From patchwork Mon Apr 3 10:50:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13198031 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A6128C77B60 for ; Mon, 3 Apr 2023 10:52:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8FGPt1SA5uG56qvydHUd7Qui3ocsMv1zkgUJ/tyNLxI=; b=YOGozA21NvhrLN 3ZM6BxRzNgA13ihY5o93xqBX4cX+2UI/D3GBILdYpo/CPHbSXAMKAEo78nY4wqP6XF0FhC5ajzXPn pm4xWwW/NPtGS0obhoIZT4c2p7HJq/4q464gc6VyIkhNNDy7mLFTHBqC0RqEFkSsIZb++tEIwJAt0 ekg0djAEXXOx1edMGGilPmDzgnpVhANMKhhUHXrPxe6OWEl3TPJUL7vMyGE4buSU1AQddmYZeT8qV RLoInVk1exYX85sHauxd7k5l04yiwuwzbWFPJiqdLYDFAjy96mTJRZWXVMx4ctOITUv3mXEPTZ5HS Y2JxipasosNmIZhLxeKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjHmK-00F0Kf-1J; Mon, 03 Apr 2023 10:51:12 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pjHmE-00F0I4-2S; Mon, 03 Apr 2023 10:51:09 +0000 Received: from localhost (unknown [188.27.34.213]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by madras.collabora.co.uk (Postfix) with ESMTPSA id BD0D16602040; Mon, 3 Apr 2023 11:51:02 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1680519062; bh=97JLXa1qL1Q6tXE1ABA2Qq1JziV8s4pj8cdLUcAzWyc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fGAnFpQPICXfoOONO/XSV8hsItw5JzWd7biiPsvvPzz1ud77H2sO0uf/KgHo5bGiR jiuWRlGZdIf41QPiW7LDytgPTzv1m//aW7160vN9iZFceJP1VOlueBcyFK1kZ5tSbI rr/VlFchlyQXHHo02/gNsFas7tme0//yhZwTqYT2f3Rjw0RAtePB7vMRMaLwa/STkI I9jBXGxPQ7gXsJwGcyWd2eJs/cfoguSfBRbmG7TGzXt0giy7c1mmZ1uhwEt62N4/qj C3KT0BHEbOdXP+3OQhLZFomKC0BjiyhoTisdjBsj2o4wlackXczgoCOKzSi5f/LYPm 4U+SDeM+e3JtQ== From: Cristian Ciocaltea To: Jean Delvare , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Heiko Stuebner 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 Message-Id: <20230403105052.426135-3-cristian.ciocaltea@collabora.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230403105052.426135-1-cristian.ciocaltea@collabora.com> References: <20230403105052.426135-1-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230403_035106_926742_02F74105 X-CRM114-Status: GOOD ( 10.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Christopher Obbard --- 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;