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, 95 insertions, 9 deletions

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index f25082c53c67..991ac9c38032 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -28,6 +28,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 
+#include <linux/regulator/machine.h>
 #include <linux/i2c/twl4030.h>
 
 #include <mach/hardware.h>
@@ -120,6 +121,23 @@ static struct twl4030_hsmmc_info mmc[] = {
         {}      /* Terminator */
 };
 
+static struct platform_device omap3_beagle_lcd_device = {
+        .name           = "omap3beagle_lcd",
+        .id             = -1,
+};
+
+static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
+        .ctrl_name      = "internal",
+};
+
+static struct regulator_consumer_supply beagle_vmmc1_supply = {
+        .supply                 = "vmmc",
+};
+
+static struct regulator_consumer_supply beagle_vsim_supply = {
+        .supply                 = "vmmc_aux",
+};
+
 static struct gpio_led gpio_leds[];
 
 static int beagle_twl_gpio_setup(struct device *dev,
@@ -130,6 +148,10 @@ static int beagle_twl_gpio_setup(struct device *dev,
         mmc[0].gpio_cd = gpio + 0;
         twl4030_mmc_init(mmc);
 
+        /* link regulators to MMC adapters */
+        beagle_vmmc1_supply.dev = mmc[0].dev;
+        beagle_vsim_supply.dev = mmc[0].dev;
+
         /* REVISIT: need ehci-omap hooks for external VBUS
          * power switch and overcurrent detect
          */
@@ -158,12 +180,85 @@ static struct twl4030_gpio_platform_data beagle_gpio_data = {
         .setup          = beagle_twl_gpio_setup,
 };
 
+static struct regulator_consumer_supply beagle_vdac_supply = {
+        .supply         = "vdac",
+        .dev            = &omap3_beagle_lcd_device.dev,
+};
+
+static struct regulator_consumer_supply beagle_vdvi_supply = {
+        .supply         = "vdvi",
+        .dev            = &omap3_beagle_lcd_device.dev,
+};
+
+/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
+static struct regulator_init_data beagle_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      = &beagle_vmmc1_supply,
+};
+
+/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
+static struct regulator_init_data beagle_vsim = {
+        .constraints = {
+                .min_uV                 = 1800000,
+                .max_uV                 = 3000000,
+                .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      = &beagle_vsim_supply,
+};
+
+/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
+static struct regulator_init_data beagle_vdac = {
+        .constraints = {
+                .min_uV                 = 1800000,
+                .max_uV                 = 1800000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &beagle_vdac_supply,
+};
+
+/* VPLL2 for digital video outputs */
+static struct regulator_init_data beagle_vpll2 = {
+        .constraints = {
+                .name                   = "VDVI",
+                .min_uV                 = 1800000,
+                .max_uV                 = 1800000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &beagle_vdvi_supply,
+};
+
 static struct twl4030_platform_data beagle_twldata = {
         .irq_base       = TWL4030_IRQ_BASE,
         .irq_end        = TWL4030_IRQ_END,
 
         /* platform_data for children goes here */
         .gpio           = &beagle_gpio_data,
+        .vmmc1          = &beagle_vmmc1,
+        .vsim           = &beagle_vsim,
+        .vdac           = &beagle_vdac,
+        .vpll2          = &beagle_vpll2,
 };
 
 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
@@ -195,15 +290,6 @@ static void __init omap3_beagle_init_irq(void)
         omap_gpio_init();
 }
 
-static struct platform_device omap3_beagle_lcd_device = {
-        .name           = "omap3beagle_lcd",
-        .id             = -1,
-};
-
-static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
-        .ctrl_name      = "internal",
-};
-
 static struct gpio_led gpio_leds[] = {
         {
                 .name                   = "beagleboard::usr0",