ARM: dts: rockchip: Add alternate UART pins to rv1126

Add uart3m2_xfer and uart4m2_xfer pins for Rockchip RV1126. These are
used as serial ports for the indicator and Zigbee radio on the iHost.

Signed-off-by: Tim Lunn <tim@feathertop.org>
Link: https://lore.kernel.org/r/20231203124004.2676174-2-tim@feathertop.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi b/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
index bb34b0c9cb4a8893b47db95751e2a8b1c66eb301..4f85b7b3fc4cc1e1e72cc876e8aef2f28b2b5b06 100644 (file)
--- a/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
@@ -263,6 +263,14 @@
                                /* uart3_tx_m0 */
                                <3 RK_PC6 4 &pcfg_pull_up>;
                };
+               /omit-if-no-ref/
+               uart3m2_xfer: uart3m2-xfer {
+                       rockchip,pins =
+                               /* uart3_rx_m2 */
+                               <3 RK_PA1 4 &pcfg_pull_up>,
+                               /* uart3_tx_m2 */
+                               <3 RK_PA0 4 &pcfg_pull_up>;
+               };
        };
        uart4 {
                /omit-if-no-ref/
@@ -273,6 +281,14 @@
                                /* uart4_tx_m0 */
                                <3 RK_PA4 4 &pcfg_pull_up>;
                };
+               /omit-if-no-ref/
+               uart4m2_xfer: uart4m2-xfer {
+                       rockchip,pins =
+                               /* uart4_rx_m2 */
+                               <1 RK_PD4 3 &pcfg_pull_up>,
+                               /* uart4_tx_m2 */
+                               <1 RK_PD5 3 &pcfg_pull_up>;
+               };
        };
        uart5 {
                /omit-if-no-ref/