diff mbox series

[v1,7/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0

Message ID 20231215143906.3651122-8-emil.renner.berthing@canonical.com
State Superseded
Headers show
Series Add T-Head TH15020 SoC pin control | expand

Commit Message

Emil Renner Berthing Dec. 15, 2023, 2:39 p.m. UTC 
Add pinctrl settings for UART0 used as the default debug console on
both the Lichee Pi 4A and BeagleV Ahead boards.

Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
---
 .../boot/dts/thead/th1520-beaglev-ahead.dts   | 26 +++++++++++++++++++
 .../boot/dts/thead/th1520-lichee-pi-4a.dts    | 26 +++++++++++++++++++
 2 files changed, 52 insertions(+)
diff mbox series

Patch

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 91ba96588ae8..54d86aab6656 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -58,6 +58,32 @@  &dmac0 {
 	status = "okay";
 };
 
+&padctrl0_apsys {
+	uart0_pins: uart0-0 {
+		tx-pins {
+			pins = "UART0_TXD";
+			function = "0";
+			bias-disable;
+			drive-strength = <3>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+
+		rx-pins {
+			pins = "UART0_RXD";
+			function = "0";
+			bias-disable;
+			drive-strength = <1>;
+			input-enable;
+			input-schmitt-enable;
+			slew-rate = <0>;
+		};
+	};
+};
+
 &uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
index 0ae2c20d5641..260aa5e0769f 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -29,6 +29,32 @@  chosen {
 	};
 };
 
+&padctrl0_apsys {
+	uart0_pins: uart0-0 {
+		tx-pins {
+			pins = "UART0_TXD";
+			function = "0";
+			bias-disable;
+			drive-strength = <3>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+
+		rx-pins {
+			pins = "UART0_RXD";
+			function = "0";
+			bias-disable;
+			drive-strength = <1>;
+			input-enable;
+			input-schmitt-enable;
+			slew-rate = <0>;
+		};
+	};
+};
+
 &uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };