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From: Farouk Bouabid <farouk.bouabid@cherry.de>
Date: Wed, 29 May 2024 12:10:33 +0200
Subject: [PATCH 4/6] arm64: dts: rockchip: add pwm-beeper to
 px30-ringneck-haikou
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 Quentin Schulz <quentin.schulz@cherry.de>, Heiko Stuebner <heiko@sntech.de>
Cc: linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
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Add PWM-beeper that uses Mule PWM-over-I2C controller on i2c-mux (0x18).

Signed-off-by: Farouk Bouabid <farouk.bouabid@cherry.de>
---
 arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts |  5 +++++
 arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi       | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts b/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts
index ae398acdcf45..513ecb382ccd 100644
--- a/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts
@@ -17,6 +17,11 @@ aliases {
 		mmc2 = &sdmmc;
 	};
 
+	beeper {
+		compatible = "pwm-beeper";
+		pwms = <&mule_pwm 0 250000>;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
index eea906379983..0eee06024484 100644
--- a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
@@ -10,6 +10,7 @@
 / {
 	aliases {
 		i2c10 = &i2c10;
+		i2c11 = &i2c11;
 		mmc0 = &emmc;
 		mmc1 = &sdio;
 		rtc0 = &rtc_twi;
@@ -309,6 +310,18 @@ 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