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authorGabor Juhos <juhosg@openwrt.org>2013-02-02 17:21:01 +0000
committerGabor Juhos <juhosg@openwrt.org>2013-02-02 17:21:01 +0000
commitd578f3ac3869c505a77c71dd1f336acc1d74aab5 (patch)
tree2fd3c3c7d2d9b202b2236710b28fed95e93b71fc /target/linux/ramips/files/arch/mips
parentb01e744632e7a21f19c709c43fc038d8b39f03d2 (diff)
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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
Diffstat (limited to 'target/linux/ramips/files/arch/mips')
-rw-r--r--target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h1
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt3883/Kconfig5
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt3883/Makefile1
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c157
4 files changed, 164 insertions, 0 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
index 238495d299..b3903fc226 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
+++ b/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 */
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt3883/Kconfig b/target/linux/ramips/files/arch/mips/ralink/rt3883/Kconfig
index 507cdb38b4..57823f0c67 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt3883/Kconfig
+++ b/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
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt3883/Makefile b/target/linux/ramips/files/arch/mips/ralink/rt3883/Makefile
index 125471af33..e1ab61e814 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt3883/Makefile
+++ b/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
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c b/target/linux/ramips/files/arch/mips/ralink/rt3883/mach-omni-emb-hpm.c
new file mode 100644
index 0000000000..77ccff624f
--- /dev/null
+++ b/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);