linux-kernel - [PATCH 3/4] arm64: dts: mediatek: mt7981: add pinctrl

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Date: Wed, 21 Feb 2024 08:35:23 +0100
From: Rafał Miłecki <zajec5@...il.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Chen-Yu Tsai <wenst@...omium.org>,
	Hsin-Yi Wang <hsinyi@...omium.org>,
	Nícolas F . R . A . Prado <nfraprado@...labora.com>,
	Heiko Stuebner <heiko.stuebner@...rry.de>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Chris Morgan <macromorgan@...mail.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Sean Wang <sean.wang@...iatek.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH 3/4] arm64: dts: mediatek: mt7981: add pinctrl

From: Rafał Miłecki <rafal@...ecki.pl>

MT7981 contains on-SoC PIN controller that is also a GPIO provider.

Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
---
 arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 37 +++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 4feff3d1c5f4..fdd5c22cfc9c 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -86,6 +86,43 @@ pwm@...48000 {
 			#pwm-cells = <2>;
 		};
 
+		pio: pinctrl@...00000 {
+			compatible = "mediatek,mt7981-pinctrl";
+			reg = <0 0x11d00000 0 0x1000>,
+			      <0 0x11c00000 0 0x1000>,
+			      <0 0x11c10000 0 0x1000>,
+			      <0 0x11d20000 0 0x1000>,
+			      <0 0x11e00000 0 0x1000>,
+			      <0 0x11e20000 0 0x1000>,
+			      <0 0x11f00000 0 0x1000>,
+			      <0 0x11f10000 0 0x1000>,
+			      <0 0x1000b000 0 0x1000>;
+			reg-names = "gpio", "iocfg_rt", "iocfg_rm", "iocfg_rb", "iocfg_lb",
+				    "iocfg_bl", "iocfg_tm", "iocfg_tl", "eint";
+			interrupt-controller;
+			interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&gic>;
+			gpio-ranges = <&pio 0 0 56>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			#interrupt-cells = <2>;
+
+			mdio-pins {
+				mux {
+					function = "eth";
+					groups = "smi_mdc_mdio";
+				};
+			};
+
+			spi0-pins {
+				mux {
+					function = "spi";
+					groups = "spi0", "spi0_wp_hold";
+				};
+			};
+
+		};
+
 		clock-controller@...00000 {
 			compatible = "mediatek,mt7981-ethsys", "syscon";
 			reg = <0 0x15000000 0 0x1000>;
-- 
2.35.3