diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3evm.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 238 |
1 files changed, 204 insertions, 34 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index c2a0fca4aa5..b65848c59e1 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -30,6 +30,8 @@ #include <linux/usb/otg.h> #include <linux/smsc911x.h> +#include <linux/wl12xx.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/mmc/host.h> @@ -58,6 +60,13 @@ #define OMAP3EVM_ETHR_ID_REV 0x50 #define OMAP3EVM_ETHR_GPIO_IRQ 176 #define OMAP3EVM_SMSC911X_CS 5 +/* + * Eth Reset signal + * 64 = Generation 1 (<=RevD) + * 7 = Generation 2 (>=RevE) + */ +#define OMAP3EVM_GEN1_ETHR_GPIO_RST 64 +#define OMAP3EVM_GEN2_ETHR_GPIO_RST 7 static u8 omap3_evm_version; @@ -124,10 +133,15 @@ static struct platform_device omap3evm_smsc911x_device = { static inline void __init omap3evm_init_smsc911x(void) { - int eth_cs; + int eth_cs, eth_rst; struct clk *l3ck; unsigned int rate; + if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1) + eth_rst = OMAP3EVM_GEN1_ETHR_GPIO_RST; + else + eth_rst = OMAP3EVM_GEN2_ETHR_GPIO_RST; + eth_cs = OMAP3EVM_SMSC911X_CS; l3ck = clk_get(NULL, "l3_ck"); @@ -136,6 +150,27 @@ static inline void __init omap3evm_init_smsc911x(void) else rate = clk_get_rate(l3ck); + /* Configure ethernet controller reset gpio */ + if (cpu_is_omap3430()) { + if (gpio_request(eth_rst, "SMSC911x gpio") < 0) { + pr_err(KERN_ERR "Failed to request %d for smsc911x\n", + eth_rst); + return; + } + + if (gpio_direction_output(eth_rst, 1) < 0) { + pr_err(KERN_ERR "Failed to set direction of %d for" \ + " smsc911x\n", eth_rst); + return; + } + /* reset pulse to ethernet controller*/ + usleep_range(150, 220); + gpio_set_value(eth_rst, 0); + usleep_range(150, 220); + gpio_set_value(eth_rst, 1); + usleep_range(1, 2); + } + if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) { printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", OMAP3EVM_ETHR_GPIO_IRQ); @@ -235,9 +270,9 @@ static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev) gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0); if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) - gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); + gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); else - gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); + gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); lcd_enabled = 1; return 0; @@ -248,9 +283,9 @@ static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev) gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1); if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) - gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); + gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); else - gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); + gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); lcd_enabled = 0; } @@ -289,7 +324,7 @@ static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev) return -EINVAL; } - gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1); + gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 1); dvi_enabled = 1; return 0; @@ -297,7 +332,7 @@ static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev) static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev) { - gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0); + gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 0); dvi_enabled = 0; } @@ -328,14 +363,6 @@ static struct omap_dss_board_info omap3_evm_dss_data = { .default_device = &omap3_evm_lcd_device, }; -static struct platform_device omap3_evm_dss_device = { - .name = "omapdss", - .id = -1, - .dev = { - .platform_data = &omap3_evm_dss_data, - }, -}; - static struct regulator_consumer_supply omap3evm_vmmc1_supply = { .supply = "vmmc", }; @@ -381,6 +408,16 @@ static struct omap2_hsmmc_info mmc[] = { .gpio_cd = -EINVAL, .gpio_wp = 63, }, +#ifdef CONFIG_WL12XX_PLATFORM_DATA + { + .name = "wl1271", + .mmc = 2, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD, + .gpio_wp = -EINVAL, + .gpio_cd = -EINVAL, + .nonremovable = true, + }, +#endif {} /* Terminator */ }; @@ -411,6 +448,8 @@ static struct platform_device leds_gpio = { static int omap3evm_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { + int r; + /* gpio + 0 is "mmc0_cd" (input/IRQ) */ omap_mux_init_gpio(63, OMAP_PIN_INPUT); mmc[0].gpio_cd = gpio + 0; @@ -426,8 +465,12 @@ static int omap3evm_twl_gpio_setup(struct device *dev, */ /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ - gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + r = gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); + if (!r) + r = gpio_direction_output(gpio + TWL4030_GPIO_MAX, + (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) ? 1 : 0); + if (r) + printk(KERN_ERR "failed to get/set lcd_bkl gpio\n"); /* gpio + 7 == DVI Enable */ gpio_request(gpio + 7, "EN_DVI"); @@ -491,19 +534,15 @@ static struct twl4030_madc_platform_data omap3evm_madc_data = { .irq_line = 1, }; -static struct twl4030_codec_audio_data omap3evm_audio_data = { - .audio_mclk = 26000000, -}; +static struct twl4030_codec_audio_data omap3evm_audio_data; static struct twl4030_codec_data omap3evm_codec_data = { .audio_mclk = 26000000, .audio = &omap3evm_audio_data, }; -static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = { - .supply = "vdda_dac", - .dev = &omap3_evm_dss_device.dev, -}; +static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = + REGULATOR_SUPPLY("vdda_dac", "omapdss"); /* VDAC for DSS driving S-Video */ static struct regulator_init_data omap3_evm_vdac = { @@ -538,6 +577,66 @@ static struct regulator_init_data omap3_evm_vpll2 = { .consumer_supplies = &omap3_evm_vpll2_supply, }; +/* ads7846 on SPI */ +static struct regulator_consumer_supply omap3evm_vio_supply = + REGULATOR_SUPPLY("vcc", "spi1.0"); + +/* VIO for ads7846 */ +static struct regulator_init_data omap3evm_vio = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3evm_vio_supply, +}; + +#ifdef CONFIG_WL12XX_PLATFORM_DATA + +#define OMAP3EVM_WLAN_PMENA_GPIO (150) +#define OMAP3EVM_WLAN_IRQ_GPIO (149) + +static struct regulator_consumer_supply omap3evm_vmmc2_supply = + REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"); + +/* VMMC2 for driving the WL12xx module */ +static struct regulator_init_data omap3evm_vmmc2 = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3evm_vmmc2_supply, +}; + +static struct fixed_voltage_config omap3evm_vwlan = { + .supply_name = "vwl1271", + .microvolts = 1800000, /* 1.80V */ + .gpio = OMAP3EVM_WLAN_PMENA_GPIO, + .startup_delay = 70000, /* 70ms */ + .enable_high = 1, + .enabled_at_boot = 0, + .init_data = &omap3evm_vmmc2, +}; + +static struct platform_device omap3evm_wlan_regulator = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &omap3evm_vwlan, + }, +}; + +struct wl12xx_platform_data omap3evm_wlan_data __initdata = { + .irq = OMAP_GPIO_IRQ(OMAP3EVM_WLAN_IRQ_GPIO), + .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */ +}; +#endif + static struct twl4030_platform_data omap3evm_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, @@ -550,6 +649,7 @@ static struct twl4030_platform_data omap3evm_twldata = { .codec = &omap3evm_codec_data, .vdac = &omap3_evm_vdac, .vpll2 = &omap3_evm_vpll2, + .vio = &omap3evm_vio, }; static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = { @@ -627,16 +727,10 @@ static struct omap_board_config_kernel omap3_evm_config[] __initdata = { static void __init omap3_evm_init_early(void) { - omap_board_config = omap3_evm_config; - omap_board_config_size = ARRAY_SIZE(omap3_evm_config); omap2_init_common_infrastructure(); omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL); } -static struct platform_device *omap3_evm_devices[] __initdata = { - &omap3_evm_dss_device, -}; - static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, @@ -651,14 +745,76 @@ static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { }; #ifdef CONFIG_OMAP_MUX -static struct omap_board_mux board_mux[] __initdata = { +static struct omap_board_mux omap35x_board_mux[] __initdata = { + OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP | + OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW | + OMAP_PIN_OFF_WAKEUPENABLE), + OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | + OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW | + OMAP_PIN_OFF_WAKEUPENABLE), + OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | + OMAP_PIN_OFF_NONE), + OMAP3_MUX(GPMC_WAIT2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | + OMAP_PIN_OFF_NONE), +#ifdef CONFIG_WL12XX_PLATFORM_DATA + /* WLAN IRQ - GPIO 149 */ + OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + + /* WLAN POWER ENABLE - GPIO 150 */ + OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), + + /* MMC2 SDIO pin muxes for WL12xx */ + OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), +#endif + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; + +static struct omap_board_mux omap36x_board_mux[] __initdata = { OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW | OMAP_PIN_OFF_WAKEUPENABLE), OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | - OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW), + OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW | + OMAP_PIN_OFF_WAKEUPENABLE), + /* AM/DM37x EVM: DSS data bus muxed with sys_boot */ + OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(SYS_BOOT0, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(SYS_BOOT1, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(SYS_BOOT3, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(SYS_BOOT4, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), + OMAP3_MUX(SYS_BOOT6, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), +#ifdef CONFIG_WL12XX_PLATFORM_DATA + /* WLAN IRQ - GPIO 149 */ + OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + + /* WLAN POWER ENABLE - GPIO 150 */ + OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), + + /* MMC2 SDIO pin muxes for WL12xx */ + OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), +#endif + { .reg_offset = OMAP_MUX_TERMINATOR }, }; +#else +#define omap35x_board_mux NULL +#define omap36x_board_mux NULL #endif static struct omap_musb_board_data musb_board_data = { @@ -670,11 +826,18 @@ static struct omap_musb_board_data musb_board_data = { static void __init omap3_evm_init(void) { omap3_evm_get_revision(); - omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); + + if (cpu_is_omap3630()) + omap3_mux_init(omap36x_board_mux, OMAP_PACKAGE_CBB); + else + omap3_mux_init(omap35x_board_mux, OMAP_PACKAGE_CBB); + + omap_board_config = omap3_evm_config; + omap_board_config_size = ARRAY_SIZE(omap3_evm_config); omap3_evm_i2c_init(); - platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices)); + omap_display_init(&omap3_evm_dss_data); spi_register_board_info(omap3evm_spi_board_info, ARRAY_SIZE(omap3evm_spi_board_info)); @@ -714,6 +877,13 @@ static void __init omap3_evm_init(void) ads7846_dev_init(); omap3evm_init_smsc911x(); omap3_evm_display_init(); + +#ifdef CONFIG_WL12XX_PLATFORM_DATA + /* WL12xx WLAN Init */ + if (wl12xx_set_platform_data(&omap3evm_wlan_data)) + pr_err("error setting wl12xx data\n"); + platform_device_register(&omap3evm_wlan_regulator); +#endif } MACHINE_START(OMAP3EVM, "OMAP3 EVM") |