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| author | Mark F. Brown <mark.brown314@gmail.com> | 2010-12-13 22:56:59 -0500 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-12-20 23:07:49 +0800 |
| commit | e97d0fac8492dd6566f71f9c81ed453c2105f459 (patch) | |
| tree | af9f03dab437a0abff88f6a888388b7a3b76705f | |
| parent | a8fb0b55314144a37755729d3b40b027b0020e3c (diff) | |
| download | kernel-common-e97d0fac8492dd6566f71f9c81ed453c2105f459.tar.gz kernel-common-e97d0fac8492dd6566f71f9c81ed453c2105f459.tar.bz2 kernel-common-e97d0fac8492dd6566f71f9c81ed453c2105f459.zip | |
ARM: mmp: refactored 5V regulator support using fixed-regulator
Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
| -rw-r--r-- | arch/arm/mach-mmp/brownstone.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c index 635c4004ebe1..7bb78fd5a2a6 100644 --- a/arch/arm/mach-mmp/brownstone.c +++ b/arch/arm/mach-mmp/brownstone.c @@ -17,6 +17,7 @@ #include <linux/gpio.h> #include <linux/regulator/machine.h> #include <linux/regulator/max8649.h> +#include <linux/regulator/fixed.h> #include <linux/mfd/max8925.h> #include <asm/mach-types.h> @@ -30,6 +31,8 @@ #define BROWNSTONE_NR_IRQS (IRQ_BOARD_START + 40) +#define GPIO_5V_ENABLE (89) + static unsigned long brownstone_pin_config[] __initdata = { /* UART1 */ GPIO29_UART1_RXD, @@ -97,6 +100,9 @@ static unsigned long brownstone_pin_config[] __initdata = { GPIO111_MMC3_DAT0 | MFP_PULL_HIGH, GPIO112_MMC3_CMD | MFP_PULL_HIGH, GPIO151_MMC3_CLK, + + /* 5V regulator */ + GPIO89_GPIO, }; static struct regulator_consumer_supply max8649_supply[] = { @@ -123,6 +129,35 @@ static struct max8649_platform_data brownstone_max8649_info = { .regulator = &max8649_init_data, }; +static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = { + REGULATOR_SUPPLY("v_5vp", NULL), +}; + +static struct regulator_init_data brownstone_v_5vp_data = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies), + .consumer_supplies = brownstone_v_5vp_supplies, +}; + +static struct fixed_voltage_config brownstone_v_5vp = { + .supply_name = "v_5vp", + .microvolts = 5000000, + .gpio = GPIO_5V_ENABLE, + .enable_high = 1, + .enabled_at_boot = 1, + .init_data = &brownstone_v_5vp_data, +}; + +static struct platform_device brownstone_v_5vp_device = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &brownstone_v_5vp, + }, +}; + static struct max8925_platform_data brownstone_max8925_info = { .irq_base = IRQ_BOARD_START, }; @@ -154,6 +189,9 @@ static void __init brownstone_init(void) mmp2_add_uart(3); mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ + + /* enable 5v regulator */ + platform_device_register(&brownstone_v_5vp_device); } MACHINE_START(BROWNSTONE, "Brownstone Development Platform") |