diff options
| -rw-r--r-- | arch/arm/mach-imx/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mach-mx27_3ds.c | 77 |
2 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 0449b80a6092..17d2e608a214 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -242,6 +242,7 @@ config MACH_MX27_3DS select IMX_HAVE_PLATFORM_IMX_UART select IMX_HAVE_PLATFORM_MXC_EHCI select IMX_HAVE_PLATFORM_MXC_MMC + select IMX_HAVE_PLATFORM_SPI_IMX select MXC_ULPI if USB_ULPI help Include support for MX27PDK platform. This includes specific diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index 0ee7a734832e..6fd0f8f6deb6 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -26,6 +26,9 @@ #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #include <linux/delay.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> +#include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -39,6 +42,7 @@ #define SD1_EN_GPIO (GPIO_PORTB + 25) #define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23) +#define SPI2_SS0 (GPIO_PORTD + 21) static const int mx27pdk_pins[] __initconst = { /* UART1 */ @@ -87,6 +91,10 @@ static const int mx27pdk_pins[] __initconst = { PE2_PF_USBOTG_DIR, PE24_PF_USBOTG_CLK, PE25_PF_USBOTG_DATA7, + /* CSPI2 */ + PD22_PF_CSPI2_SCLK, + PD23_PF_CSPI2_MISO, + PD24_PF_CSPI2_MOSI, }; static const struct imxuart_platform_data uart_pdata __initconst = { @@ -176,6 +184,72 @@ static int __init mx27_3ds_otg_mode(char *options) } __setup("otg_mode=", mx27_3ds_otg_mode); +/* Regulators */ +static struct regulator_consumer_supply vmmc1_consumers[] = { + REGULATOR_SUPPLY("lcd_2v8", NULL), +}; + +static struct regulator_init_data vmmc1_init = { + .constraints = { + .min_uV = 2800000, + .max_uV = 2800000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers), + .consumer_supplies = vmmc1_consumers, +}; + +static struct regulator_consumer_supply vgen_consumers[] = { + REGULATOR_SUPPLY("vdd_lcdio", NULL), +}; + +static struct regulator_init_data vgen_init = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .num_consumer_supplies = ARRAY_SIZE(vgen_consumers), + .consumer_supplies = vgen_consumers, +}; + +static struct mc13783_regulator_init_data mx27_3ds_regulators[] = { + { + .id = MC13783_REGU_VMMC1, + .init_data = &vmmc1_init, + }, { + .id = MC13783_REGU_VGEN, + .init_data = &vgen_init, + }, +}; + +/* MC13783 */ +static struct mc13783_platform_data mc13783_pdata __initdata = { + .regulators = mx27_3ds_regulators, + .num_regulators = ARRAY_SIZE(mx27_3ds_regulators), + .flags = MC13783_USE_REGULATOR, +}; + +/* SPI */ +static int spi2_internal_chipselect[] = {SPI2_SS0}; + +static const struct spi_imx_master spi2_pdata __initconst = { + .chipselect = spi2_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi2_internal_chipselect), +}; + +static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { + { + .modalias = "mc13783", + .max_speed_hz = 1000000, + .bus_num = 1, + .chip_select = 0, /* SS0 */ + .platform_data = &mc13783_pdata, + .irq = IRQ_GPIOC(14), + .mode = SPI_CS_HIGH, + }, +}; + static void __init mx27pdk_init(void) { @@ -199,6 +273,9 @@ static void __init mx27pdk_init(void) if (!otg_mode_host) imx27_add_fsl_usb2_udc(&otg_device_pdata); + imx27_add_spi_imx1(&spi2_pdata); + spi_register_board_info(mx27_3ds_spi_devs, + ARRAY_SIZE(mx27_3ds_spi_devs)); } static void __init mx27pdk_timer_init(void) |