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mx31moboard: SPI and MC13783 voltage regulator support

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Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Valentin Longchamp 2009-11-03 18:09:49 +01:00 committed by Sascha Hauer
parent 10949fff62
commit 65da9791cb
1 changed files with 125 additions and 1 deletions
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126
arch/arm/mach-mx3/mx31moboard.c
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@ -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();