ARM: OMAP3: Initialize regulators for Beagle and Overo

Initialize regulators for Beagle and Overo.

Patch is based on earlier patches posted to linux-omap mailing
list.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 57 insertions, 19 deletions

diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index c7443ff98ee2..dff5528fbfb5 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -27,6 +27,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/i2c/twl4030.h>
+#include <linux/regulator/machine.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
@@ -272,21 +273,76 @@ static struct omap_uart_config overo_uart_config __initdata = {
         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 };
 
+static struct twl4030_hsmmc_info mmc[] = {
+        {
+                .mmc            = 1,
+                .wires          = 4,
+                .gpio_cd        = -EINVAL,
+                .gpio_wp        = -EINVAL,
+        },
+        {
+                .mmc            = 2,
+                .wires          = 4,
+                .gpio_cd        = -EINVAL,
+                .gpio_wp        = -EINVAL,
+                .transceiver    = true,
+                .ocr_mask       = 0x00100000,   /* 3.3V */
+        },
+        {}      /* Terminator */
+};
+
+static struct regulator_consumer_supply overo_vmmc1_supply = {
+        .supply                 = "vmmc",
+};
+
+static int overo_twl_gpio_setup(struct device *dev,
+                unsigned gpio, unsigned ngpio)
+{
+        twl4030_mmc_init(mmc);
+
+        overo_vmmc1_supply.dev = mmc[0].dev;
+
+        return 0;
+}
+
 static struct twl4030_gpio_platform_data overo_gpio_data = {
         .gpio_base      = OMAP_MAX_GPIO_LINES,
         .irq_base       = TWL4030_GPIO_IRQ_BASE,
         .irq_end        = TWL4030_GPIO_IRQ_END,
+        .setup          = overo_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data overo_usb_data = {
+        .usb_mode       = T2_USB_MODE_ULPI,
+};
+
+static struct regulator_init_data overo_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      = &overo_vmmc1_supply,
 };
 
+/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */
+
 static struct twl4030_platform_data overo_twldata = {
         .irq_base       = TWL4030_IRQ_BASE,
         .irq_end        = TWL4030_IRQ_END,
         .gpio           = &overo_gpio_data,
+        .usb            = &overo_usb_data,
+        .vmmc1          = &overo_vmmc1,
 };
 
 static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
         {
-                I2C_BOARD_INFO("twl4030", 0x48),
+                I2C_BOARD_INFO("tps65950", 0x48),
                 .flags = I2C_CLIENT_WAKE,
                 .irq = INT_34XX_SYS_NIRQ,
                 .platform_data = &overo_twldata,
@@ -327,23 +383,6 @@ static struct platform_device *overo_devices[] __initdata = {
         &overo_lcd_device,
 };
 
-static struct twl4030_hsmmc_info mmc[] __initdata = {
-        {
-                .mmc            = 1,
-                .wires          = 4,
-                .gpio_cd        = -EINVAL,
-                .gpio_wp        = -EINVAL,
-        },
-        {
-                .mmc            = 2,
-                .wires          = 4,
-                .gpio_cd        = -EINVAL,
-                .gpio_wp        = -EINVAL,
-                .transceiver    = true,
-        },
-        {}      /* Terminator */
-};
-
 static void __init overo_init(void)
 {
         overo_i2c_init();
@@ -351,7 +390,6 @@ static void __init overo_init(void)
         omap_board_config = overo_config;
         omap_board_config_size = ARRAY_SIZE(overo_config);
         omap_serial_init();
-        twl4030_mmc_init(mmc);
         overo_flash_init();
         usb_musb_init();
         overo_ads7846_init();