diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-osk.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-osk.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index e7130293a03..a61bf455ee0 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -31,18 +31,21 @@ #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/interrupt.h> +#include <linux/i2c.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <asm/hardware.h> +#include <asm/gpio.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/flash.h> -#include <asm/arch/gpio.h> #include <asm/arch/usb.h> +#include <asm/arch/tps65010.h> #include <asm/arch/mux.h> #include <asm/arch/tc.h> #include <asm/arch/common.h> @@ -179,6 +182,19 @@ static struct platform_device *osk5912_devices[] __initdata = { &osk5912_mcbsp1_device, }; +static struct i2c_board_info __initdata osk_i2c_board_info[] = { + { + I2C_BOARD_INFO("tps65010", 0x48), + .type = "tps65010", + .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)), + }, + /* TODO when driver support is ready: + * - aic23 audio chip at 0x1a + * - on Mistral, 24c04 eeprom at 0x50 + * - optionally on Mistral, ov9640 camera sensor at 0x30 + */ +}; + static void __init osk_init_smc91x(void) { if ((omap_request_gpio(0)) < 0) { @@ -397,6 +413,14 @@ static void __init osk_init(void) omap_board_config_size = ARRAY_SIZE(osk_config); USB_TRANSCEIVER_CTRL_REG |= (3 << 1); + /* irq for tps65010 chip */ + /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */ + if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0) + gpio_direction_input(OMAP_MPUIO(1)); + + i2c_register_board_info(1, osk_i2c_board_info, + ARRAY_SIZE(osk_i2c_board_info)); + omap_serial_init(); osk_mistral_init(); } @@ -406,6 +430,44 @@ static void __init osk_map_io(void) omap1_map_common_io(); } +#ifdef CONFIG_TPS65010 +static int __init osk_tps_init(void) +{ + if (!machine_is_omap_osk()) + return 0; + + /* Let LED1 (D9) blink */ + tps65010_set_led(LED1, BLINK); + + /* Disable LED 2 (D2) */ + tps65010_set_led(LED2, OFF); + + /* Set GPIO 1 HIGH to disable VBUS power supply; + * OHCI driver powers it up/down as needed. + */ + tps65010_set_gpio_out_value(GPIO1, HIGH); + + /* Set GPIO 2 low to turn on LED D3 */ + tps65010_set_gpio_out_value(GPIO2, HIGH); + + /* Set GPIO 3 low to take ethernet out of reset */ + tps65010_set_gpio_out_value(GPIO3, LOW); + + /* gpio4 for VDD_DSP */ + /* FIXME send power to DSP iff it's configured */ + + /* Enable LOW_PWR */ + tps65010_set_low_pwr(ON); + + /* Switch VLDO2 to 3.0V for AIC23 */ + tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V + | TPS_LDO1_ENABLE); + + return 0; +} +fs_initcall(osk_tps_init); +#endif + MACHINE_START(OMAP_OSK, "TI-OSK") /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ .phys_io = 0xfff00000, |