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[5/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0

Message ID 20241014-th1520-pinctrl-dts-v1-5-268592ca786e@tenstorrent.com (mailing list archive)
State Handled Elsewhere
Headers show
Series riscv: dts: thead: Add TH1520 pin controller support | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR fail PR summary
conchuod/patch-5-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh took 142.39s
conchuod/patch-5-test-2 success .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh took 1257.93s
conchuod/patch-5-test-3 success .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh took 1446.36s
conchuod/patch-5-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh took 21.11s
conchuod/patch-5-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh took 23.02s
conchuod/patch-5-test-6 success .github/scripts/patches/tests/checkpatch.sh took 0.63s
conchuod/patch-5-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh took 45.56s
conchuod/patch-5-test-8 success .github/scripts/patches/tests/header_inline.sh took 0.00s
conchuod/patch-5-test-9 success .github/scripts/patches/tests/kdoc.sh took 0.57s
conchuod/patch-5-test-10 success .github/scripts/patches/tests/module_param.sh took 0.01s
conchuod/patch-5-test-11 success .github/scripts/patches/tests/verify_fixes.sh took 0.00s
conchuod/patch-5-test-12 success .github/scripts/patches/tests/verify_signedoff.sh took 0.03s

Commit Message

Drew Fustini Oct. 14, 2024, 5:54 p.m. UTC 
From: Emil Renner Berthing <emil.renner.berthing@canonical.com>

Add pinctrl settings for UART0 used as the default debug console on
both the Lichee Pi 4A and BeagleV Ahead boards.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 26 ++++++++++++++++++++++
 arch/riscv/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 1a4154a6ff3b..0484fb390be4 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -61,6 +61,30 @@  &emmc {
 	status = "okay";
 };
 
+&padctrl0_apsys {
+	uart0_pins: uart0-0 {
+		tx-pins {
+			pins = "UART0_TXD";
+			function = "uart";
+			bias-disable;
+			drive-strength = <3>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+
+		rx-pins {
+			pins = "UART0_RXD";
+			function = "uart";
+			bias-pull-up;
+			drive-strength = <1>;
+			input-enable;
+			input-schmitt-enable;
+			slew-rate = <0>;
+		};
+	};
+};
+
 &sdio0 {
 	bus-width = <4>;
 	max-frequency = <198000000>;
@@ -68,6 +92,8 @@  &sdio0 {
 };
 
 &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 58ad381fc1c3..f60b1879192d 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -30,7 +30,33 @@  chosen {
 	};
 };
 
+&padctrl0_apsys {
+	uart0_pins: uart0-0 {
+		tx-pins {
+			pins = "UART0_TXD";
+			function = "uart";
+			bias-disable;
+			drive-strength = <3>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+
+		rx-pins {
+			pins = "UART0_RXD";
+			function = "uart";
+			bias-disable;
+			drive-strength = <1>;
+			input-enable;
+			input-schmitt-enable;
+			slew-rate = <0>;
+		};
+	};
+};
+
 &uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };