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authorValentin Longchamp <valentin.longchamp@epfl.ch>2009-11-03 18:09:49 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2009-11-14 10:29:14 +0100
commit65da9791cba6f873c996099e19b29035203a1318 (patch)
tree4334a0f3f7dd177c92f5e9c055c3b549389a7448 /arch/arm/mach-mx3
parent10949fff622e1488f0c534a10bca8edf5df95682 (diff)
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.c126
1 files changed, 125 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index ff74fab34c85..f3ab51bcad49 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();