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Message-Id: <20230718062200.79306-3-jaewon02.kim@samsung.com>
Date: Tue, 18 Jul 2023 15:22:00 +0900
From: Jaewon Kim <jaewon02.kim@...sung.com>
To: Thierry Reding <thierry.reding@...il.com>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org,
Jaewon Kim <jaewon02.kim@...sung.com>
Subject: [PATCH v6 2/2] arm64: dts: exynos: add pwm node for
exynosautov9-sadk
Add pwm node to support fan on exynosautov9-sadk board.
PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling
in SADK board.
Signed-off-by: Jaewon Kim <jaewon02.kim@...sung.com>
---
arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts | 6 ++++++
arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 11 +++++++++++
2 files changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
index 101f51bf565a..bc1815f6ada2 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
+++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
@@ -49,6 +49,12 @@
};
};
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_tout3>;
+ status = "okay";
+};
+
&serial_0 {
pinctrl-0 = <&uart0_bus_dual>;
status = "okay";
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index d3c5cdeff47f..16669b0443fa 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -1560,6 +1560,17 @@
samsung,syscon-phandle = <&pmu_system_controller>;
samsung,cluster-index = <1>;
};
+
+ pwm: pwm@...f0000 {
+ compatible = "samsung,exynosautov9-pwm",
+ "samsung,exynos4210-pwm";
+ reg = <0x103f0000 0x100>;
+ samsung,pwm-outputs = <0>, <1>, <2>, <3>;
+ #pwm-cells = <3>;
+ clocks = <&xtcxo>;
+ clock-names = "timers";
+ status = "disabled";
+ };
};
};
--
2.17.1
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