[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>

3 files changed, 72 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index ead5c12cbe90..c37dd45c8803 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 689816937703..cd87df730ef5 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 edfceb08a7d5..36114dd4ab3a 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)