---

yaml
---
r: 184748
b: refs/heads/master
c: 5d4292a
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f2afbbb82e263086d02a772e43f5290b1a6f673e
+refs/heads/master: 5d4292a524d8908060b077f4d80c106cb288f2e7

trunk/arch/arm/mach-omap2/board-am3517evm.c

@@ -20,6 +20,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
+#include <linux/i2c/pca953x.h>
 
 #include <mach/hardware.h>
 #include <mach/am35xx.h>
@@ -71,11 +72,46 @@ static void __init am3517_evm_rtc_init(void)
 	am3517evm_i2c_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
 }
 
+/*
+ * I2C GPIO Expander - TCA6416
+ */
+
+/* Mounted on Base-Board */
+static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+};
+static struct i2c_board_info __initdata am3517evm_tca6516_info_0[] = {
+	{
+		I2C_BOARD_INFO("tca6416", 0x21),
+		.platform_data = &am3517evm_gpio_expander_info_0,
+	},
+};
+
+/* Mounted on UI Card */
+static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES + 16,
+};
+static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES + 32,
+};
+static struct i2c_board_info __initdata am3517evm_ui_tca6516_info[] = {
+	{
+		I2C_BOARD_INFO("tca6416", 0x20),
+		.platform_data = &am3517evm_ui_gpio_expander_info_1,
+	},
+	{
+		I2C_BOARD_INFO("tca6416", 0x21),
+		.platform_data = &am3517evm_ui_gpio_expander_info_2,
+	},
+};
+
 static int __init am3517_evm_i2c_init(void)
 {
 	omap_register_i2c_bus(1, 400, NULL, 0);
-	omap_register_i2c_bus(2, 400, NULL, 0);
-	omap_register_i2c_bus(3, 400, NULL, 0);
+	omap_register_i2c_bus(2, 400, am3517evm_tca6516_info_0,
+			ARRAY_SIZE(am3517evm_tca6516_info_0));
+	omap_register_i2c_bus(3, 400, am3517evm_ui_tca6516_info,
+			ARRAY_SIZE(am3517evm_ui_tca6516_info));
 
 	return 0;
 }