linux-kernel - [PATCH 11/11] riscv: dts: sophgo: add pwm controller for SG2044

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Message-ID: <20250608232836.784737-12-inochiama@gmail.com>
Date: Mon,  9 Jun 2025 07:28:35 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Longbin Li <looong.bin@...il.com>
Cc: Han Gao <rabenda.cn@...il.com>,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	sophgo@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	Yixun Lan <dlan@...too.org>
Subject: [PATCH 11/11] riscv: dts: sophgo: add pwm controller for SG2044

From: Longbin Li <looong.bin@...il.com>

Add pwm device node for SG2044.

Signed-off-by: Longbin Li <looong.bin@...il.com>
Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
 arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts |  4 ++++
 arch/riscv/boot/dts/sophgo/sg2044.dtsi               | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
index 01340f21848f..b50c3a872d8b 100644
--- a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
@@ -63,6 +63,10 @@ mcu: syscon@17 {
 	};
 };
 
+&pwm {
+	status = "okay";
+};
+
 &sd {
 	bus-width = <4>;
 	no-sdio;
diff --git a/arch/riscv/boot/dts/sophgo/sg2044.dtsi b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
index b65e491deb8f..f88cabe75790 100644
--- a/arch/riscv/boot/dts/sophgo/sg2044.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
@@ -347,6 +347,16 @@ portc: gpio-controller@0 {
 			};
 		};
 
+		pwm: pwm@...000c000 {
+			compatible = "sophgo,sg2044-pwm";
+			reg = <0x70 0x4000c000 0x0 0x1000>;
+			#pwm-cells = <3>;
+			clocks = <&clk CLK_GATE_APB_PWM>;
+			clock-names = "apb";
+			resets = <&rst RST_PWM>;
+			status = "disabled";
+		};
+
 		syscon: syscon@...0000000 {
 			compatible = "sophgo,sg2044-top-syscon", "syscon";
 			reg = <0x70 0x50000000 0x0 0x1000>;
-- 
2.49.0