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ARM: imx/mx27_3ds: Add PMIC support

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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>
This commit is contained in:
Fabio Estevam
2011-01-03 11:16:39 -02:00
committed by Sascha Hauer
parent 711669e5b8
commit c67a3e09a5
2 changed files with 78 additions and 0 deletions
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1
arch/arm/mach-imx/Kconfig
View File

@@ -242,6 +242,7 @@ config MACH_MX27_3DS
select IMX_HAVE_PLATFORM_IMX_UART select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_EHCI select IMX_HAVE_PLATFORM_MXC_EHCI
select IMX_HAVE_PLATFORM_MXC_MMC select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_ULPI if USB_ULPI select MXC_ULPI if USB_ULPI
help help
Include support for MX27PDK platform. This includes specific Include support for MX27PDK platform. This includes specific

77
arch/arm/mach-imx/mach-mx27_3ds.c
View File

@@ -26,6 +26,9 @@
#include <linux/usb/otg.h> #include <linux/usb/otg.h>
#include <linux/usb/ulpi.h> #include <linux/usb/ulpi.h>
#include <linux/delay.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-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@@ -39,6 +42,7 @@
#define SD1_EN_GPIO (GPIO_PORTB + 25) #define SD1_EN_GPIO (GPIO_PORTB + 25)
#define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23) #define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23)
#define SPI2_SS0 (GPIO_PORTD + 21)
static const int mx27pdk_pins[] __initconst = { static const int mx27pdk_pins[] __initconst = {
/* UART1 */ /* UART1 */
@@ -87,6 +91,10 @@ static const int mx27pdk_pins[] __initconst = {
PE2_PF_USBOTG_DIR, PE2_PF_USBOTG_DIR,
PE24_PF_USBOTG_CLK, PE24_PF_USBOTG_CLK,
PE25_PF_USBOTG_DATA7, 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 = { 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); __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) static void __init mx27pdk_init(void)
{ {
@@ -199,6 +273,9 @@ static void __init mx27pdk_init(void)
if (!otg_mode_host) if (!otg_mode_host)
imx27_add_fsl_usb2_udc(&otg_device_pdata); 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) static void __init mx27pdk_timer_init(void)