diff options
author | Alex Gershgorin <alexg@meprolight.com> | 2012-03-29 10:12:45 +0200 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-04-16 09:49:07 +0200 |
commit | c8349fb437d37b7e0919ffaac3f8dca301f2f625 (patch) | |
tree | e9f69f41562883b0549a3bc7c8232311a8fdc69b /arch/arm/mach-imx | |
parent | dd775ae2549217d3ae09363e3edb305d0fa19928 (diff) |
ARM: i.MX: i.MX35-PDK: Add regulator support
Signed-off-by: Alex Gershgorin <alexg@meprolight.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r-- | arch/arm/mach-imx/mach-mx35_3ds.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c index e14291d89e4..9247a798d1a 100644 --- a/arch/arm/mach-imx/mach-mx35_3ds.c +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -34,6 +34,8 @@ #include <linux/usb/otg.h> #include <linux/mtd/physmap.h> +#include <linux/mfd/mc13892.h> +#include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -253,6 +255,8 @@ static iomux_v3_cfg_t mx35pdk_pads[] = { MX35_PAD_CSI_MCLK__IPU_CSI_MCLK, MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK, MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC, + /*PMIC IRQ*/ + MX35_PAD_GPIO2_0__GPIO2_0, }; /* @@ -317,6 +321,193 @@ static struct platform_device mx35_3ds_ov2640 = { }, }; +static struct regulator_consumer_supply sw1_consumers[] = { + { + .supply = "cpu_vcc", + } +}; + +static struct regulator_consumer_supply vcam_consumers[] = { + /* sgtl5000 */ + REGULATOR_SUPPLY("VDDA", "0-000a"), +}; + +static struct regulator_consumer_supply vaudio_consumers[] = { + REGULATOR_SUPPLY("cmos_vio", "soc-camera-pdrv.0"), +}; + +static struct regulator_init_data sw1_init = { + .constraints = { + .name = "SW1", + .min_uV = 600000, + .max_uV = 1375000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .valid_modes_mask = 0, + .always_on = 1, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(sw1_consumers), + .consumer_supplies = sw1_consumers, +}; + +static struct regulator_init_data sw2_init = { + .constraints = { + .name = "SW2", + .always_on = 1, + .boot_on = 1, + } +}; + +static struct regulator_init_data sw3_init = { + .constraints = { + .name = "SW3", + .always_on = 1, + .boot_on = 1, + } +}; + +static struct regulator_init_data sw4_init = { + .constraints = { + .name = "SW4", + .always_on = 1, + .boot_on = 1, + } +}; + +static struct regulator_init_data viohi_init = { + .constraints = { + .name = "VIOHI", + .boot_on = 1, + } +}; + +static struct regulator_init_data vusb_init = { + .constraints = { + .name = "VUSB", + .boot_on = 1, + } +}; + +static struct regulator_init_data vdig_init = { + .constraints = { + .name = "VDIG", + .boot_on = 1, + } +}; + +static struct regulator_init_data vpll_init = { + .constraints = { + .name = "VPLL", + .boot_on = 1, + } +}; + +static struct regulator_init_data vusb2_init = { + .constraints = { + .name = "VUSB2", + .boot_on = 1, + } +}; + +static struct regulator_init_data vvideo_init = { + .constraints = { + .name = "VVIDEO", + .boot_on = 1 + } +}; + +static struct regulator_init_data vaudio_init = { + .constraints = { + .name = "VAUDIO", + .min_uV = 2300000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .boot_on = 1 + }, + .num_consumer_supplies = ARRAY_SIZE(vaudio_consumers), + .consumer_supplies = vaudio_consumers, +}; + +static struct regulator_init_data vcam_init = { + .constraints = { + .name = "VCAM", + .min_uV = 2500000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE, + .valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL, + .boot_on = 1 + }, + .num_consumer_supplies = ARRAY_SIZE(vcam_consumers), + .consumer_supplies = vcam_consumers, +}; + +static struct regulator_init_data vgen1_init = { + .constraints = { + .name = "VGEN1", + } +}; + +static struct regulator_init_data vgen2_init = { + .constraints = { + .name = "VGEN2", + .boot_on = 1, + } +}; + +static struct regulator_init_data vgen3_init = { + .constraints = { + .name = "VGEN3", + } +}; + +static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = { + { .id = MC13892_SW1, .init_data = &sw1_init }, + { .id = MC13892_SW2, .init_data = &sw2_init }, + { .id = MC13892_SW3, .init_data = &sw3_init }, + { .id = MC13892_SW4, .init_data = &sw4_init }, + { .id = MC13892_VIOHI, .init_data = &viohi_init }, + { .id = MC13892_VPLL, .init_data = &vpll_init }, + { .id = MC13892_VDIG, .init_data = &vdig_init }, + { .id = MC13892_VUSB2, .init_data = &vusb2_init }, + { .id = MC13892_VVIDEO, .init_data = &vvideo_init }, + { .id = MC13892_VAUDIO, .init_data = &vaudio_init }, + { .id = MC13892_VCAM, .init_data = &vcam_init }, + { .id = MC13892_VGEN1, .init_data = &vgen1_init }, + { .id = MC13892_VGEN2, .init_data = &vgen2_init }, + { .id = MC13892_VGEN3, .init_data = &vgen3_init }, + { .id = MC13892_VUSB, .init_data = &vusb_init }, +}; + +static struct mc13xxx_platform_data mx35_3ds_mc13892_data = { + .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN, + .regulators = { + .num_regulators = ARRAY_SIZE(mx35_3ds_regulators), + .regulators = mx35_3ds_regulators, + }, +}; + +#define GPIO_PMIC_INT IMX_GPIO_NR(2, 0) + +static struct i2c_board_info mx35_3ds_i2c_mc13892 = { + + I2C_BOARD_INFO("mc13892", 0x08), + .platform_data = &mx35_3ds_mc13892_data, + .irq = IMX_GPIO_TO_IRQ(GPIO_PMIC_INT), +}; + +static void __init imx35_3ds_init_mc13892(void) +{ + int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq"); + + if (ret) { + pr_err("failed to get pmic irq: %d\n", ret); + return; + } + + i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1); +} + static int mx35_3ds_otg_init(struct platform_device *pdev) { return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY); @@ -412,6 +603,8 @@ static void __init mx35_3ds_init(void) imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata); mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev; platform_device_register(&mx35_3ds_lcd); + + imx35_3ds_init_mc13892(); } static void __init mx35pdk_timer_init(void) |