diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-osk.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-osk.c | 119 |
1 files changed, 118 insertions, 1 deletions
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index e7130293a03..5db182da322 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -29,20 +29,24 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/interrupt.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 +183,19 @@ 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) { @@ -292,6 +309,18 @@ static struct platform_device osk5912_kp_device = { .resource = osk5912_kp_resources, }; +static struct omap_backlight_config mistral_bl_data = { + .default_intensity = 0xa0, +}; + +static struct platform_device mistral_bl_device = { + .name = "omap-bl", + .id = -1, + .dev = { + .platform_data = &mistral_bl_data, + }, +}; + static struct platform_device osk5912_lcd_device = { .name = "lcd_osk", .id = -1, @@ -299,6 +328,7 @@ static struct platform_device osk5912_lcd_device = { static struct platform_device *mistral_devices[] __initdata = { &osk5912_kp_device, + &mistral_bl_device, &osk5912_lcd_device, }; @@ -342,6 +372,38 @@ static void __init osk_mistral_init(void) * can't talk to the ads or even the i2c eeprom. */ + /* parallel camera interface */ + omap_cfg_reg(J15_1610_CAM_LCLK); + omap_cfg_reg(J18_1610_CAM_D7); + omap_cfg_reg(J19_1610_CAM_D6); + omap_cfg_reg(J14_1610_CAM_D5); + omap_cfg_reg(K18_1610_CAM_D4); + omap_cfg_reg(K19_1610_CAM_D3); + omap_cfg_reg(K15_1610_CAM_D2); + omap_cfg_reg(K14_1610_CAM_D1); + omap_cfg_reg(L19_1610_CAM_D0); + omap_cfg_reg(L18_1610_CAM_VS); + omap_cfg_reg(L15_1610_CAM_HS); + omap_cfg_reg(M19_1610_CAM_RSTZ); + omap_cfg_reg(Y15_1610_CAM_OUTCLK); + + /* serial camera interface */ + omap_cfg_reg(H19_1610_CAM_EXCLK); + omap_cfg_reg(W13_1610_CCP_CLKM); + omap_cfg_reg(Y12_1610_CCP_CLKP); + /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */ + // omap_cfg_reg(Y14_1610_CCP_DATAM); + omap_cfg_reg(W14_1610_CCP_DATAP); + + /* CAM_PWDN */ + if (omap_request_gpio(11) == 0) { + omap_cfg_reg(N20_1610_GPIO11); + omap_set_gpio_direction(11, 0 /* out */); + omap_set_gpio_dataout(11, 0 /* off */); + } else + pr_debug("OSK+Mistral: CAM_PWDN is awol\n"); + + // omap_cfg_reg(P19_1610_GPIO6); // BUSY omap_cfg_reg(P20_1610_GPIO4); // PENIRQ set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING); @@ -372,6 +434,15 @@ static void __init osk_mistral_init(void) } else printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); + /* LCD: backlight, and power; power controls other devices on the + * board, like the touchscreen, EEPROM, and wakeup (!) switch. + */ + omap_cfg_reg(PWL); + if (omap_request_gpio(2) == 0) { + omap_set_gpio_direction(2, 0 /* out */); + omap_set_gpio_dataout(2, 1 /* on */); + } + platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices)); } #else @@ -397,6 +468,14 @@ 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 +485,44 @@ 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, |