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Diffstat (limited to 'arch/arm/mach-omap2/board-omap3beagle.c')
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index baa79674e9d5..38c88fbe658d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -28,6 +28,8 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
+#include <linux/i2c/twl4030.h>
+
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -38,7 +40,9 @@
#include <mach/common.h>
#include <mach/gpmc.h>
#include <mach/nand.h>
+#include <mach/mux.h>
+#include "mmc-twl4030.h"
#define GPMC_CS0_BASE 0x60
#define GPMC_CS_SIZE 0x30
@@ -103,6 +107,81 @@ static struct omap_uart_config omap3_beagle_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
+static struct twl4030_hsmmc_info mmc[] = {
+ {
+ .mmc = 1,
+ .wires = 8,
+ .gpio_wp = 29,
+ },
+ {} /* Terminator */
+};
+
+static struct gpio_led gpio_leds[];
+
+static int beagle_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+ omap_cfg_reg(AH8_34XX_GPIO29);
+ mmc[0].gpio_cd = gpio + 0;
+ twl4030_mmc_init(mmc);
+
+ /* REVISIT: need ehci-omap hooks for external VBUS
+ * power switch and overcurrent detect
+ */
+
+ gpio_request(gpio + 1, "EHCI_nOC");
+ gpio_direction_input(gpio + 1);
+
+ /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+ gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
+ gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+
+ /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data beagle_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .use_leds = true,
+ .pullups = BIT(1),
+ .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+ | BIT(15) | BIT(16) | BIT(17),
+ .setup = beagle_twl_gpio_setup,
+};
+
+static struct twl4030_platform_data beagle_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .gpio = &beagle_gpio_data,
+};
+
+static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &beagle_twldata,
+ },
+};
+
+static int __init omap3_beagle_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
+ ARRAY_SIZE(beagle_i2c_boardinfo));
+#ifdef CONFIG_I2C2_OMAP_BEAGLE
+ omap_register_i2c_bus(2, 400, NULL, 0);
+#endif
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
static void __init omap3_beagle_init_irq(void)
{
omap2_init_common_hw();
@@ -130,6 +209,11 @@ static struct gpio_led gpio_leds[] = {
.default_trigger = "mmc0",
.gpio = 149,
},
+ {
+ .name = "beagleboard::pmu_stat",
+ .gpio = -EINVAL, /* gets replaced */
+ .active_low = true,
+ },
};
static struct gpio_led_platform_data gpio_led_info = {
@@ -218,11 +302,18 @@ static void __init omap3beagle_flash_init(void)
static void __init omap3_beagle_init(void)
{
+ omap3_beagle_i2c_init();
platform_add_devices(omap3_beagle_devices,
ARRAY_SIZE(omap3_beagle_devices));
omap_board_config = omap3_beagle_config;
omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap_serial_init();
+
+ omap_cfg_reg(J25_34XX_GPIO170);
+ gpio_request(170, "DVI_nPD");
+ /* REVISIT leave DVI powered down until it's needed ... */
+ gpio_direction_output(170, true);
+
omap3beagle_flash_init();
}