From e31639540d2b1474766e95c1a7b1b698468ba092 Mon Sep 17 00:00:00 2001
From: Bryan Wu <bryan.wu@analog.com>
Date: Thu, 24 Jan 2008 16:19:15 +0800
Subject: [PATCH] [Blackfin] arch: enable generic GPIO based I2C driver in
 STAMP-BF533, EZKIT-BF533 and EZKIT-BF561 boards

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---
 arch/blackfin/mach-bf533/boards/ezkit.c | 24 ++++++++++++++++++++++++
 arch/blackfin/mach-bf533/boards/stamp.c | 24 ++++++++++++++++++++++++
 arch/blackfin/mach-bf561/boards/ezkit.c | 24 ++++++++++++++++++++++++
 3 files changed, 72 insertions(+)

diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index ead5c12cbe9..c37dd45c880 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -280,6 +280,26 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
 
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#include <linux/i2c-gpio.h>
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin		= 1,
+	.scl_pin		= 0,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 40,
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &i2c_gpio_data,
+	},
+};
+#endif
+
 static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 	&smc91x_device,
@@ -308,6 +328,10 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
 #endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+	&i2c_gpio_device,
+#endif
 };
 
 static int __init ezkit_init(void)
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 68981693770..cd87df730ef 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -396,6 +396,26 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
 
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#include <linux/i2c-gpio.h>
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin		= 2,
+	.scl_pin		= 3,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 40,
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &i2c_gpio_data,
+	},
+};
+#endif
+
 static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 	&rtc_device,
@@ -433,6 +453,10 @@ static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
 #endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+	&i2c_gpio_device,
+#endif
 };
 
 static int __init stamp_init(void)
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index edfceb08a7d..36114dd4ab3 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -270,6 +270,26 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
 
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#include <linux/i2c-gpio.h>
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin		= 1,
+	.scl_pin		= 0,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 40,
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &i2c_gpio_data,
+	},
+};
+#endif
+
 static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 	&smc91x_device,
@@ -294,6 +314,10 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
 #endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+	&i2c_gpio_device,
+#endif
 };
 
 static int __init ezkit_init(void)
-- 
2.11.4.GIT