ARM: shmobile: ape6evm: add SDHI interfaces

Add support for SDHI0 and SDHI1 on APE6EVM in PIO mode only.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index 8c7529c..ccf8b04 100644 (file)
--- a/arch/arm/mach-shmobile/board-ape6evm.c
+++ b/arch/arm/mach-shmobile/board-ape6evm.c
@@ -21,8 +21,10 @@
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
+#include <linux/mfd/tmio.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
+#include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/fixed.h>
@@ -58,11 +60,16 @@ static const struct smsc911x_platform_config lan9220_data = {
 
 /*
  * On APE6EVM power is supplied to MMCIF by a tps80032 regulator. For now we
- * model a VDD supply to MMCIF, using a fixed 3.3V regulator.
+ * model a VDD supply to MMCIF, using a fixed 3.3V regulator. Also use the
+ * static power supply for SDHI0 and SDHI1, whereas SDHI0's VccQ is also
+ * supplied by the same tps80032 regulator and thus can also be adjusted
+ * dynamically.
  */
 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
 {
        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+       REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+       REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
 };
 
 /* MMCIF */
@@ -75,6 +82,29 @@ static struct resource mmcif0_resources[] = {
        DEFINE_RES_IRQ(gic_spi(169)),
 };
 
+/* SDHI0 */
+static struct sh_mobile_sdhi_info sdhi0_pdata = {
+       .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
+       .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+};
+
+static struct resource sdhi0_resources[] = {
+       DEFINE_RES_MEM_NAMED(0xee100000, 0x100, "SDHI0"),
+       DEFINE_RES_IRQ(gic_spi(165)),
+};
+
+/* SDHI1 */
+static struct sh_mobile_sdhi_info sdhi1_pdata = {
+       .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
+       .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
+                         MMC_CAP_NEEDS_POLL,
+};
+
+static struct resource sdhi1_resources[] = {
+       DEFINE_RES_MEM_NAMED(0xee120000, 0x100, "SDHI1"),
+       DEFINE_RES_IRQ(gic_spi(166)),
+};
+
 static const struct pinctrl_map ape6evm_pinctrl_map[] = {
        /* SCIFA0 console */
        PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
@@ -87,6 +117,18 @@ static const struct pinctrl_map ape6evm_pinctrl_map[] = {
                                  "mmc0_data8", "mmc0"),
        PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
                                  "mmc0_ctrl", "mmc0"),
+       /* SDHI0: uSD: no WP */
+       PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
+                                 "sdhi0_data4", "sdhi0"),
+       PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
+                                 "sdhi0_ctrl", "sdhi0"),
+       PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
+                                 "sdhi0_cd", "sdhi0"),
+       /* SDHI1 */
+       PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
+                                 "sdhi1_data4", "sdhi1"),
+       PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
+                                 "sdhi1_ctrl", "sdhi1"),
 };
 
 static void __init ape6evm_add_standard_devices(void)
@@ -124,6 +166,12 @@ static void __init ape6evm_add_standard_devices(void)
        platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
                                          mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
                                          &mmcif0_pdata, sizeof(mmcif0_pdata));
+       platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
+                                         sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
+                                         &sdhi0_pdata, sizeof(sdhi0_pdata));
+       platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
+                                         sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
+                                         &sdhi1_pdata, sizeof(sdhi1_pdata));
 }
 
 static const char *ape6evm_boards_compat_dt[] __initdata = {