diff options
author | Magnus Damm <damm@opensource.se> | 2011-05-23 05:10:36 +0000 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 12:42:52 +0900 |
commit | fb66c5238547495b4a79f590b20400683702448a (patch) | |
tree | d9b3e39012ab334c25f2f1e3a2192ca6c9dc698b /arch/arm/mach-shmobile | |
parent | 2007aea18c2c7262614bf942f95b3e1f519bd409 (diff) | |
download | kernel_samsung_aries-fb66c5238547495b4a79f590b20400683702448a.zip kernel_samsung_aries-fb66c5238547495b4a79f590b20400683702448a.tar.gz kernel_samsung_aries-fb66c5238547495b4a79f590b20400683702448a.tar.bz2 |
ARM: mach-shmobile: Add SDHI support for AG5EVM and sh73a0
Add SDHI0 and SDHI1 support to the AG5EVM board
including platform data, pinmux configuration
and clock bindings.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r-- | arch/arm/mach-shmobile/board-ag5evm.c | 103 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/clock-sh73a0.c | 16 |
2 files changed, 118 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index 083dc0f..7894cd1 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -34,6 +34,8 @@ #include <linux/input/sh_keysc.h> #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> +#include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/mfd/tmio.h> #include <linux/sh_clk.h> #include <video/sh_mobile_lcdc.h> #include <video/sh_mipi_dsi.h> @@ -327,6 +329,85 @@ static struct platform_device mipidsi0_device = { }, }; +static struct sh_mobile_sdhi_info sdhi0_info = { + .tmio_caps = MMC_CAP_SD_HIGHSPEED, + .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, +}; + +static struct resource sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0xee100000, + .end = 0xee1000ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(83), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(84), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = gic_spi(85), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi0_device = { + .name = "sh_mobile_sdhi", + .id = 0, + .num_resources = ARRAY_SIZE(sdhi0_resources), + .resource = sdhi0_resources, + .dev = { + .platform_data = &sdhi0_info, + }, +}; + +void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) +{ + gpio_set_value(GPIO_PORT114, state); +} + +static struct sh_mobile_sdhi_info sh_sdhi1_platdata = { + .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE, + .tmio_caps = MMC_CAP_NONREMOVABLE, + .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .set_pwr = ag5evm_sdhi1_set_pwr, +}; + +static struct resource sdhi1_resources[] = { + [0] = { + .name = "SDHI1", + .start = 0xee120000, + .end = 0xee1200ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(87), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(88), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = gic_spi(89), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi1_device = { + .name = "sh_mobile_sdhi", + .id = 1, + .dev = { + .platform_data = &sh_sdhi1_platdata, + }, + .num_resources = ARRAY_SIZE(sdhi1_resources), + .resource = sdhi1_resources, +}; + static struct platform_device *ag5evm_devices[] __initdata = { ð_device, &keysc_device, @@ -335,6 +416,8 @@ static struct platform_device *ag5evm_devices[] __initdata = { &irda_device, &lcdc0_device, &mipidsi0_device, + &sdhi0_device, + &sdhi1_device, }; static struct map_desc ag5evm_io_desc[] __initdata = { @@ -456,6 +539,26 @@ static void __init ag5evm_init(void) /* MIPI-DSI clock setup */ __raw_writel(0x2a809010, DSI0PHYCR); + /* enable SDHI0 on CN15 [SD I/F] */ + gpio_request(GPIO_FN_SDHICD0, NULL); + gpio_request(GPIO_FN_SDHIWP0, NULL); + gpio_request(GPIO_FN_SDHICMD0, NULL); + gpio_request(GPIO_FN_SDHICLK0, NULL); + gpio_request(GPIO_FN_SDHID0_3, NULL); + gpio_request(GPIO_FN_SDHID0_2, NULL); + gpio_request(GPIO_FN_SDHID0_1, NULL); + gpio_request(GPIO_FN_SDHID0_0, NULL); + + /* enable SDHI1 on CN4 [WLAN I/F] */ + gpio_request(GPIO_FN_SDHICLK1, NULL); + gpio_request(GPIO_FN_SDHICMD1_PU, NULL); + gpio_request(GPIO_FN_SDHID1_3_PU, NULL); + gpio_request(GPIO_FN_SDHID1_2_PU, NULL); + gpio_request(GPIO_FN_SDHID1_1_PU, NULL); + gpio_request(GPIO_FN_SDHID1_0_PU, NULL); + gpio_request(GPIO_PORT114, "sdhi1_power"); + gpio_direction_output(GPIO_PORT114, 0); + #ifdef CONFIG_CACHE_L2X0 /* Shared attribute override enable, 64K*8way */ l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff); diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 7e58904..f86e463 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -266,7 +266,7 @@ enum { MSTP001, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP325, MSTP323, MSTP312, + MSTP331, MSTP329, MSTP325, MSTP323, MSTP314, MSTP313, MSTP312, MSTP311, MSTP411, MSTP410, MSTP403, MSTP_NR }; @@ -295,7 +295,10 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */ + [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ + [MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */ [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ [MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ @@ -313,6 +316,9 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_CON_ID("sdhi0_clk", &div6_clks[DIV6_SDHI0]), + CLKDEV_CON_ID("sdhi1_clk", &div6_clks[DIV6_SDHI1]), + CLKDEV_CON_ID("sdhi2_clk", &div6_clks[DIV6_SDHI2]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), @@ -341,7 +347,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */ CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ @@ -351,6 +360,11 @@ void __init sh73a0_clock_init(void) { int k, ret = 0; + /* Set SDHI clocks to a known state */ + __raw_writel(0x108, SD0CKCR); + __raw_writel(0x108, SD1CKCR); + __raw_writel(0x108, SD2CKCR); + /* detect main clock parent */ switch ((__raw_readl(CKSCR) >> 24) & 0x03) { case 0: |