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authorFabio Estevam <fabio.estevam@freescale.com>2011-01-03 14:16:39 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-03 15:11:20 +0100
commitc67a3e09a5316bb34a14e2751cee719339934235 (patch)
tree15fa8e191f5d75f05024b784f57873690d926527 /arch/arm/mach-imx/mach-mx27_3ds.c
parentmx51: fix usb clock support (diff)
downloadlinux-c67a3e09a5316bb34a14e2751cee719339934235.tar.xz
linux-c67a3e09a5316bb34a14e2751cee719339934235.zip
ARM: imx/mx27_3ds: Add PMIC support
MX27_3DS board has a MC13783 PMIC connected to the CSPI2 port. Add support for the PMIC. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27_3ds.c')
-rw-r--r--arch/arm/mach-imx/mach-mx27_3ds.c77
1 files changed, 77 insertions, 0 deletions
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)