diff options
| -rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-mackerel.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7740.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7779.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/clock-sh7372.c | 94 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/r8a7779.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/sh7372.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/pfc-r8a7779.c | 16 | ||||
| -rw-r--r-- | drivers/sh/clk/cpg.c | 86 | ||||
| -rw-r--r-- | include/linux/sh_clk.h | 9 |
10 files changed, 159 insertions, 95 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 790dc68c431..cefdd030361 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -728,7 +728,7 @@ fsia_ick_out: static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable) { struct clk *fsib_clk; - struct clk *fdiv_clk = &sh7372_fsidivb_clk; + struct clk *fdiv_clk = clk_get(NULL, "fsidivb"); long fsib_rate = 0; long fdiv_rate = 0; int ackmd_bpfmd; diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 0c27c810cf9..c826d77ab8a 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -882,7 +882,7 @@ static int __fsi_set_round_rate(struct clk *clk, long rate, int enable) static int fsi_b_set_rate(struct device *dev, int rate, int enable) { struct clk *fsib_clk; - struct clk *fdiv_clk = &sh7372_fsidivb_clk; + struct clk *fdiv_clk = clk_get(NULL, "fsidivb"); long fsib_rate = 0; long fdiv_rate = 0; int ackmd_bpfmd; diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c index 6729e003218..eac49d59782 100644 --- a/arch/arm/mach-shmobile/clock-r8a7740.c +++ b/arch/arm/mach-shmobile/clock-r8a7740.c @@ -65,6 +65,9 @@ #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 = { .rate = 32768, @@ -188,6 +191,22 @@ static struct clk pllc1_div2_clk = { }; /* 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 @@ -427,6 +446,14 @@ static struct clk *late_main_clks[] = { &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 { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP, @@ -596,6 +623,10 @@ static struct clk_lookup lookups[] = { 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) @@ -641,6 +672,9 @@ void __init r8a7740_clock_init(u8 md_ck) 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)); if (!ret) diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index e48509b938c..c019609da66 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -87,6 +87,7 @@ static struct clk div4_clks[DIV4_NR] = { }; enum { MSTP323, MSTP322, MSTP321, MSTP320, + MSTP101, MSTP100, MSTP030, MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, MSTP016, MSTP015, MSTP014, @@ -98,6 +99,8 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP322] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 22, 0), /* SDHI1 */ [MSTP321] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 21, 0), /* SDHI2 */ [MSTP320] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 20, 0), /* SDHI3 */ + [MSTP101] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 1, 0), /* USB2 */ + [MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 0, 0), /* USB0/1 */ [MSTP030] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 30, 0), /* I2C0 */ [MSTP029] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 29, 0), /* I2C1 */ [MSTP028] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 28, 0), /* I2C2 */ @@ -153,6 +156,10 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]), /* MSTP32 clocks */ + CLKDEV_DEV_ID("ehci-platform.1", &mstp_clks[MSTP101]), /* USB EHCI port2 */ + CLKDEV_DEV_ID("ohci-platform.1", &mstp_clks[MSTP101]), /* USB OHCI port2 */ + CLKDEV_DEV_ID("ehci-platform.0", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */ + CLKDEV_DEV_ID("ohci-platform.0", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */ CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */ CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP016]), /* TMU01 */ CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */ diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 430a90ffa12..4d57e342537 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -420,87 +420,11 @@ static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { }; /* FSI DIV */ -static unsigned long fsidiv_recalc(struct clk *clk) -{ - unsigned long value; - - value = __raw_readl(clk->mapping->base); - - value >>= 16; - if (value < 2) - return 0; - - return clk->parent->rate / value; -} - -static long fsidiv_round_rate(struct clk *clk, unsigned long rate) -{ - return clk_rate_div_range_round(clk, 2, 0xffff, rate); -} - -static void fsidiv_disable(struct clk *clk) -{ - __raw_writel(0, clk->mapping->base); -} - -static int fsidiv_enable(struct clk *clk) -{ - unsigned long value; - - value = __raw_readl(clk->mapping->base) >> 16; - if (value < 2) - return -EIO; - - __raw_writel((value << 16) | 0x3, clk->mapping->base); - - return 0; -} +enum { FSIDIV_A, FSIDIV_B, FSIDIV_REPARENT_NR }; -static int fsidiv_set_rate(struct clk *clk, unsigned long rate) -{ - int idx; - - idx = (clk->parent->rate / rate) & 0xffff; - if (idx < 2) - return -EINVAL; - - __raw_writel(idx << 16, clk->mapping->base); - return 0; -} - -static struct sh_clk_ops fsidiv_clk_ops = { - .recalc = fsidiv_recalc, - .round_rate = fsidiv_round_rate, - .set_rate = fsidiv_set_rate, - .enable = fsidiv_enable, - .disable = fsidiv_disable, -}; - -static struct clk_mapping fsidiva_clk_mapping = { - .phys = FSIDIVA, - .len = 8, -}; - -struct clk sh7372_fsidiva_clk = { - .ops = &fsidiv_clk_ops, - .parent = &div6_reparent_clks[DIV6_FSIA], /* late install */ - .mapping = &fsidiva_clk_mapping, -}; - -static struct clk_mapping fsidivb_clk_mapping = { - .phys = FSIDIVB, - .len = 8, -}; - -struct clk sh7372_fsidivb_clk = { - .ops = &fsidiv_clk_ops, - .parent = &div6_reparent_clks[DIV6_FSIB], /* late install */ - .mapping = &fsidivb_clk_mapping, -}; - -static struct clk *late_main_clks[] = { - &sh7372_fsidiva_clk, - &sh7372_fsidivb_clk, +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]), }; enum { MSTP001, MSTP000, @@ -583,6 +507,8 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), CLKDEV_CON_ID("pllc2_clk", &sh7372_pllc2_clk), + CLKDEV_CON_ID("fsidiva", &fsidivs[FSIDIV_A]), + CLKDEV_CON_ID("fsidivb", &fsidivs[FSIDIV_B]), /* DIV4 clocks */ CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), @@ -678,6 +604,10 @@ static struct clk_lookup lookups[] = { 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("spu2", "sh_fsi2", &mstp_clks[MSTP223]), + CLKDEV_ICK_ID("diva", "sh_fsi2", &fsidivs[FSIDIV_A]), + CLKDEV_ICK_ID("divb", "sh_fsi2", &fsidivs[FSIDIV_B]), + CLKDEV_ICK_ID("xcka", "sh_fsi2", &sh7372_fsiack_clk), + CLKDEV_ICK_ID("xckb", "sh_fsi2", &sh7372_fsibck_clk), }; void __init sh7372_clock_init(void) @@ -706,8 +636,8 @@ void __init sh7372_clock_init(void) 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)); diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h index 499f52d2a4a..8ab0cd6ad6b 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7779.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -71,7 +71,7 @@ enum { GPIO_FN_A19, /* IPSR0 */ - GPIO_FN_PENC2, GPIO_FN_SCK0, GPIO_FN_PWM1, GPIO_FN_PWMFSW0, + GPIO_FN_USB_PENC2, GPIO_FN_SCK0, GPIO_FN_PWM1, GPIO_FN_PWMFSW0, GPIO_FN_SCIF_CLK, GPIO_FN_TCLK0_C, GPIO_FN_BS, GPIO_FN_SD1_DAT2, GPIO_FN_MMC0_D2, GPIO_FN_FD2, GPIO_FN_ATADIR0, GPIO_FN_SDSELF, GPIO_FN_HCTS1, GPIO_FN_TX4_C, GPIO_FN_A0, GPIO_FN_SD1_DAT3, diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index d65fbbe8467..26cd1016fad 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -479,8 +479,6 @@ extern struct clk sh7372_dv_clki_div2_clk; extern struct clk sh7372_pllc2_clk; extern struct clk sh7372_fsiack_clk; extern struct clk sh7372_fsibck_clk; -extern struct clk sh7372_fsidiva_clk; -extern struct clk sh7372_fsidivb_clk; extern void sh7372_intcs_suspend(void); extern void sh7372_intcs_resume(void); diff --git a/arch/arm/mach-shmobile/pfc-r8a7779.c b/arch/arm/mach-shmobile/pfc-r8a7779.c index cbc26ba2a0a..9513234d322 100644 --- a/arch/arm/mach-shmobile/pfc-r8a7779.c +++ b/arch/arm/mach-shmobile/pfc-r8a7779.c @@ -140,7 +140,7 @@ enum { FN_IP7_3_2, FN_IP7_6_4, FN_IP7_9_7, FN_IP7_12_10, FN_IP7_14_13, FN_IP2_7_4, FN_IP2_11_8, FN_IP2_15_12, FN_IP1_28_25, FN_IP2_3_0, FN_IP8_3_0, FN_IP8_7_4, - FN_IP8_11_8, FN_IP8_15_12, FN_PENC0, FN_PENC1, + FN_IP8_11_8, FN_IP8_15_12, FN_USB_PENC0, FN_USB_PENC1, FN_IP0_2_0, FN_IP8_17_16, FN_IP8_18, FN_IP8_19, /* GPSR5 */ @@ -176,7 +176,7 @@ enum { FN_A0, FN_SD1_DAT3, FN_MMC0_D3, FN_FD3, FN_BS, FN_SD1_DAT2, FN_MMC0_D2, FN_FD2, FN_ATADIR0, FN_SDSELF, FN_HCTS1, FN_TX4_C, - FN_PENC2, FN_SCK0, FN_PWM1, FN_PWMFSW0, + FN_USB_PENC2, FN_SCK0, FN_PWM1, FN_PWMFSW0, FN_SCIF_CLK, FN_TCLK0_C, /* IPSR1 */ @@ -447,7 +447,7 @@ enum { A0_MARK, SD1_DAT3_MARK, MMC0_D3_MARK, FD3_MARK, BS_MARK, SD1_DAT2_MARK, MMC0_D2_MARK, FD2_MARK, ATADIR0_MARK, SDSELF_MARK, HCTS1_MARK, TX4_C_MARK, - PENC2_MARK, SCK0_MARK, PWM1_MARK, PWMFSW0_MARK, + USB_PENC2_MARK, SCK0_MARK, PWM1_MARK, PWMFSW0_MARK, SCIF_CLK_MARK, TCLK0_C_MARK, EX_CS0_MARK, RX3_C_IRDA_RX_C_MARK, MMC0_D6_MARK, @@ -658,7 +658,7 @@ static pinmux_enum_t pinmux_data[] = { PINMUX_DATA(A18_MARK, FN_A18), PINMUX_DATA(A19_MARK, FN_A19), - PINMUX_IPSR_DATA(IP0_2_0, PENC2), + PINMUX_IPSR_DATA(IP0_2_0, USB_PENC2), PINMUX_IPSR_MODSEL_DATA(IP0_2_0, SCK0, SEL_SCIF0_0), PINMUX_IPSR_DATA(IP0_2_0, PWM1), PINMUX_IPSR_MODSEL_DATA(IP0_2_0, PWMFSW0, SEL_PWMFSW_0), @@ -1456,7 +1456,7 @@ static struct pinmux_gpio pinmux_gpios[] = { GPIO_FN(A19), /* IPSR0 */ - GPIO_FN(PENC2), GPIO_FN(SCK0), GPIO_FN(PWM1), GPIO_FN(PWMFSW0), + GPIO_FN(USB_PENC2), GPIO_FN(SCK0), GPIO_FN(PWM1), GPIO_FN(PWMFSW0), GPIO_FN(SCIF_CLK), GPIO_FN(TCLK0_C), GPIO_FN(BS), GPIO_FN(SD1_DAT2), GPIO_FN(MMC0_D2), GPIO_FN(FD2), GPIO_FN(ATADIR0), GPIO_FN(SDSELF), GPIO_FN(HCTS1), GPIO_FN(TX4_C), GPIO_FN(A0), GPIO_FN(SD1_DAT3), @@ -1865,8 +1865,8 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = { GP_4_30_FN, FN_IP8_18, GP_4_29_FN, FN_IP8_17_16, GP_4_28_FN, FN_IP0_2_0, - GP_4_27_FN, FN_PENC1, - GP_4_26_FN, FN_PENC0, + GP_4_27_FN, FN_USB_PENC1, + GP_4_26_FN, FN_USB_PENC0, GP_4_25_FN, FN_IP8_15_12, GP_4_24_FN, FN_IP8_11_8, GP_4_23_FN, FN_IP8_7_4, @@ -1981,7 +1981,7 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = { FN_BS, FN_SD1_DAT2, FN_MMC0_D2, FN_FD2, FN_ATADIR0, FN_SDSELF, FN_HCTS1, FN_TX4_C, /* IP0_2_0 [3] */ - FN_PENC2, FN_SCK0, FN_PWM1, FN_PWMFSW0, + FN_USB_PENC2, FN_SCK0, FN_PWM1, FN_PWMFSW0, FN_SCIF_CLK, FN_TCLK0_C, 0, 0 } }, { PINMUX_CFG_REG_VAR("IPSR1", 0xfffc0024, 32, diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c index 07e9fb4f804..b3dc44146ca 100644 --- a/drivers/sh/clk/cpg.c +++ b/drivers/sh/clk/cpg.c @@ -361,3 +361,89 @@ int __init sh_clk_div4_reparent_register(struct clk *clks, int nr, return sh_clk_div_register_ops(clks, nr, table, &sh_clk_div4_reparent_clk_ops); } + +/* FSI-DIV */ +static unsigned long fsidiv_recalc(struct clk *clk) +{ + u32 value; + + value = __raw_readl(clk->mapping->base); + + value >>= 16; + if (value < 2) + return clk->parent->rate; + + return clk->parent->rate / value; +} + +static long fsidiv_round_rate(struct clk *clk, unsigned long rate) +{ + return clk_rate_div_range_round(clk, 1, 0xffff, rate); +} + +static void fsidiv_disable(struct clk *clk) +{ + __raw_writel(0, clk->mapping->base); +} + +static int fsidiv_enable(struct clk *clk) +{ + u32 value; + + value = __raw_readl(clk->mapping->base) >> 16; + if (value < 2) + return 0; + + __raw_writel((value << 16) | 0x3, clk->mapping->base); + + return 0; +} + +static int fsidiv_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val; + int idx; + + idx = (clk->parent->rate / rate) & 0xffff; + if (idx < 2) + __raw_writel(0, clk->mapping->base); + else + __raw_writel(idx << 16, clk->mapping->base); + + return 0; +} + +static struct sh_clk_ops fsidiv_clk_ops = { + .recalc = fsidiv_recalc, + .round_rate = fsidiv_round_rate, + .set_rate = fsidiv_set_rate, + .enable = fsidiv_enable, + .disable = fsidiv_disable, +}; + +int __init sh_clk_fsidiv_register(struct clk *clks, int nr) +{ + struct clk_mapping *map; + int i; + + for (i = 0; i < nr; i++) { + + map = kzalloc(sizeof(struct clk_mapping), GFP_KERNEL); + if (!map) { + pr_err("%s: unable to alloc memory\n", __func__); + return -ENOMEM; + } + + /* clks[i].enable_reg came from SH_CLK_FSIDIV() */ + map->phys = (phys_addr_t)clks[i].enable_reg; + map->len = 8; + + clks[i].enable_reg = 0; /* remove .enable_reg */ + clks[i].ops = &fsidiv_clk_ops; + clks[i].mapping = map; + + clk_register(&clks[i]); + } + + return 0; +} diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h index 50910913b26..60c72395ec6 100644 --- a/include/linux/sh_clk.h +++ b/include/linux/sh_clk.h @@ -199,4 +199,13 @@ int sh_clk_div6_reparent_register(struct clk *clks, int nr); #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } #define CLKDEV_ICK_ID(_cid, _did, _clk) { .con_id = _cid, .dev_id = _did, .clk = _clk } +/* .enable_reg will be updated to .mapping on sh_clk_fsidiv_register() */ +#define SH_CLK_FSIDIV(_reg, _parent) \ +{ \ + .enable_reg = (void __iomem *)_reg, \ + .parent = _parent, \ +} + +int sh_clk_fsidiv_register(struct clk *clks, int nr); + #endif /* __SH_CLOCK_H */ |