linux-kernel - [PATCH v9 3/4] arm64: dts: mediatek: add pinctrl support for mt7986a

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Date:   Fri, 22 Oct 2021 20:40:35 +0800
From:   Sam Shih <sam.shih@...iatek.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...nel.org>, <linux-gpio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     John Crispin <john@...ozen.org>,
        Ryder Lee <Ryder.Lee@...iatek.com>,
        Sam Shih <sam.shih@...iatek.com>
Subject: [PATCH v9 3/4] arm64: dts: mediatek: add pinctrl support for mt7986a

Add mt7986a pinctrl node, and update pinmux setting for mt7986a

Signed-off-by: Sam Shih <sam.shih@...iatek.com>
---
 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 ca074cf8e578..92e3f59c6cee 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -30,9 +30,29 @@ &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 1938fab455d5..398f93385acf 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -128,6 +128,27 @@ apmixedsys: apmixedsys@...1e000 {
 			#clock-cells = <1>;
 		};
 
+		pio: pinctrl@...1f000 {
+			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>;
+		};
+
 		sgmiisys0: syscon@...60000 {
 			compatible = "mediatek,mt7986-sgmiisys_0",
 				     "syscon";
-- 
2.29.2