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Message-ID: <20240620013301.33653-1-twoerner@gmail.com>
Date: Wed, 19 Jun 2024 21:32:49 -0400
From: Trevor Woerner <twoerner@...il.com>
To: linux-kernel@...r.kernel.org,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Jonas Karlman <jonas@...boo.se>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Rockchip SoC support),
linux-rockchip@...ts.infradead.org (open list:ARM/Rockchip SoC support)
Subject: [PATCH] arm64: dts: rockchip: add gpio-line-names to radxa-zero-3
Add names to the pins of the general-purpose expansion header as given
in the Radxa documentation[1] following the conventions in the kernel[2]
to make it easier for users to correlate pins with functions when using
utilities such as 'gpioinfo'.
[1] https://docs.radxa.com/en/zero/zero3/hardware-design/hardware-interface
[2] https://www.kernel.org/doc/Documentation/devicetree/bindings/gpio/gpio.txt
Signed-off-by: Trevor Woerner <twoerner@...il.com>
---
.../dts/rockchip/rk3566-radxa-zero-3.dtsi | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi
index 623d5939d194..b72d75b908a2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi
@@ -109,6 +109,78 @@ &cpu3 {
cpu-supply = <&vdd_cpu>;
};
+&gpio0 {
+ gpio-line-names =
+ /* GPIO0_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO0_B0 - B7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO0_C0 - C7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO0_D0 - D7 */
+ "pin-10 [GPIO0_D0]", "pin-08 [GPIO0_D1]", "",
+ "", "", "", "", "";
+};
+
+&gpio1 {
+ gpio-line-names =
+ /* GPIO1_A0 - A7 */
+ "pin-03 [GPIO1_A0]", "pin-05 [GPIO1_A1]", "",
+ "", "pin-37 [GPIO1_A4]", "",
+ "", "",
+ /* GPIO1_B0 - B7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO1_C0 - C7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO1_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio2 {
+ gpio-line-names =
+ /* GPIO2_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO2_B0 - B7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO2_C0 - C7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO2_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio3 {
+ gpio-line-names =
+ /* GPIO3_A0 - A7 */
+ "", "pin-11 [GPIO3_A1]", "pin-13 [GPIO3_A2]",
+ "pin-12 [GPIO3_A3]", "pin-35 [GPIO3_A4]", "pin-40 [GPIO3_A5]",
+ "pin-38 [GPIO3_A6]", "pin-36 [GPIO3_A7]",
+ /* GPIO3_B0 - B7 */
+ "pin-15 [GPIO3_B0]", "pin-16 [GPIO3_B1]", "pin-18 [GPIO3_B2]",
+ "pin-29 [GPIO3_B3]", "pin-31 [GPIO3_B4]", "",
+ "", "",
+ /* GPIO3_C0 - C7 */
+ "", "pin-22 [GPIO3_C1]", "pin-32 [GPIO3_C2]",
+ "pin-33 [GPIO3_C3]", "pin-07 [GPIO3_C4]", "",
+ "", "",
+ /* GPIO3_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio4 {
+ gpio-line-names =
+ /* GPIO4_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO4_B0 - B7 */
+ "", "", "pin-27 [GPIO4_B2]",
+ "pin-28 [GPIO4_B3]", "", "", "", "",
+ /* GPIO4_C0 - C7 */
+ "", "", "pin-23 [GPIO4_C2]",
+ "pin-19 [GPIO4_C3]", "", "pin-21 [GPIO4_C5]",
+ "pin-24 [GPIO4_C6]", "",
+ /* GPIO4_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
&gpu {
mali-supply = <&vdd_gpu_npu>;
status = "okay";
--
2.44.0.501.g19981daefd7c
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