arm:omap:am33xx : register i2c2 for beaglebone

Beaglebone uses i2c2 to detect expansion cards. This patch registers
i2c2 device along with setting up pin-muxes

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>

diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index 4c09cc97d13e2da1e598ffdbeb335b67f773f2be..8aa7e1072b6e87ae27878609fe655a73bed2daa1 100644 (file)
--- a/arch/arm/mach-omap2/board-am335xevm.c
+++ b/arch/arm/mach-omap2/board-am335xevm.c
@@ -541,6 +541,14 @@ static struct pinmux_config i2c1_pin_mux[] = {
        {NULL, 0},
 };
 
+static struct pinmux_config i2c2_pin_mux[] = {
+       {"uart1_ctsn.i2c2_sda",    OMAP_MUX_MODE3 | AM33XX_SLEWCTRL_SLOW |
+                                       AM33XX_PULL_UP | AM33XX_INPUT_EN},
+       {"uart1_rtsn.i2c2_scl",   OMAP_MUX_MODE3 | AM33XX_SLEWCTRL_SLOW |
+                                       AM33XX_PULL_UP | AM33XX_INPUT_EN},
+       {NULL, 0},
+};
+
 /* Module pin mux for mcasp1 */
 static struct pinmux_config mcasp1_pin_mux[] = {
        {"mii1_crs.mcasp1_aclkx", OMAP_MUX_MODE4 | AM33XX_PIN_INPUT_PULLDOWN},
@@ -1350,6 +1358,18 @@ static void i2c1_init(int evm_id, int profile)
        return;
 }
 
+
+static struct i2c_board_info am335x_i2c_boardinfo2[] = {
+};
+
+static void i2c2_init(int evm_id, int profile)
+{
+       setup_pin_mux(i2c2_pin_mux);
+       omap_register_i2c_bus(3, 100, am335x_i2c_boardinfo2,
+                       ARRAY_SIZE(am335x_i2c_boardinfo2));
+       return;
+}
+
 /* Setup McASP 1 */
 static void mcasp1_init(int evm_id, int profile)
 {
@@ -1704,6 +1724,7 @@ static struct evm_dev_cfg beaglebone_old_dev_cfg[] = {
        {usb0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
        {usb1_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
        {mmc0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
+       {i2c2_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
        {NULL, 0, 0},
 };
 
@@ -1714,6 +1735,7 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
        {usb0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
        {usb1_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
        {mmc0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
+       {i2c2_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
        {NULL, 0, 0},
 };