ARM: dts: imx28: add alternate auart4 pinmux

Add auart4 2-pin configuration on auart0 rts/cts pads.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index c5b57d4..fae7b90 100644 (file)
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -405,6 +405,17 @@
                                        fsl,pull-up = <MXS_PULL_DISABLE>;
                                };
 
+                               auart4_2pins_b: auart4@1 {
+                                       reg = <1>;
+                                       fsl,pinmux-ids = <
+                                               MX28_PAD_AUART0_CTS__AUART4_RX
+                                               MX28_PAD_AUART0_RTS__AUART4_TX
+                                       >;
+                                       fsl,drive-strength = <MXS_DRIVE_4mA>;
+                                       fsl,voltage = <MXS_VOLTAGE_HIGH>;
+                                       fsl,pull-up = <MXS_PULL_DISABLE>;
+                               };
+
                                mac0_pins_a: mac0@0 {
                                        reg = <0>;
                                        fsl,pinmux-ids = <