ARM: dts: am437x-gp-evm: Add pinmux for uart0

Add pinmux for rx,tx,cts and rts lines of uart0. This will enable uart0
to use hardware flow control.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index a4f31739057f3640153f9d6d977204762322aba4..397e98b7e246ae0a45a280a867583c35f064020f 100644 (file)
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -501,6 +501,21 @@
                        AM4372_IOPAD(0x884, PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn2.gpio1_31 */
                >;
        };
+
+       uart0_pins_default: uart0_pins_default {
+               pinctrl-single,pins = <
+                       AM4372_IOPAD(0x968, PIN_INPUT | MUX_MODE0)              /* uart0_ctsn.uart0_ctsn */
+                       AM4372_IOPAD(0x96C, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_rtsn.uart0_rtsn */
+                       AM4372_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart0_rxd.uart0_rxd */
+                       AM4372_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_txd.uart0_txd */
+               >;
+       };
+};
+
+&uart0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_pins_default>;
 };
 
 &i2c0 {