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Diffstat (limited to 'arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c')
-rw-r--r--arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c b/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
index a4102d72cc9b..c49f5c003ee1 100644
--- a/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
+++ b/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
@@ -26,6 +26,9 @@
#include <linux/spi/spi.h>
#include <linux/spi/at73c213.h>
#include <linux/clk.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/consumer.h>
#include <mach/hardware.h>
#include <asm/setup.h>
@@ -235,6 +238,46 @@ static struct gpio_led ek_leds[] = {
}
};
+#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
+static struct regulator_consumer_supply ek_audio_consumer_supplies[] = {
+ REGULATOR_SUPPLY("AVDD", "0-001b"),
+ REGULATOR_SUPPLY("HPVDD", "0-001b"),
+ REGULATOR_SUPPLY("DBVDD", "0-001b"),
+ REGULATOR_SUPPLY("DCVDD", "0-001b"),
+};
+
+static struct regulator_init_data ek_avdd_reg_init_data = {
+ .constraints = {
+ .name = "3V3",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .consumer_supplies = ek_audio_consumer_supplies,
+ .num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies),
+};
+
+static struct fixed_voltage_config ek_vdd_pdata = {
+ .supply_name = "board-3V3",
+ .microvolts = 3300000,
+ .gpio = -EINVAL,
+ .enabled_at_boot = 0,
+ .init_data = &ek_avdd_reg_init_data,
+};
+static struct platform_device ek_voltage_regulator = {
+ .name = "reg-fixed-voltage",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_vdd_pdata,
+ },
+};
+static void __init ek_add_regulators(void)
+{
+ platform_device_register(&ek_voltage_regulator);
+}
+#else
+static void __init ek_add_regulators(void) {}
+#endif
+
static struct i2c_board_info __initdata ek_i2c_devices[] = {
{
I2C_BOARD_INFO("24c512", 0x50),
@@ -256,6 +299,8 @@ static void __init ek_board_init(void)
ek_add_device_nand();
/* Ethernet */
at91_add_device_eth(&ek_macb_data);
+ /* Regulators */
+ ek_add_regulators();
/* MMC */
#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
at91_add_device_mci(0, &ek_mmc_data);