ARM: OMAP3: pandora: setup regulator framework for MMC

Setup regulators for MMC1 and MMC2 to get those SD slots
working again.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
CC: David Brownell <david-b@pacbell.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 3571bb47ab86..2ab24975b685 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -23,6 +23,7 @@
 
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
+#include <linux/regulator/machine.h>
 #include <linux/i2c/twl4030.h>
 
 #include <asm/mach-types.h>
@@ -70,6 +71,14 @@ static struct omap_uart_config omap3pandora_uart_config __initdata = {
         .enabled_uarts  = (1 << 2), /* UART3 */
 };
 
+static struct regulator_consumer_supply pandora_vmmc1_supply = {
+        .supply                 = "vmmc",
+};
+
+static struct regulator_consumer_supply pandora_vmmc2_supply = {
+        .supply                 = "vmmc",
+};
+
 static int omap3pandora_twl_gpio_setup(struct device *dev,
                 unsigned gpio, unsigned ngpio)
 {
@@ -78,6 +87,10 @@ static int omap3pandora_twl_gpio_setup(struct device *dev,
         omap3pandora_mmc[1].gpio_cd = gpio + 1;
         twl4030_mmc_init(omap3pandora_mmc);
 
+        /* link regulators to MMC adapters */
+        pandora_vmmc1_supply.dev = omap3pandora_mmc[0].dev;
+        pandora_vmmc2_supply.dev = omap3pandora_mmc[1].dev;
+
         return 0;
 }
 
@@ -88,6 +101,36 @@ static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
         .setup          = omap3pandora_twl_gpio_setup,
 };
 
+/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
+static struct regulator_init_data pandora_vmmc1 = {
+        .constraints = {
+                .min_uV                 = 1850000,
+                .max_uV                 = 3150000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
+                                        | REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &pandora_vmmc1_supply,
+};
+
+/* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
+static struct regulator_init_data pandora_vmmc2 = {
+        .constraints = {
+                .min_uV                 = 1850000,
+                .max_uV                 = 3150000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
+                                        | REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &pandora_vmmc2_supply,
+};
+
 static struct twl4030_usb_data omap3pandora_usb_data = {
         .usb_mode       = T2_USB_MODE_ULPI,
 };
@@ -97,6 +140,8 @@ static struct twl4030_platform_data omap3pandora_twldata = {
         .irq_end        = TWL4030_IRQ_END,
         .gpio           = &omap3pandora_gpio_data,
         .usb            = &omap3pandora_usb_data,
+        .vmmc1          = &pandora_vmmc1,
+        .vmmc2          = &pandora_vmmc2,
 };
 
 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {