ARM: dts: rockchip: add second uart2 pinctrl on rk322x

Add secondary pinctrl set for UART2 which can be used to prevent conflicts
with sdmmc pins.

Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 5300a1e765eca05ef1607d70be08494f48a91e08..816b0796d816d489553f5d317c0b99c434f08af7 100644 (file)
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -705,6 +705,11 @@
                                                <1 19 RK_FUNC_2 &pcfg_pull_none>;
                        };
 
+                       uart21_xfer: uart21-xfer {
+                               rockchip,pins = <1 10 RK_FUNC_2 &pcfg_pull_up>,
+                                               <1 9 RK_FUNC_2 &pcfg_pull_none>;
+                       };
+
                        uart2_cts: uart2-cts {
                                rockchip,pins = <0 25 RK_FUNC_1 &pcfg_pull_none>;
                        };