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author | Valentin Longchamp <valentin.longchamp@epfl.ch> | 2009-11-03 17:09:49 (GMT) |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-11-14 09:29:14 (GMT) |
commit | 65da9791cba6f873c996099e19b29035203a1318 (patch) | |
tree | 4334a0f3f7dd177c92f5e9c055c3b549389a7448 /arch/arm/mach-mx3 | |
parent | 10949fff622e1488f0c534a10bca8edf5df95682 (diff) | |
download | linux-65da9791cba6f873c996099e19b29035203a1318.tar.xz |
mx31moboard: SPI and MC13783 voltage regulator support
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 126 |
1 files changed, 125 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index ff74fab..f3ab51b 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -26,6 +26,9 @@ #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> #include <linux/platform_device.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> #include <linux/types.h> #include <asm/mach-types.h> @@ -39,7 +42,8 @@ #include <mach/iomux-mx3.h> #include <mach/i2c.h> #include <mach/mmc.h> -#include <mach/mx31.h> +#include <mach/mx3_camera.h> +#include <mach/spi.h> #include "devices.h" @@ -79,6 +83,16 @@ static unsigned int moboard_pins[] = { /* SEL */ MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9, MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11, + /* SPI1 */ + MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, + MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, + /* Atlas IRQ */ + MX31_PIN_GPIO1_3__GPIO1_3, + /* SPI2 */ + MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO, + MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS1__CSPI3_SS1, }; static struct physmap_flash_data mx31moboard_flash_data = { @@ -124,6 +138,108 @@ static struct imxi2c_platform_data moboard_i2c1_pdata = { .bitrate = 100000, }; +static int moboard_spi1_cs[] = { + MXC_SPI_CS(0), + MXC_SPI_CS(2), +}; + +static struct spi_imx_master moboard_spi1_master = { + .chipselect = moboard_spi1_cs, + .num_chipselect = ARRAY_SIZE(moboard_spi1_cs), +}; + +static struct regulator_consumer_supply sdhc_consumers[] = { + { + .dev = &mxcsdhc_device0.dev, + .supply = "sdhc0_vcc", + }, + { + .dev = &mxcsdhc_device1.dev, + .supply = "sdhc1_vcc", + }, +}; + +static struct regulator_init_data sdhc_vreg_data = { + .constraints = { + .min_uV = 2700000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_FAST, + .always_on = 0, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers), + .consumer_supplies = sdhc_consumers, +}; + +static struct regulator_consumer_supply cam_consumers[] = { + { + .dev = &mx3_camera.dev, + .supply = "cam_vcc", + }, +}; + +static struct regulator_init_data cam_vreg_data = { + .constraints = { + .min_uV = 2700000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_FAST, + .always_on = 0, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(cam_consumers), + .consumer_supplies = cam_consumers, +}; + +static struct mc13783_regulator_init_data moboard_regulators[] = { + { + .id = MC13783_REGU_VMMC1, + .init_data = &sdhc_vreg_data, + }, + { + .id = MC13783_REGU_VCAM, + .init_data = &cam_vreg_data, + }, +}; + +static struct mc13783_platform_data moboard_pmic = { + .regulators = moboard_regulators, + .num_regulators = ARRAY_SIZE(moboard_regulators), + .flags = MC13783_USE_REGULATOR | MC13783_USE_RTC, +}; + +static struct spi_board_info moboard_spi_board_info[] __initdata = { + { + .modalias = "mc13783", + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), + .max_speed_hz = 300000, + .bus_num = 1, + .chip_select = 0, + .platform_data = &moboard_pmic, + .mode = SPI_CS_HIGH, + }, + { + .modalias = "spidev", + .max_speed_hz = 300000, + .bus_num = 1, + .chip_select = 1, /* according spi1_cs[] ! */ + }, +}; + +static int moboard_spi2_cs[] = { + MXC_SPI_CS(1), +}; + +static struct spi_imx_master moboard_spi2_master = { + .chipselect = moboard_spi2_cs, + .num_chipselect = ARRAY_SIZE(moboard_spi2_cs), +}; + #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) @@ -304,6 +420,14 @@ static void __init mxc_board_init(void) mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata); mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata); + mxc_register_device(&mxc_spi_device1, &moboard_spi1_master); + mxc_register_device(&mxc_spi_device2, &moboard_spi2_master); + + gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); + spi_register_board_info(moboard_spi_board_info, + ARRAY_SIZE(moboard_spi_board_info)); + mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata); usb_xcvr_reset(); |