ar71xx: Add WeIO Board Support

Add support for WeIO board (http://we-io.net).
This board is based on Carambola2 board form 8Devices.

Signed-off-by: Drasko DRASKOVIC <drasko.draskovic@gmail.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org> [some cleanups]

SVN-Revision: 47036

1 files changed, 140 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c
new file mode 100644
index 0000000000..3973ada7c3
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c
@@ -0,0 +1,140 @@
+/**
+ * WEIO Web Of Things Platform
+ *
+ * Copyright (C) 2013 Drasko DRASKOVIC and Uros PETREVSKI
+ *
+ *              ##      ## ######## ####  #######  
+ *              ##  ##  ## ##        ##  ##     ## 
+ *              ##  ##  ## ##        ##  ##     ## 
+ *              ##  ##  ## ######    ##  ##     ## 
+ *              ##  ##  ## ##        ##  ##     ## 
+ *              ##  ##  ## ##        ##  ##     ## 
+ *               ###  ###  ######## ####  #######
+ *
+ *                   Web Of Things Platform
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Authors : 
+ * Drasko DRASKOVIC <drasko.draskovic@gmail.com>
+ * Uros PETREVSKI <uros@nodesign.net>
+ */
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <linux/i2c-gpio.h>
+#include <linux/platform_device.h>
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-spi.h"
+#include "dev-usb.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+#define WEIO_GPIO_LED_STA		1
+#define WEIO_GPIO_LED_AP		16
+
+#define WEIO_GPIO_BTN_AP		20
+#define WEIO_GPIO_BTN_RESET		23
+
+#define WEIO_KEYS_POLL_INTERVAL		20	/* msecs */
+#define WEIO_KEYS_DEBOUNCE_INTERVAL	(3 * WEIO_KEYS_POLL_INTERVAL)
+
+#define WEIO_MAC0_OFFSET			0x0000
+#define WEIO_MAC1_OFFSET			0x0006
+#define WEIO_CALDATA_OFFSET			0x1000
+#define WEIO_WMAC_MAC_OFFSET		0x1002
+
+static struct gpio_led weio_leds_gpio[] __initdata = {
+	{
+		.name		= "weio:green:sta",
+		.gpio		= WEIO_GPIO_LED_STA,
+		.active_low	= 1,
+		.default_state = LEDS_GPIO_DEFSTATE_ON,
+	},
+	{
+		.name		= "weio:green:ap",
+		.gpio		= WEIO_GPIO_LED_AP,
+		.active_low	= 1,
+		.default_state = LEDS_GPIO_DEFSTATE_ON,
+	}
+};
+
+static struct gpio_keys_button weio_gpio_keys[] __initdata = {
+	{
+		.desc		= "ap button",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.debounce_interval = WEIO_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= WEIO_GPIO_BTN_AP,
+		.active_low	= 1,
+	},
+	{
+		.desc		= "soft-reset button",
+		.type		= EV_KEY,
+		.code		= BTN_1,
+		.debounce_interval = WEIO_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= WEIO_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static struct i2c_gpio_platform_data weio_i2c_gpio_data = {
+	.sda_pin        = 18,
+	.scl_pin        = 19,
+};
+
+static struct platform_device weio_i2c_gpio = {
+	.name           = "i2c-gpio",
+	.id             = 0,
+	.dev            = {
+		.platform_data  = &weio_i2c_gpio_data,
+	},
+};
+
+static void __init weio_common_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ath79_register_m25p80(NULL);
+	ath79_register_wmac(art + WEIO_CALDATA_OFFSET, art + WEIO_WMAC_MAC_OFFSET);
+}
+
+static void __init weio_setup(void)
+{
+	weio_common_setup();
+
+	ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+				AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+				AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+				AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+				AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
+
+	platform_device_register(&weio_i2c_gpio);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(weio_leds_gpio),
+				weio_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, WEIO_KEYS_POLL_INTERVAL,
+				ARRAY_SIZE(weio_gpio_keys),
+				weio_gpio_keys);
+
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_WEIO, "WEIO", "WeIO board", weio_setup);