diff options
Diffstat (limited to 'target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c')
-rw-r--r-- | target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c b/target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c new file mode 100644 index 0000000..77ccff6 --- /dev/null +++ b/target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c @@ -0,0 +1,157 @@ +/* + * Omnima EMB HPM board support + * + * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/ethtool.h> +#include <linux/gpio.h> +#include <linux/rt2x00_platform.h> +#include <linux/spi/spi.h> + +#include <asm/mach-ralink/machine.h> +#include <asm/mach-ralink/dev-gpio-buttons.h> +#include <asm/mach-ralink/dev-gpio-leds.h> +#include <asm/mach-ralink/rt3883.h> +#include <asm/mach-ralink/rt3883_regs.h> +#include <asm/mach-ralink/ramips_eth_platform.h> + +#include "devices.h" + +#define OMNI_EMB_HPM_GPIO_LED_POWER 7 +#define OMNI_EMB_HPM_GPIO_LED_ETH_GREEN 20 +#define OMNI_EMB_HPM_GPIO_LED_ETH_RED 18 +#define OMNI_EMB_HPM_GPIO_LED_STATUS 21 +#define OMNI_EMB_HPM_GPIO_LED_WIFI_GREEN 17 +#define OMNI_EMB_HPM_GPIO_LED_WIFI_RED 19 + +#define OMNI_EMB_HPM_GPIO_BUTTON_RESET 14 + +#define OMNI_EMB_HPM_GPIO_USB0_ENABLE 2 +#define OMNI_EMB_HPM_GPIO_USB1_ENABLE 1 +#define OMNI_EMB_HPM_GPIO_USB0_OC 12 +#define OMNI_EMB_HPM_GPIO_USB1_OC 13 + +#define OMNI_EMB_HPM_KEYS_POLL_INTERVAL 20 +#define OMNI_EMB_HPM_KEYS_DEBOUNCE_INTERVAL (3 * OMNI_EMB_HPM_KEYS_POLL_INTERVAL) + +static struct gpio_led omni_emb_hpm_leds_gpio[] __initdata = { + { + .name = "emb:orange:power", + .gpio = OMNI_EMB_HPM_GPIO_LED_POWER, + .active_low = 1, + }, + { + .name = "emb:green:status", + .gpio = OMNI_EMB_HPM_GPIO_LED_STATUS, + }, + { + .name = "emb:green:eth", + .gpio = OMNI_EMB_HPM_GPIO_LED_ETH_GREEN, + .active_low = 1, + }, + { + .name = "emb:red:eth", + .gpio = OMNI_EMB_HPM_GPIO_LED_ETH_RED, + .active_low = 1, + }, + { + .name = "emb:green:wifi", + .gpio = OMNI_EMB_HPM_GPIO_LED_WIFI_GREEN, + .active_low = 1, + }, + { + .name = "emb:red:wifi", + .gpio = OMNI_EMB_HPM_GPIO_LED_WIFI_RED, + .active_low = 1, + }, +}; + +static struct gpio_keys_button omni_emb_hpm_gpio_buttons[] __initdata = { + { + .desc = "reset", + .type = EV_KEY, + .code = KEY_RESTART, + .debounce_interval = OMNI_EMB_HPM_KEYS_DEBOUNCE_INTERVAL, + .gpio = OMNI_EMB_HPM_GPIO_BUTTON_RESET, + .active_low = 1, + }, +}; + +static struct spi_board_info omni_emb_hpm_spi_info[] = { + { + .bus_num = 0, + .chip_select = 0, + .max_speed_hz = 25000000, + .modalias = "m25p80", + } +}; + + +static void __init omni_emb_hpm_gpio_request(unsigned int gpio, + unsigned long flags, + const char *label, + bool free) +{ + int err; + + err = gpio_request_one(gpio, flags, label); + if (err) { + pr_err("EMB_HPM: can't setup GPIO%u (%s), err=%d\n", + gpio, label, err); + return; + } + + if (free) + gpio_free(gpio); +} + +static void __init omni_emb_hpm_gpio_init(void) +{ + rt3883_gpio_init(RT3883_GPIO_MODE_I2C | + RT3883_GPIO_MODE_UART0(RT3883_GPIO_MODE_GPIO) | + RT3883_GPIO_MODE_JTAG); + + omni_emb_hpm_gpio_request(OMNI_EMB_HPM_GPIO_USB0_ENABLE, + GPIOF_OUT_INIT_HIGH, + "USB0 power", true); + omni_emb_hpm_gpio_request(OMNI_EMB_HPM_GPIO_USB1_ENABLE, + GPIOF_OUT_INIT_HIGH, + "USB1 power", true); + omni_emb_hpm_gpio_request(OMNI_EMB_HPM_GPIO_USB0_OC, + GPIOF_IN, "USB0 OC", false); + omni_emb_hpm_gpio_request(OMNI_EMB_HPM_GPIO_USB1_OC, + GPIOF_IN, "USB1 OC", false); +} + +static void __init omni_emb_hpm_init(void) +{ + omni_emb_hpm_gpio_init(); + + ramips_register_gpio_leds(-1, ARRAY_SIZE(omni_emb_hpm_leds_gpio), + omni_emb_hpm_leds_gpio); + + ramips_register_gpio_buttons(-1, OMNI_EMB_HPM_KEYS_POLL_INTERVAL, + ARRAY_SIZE(omni_emb_hpm_gpio_buttons), + omni_emb_hpm_gpio_buttons); + + rt3883_register_spi(omni_emb_hpm_spi_info, + ARRAY_SIZE(omni_emb_hpm_spi_info)); + + rt3883_register_wlan(); + + rt3883_eth_data.phy_mask = BIT(4); + rt3883_register_ethernet(); + + rt3883_register_wdt(false); + rt3883_register_usbhost(); +} + +MIPS_MACHINE(RAMIPS_MACH_OMNI_EMB_HPM, "OMNI-EMB-HPM", "Omnima EMB HPM", + omni_emb_hpm_init); |