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authorAlex Gershgorin <alexg@meprolight.com>2012-03-29 10:12:45 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2012-04-16 09:49:07 +0200
commitc8349fb437d37b7e0919ffaac3f8dca301f2f625 (patch)
treee9f69f41562883b0549a3bc7c8232311a8fdc69b /arch/arm/mach-imx/mach-mx35_3ds.c
parentdd775ae2549217d3ae09363e3edb305d0fa19928 (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/mach-mx35_3ds.c')
-rw-r--r--arch/arm/mach-imx/mach-mx35_3ds.c193
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 e14291d89e4f..9247a798d1ad 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)