[PATCH] arm64: dts: nuvoton: Add pinctrl

From: William A. Kennington III
Date: Tue Apr 15 2025 - 21:59:18 EST


This is critical to support multifunction pins shared between devices as
well as generic GPIOs.

Signed-off-by: William A. Kennington III <william@xxxxxxxxxxxxxxx>
---
.../dts/nuvoton/nuvoton-common-npcm8xx.dtsi | 65 +++++++++++++++++++
1 file changed, 65 insertions(+)

diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi b/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi
index b2595f5c146b..dd1351698e77 100644
--- a/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi
+++ b/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi
@@ -207,4 +207,69 @@ watchdog2: watchdog@a01c {
};
};
};
+
+ pinctrl: pinctrl@f0010000 {
+ compatible = "nuvoton,npcm845-pinctrl";
+ ranges = <0x0 0x0 0xf0010000 0x8000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ nuvoton,sysgcr = <&gcr>;
+ status = "okay";
+ gpio0: gpio@f0010000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x0 0xB0>;
+ interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 0 32>;
+ };
+ gpio1: gpio@f0011000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x1000 0xB0>;
+ interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 32 32>;
+ };
+ gpio2: gpio@f0012000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x2000 0xB0>;
+ interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 64 32>;
+ };
+ gpio3: gpio@f0013000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x3000 0xB0>;
+ interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 96 32>;
+ };
+ gpio4: gpio@f0014000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x4000 0xB0>;
+ interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 128 32>;
+ };
+ gpio5: gpio@f0015000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x5000 0xB0>;
+ interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 160 32>;
+ };
+ gpio6: gpio@f0016000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x6000 0xB0>;
+ interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 192 32>;
+ };
+ gpio7: gpio@f0017000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x7000 0xB0>;
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&pinctrl 0 224 32>;
+ };
+ };
};
--
2.49.0.604.gff1f9ca942-goog