diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27ads.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx27ads.c | 82 |
1 files changed, 62 insertions, 20 deletions
diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c index 0228d2e07fe..2f834ce8f39 100644 --- a/arch/arm/mach-imx/mach-mx27ads.c +++ b/arch/arm/mach-imx/mach-mx27ads.c @@ -21,15 +21,19 @@ #include <linux/mtd/physmap.h> #include <linux/i2c.h> #include <linux/irq.h> -#include <mach/common.h> -#include <mach/hardware.h> + +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> -#include <mach/iomux-mx27.h> +#include "common.h" #include "devices-imx27.h" +#include "hardware.h" +#include "iomux-mx27.h" /* * Base address of PBC controller, CS4 @@ -195,14 +199,58 @@ static const struct imxi2c_platform_data mx27ads_i2c1_data __initconst = { static struct i2c_board_info mx27ads_i2c_devices[] = { }; -void lcd_power(int on) +static void vgpio_set(struct gpio_chip *chip, unsigned offset, int value) { - if (on) + if (value) __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); else __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); } +static int vgpio_dir_out(struct gpio_chip *chip, unsigned offset, int value) +{ + return 0; +} + +#define MX27ADS_LCD_GPIO (6 * 32) + +static struct regulator_consumer_supply mx27ads_lcd_regulator_consumer = + REGULATOR_SUPPLY("lcd", "imx-fb.0"); + +static struct regulator_init_data mx27ads_lcd_regulator_init_data = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, +}, + .consumer_supplies = &mx27ads_lcd_regulator_consumer, + .num_consumer_supplies = 1, +}; + +static struct fixed_voltage_config mx27ads_lcd_regulator_pdata = { + .supply_name = "LCD", + .microvolts = 3300000, + .gpio = MX27ADS_LCD_GPIO, + .init_data = &mx27ads_lcd_regulator_init_data, +}; + +static void __init mx27ads_regulator_init(void) +{ + struct gpio_chip *vchip; + + vchip = kzalloc(sizeof(*vchip), GFP_KERNEL); + vchip->owner = THIS_MODULE; + vchip->label = "LCD"; + vchip->base = MX27ADS_LCD_GPIO; + vchip->ngpio = 1; + vchip->direction_output = vgpio_dir_out; + vchip->set = vgpio_set; + gpiochip_add(vchip); + + platform_device_register_data(&platform_bus, "reg-fixed-voltage", + PLATFORM_DEVID_AUTO, + &mx27ads_lcd_regulator_pdata, + sizeof(mx27ads_lcd_regulator_pdata)); +} + static struct imx_fb_videomode mx27ads_modes[] = { { .mode = { @@ -239,32 +287,30 @@ static const struct imx_fb_platform_data mx27ads_fb_data __initconst = { .pwmr = 0x00A903FF, .lscr1 = 0x00120300, .dmacr = 0x00020010, - - .lcd_power = lcd_power, }; static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, void *data) { - return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, - "sdhc1-card-detect", data); + return request_irq(gpio_to_irq(IMX_GPIO_NR(5, 21)), detect_irq, + IRQF_TRIGGER_RISING, "sdhc1-card-detect", data); } static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data) { - return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, - "sdhc2-card-detect", data); + return request_irq(gpio_to_irq(IMX_GPIO_NR(2, 7)), detect_irq, + IRQF_TRIGGER_RISING, "sdhc2-card-detect", data); } static void mx27ads_sdhc1_exit(struct device *dev, void *data) { - free_irq(IRQ_GPIOE(21), data); + free_irq(gpio_to_irq(IMX_GPIO_NR(5, 21)), data); } static void mx27ads_sdhc2_exit(struct device *dev, void *data) { - free_irq(IRQ_GPIOB(7), data); + free_irq(gpio_to_irq(IMX_GPIO_NR(2, 7)), data); } static const struct imxmmc_platform_data sdhc1_pdata __initconst = { @@ -304,13 +350,14 @@ static void __init mx27ads_board_init(void) i2c_register_board_info(1, mx27ads_i2c_devices, ARRAY_SIZE(mx27ads_i2c_devices)); imx27_add_imx_i2c(1, &mx27ads_i2c1_data); + mx27ads_regulator_init(); imx27_add_imx_fb(&mx27ads_fb_data); imx27_add_mxc_mmc(0, &sdhc1_pdata); imx27_add_mxc_mmc(1, &sdhc2_pdata); imx27_add_fec(NULL); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); - imx27_add_mxc_w1(NULL); + imx27_add_mxc_w1(); } static void __init mx27ads_timer_init(void) @@ -323,10 +370,6 @@ static void __init mx27ads_timer_init(void) mx27_clocks_init(fref); } -static struct sys_timer mx27ads_timer = { - .init = mx27ads_timer_init, -}; - static struct map_desc mx27ads_io_desc[] __initdata = { { .virtual = PBC_BASE_ADDRESS, @@ -348,8 +391,7 @@ MACHINE_START(MX27ADS, "Freescale i.MX27ADS") .map_io = mx27ads_map_io, .init_early = imx27_init_early, .init_irq = mx27_init_irq, - .handle_irq = imx27_handle_irq, - .timer = &mx27ads_timer, + .init_time = mx27ads_timer_init, .init_machine = mx27ads_board_init, .restart = mxc_restart, MACHINE_END |