From patchwork Tue Apr 4 17:38:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13200724 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 63F08C761A6 for ; Tue, 4 Apr 2023 17:39:06 +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=fx3rg/u1m6zOcYLTjaFzqpdPHcpOtJBVlWUNX7wkgL4=; b=HicHIddpeVm6+d ESd0vVJ0jLxeBOioqFSZgvvGaPcRQeSl7+oQ+fk2Vvt60yNvyAE5pmPvHWVcFBLCO0YjO1gvejH8A dUQhqqXAQtfxTe5HCG1qDi0eNVyokLpC/cxR1d5L6aGdb7Va8O15YThgZaP57P2OdcJasqGaTRN2D LZavFsg2T7QMb8H68JvmAG2jaqObNyrJBjHuebxO8+eZwo0x/4Xe69LcU6V2RODgZy5uT+5vqmOaH MX+QTvNG16Sgck7XBirMDlLpzYbib+bGuWtkCmnSFYRqcienoSif0yDaUdlqBIo1wOX23cNKg8SHL VjcqyMZEaiiUaBdNecVg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjkbt-002P8g-2y; Tue, 04 Apr 2023 17:38:21 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pjkbq-002P78-0Z; Tue, 04 Apr 2023 17:38:19 +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 A41E066031A5; Tue, 4 Apr 2023 18:38:16 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1680629896; bh=cdstoqxPWhvdMsWzWtAKva88nlEDFRiEFVi8qwXMjAU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nYFqgjzbtVADmMDipQDLIWdBpljOVNzX7Fk98T1+e8lpapf8vF8wgOiigtzGypbV+ SlM2wdOdpVb8aMPc9oZJns3JnBAHe3ZCSSnawHxALbmqOq3mkzadja0aPv0mknHq++ YXSie0py3d+cawXuTN1FONSHJ9/ltew/qNAkIyOSl5mReTuM7h1dawamDx2l01Ssj9 wD8UPnjraiSuud/1diImJTIamTnnViCHsCriBoFxWZrJ/JdOv9hJYXUPpTZ2jRIDB9 /ppbe6PYMYJXe7uY0WEiSgFzVBQf7+ze5vEHDnUFzvqbOf8bMH1UZqlE2jfs5bHWM0 i7HLrgnj27xyA== 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, Christopher Obbard Subject: [PATCH v2 2/2] arm64: dts: rockchip: rk3588-rock-5b: Add pwm-fan Date: Tue, 4 Apr 2023 20:38:07 +0300 Message-Id: <20230404173807.490520-3-cristian.ciocaltea@collabora.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230404173807.490520-1-cristian.ciocaltea@collabora.com> References: <20230404173807.490520-1-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230404_103818_355009_ACA8374C X-CRM114-Status: UNSURE ( 9.70 ) X-CRM114-Notice: Please train this message. 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;