This patch adds i2c support for WeIO board.
WeIO is the new AR9331 MIPS based board for Internet of Things.
Project web-site is: http://we-io.net/
From 979d4670a008c2d1b1f6640f1643113619a90dec Mon Sep 17 00:00:00 2001
From: Drasko DRASKOVIC <[email protected]>
Date: Thu, 15 May 2014 00:36:35 +0200
Subject: [PATCH 4/5] weio: i2c - add I2C functionality to WeIO kernel
---
.../linux/ar71xx/files/arch/mips/ath79/mach-weio.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c
index 8317ee2..51534aa 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-weio.c
@@ -44,6 +44,8 @@
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
+#include "linux/i2c-gpio.h"
+#include "linux/platform_device.h"
#define WEIO_GPIO_LED_STA 1
#define WEIO_GPIO_LED_AP 16
@@ -93,6 +95,23 @@ static struct gpio_keys_button weio_gpio_keys[] __initdata = {
}
};
+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 struct platform_device *weio_devices[] __initdata = {
+ &weio_i2c_gpio
+};
+
static void __init weio_common_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
@@ -129,6 +148,8 @@ static void __init weio_setup(void)
AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
+ platform_add_devices(weio_devices, ARRAY_SIZE(weio_devices));
+
ath79_register_leds_gpio(-1, ARRAY_SIZE(weio_leds_gpio),
weio_leds_gpio);
--
1.8.5.3
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