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>
diff --git a/arch/arm/mach-shmobile/board-kzm9g-reference.c b/arch/arm/mach-shmobile/board-kzm9g-reference.c
index add537c..3056698 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 @@
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);