linux-kernel - [PATCH v3 3/3] riscv: dts: spacemit: add gpio support for K1 SoC

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Message-Id: <20241225-03-k1-gpio-v3-3-27bb7b441d62@gentoo.org>
Date: Wed, 25 Dec 2024 08:32:41 +0800
From: Yixun Lan <dlan@...too.org>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Conor Dooley <conor@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>
Cc: Yangyu Chen <cyy@...self.name>, Jisheng Zhang <jszhang@...nel.org>, 
 Jesse Taube <mr.bossman075@...il.com>, 
 Inochi Amaoto <inochiama@...look.com>, Icenowy Zheng <uwu@...nowy.me>, 
 Meng Zhang <zhangmeng.kevin@...ux.spacemit.com>, linux-gpio@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, Yixun Lan <dlan@...too.org>
Subject: [PATCH v3 3/3] riscv: dts: spacemit: add gpio support for K1 SoC

Populate the GPIO node in the device tree for K1 SoC.
Also, map all 128 pins as GPIO to the pinctrl controller.

Signed-off-by: Yixun Lan <dlan@...too.org>
---
 arch/riscv/boot/dts/spacemit/k1.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index a2d5f7d4a942af26b3ba991928f23b2d9943366a..bdd25584d67c9a9e41f8d8227fe84a1bdeed7b41 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -416,6 +416,18 @@ uart9: serial@...17800 {
 			status = "disabled";
 		};
 
+		gpio: gpio@...19000 {
+			compatible = "spacemit,k1-gpio";
+			reg = <0x0 0xd4019000 0x0 0x800>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupts = <58>;
+			interrupt-parent = <&plic>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			gpio-ranges = <&pinctrl 0 0 128>;
+		};
+
 		pinctrl: pinctrl@...1e000 {
 			compatible = "spacemit,k1-pinctrl";
 			reg = <0x0 0xd401e000 0x0 0x400>;

-- 
2.47.1