From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Heiko Stuebner <heiko@sntech.de>
Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, kernel@collabora.com
Subject: [PATCH 2/2] arm64: dts: rockchip: rk3588-rock-5b: Add pwm-fan
Date: Mon, 3 Apr 2023 13:50:52 +0300 [thread overview]
Message-ID: <20230403105052.426135-3-cristian.ciocaltea@collabora.com> (raw)
In-Reply-To: <20230403105052.426135-1-cristian.ciocaltea@collabora.com>
Add the necessary DT changes for the Rock 5B board to enable support for
the PWM controlled heat sink fan.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 95805cb0adfa..bd74d9da2c17 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -17,6 +17,14 @@ chosen {
stdout-path = "serial2:1500000n8";
};
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ cooling-levels = <0 95 145 195 255>;
+ fan-supply = <&vcc5v0_sys>;
+ pwms = <&pwm1 0 50000 0>;
+ #cooling-cells = <2>;
+ };
+
vcc5v0_sys: vcc5v0-sys-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_sys";
@@ -27,6 +35,10 @@ vcc5v0_sys: vcc5v0-sys-regulator {
};
};
+&pwm1 {
+ status = "okay";
+};
+
&sdhci {
bus-width = <8>;
no-sdio;
--
2.40.0
next prev parent reply other threads:[~2023-04-03 10:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 10:50 [PATCH 0/2] Add PWM fan support to Rock 5B board Cristian Ciocaltea
2023-04-03 10:50 ` [PATCH 1/2] dt-bindings: hwmon: pwm-fan: Convert to DT schema Cristian Ciocaltea
2023-04-03 13:10 ` Rob Herring
2023-04-03 14:32 ` Cristian Ciocaltea
2023-04-03 14:43 ` AngeloGioacchino Del Regno
2023-04-03 16:22 ` Cristian Ciocaltea
2023-04-04 13:54 ` Rob Herring
2023-04-04 14:17 ` Rob Herring
2023-04-04 14:22 ` Guenter Roeck
2023-04-04 16:32 ` Cristian Ciocaltea
2023-04-03 10:50 ` Cristian Ciocaltea [this message]
2023-04-03 17:56 ` [PATCH 2/2] arm64: dts: rockchip: rk3588-rock-5b: Add pwm-fan Chris Morgan
2023-04-03 19:27 ` Peter Geis
2023-04-03 21:55 ` Heiko Stübner
2023-04-04 7:06 ` Cristian Ciocaltea
2023-04-04 8:56 ` Christopher Obbard
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