diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 369 |
1 files changed, 244 insertions, 125 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index b62a68ba069b..5e035a58b809 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -20,6 +20,7 @@ #include <linux/regulator/machine.h> #include <linux/i2c/twl.h> +#include <linux/mmc/host.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -38,12 +39,61 @@ #define IGEP2_SMSC911X_CS 5 #define IGEP2_SMSC911X_GPIO 176 #define IGEP2_GPIO_USBH_NRESET 24 -#define IGEP2_GPIO_LED0_GREEN 26 -#define IGEP2_GPIO_LED0_RED 27 -#define IGEP2_GPIO_LED1_RED 28 -#define IGEP2_GPIO_DVI_PUP 170 -#define IGEP2_GPIO_WIFI_NPD 94 -#define IGEP2_GPIO_WIFI_NRESET 95 +#define IGEP2_GPIO_LED0_GREEN 26 +#define IGEP2_GPIO_LED0_RED 27 +#define IGEP2_GPIO_LED1_RED 28 +#define IGEP2_GPIO_DVI_PUP 170 + +#define IGEP2_RB_GPIO_WIFI_NPD 94 +#define IGEP2_RB_GPIO_WIFI_NRESET 95 +#define IGEP2_RB_GPIO_BT_NRESET 137 +#define IGEP2_RC_GPIO_WIFI_NPD 138 +#define IGEP2_RC_GPIO_WIFI_NRESET 139 +#define IGEP2_RC_GPIO_BT_NRESET 137 + +/* + * IGEP2 Hardware Revision Table + * + * -------------------------------------------------------------------------- + * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET | + * -------------------------------------------------------------------------- + * | 0 | B | high | gpio94 | gpio95 | - | + * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 | + * | 1 | C | low | gpio138 | gpio139 | gpio137 | + * -------------------------------------------------------------------------- + */ + +#define IGEP2_BOARD_HWREV_B 0 +#define IGEP2_BOARD_HWREV_C 1 + +static u8 hwrev; + +static void __init igep2_get_revision(void) +{ + u8 ret; + + omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT); + + if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) && + (gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) { + ret = gpio_get_value(IGEP2_GPIO_LED1_RED); + if (ret == 0) { + pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n"); + hwrev = IGEP2_BOARD_HWREV_C; + } else if (ret == 1) { + pr_info("IGEP2: Hardware Revision B/C (B compatible)\n"); + hwrev = IGEP2_BOARD_HWREV_B; + } else { + pr_err("IGEP2: Unknown Hardware Revision\n"); + hwrev = -1; + } + } else { + pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n"); + pr_err("IGEP2: Unknown Hardware Revision\n"); + } + + gpio_free(IGEP2_GPIO_LED1_RED); +} #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) @@ -107,7 +157,7 @@ static struct platform_device igep2_onenand_device = { }, }; -void __init igep2_flash_init(void) +static void __init igep2_flash_init(void) { u8 cs = 0; u8 onenandcs = GPMC_CS_NUM + 1; @@ -141,7 +191,7 @@ void __init igep2_flash_init(void) } #else -void __init igep2_flash_init(void) {} +static void __init igep2_flash_init(void) {} #endif #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) @@ -211,10 +261,6 @@ static struct regulator_consumer_supply igep2_vmmc1_supply = { .supply = "vmmc", }; -static struct regulator_consumer_supply igep2_vmmc2_supply = { - .supply = "vmmc", -}; - /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ static struct regulator_init_data igep2_vmmc1 = { .constraints = { @@ -230,37 +276,95 @@ static struct regulator_init_data igep2_vmmc1 = { .consumer_supplies = &igep2_vmmc1_supply, }; -/* VMMC2 for OMAP VDD_MMC2 (i/o) and MMC2 WIFI */ -static struct regulator_init_data igep2_vmmc2 = { - .constraints = { - .min_uV = 1850000, - .max_uV = 3150000, - .valid_modes_mask = REGULATOR_MODE_NORMAL - | REGULATOR_MODE_STANDBY, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE - | REGULATOR_CHANGE_MODE - | REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = 1, - .consumer_supplies = &igep2_vmmc2_supply, -}; - static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, - .wires = 4, + .caps = MMC_CAP_4_BIT_DATA, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, }, +#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE) { .mmc = 2, - .wires = 4, + .caps = MMC_CAP_4_BIT_DATA, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, }, +#endif {} /* Terminator */ }; +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#include <linux/leds.h> + +static struct gpio_led igep2_gpio_leds[] = { + [0] = { + .name = "gpio-led:red:d0", + .gpio = IGEP2_GPIO_LED0_RED, + .default_trigger = "default-off" + }, + [1] = { + .name = "gpio-led:green:d0", + .gpio = IGEP2_GPIO_LED0_GREEN, + .default_trigger = "default-off", + }, + [2] = { + .name = "gpio-led:red:d1", + .gpio = IGEP2_GPIO_LED1_RED, + .default_trigger = "default-off", + }, + [3] = { + .name = "gpio-led:green:d1", + .default_trigger = "heartbeat", + .gpio = -EINVAL, /* gets replaced */ + }, +}; + +static struct gpio_led_platform_data igep2_led_pdata = { + .leds = igep2_gpio_leds, + .num_leds = ARRAY_SIZE(igep2_gpio_leds), +}; + +static struct platform_device igep2_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &igep2_led_pdata, + }, +}; + +static void __init igep2_leds_init(void) +{ + platform_device_register(&igep2_led_device); +} + +#else +static inline void igep2_leds_init(void) +{ + if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) && + (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) { + gpio_export(IGEP2_GPIO_LED0_RED, 0); + gpio_set_value(IGEP2_GPIO_LED0_RED, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n"); + + if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) && + (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) { + gpio_export(IGEP2_GPIO_LED0_GREEN, 0); + gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n"); + + if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) && + (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) { + gpio_export(IGEP2_GPIO_LED1_RED, 0); + gpio_set_value(IGEP2_GPIO_LED1_RED, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n"); + +} +#endif + static int igep2_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { @@ -268,20 +372,48 @@ static int igep2_twl_gpio_setup(struct device *dev, mmc[0].gpio_cd = gpio + 0; omap2_hsmmc_init(mmc); - /* link regulators to MMC adapters ... we "know" the + /* + * link regulators to MMC adapters ... we "know" the * regulators will be set up only *after* we return. - */ + */ igep2_vmmc1_supply.dev = mmc[0].dev; - igep2_vmmc2_supply.dev = mmc[1].dev; + + /* + * REVISIT: need ehci-omap hooks for external VBUS + * power switch and overcurrent detect + */ + if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) || + (gpio_direction_input(gpio + 1) < 0)) + pr_err("IGEP2: Could not obtain gpio for EHCI NOC"); + + /* + * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN + * (out, active low) + */ + if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) || + (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0)) + pr_err("IGEP2: Could not obtain gpio for USBH_CPEN"); + + /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */ +#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE) + if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0) + && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) { + gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0); + gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n"); +#else + igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1; +#endif return 0; }; -static struct twl4030_gpio_platform_data igep2_gpio_data = { +static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = { .gpio_base = OMAP_MAX_GPIO_LINES, .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, - .use_leds = false, + .use_leds = true, .setup = igep2_twl_gpio_setup, }; @@ -355,47 +487,6 @@ static void __init igep2_display_init(void) pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n"); } -#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) -#include <linux/leds.h> - -static struct gpio_led igep2_gpio_leds[] = { - { - .name = "led0:red", - .gpio = IGEP2_GPIO_LED0_RED, - }, - { - .name = "led0:green", - .default_trigger = "heartbeat", - .gpio = IGEP2_GPIO_LED0_GREEN, - }, - { - .name = "led1:red", - .gpio = IGEP2_GPIO_LED1_RED, - }, -}; - -static struct gpio_led_platform_data igep2_led_pdata = { - .leds = igep2_gpio_leds, - .num_leds = ARRAY_SIZE(igep2_gpio_leds), -}; - -static struct platform_device igep2_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &igep2_led_pdata, - }, -}; - -static void __init igep2_init_led(void) -{ - platform_device_register(&igep2_led_device); -} - -#else -static inline void igep2_init_led(void) {} -#endif - static struct platform_device *igep2_devices[] __initdata = { &igep2_dss_device, }; @@ -425,14 +516,13 @@ static struct twl4030_platform_data igep2_twldata = { /* platform_data for children goes here */ .usb = &igep2_usb_data, .codec = &igep2_codec_data, - .gpio = &igep2_gpio_data, + .gpio = &igep2_twl4030_gpio_pdata, .vmmc1 = &igep2_vmmc1, - .vmmc2 = &igep2_vmmc2, .vpll2 = &igep2_vpll2, }; -static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = { +static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = { { I2C_BOARD_INFO("twl4030", 0x48), .flags = I2C_CLIENT_WAKE, @@ -441,14 +531,29 @@ static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = { }, }; -static int __init igep2_i2c_init(void) +static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = { + { + I2C_BOARD_INFO("eeprom", 0x50), + }, +}; + +static void __init igep2_i2c_init(void) { - omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo, - ARRAY_SIZE(igep2_i2c_boardinfo)); - /* Bus 3 is attached to the DVI port where devices like the pico DLP - * projector don't work reliably with 400kHz */ - omap_register_i2c_bus(3, 100, NULL, 0); - return 0; + int ret; + + ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo, + ARRAY_SIZE(igep2_i2c1_boardinfo)); + if (ret) + pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret); + + /* + * Bus 3 is attached to the DVI port where devices like the pico DLP + * projector don't work reliably with 400kHz + */ + ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo, + ARRAY_SIZE(igep2_i2c3_boardinfo)); + if (ret) + pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret); } static struct omap_musb_board_data musb_board_data = { @@ -476,9 +581,57 @@ static struct omap_board_mux board_mux[] __initdata = { #define board_mux NULL #endif +#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE) + +static void __init igep2_wlan_bt_init(void) +{ + unsigned npd, wreset, btreset; + + /* GPIO's for WLAN-BT combo depends on hardware revision */ + if (hwrev == IGEP2_BOARD_HWREV_B) { + npd = IGEP2_RB_GPIO_WIFI_NPD; + wreset = IGEP2_RB_GPIO_WIFI_NRESET; + btreset = IGEP2_RB_GPIO_BT_NRESET; + } else if (hwrev == IGEP2_BOARD_HWREV_C) { + npd = IGEP2_RC_GPIO_WIFI_NPD; + wreset = IGEP2_RC_GPIO_WIFI_NRESET; + btreset = IGEP2_RC_GPIO_BT_NRESET; + } else + return; + + /* Set GPIO's for WLAN-BT combo module */ + if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) && + (gpio_direction_output(npd, 1) == 0)) { + gpio_export(npd, 0); + } else + pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n"); + + if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) && + (gpio_direction_output(wreset, 1) == 0)) { + gpio_export(wreset, 0); + gpio_set_value(wreset, 0); + udelay(10); + gpio_set_value(wreset, 1); + } else + pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n"); + + if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) && + (gpio_direction_output(btreset, 1) == 0)) { + gpio_export(btreset, 0); + } else + pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n"); +} +#else +static inline void __init igep2_wlan_bt_init(void) { } +#endif + static void __init igep2_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); + + /* Get IGEP2 hardware revision */ + igep2_get_revision(); + /* Register I2C busses and drivers */ igep2_i2c_init(); platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices)); omap_serial_init(); @@ -486,50 +639,16 @@ static void __init igep2_init(void) usb_ehci_init(&ehci_pdata); igep2_flash_init(); - igep2_init_led(); + igep2_leds_init(); igep2_display_init(); igep2_init_smsc911x(); - /* GPIO userspace leds */ -#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE) - if ((gpio_request(IGEP2_GPIO_LED0_RED, "led0:red") == 0) && - (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) { - gpio_export(IGEP2_GPIO_LED0_RED, 0); - gpio_set_value(IGEP2_GPIO_LED0_RED, 0); - } else - pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n"); - - if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "led0:green") == 0) && - (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) { - gpio_export(IGEP2_GPIO_LED0_GREEN, 0); - gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0); - } else - pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n"); - - if ((gpio_request(IGEP2_GPIO_LED1_RED, "led1:red") == 0) && - (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) { - gpio_export(IGEP2_GPIO_LED1_RED, 0); - gpio_set_value(IGEP2_GPIO_LED1_RED, 0); - } else - pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n"); -#endif - - /* GPIO W-LAN + Bluetooth combo module */ - if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) && - (gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) { - gpio_export(IGEP2_GPIO_WIFI_NPD, 0); -/* gpio_set_value(IGEP2_GPIO_WIFI_NPD, 0); */ - } else - pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NPD\n"); + /* + * WLAN-BT combo module from MuRata wich has a Marvell WLAN + * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface. + */ + igep2_wlan_bt_init(); - if ((gpio_request(IGEP2_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) && - (gpio_direction_output(IGEP2_GPIO_WIFI_NRESET, 1) == 0)) { - gpio_export(IGEP2_GPIO_WIFI_NRESET, 0); - gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 0); - udelay(10); - gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 1); - } else - pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NRESET\n"); } MACHINE_START(IGEP0020, "IGEP v2 board") |