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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-02-08 19:38:27 +0100 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-03-18 13:27:02 +0100 |
| commit | f017d0119f59d442506cf884c7a43a9d12799a4e (patch) | |
| tree | e2407674cb17db6e83e7551c8bd9b5c7ff43c639 /arch/arm/mach-shmobile/board-kzm9g-reference.c | |
| parent | ARM: shmobile: parse DT and configure pinmux early on kzm9g-reference (diff) | |
| download | linux-f017d0119f59d442506cf884c7a43a9d12799a4e.tar.xz linux-f017d0119f59d442506cf884c7a43a9d12799a4e.zip | |
ARM: shmobile: SDHI and MMCIF interfaces to kzm9g-reference
Add SDHI0 and SDHI2 interfaces to kzm9g-reference. With no pinctrl DT
support we cannot use GPIO card-detection and regulator switching.
Also update the MMCIF DT node to use all 8 data lines and avoid
redundant information in DT.
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
[ horms+renesas@verge.net.au: Updated for pinmux changes by Laurent Pinchart ]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/board-kzm9g-reference.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g-reference.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-kzm9g-reference.c b/arch/arm/mach-shmobile/board-kzm9g-reference.c index add537c51b45..3056698d8bc8 100644 --- a/arch/arm/mach-shmobile/board-kzm9g-reference.c +++ b/arch/arm/mach-shmobile/board-kzm9g-reference.c @@ -28,19 +28,48 @@ #include <linux/input.h> #include <linux/of_platform.h> #include <linux/pinctrl/machine.h> +#include <linux/pinctrl/pinconf-generic.h> #include <mach/sh73a0.h> #include <mach/common.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> +static unsigned long pin_pullup_conf[] = { + PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 0), +}; + static const struct pinctrl_map kzm_pinctrl_map[] = { PIN_MAP_MUX_GROUP_DEFAULT("i2c-sh_mobile.3", "pfc-sh73a0", "i2c3_1", "i2c3"), + /* MMCIF */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh73a0", + "mmc0_data8_0", "mmc0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh73a0", + "mmc0_ctrl_0", "mmc0"), + PIN_MAP_CONFIGS_PIN_DEFAULT("sh_mmcif.0", "pfc-sh73a0", + "PORT279", pin_pullup_conf), + PIN_MAP_CONFIGS_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh73a0", + "mmc0_data8_0", pin_pullup_conf), + /* SCIFA4 */ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0", "scifa4_data", "scifa4"), PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0", "scifa4_ctrl", "scifa4"), + /* SDHI0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0", + "sdhi0_data4", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0", + "sdhi0_ctrl", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0", + "sdhi0_cd", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0", + "sdhi0_wp", "sdhi0"), + /* SDHI2 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-sh73a0", + "sdhi2_data4", "sdhi2"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-sh73a0", + "sdhi2_ctrl", "sdhi2"), }; static void __init kzm_init(void) @@ -49,6 +78,13 @@ static void __init kzm_init(void) pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map)); sh73a0_pinmux_init(); + /* enable SD */ + gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); + gpio_request_one(GPIO_PORT15, GPIOF_OUT_INIT_HIGH, NULL); /* power */ + + gpio_request(GPIO_FN_SDHICLK2, NULL); + gpio_request_one(GPIO_PORT14, GPIOF_OUT_INIT_HIGH, NULL); /* power */ + #ifdef CONFIG_CACHE_L2X0 /* Early BRESP enable, Shared attribute override enable, 64K*8way */ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); |