linux-kernel - [PATCH v4 6/9] ARM: dts: wpcm450: Add pinctrl and GPIO nodes

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Message-Id: <20220109173000.1242703-7-j.neuschaefer@gmx.net>
Date:   Sun,  9 Jan 2022 18:29:57 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, openbmc@...ts.ozlabs.org,
        Tomer Maimon <tmaimon77@...il.com>,
        Joel Stanley <joel@....id.au>, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Avi Fishman <avifishman70@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Jonathan Neuschäfer <j.neuschaefer@....net>
Subject: [PATCH v4 6/9] ARM: dts: wpcm450: Add pinctrl and GPIO nodes

This patch adds the pin controller and GPIO banks to the devicetree for the
WPCM450 SoC.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

---
v4:
- no changes

v3:
- Add Linus' R-b tag
- Remove nuvoton,interrupt-map again, to simplify the binding
- Make tuples clearer

v2:
- https://lore.kernel.org/lkml/20211207210823.1975632-7-j.neuschaefer@gmx.net/
- Move GPIO banks into subnodes
- Add /alias/gpio*

v1:
- https://lore.kernel.org/lkml/20210602120329.2444672-7-j.neuschaefer@gmx.net/
---
 arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 72 ++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
index a17ee70085dd0..66c35626c80a6 100644
--- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
+++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
@@ -8,6 +8,17 @@ / {
 	#address-cells = <1>;
 	#size-cells = <1>;

+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+		gpio3 = &gpio3;
+		gpio4 = &gpio4;
+		gpio5 = &gpio5;
+		gpio6 = &gpio6;
+		gpio7 = &gpio7;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -77,5 +88,66 @@ aic: interrupt-controller@...02000 {
 			interrupt-controller;
 			#interrupt-cells = <2>;
 		};
+
+		pinctrl: pinctrl@...03000 {
+			compatible = "nuvoton,wpcm450-pinctrl";
+			reg = <0xb8003000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			gpio0: gpio@0 {
+				reg = <0>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupts = <2 IRQ_TYPE_LEVEL_HIGH>,
+					     <3 IRQ_TYPE_LEVEL_HIGH>,
+					     <4 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-controller;
+			};
+
+			gpio1: gpio@1 {
+				reg = <1>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-controller;
+			};
+
+			gpio2: gpio@2 {
+				reg = <2>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio3: gpio@3 {
+				reg = <3>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio4: gpio@4 {
+				reg = <4>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio5: gpio@5 {
+				reg = <5>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio6: gpio@6 {
+				reg = <6>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio7: gpio@7 {
+				reg = <7>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+		};
 	};
 };
--
2.30.2