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ramips: rt3883: add kernel support for the Omnima EMB HPM board 

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35466
owl
Gabor Juhos 2013-02-02 17:21:01 +00:00
parent b01e744632
commit d578f3ac38
5 changed files with 165 additions and 0 deletions
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1
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
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@ -75,6 +75,7 @@ enum ramips_mach_type {
/* RT3662 based machines */
RAMIPS_MACH_DIR_645, /* D-Link DIR-645 */
RAMIPS_MACH_OMNI_EMB_HPM, /* Omnima EMB HPM */
RAMIPS_MACH_RT_N56U, /* Asus RT-N56U */
/* RT3883 based machines */

5
target/linux/ramips/files/arch/mips/ralink/rt3883/Kconfig
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@ -13,6 +13,11 @@ config RT3883_MACH_DIR_645
select RALINK_DEV_GPIO_BUTTONS
select RALINK_DEV_GPIO_LEDS
config RT3883_MACH_OMNI_EMB_HPM
bool "Omnima EMB HPM board support"
select RALINK_DEV_GPIO_BUTTONS
select RALINK_DEV_GPIO_LEDS
config RT3883_MACH_TEW_691GR
bool "TRENDnet TEW-691GR support"
select RALINK_DEV_GPIO_BUTTONS

1
target/linux/ramips/files/arch/mips/ralink/rt3883/Makefile
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@ -12,6 +12,7 @@ obj-y := irq.o setup.o devices.o rt3883.o clock.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_RT3883_MACH_DIR_645) += mach-dir-645.o
obj-$(CONFIG_RT3883_MACH_OMNI_EMB_HPM) += mach-omni-emb-hpm.o
obj-$(CONFIG_RT3883_MACH_RT_N56U) += mach-rt-n56u.o
obj-$(CONFIG_RT3883_MACH_TEW_691GR) += mach-tew-691gr.o
obj-$(CONFIG_RT3883_MACH_TEW_692GR) += mach-tew-692gr.o

157
target/linux/ramips/files/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c Normal file
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@ -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);

1
target/linux/ramips/rt3883/config-3.7
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@ -110,6 +110,7 @@ CONFIG_RALINK_DEV_GPIO_LEDS=y
CONFIG_RALINK_RT3883=y
CONFIG_RAMIPS_WDT=y
CONFIG_RT3883_MACH_DIR_645=y
CONFIG_RT3883_MACH_OMNI_EMB_HPM=y
CONFIG_RT3883_MACH_RT_N56U=y
CONFIG_RT3883_MACH_TEW_691GR=y
CONFIG_RT3883_MACH_TEW_692GR=y