linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230403105052.426135-3-cristian.ciocaltea@collabora.com \
    --to=cristian.ciocaltea@collabora.com \
    --cc=devicetree@vger.kernel.org \
    --cc=heiko@sntech.de \
    --cc=jdelvare@suse.com \
    --cc=kernel@collabora.com \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-hwmon@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rockchip@lists.infradead.org \
    --cc=linux@roeck-us.net \
    --cc=robh+dt@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).