[PATCH v1 7/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0
From: Emil Renner Berthing
Date: Fri Dec 15 2023 - 09:42:00 EST
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@xxxxxxxxxxxxx>
---
.../boot/dts/thead/th1520-beaglev-ahead.dts | 26 +++++++++++++++++++
.../boot/dts/thead/th1520-lichee-pi-4a.dts | 26 +++++++++++++++++++
2 files changed, 52 insertions(+)
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";
};
--
2.40.1