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

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

SVN-Revision: 35466

target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h

@@ -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 */

target/linux/ramips/files/arch/mips/ralink/rt3883/Kconfig

@@ -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

target/linux/ramips/files/arch/mips/ralink/rt3883/Makefile

@@ -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

target/linux/ramips/files/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);

target/linux/ramips/rt3883/config-3.7

@@ -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