diff mbox series

[v3,2/2] arm64: dts: rockchip: fix pinmux of UART5 for PX30 Ringneck on Haikou

Message ID 20250225-ringneck-dtbos-v3-2-853a9a6dd597@cherry.de (mailing list archive)
State New
Headers show
Series arm64: dts: rockchip: pinmux fixes for PX30 Ringneck | expand

Commit Message

Quentin Schulz Feb. 25, 2025, 11:53 a.m. UTC 
From: Quentin Schulz <quentin.schulz@cherry.de>

UART5 uses GPIO0_B5 as UART RTS but muxed in its GPIO function,
therefore UART5 must request this pin to be muxed in that function, so
let's do that.

Fixes: 5963d97aa780 ("arm64: dts: rockchip: add rs485 support on uart5 of px30-ringneck-haikou")
Cc: stable@vger.kernel.org
Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
---
 arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts b/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts
index 9a568f3d0a9916dff22222c59e5e0c94ce226858..0e0d7b755b8733ff03083665f76807cc6954ca3e 100644
--- a/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts
@@ -194,6 +194,13 @@  sd_card_led_pin: sd-card-led-pin {
 			  <3 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
+
+	uart {
+		uart5_rts_pin: uart5-rts-pin {
+			rockchip,pins =
+			  <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
 };
 
 &pwm0 {
@@ -227,6 +234,8 @@  &uart0 {
 };
 
 &uart5 {
+	/* Add pinmux for rts-gpios (uart5_rts_pin) */
+	pinctrl-0 = <&uart5_xfer &uart5_rts_pin>;
 	rts-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
 	status = "okay";
 };