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@xxxxxxxxx> --- .../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
