diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_efikamx.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_efikamx.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c index 8f173366b29c..acab1911cb3c 100644 --- a/arch/arm/mach-mx5/board-mx51_efikamx.c +++ b/arch/arm/mach-mx5/board-mx51_efikamx.c @@ -25,6 +25,9 @@ #include <linux/fsl_devices.h> #include <linux/spi/flash.h> #include <linux/spi/spi.h> +#include <linux/mfd/mc13892.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/consumer.h> #include <mach/common.h> #include <mach/hardware.h> @@ -56,6 +59,10 @@ #define EFIKAMX_RESET1_1 IMX_GPIO_NR(3, 2) #define EFIKAMX_RESET IMX_GPIO_NR(1, 4) +#define EFIKAMX_POWEROFF IMX_GPIO_NR(4, 13) + +#define EFIKAMX_PMIC IMX_GPIO_NR(1, 6) + /* the pci ids pin have pull up. they're driven low according to board id */ #define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) #define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) @@ -79,6 +86,9 @@ static iomux_v3_cfg_t mx51efikamx_pads[] = { /* reset */ MX51_PAD_DI1_PIN13__GPIO3_2, MX51_PAD_GPIO1_4__GPIO1_4, + + /* power off */ + MX51_PAD_CSI2_VSYNC__GPIO4_13, }; /* PCBID2 PCBID1 PCBID0 STATE @@ -187,6 +197,46 @@ void mx51_efikamx_reset(void) gpio_direction_output(EFIKAMX_RESET, 0); } +static struct regulator *pwgt1, *pwgt2, *coincell; + +static void mx51_efikamx_power_off(void) +{ + if (!IS_ERR(coincell)) + regulator_disable(coincell); + + if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) { + regulator_disable(pwgt2); + regulator_disable(pwgt1); + } + gpio_direction_output(EFIKAMX_POWEROFF, 1); +} + +static int __init mx51_efikamx_power_init(void) +{ + if (machine_is_mx51_efikamx()) { + pwgt1 = regulator_get(NULL, "pwgt1"); + pwgt2 = regulator_get(NULL, "pwgt2"); + if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) { + regulator_enable(pwgt1); + regulator_enable(pwgt2); + } + gpio_request(EFIKAMX_POWEROFF, "poweroff"); + pm_power_off = mx51_efikamx_power_off; + + /* enable coincell charger. maybe need a small power driver ? */ + coincell = regulator_get(NULL, "coincell"); + if (!IS_ERR(coincell)) { + regulator_set_voltage(coincell, 3000000, 3000000); + regulator_enable(coincell); + } + + regulator_has_full_constraints(); + } + + return 0; +} +late_initcall(mx51_efikamx_power_init); + static void __init mx51_efikamx_init(void) { mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, |