From b4116ede36da628a517a94d6cba9dba4a02104a4 Mon Sep 17 00:00:00 2001
From: "Patil, Rachna" <rachna@ti.com>
Date: Sun, 22 Jan 2012 23:47:01 +0000
Subject: ARM: AM33XX: Add i2c support

Add i2c driver board hookup for AM335X EVM

Signed-off-by: Chandan Nath <chandan.nath@ti.com>
Signed-off-by: Patil, Rachna <rachna@ti.com>
---
 board/ti/am335x/evm.c |  7 +++++++
 board/ti/am335x/mux.c | 13 +++++++++++++
 2 files changed, 20 insertions(+)

(limited to 'board/ti')

diff --git a/board/ti/am335x/evm.c b/board/ti/am335x/evm.c
index 6a9f788299..13dc60361a 100644
--- a/board/ti/am335x/evm.c
+++ b/board/ti/am335x/evm.c
@@ -18,6 +18,7 @@
 #include <asm/arch/hardware.h>
 #include <asm/arch/common_def.h>
 #include <serial.h>
+#include <i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -42,6 +43,12 @@ int init_basic_setup(void)
 int board_init(void)
 {
 	enable_uart0_pin_mux();
+
+#ifdef CONFIG_I2C
+	enable_i2c0_pin_mux();
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+
 	init_basic_setup();
 
 	return 0;
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c
index 4cb0cdf361..9ccb43642b 100644
--- a/board/ti/am335x/mux.c
+++ b/board/ti/am335x/mux.c
@@ -272,6 +272,14 @@ static struct module_pin_mux mmc0_pin_mux[] = {
 };
 #endif
 
+static struct module_pin_mux i2c0_pin_mux[] = {
+	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
+			PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
+	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
+			PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
+	{-1},
+};
+
 /*
  * Configure the pin mux for the module
  */
@@ -297,3 +305,8 @@ void enable_mmc0_pin_mux(void)
 	configure_module_pin_mux(mmc0_pin_mux);
 }
 #endif
+
+void enable_i2c0_pin_mux(void)
+{
+	configure_module_pin_mux(i2c0_pin_mux);
+}
-- 
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