal1_div2_clk, + [5] = &extalr_clk, +}; + +static struct clk *fsia_parents[] = { + [0] = &pllc1_div2_clk, + [1] = &fsiack_clk, /* external clock */ +}; + +static struct clk *fsib_parents[] = { + [0] = &pllc1_div2_clk, + [1] = &fsibck_clk, /* external clock */ +}; + +static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { + [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0, + hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2), + [DIV6_VCLK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0, + vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3), + [DIV6_VCLK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0, + vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3), + [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0, + fsia_parents, ARRAY_SIZE(fsia_parents), 6, 2), + [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0, + fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2), +}; + +/* DIV6 clocks */ enum { DIV6_SUB, DIV6_NR @@ -342,17 +386,82 @@ static struct clk div6_clks[DIV6_NR] = { [DIV6_SUB] = SH_CLK_DIV6(&pllc1_div2_clk, SUBCKCR, 0), }; +/* HDMI1/2 clock */ +static unsigned long hdmi12_recalc(struct clk *clk) +{ + u32 val = __raw_readl(HDMICKCR); + int shift = (int)clk->priv; + + val >>= shift; + val &= 0x3; + + return clk->parent->rate / (1 << val); +}; + +static int hdmi12_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val, mask; + int i, shift; + + for (i = 0; i < 3; i++) + if (rate == clk->parent->rate / (1 << i)) + goto find; + return -ENODEV; + +find: + shift = (int)clk->priv; + + val = __raw_readl(HDMICKCR); + mask = ~(0x3 << shift); + val = (val & mask) | i << shift; + __raw_writel(val, HDMICKCR); + + return 0; +}; + +static struct sh_clk_ops hdmi12_clk_ops = { + .recalc = hdmi12_recalc, + .set_rate = hdmi12_set_rate, +}; + +static struct clk hdmi1_clk = { + .ops = &hdmi12_clk_ops, + .priv = (void *)9, + .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */ +}; + +static struct clk hdmi2_clk = { + .ops = &hdmi12_clk_ops, + .priv = (void *)11, + .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */ +}; + +static struct clk *late_main_clks[] = { + &hdmi1_clk, + &hdmi2_clk, +}; + +/* FSI DIV */ +enum { FSIDIV_A, FSIDIV_B, FSIDIV_REPARENT_NR }; + +static struct clk fsidivs[] = { + [FSIDIV_A] = SH_CLK_FSIDIV(FSIDIVA, &div6_reparent_clks[DIV6_FSIA]), + [FSIDIV_B] = SH_CLK_FSIDIV(FSIDIVB, &div6_reparent_clks[DIV6_FSIB]), +}; + +/* MSTP */ enum { - MSTP125, + MSTP128, MSTP127, MSTP125, MSTP116, MSTP111, MSTP100, MSTP117, MSTP230, MSTP222, + MSTP218, MSTP217, MSTP216, MSTP214, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP329, MSTP328, MSTP323, MSTP320, MSTP314, MSTP313, MSTP312, - MSTP309, + MSTP309, MSTP304, MSTP416, MSTP415, MSTP407, MSTP406, @@ -360,6 +469,8 @@ enum { }; static struct clk mstp_clks[MSTP_NR] = { + [MSTP128] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 28, 0), /* CEU21 */ + [MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 27, 0), /* CEU20 */ [MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */ [MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ [MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ @@ -368,6 +479,10 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */ [MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */ + [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */ + [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */ + [MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */ + [MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */ [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ [MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ @@ -384,6 +499,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP313] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */ [MSTP309] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 9, 0), /* GEther */ + [MSTP304] = SH_CLK_MSTP32(&div4_clks[DIV4_CP], SMSTPCR3, 4, 0), /* TPU0 */ [MSTP416] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 16, 0), /* USBHOST */ [MSTP415] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */ @@ -408,6 +524,12 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), CLKDEV_CON_ID("usb24s", &usb24s_clk), + CLKDEV_CON_ID("hdmi1", &hdmi1_clk), + CLKDEV_CON_ID("hdmi2", &hdmi2_clk), + CLKDEV_CON_ID("video1", &div6_reparent_clks[DIV6_VCLK1]), + CLKDEV_CON_ID("video2", &div6_reparent_clks[DIV6_VCLK2]), + CLKDEV_CON_ID("fsiack", &fsiack_clk), + CLKDEV_CON_ID("fsibck", &fsibck_clk), /* DIV4 clocks */ CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), @@ -426,39 +548,71 @@ static struct clk_lookup lookups[] = { /* MSTP32 clocks */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), - CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP111]), CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), + CLKDEV_DEV_ID("fff20000.i2c", &mstp_clks[MSTP116]), CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), - CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), + CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), + CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP128]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), + CLKDEV_DEV_ID("e6c80000.sci", &mstp_clks[MSTP200]), CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), + CLKDEV_DEV_ID("e6c70000.sci", &mstp_clks[MSTP201]), CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), + CLKDEV_DEV_ID("e6c60000.sci", &mstp_clks[MSTP202]), CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), + CLKDEV_DEV_ID("e6c50000.sci", &mstp_clks[MSTP203]), CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), + CLKDEV_DEV_ID("e6c40000.sci", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), + CLKDEV_DEV_ID("e6c30000.sci", &mstp_clks[MSTP206]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), - + CLKDEV_DEV_ID("e6cb0000.sci", &mstp_clks[MSTP207]), + CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), + CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), + CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]), + CLKDEV_DEV_ID("e6cd0000.sci", &mstp_clks[MSTP222]), CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]), + CLKDEV_DEV_ID("e6cc0000.sci", &mstp_clks[MSTP230]), - CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), + CLKDEV_DEV_ID("fe1f0000.sound", &mstp_clks[MSTP328]), CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), + CLKDEV_DEV_ID("e6c20000.i2c", &mstp_clks[MSTP323]), CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP320]), CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), + CLKDEV_DEV_ID("e6850000.sd", &mstp_clks[MSTP314]), CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), + CLKDEV_DEV_ID("e6860000.sd", &mstp_clks[MSTP313]), CLKDEV_DEV_ID("sh_mmcif", &mstp_clks[MSTP312]), - CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP309]), + CLKDEV_DEV_ID("e6bd0000.mmc", &mstp_clks[MSTP312]), + CLKDEV_DEV_ID("r8a7740-gether", &mstp_clks[MSTP309]), + CLKDEV_DEV_ID("e9a00000.ethernet", &mstp_clks[MSTP309]), + CLKDEV_DEV_ID("renesas-tpu-pwm", &mstp_clks[MSTP304]), + CLKDEV_DEV_ID("e6600000.pwm", &mstp_clks[MSTP304]), CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), + CLKDEV_DEV_ID("e6870000.sd", &mstp_clks[MSTP415]), /* ICK */ + CLKDEV_ICK_ID("fck", "sh-tmu.1", &mstp_clks[MSTP111]), + CLKDEV_ICK_ID("fck", "sh-tmu.0", &mstp_clks[MSTP125]), + CLKDEV_ICK_ID("fck", "sh-cmt-48.1", &mstp_clks[MSTP329]), CLKDEV_ICK_ID("host", "renesas_usbhs", &mstp_clks[MSTP416]), CLKDEV_ICK_ID("func", "renesas_usbhs", &mstp_clks[MSTP407]), CLKDEV_ICK_ID("phy", "renesas_usbhs", &mstp_clks[MSTP406]), CLKDEV_ICK_ID("pci", "renesas_usbhs", &div4_clks[DIV4_USBP]), CLKDEV_ICK_ID("usb24", "renesas_usbhs", &usb24_clk), + CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), + + CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]), + CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]), + CLKDEV_ICK_ID("diva", "sh_fsi2", &fsidivs[FSIDIV_A]), + CLKDEV_ICK_ID("divb", "sh_fsi2", &fsidivs[FSIDIV_B]), + CLKDEV_ICK_ID("xcka", "sh_fsi2", &fsiack_clk), + CLKDEV_ICK_ID("xckb", "sh_fsi2", &fsibck_clk), }; void __init r8a7740_clock_init(u8 md_ck) @@ -495,7 +649,17 @@ void __init r8a7740_clock_init(u8 md_ck) ret = sh_clk_div6_register(div6_clks, DIV6_NR); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_div6_reparent_register(div6_reparent_clks, + DIV6_REPARENT_NR); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) + ret = clk_register(late_main_clks[k]); + + if (!ret) + ret = sh_clk_fsidiv_register(fsidivs, FSIDIV_REPARENT_NR); clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
