[PATCH v10 1/2] arm64: dts: mediatek: add pinctrl support for mt7986a

From: Sam Shih
Date: Mon Nov 22 2021 - 07:36:11 EST


Add mt7986a pinctrl node, and update pinmux setting for mt7986a

Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 20 +++++++++++++++++++
arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 21 ++++++++++++++++++++
2 files changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
index 6911862390d7..5cd760abff51 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -29,9 +29,29 @@ &uart0 {
};

&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
status = "okay";
};

&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>;
status = "okay";
};
+
+&pio {
+ uart1_pins: uart1-pins {
+ mux {
+ function = "uart";
+ groups = "uart1";
+ };
+ };
+
+ uart2_pins: uart2-pins {
+ mux {
+ function = "uart";
+ groups = "uart2";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 77906839cc85..b8da76b6ba47 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -107,6 +107,27 @@ watchdog: watchdog@1001c000 {
status = "disabled";
};

+ pio: pinctrl@1001f000 {
+ compatible = "mediatek,mt7986a-pinctrl";
+ reg = <0 0x1001f000 0 0x1000>,
+ <0 0x11c30000 0 0x1000>,
+ <0 0x11c40000 0 0x1000>,
+ <0 0x11e20000 0 0x1000>,
+ <0 0x11e30000 0 0x1000>,
+ <0 0x11f00000 0 0x1000>,
+ <0 0x11f10000 0 0x1000>,
+ <0 0x1000b000 0 0x1000>;
+ reg-names = "gpio", "iocfg_rt", "iocfg_rb", "iocfg_lt",
+ "iocfg_lb", "iocfg_tr", "iocfg_tl", "eint";
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&pio 0 0 100>;
+ interrupt-controller;
+ interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ #interrupt-cells = <2>;
+ };
+
trng: trng@1020f000 {
compatible = "mediatek,mt7986-rng",
"mediatek,mt7623-rng";
--
2.29.2