linux-kernel - [PATCH 3/6] arm64: dts: rockchip: add pwm-beeper to rk3399-puma-haikou

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Message-Id: <20240529-buzzer_support-v1-3-fd3eb0a24442@cherry.de>
Date: Wed, 29 May 2024 12:10:32 +0200
From: Farouk Bouabid <farouk.bouabid@...rry.de>
To: Uwe Kleine-König <ukleinek@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Quentin Schulz <quentin.schulz@...rry.de>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-pwm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, 
 Farouk Bouabid <farouk.bouabid@...rry.de>
Subject: [PATCH 3/6] arm64: dts: rockchip: add pwm-beeper to
 rk3399-puma-haikou

Add PWM-beeper that uses Mule PWM-over-I2C controller on i2c-mux (0x18).

Signed-off-by: Farouk Bouabid <farouk.bouabid@...rry.de>
---
 arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts |  5 +++++
 arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi       | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index f6f15946579e..3d57c606707b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
@@ -15,6 +15,11 @@ aliases {
 		mmc1 = &sdmmc;
 	};
 
+	beeper {
+		compatible = "pwm-beeper";
+		pwms = <&mule_pwm 0 250000>;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index 69b57cde7d78..e3d2d27d4ca3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -11,6 +11,7 @@ / {
 	aliases {
 		ethernet0 = &gmac;
 		i2c10 = &i2c10;
+		i2c11 = &i2c11;
 		mmc0 = &sdhci;
 	};
 
@@ -395,6 +396,18 @@ fan: fan@18 {
 				#cooling-cells = <2>;
 			};
 		};
+
+		i2c11: i2c@1 {
+			reg = <0x1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mule_pwm: pwm@18 {
+				compatible = "tsd,pwm-mule";
+				reg = <0x18>;
+				#pwm-cells = <2>;
+			};
+		};
 	};
 
 	rtc_twi: rtc@6f {

-- 
2.34.1