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 a4f3173..397e98b 100644
--- 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 {
