mx31moboard: SPI and MC13783 voltage regulator support (65da9791) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm/mach-mx3/mx31moboard.c

+125 −1

Original line number	Diff line number	Diff line
		@@ -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();