diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-kzm9g.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g.c | 193 |
1 files changed, 140 insertions, 53 deletions
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index 1fdf05cb6da..165483c9bee 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -29,6 +29,7 @@ #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> #include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/mfd/as3711.h> #include <linux/mfd/tmio.h> #include <linux/pinctrl/machine.h> #include <linux/pinctrl/pinconf-generic.h> @@ -606,6 +607,140 @@ static struct platform_device fsi_ak4648_device = { }; /* I2C */ + +/* StepDown1 is used to supply 1.315V to the CPU */ +static struct regulator_init_data as3711_sd1 = { + .constraints = { + .name = "1.315V CPU", + .boot_on = 1, + .always_on = 1, + .min_uV = 1315000, + .max_uV = 1335000, + }, +}; + +/* StepDown2 is used to supply 1.8V to the CPU and to the board */ +static struct regulator_init_data as3711_sd2 = { + .constraints = { + .name = "1.8V", + .boot_on = 1, + .always_on = 1, + .min_uV = 1800000, + .max_uV = 1800000, + }, +}; + +/* + * StepDown3 is switched in parallel with StepDown2, seems to be off, + * according to read-back pre-set register values + */ + +/* StepDown4 is used to supply 1.215V to the CPU and to the board */ +static struct regulator_init_data as3711_sd4 = { + .constraints = { + .name = "1.215V", + .boot_on = 1, + .always_on = 1, + .min_uV = 1215000, + .max_uV = 1235000, + }, +}; + +/* LDO1 is unused and unconnected */ + +/* LDO2 is used to supply 2.8V to the CPU */ +static struct regulator_init_data as3711_ldo2 = { + .constraints = { + .name = "2.8V CPU", + .boot_on = 1, + .always_on = 1, + .min_uV = 2800000, + .max_uV = 2800000, + }, +}; + +/* LDO3 is used to supply 3.0V to the CPU */ +static struct regulator_init_data as3711_ldo3 = { + .constraints = { + .name = "3.0V CPU", + .boot_on = 1, + .always_on = 1, + .min_uV = 3000000, + .max_uV = 3000000, + }, +}; + +/* LDO4 is used to supply 2.8V to the board */ +static struct regulator_init_data as3711_ldo4 = { + .constraints = { + .name = "2.8V", + .boot_on = 1, + .always_on = 1, + .min_uV = 2800000, + .max_uV = 2800000, + }, +}; + +/* LDO5 is switched parallel to LDO4, also set to 2.8V */ +static struct regulator_init_data as3711_ldo5 = { + .constraints = { + .name = "2.8V #2", + .boot_on = 1, + .always_on = 1, + .min_uV = 2800000, + .max_uV = 2800000, + }, +}; + +/* LDO6 is unused and unconnected */ + +/* LDO7 is used to supply 1.15V to the CPU */ +static struct regulator_init_data as3711_ldo7 = { + .constraints = { + .name = "1.15V CPU", + .boot_on = 1, + .always_on = 1, + .min_uV = 1150000, + .max_uV = 1150000, + }, +}; + +/* LDO8 is switched parallel to LDO7, also set to 1.15V */ +static struct regulator_init_data as3711_ldo8 = { + .constraints = { + .name = "1.15V CPU #2", + .boot_on = 1, + .always_on = 1, + .min_uV = 1150000, + .max_uV = 1150000, + }, +}; + +static struct as3711_platform_data as3711_pdata = { + .regulator = { + .init_data = { + [AS3711_REGULATOR_SD_1] = &as3711_sd1, + [AS3711_REGULATOR_SD_2] = &as3711_sd2, + [AS3711_REGULATOR_SD_4] = &as3711_sd4, + [AS3711_REGULATOR_LDO_2] = &as3711_ldo2, + [AS3711_REGULATOR_LDO_3] = &as3711_ldo3, + [AS3711_REGULATOR_LDO_4] = &as3711_ldo4, + [AS3711_REGULATOR_LDO_5] = &as3711_ldo5, + [AS3711_REGULATOR_LDO_7] = &as3711_ldo7, + [AS3711_REGULATOR_LDO_8] = &as3711_ldo8, + }, + }, + .backlight = { + .su2_fb = "sh_mobile_lcdc_fb.0", + .su2_max_uA = 36000, + .su2_feedback = AS3711_SU2_CURR_AUTO, + .su2_fbprot = AS3711_SU2_GPIO4, + .su2_auto_curr1 = true, + .su2_auto_curr2 = true, + .su2_auto_curr3 = true, + }, +}; + static struct pcf857x_platform_data pcf8575_pdata = { .gpio_base = GPIO_PCF8575_BASE, }; @@ -625,6 +760,11 @@ static struct i2c_board_info i2c0_devices[] = { I2C_BOARD_INFO("adxl34x", 0x1d), .irq = irq_pin(26), /* IRQ26 */ }, + { + I2C_BOARD_INFO("as3711", 0x40), + .irq = intcs_evt2irq(0x3300), /* IRQ24 */ + .platform_data = &as3711_pdata, + }, }; static struct i2c_board_info i2c1_devices[] = { @@ -715,59 +855,6 @@ static const struct pinctrl_map kzm_pinctrl_map[] = { "usb_vbus", "usb"), }; -/* - * FIXME - * - * This is quick hack for enabling LCDC backlight - */ -static int __init as3711_enable_lcdc_backlight(void) -{ - struct i2c_adapter *a = i2c_get_adapter(0); - struct i2c_msg msg; - int i, ret; - __u8 magic[] = { - 0x40, 0x2a, - 0x43, 0x3c, - 0x44, 0x3c, - 0x45, 0x3c, - 0x54, 0x03, - 0x51, 0x00, - 0x51, 0x01, - 0xff, 0x00, /* wait */ - 0x43, 0xf0, - 0x44, 0xf0, - 0x45, 0xf0, - }; - - if (!of_machine_is_compatible("renesas,kzm9g")) - return 0; - - if (!a) - return 0; - - msg.addr = 0x40; - msg.len = 2; - msg.flags = 0; - - for (i = 0; i < ARRAY_SIZE(magic); i += 2) { - msg.buf = magic + i; - - if (0xff == msg.buf[0]) { - udelay(500); - continue; - } - - ret = i2c_transfer(a, &msg, 1); - if (ret < 0) { - pr_err("i2c transfer fail\n"); - break; - } - } - - return 0; -} -device_initcall(as3711_enable_lcdc_backlight); - static void __init kzm_init(void) { regulator_register_always_on(2, "fixed-1.8V", fixed1v8_power_consumers, |