From patchwork Thu Jul 21 13:42:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12925185 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 183F6C43334 for ; Thu, 21 Jul 2022 13:46:44 +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=Rwh6SWxukawRYJ3Pj1pOXaFk1B65WwQnAE/O/BrtD7w=; b=aCy+uUASmFXRmR KzcEu2ItL1qi37VkiW33ZcMIj3vUEiTIWbJ24QPmgc34mbjRvzNl6Nv6BLhkMX38xnv+uApRwp8YG jjd908sXXh4S4sqocrQlXiPoIZckrMnyRt9KzvBMAmyz1RpjWCE+00kN/vHkAr5jdQmptww+rklKw XAVMVGAfK/cPdjHqyOVOdQWlmiPs28Iv59YAaHLpawJLNWF0ToEjvUQMF5uPTKytf2IaSGwgXjOD1 3RHarIcQAmNKr2mp8WTy2v/rTAt+7h1LueV6i8Yzc93Pyt0E3IfyVjFEfQ36Bf5+T1rtLJeM0tFDP vZbTphGIWvh3XSGfjAig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEWUe-007E5U-8m; Thu, 21 Jul 2022 13:45:32 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEWRs-007CPS-9s; Thu, 21 Jul 2022 13:42:42 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 7C2756601AB1; Thu, 21 Jul 2022 14:42:35 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1658410955; bh=PxVOdo3kmX5GhVqhInInTAsKF/mvybao/JRyPYM/wN0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cJNzoD20dvOfLbAiqZBy7pcLSt3Rveh1ZcqZcd4l/bAFKjUef6AExV9iPKOW0SWDh EuC9msbg50W57KzztU5B5Zq8h3Q8NHgF6r7CJrN7AUbqHMp5qS/aTt7x6OwkFzJnnQ A1Hb7rrsfrnMhR5fVFia1KYKZuuCnqnrxDiAyaEcyN/T+QVWFakRPOg6+jQKi2bR5e KlpsBJE0f+WNau0FKKUOVKNRvjWLYBfXkLJIsaIeWbGcFjP6mvE+Cnj4L5q1jCVdXg 3HWcxdm/Z+sVVA2b1YSzQtxxsIHG955XyL238G29WI3q4aSk3ypuOaAF/Xdn73If5p cVjk6jn56XPfA== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno Subject: [PATCH 7/8] arm64: dts: mediatek: cherry: Enable keyboard PWM backlight Date: Thu, 21 Jul 2022 15:42:27 +0200 Message-Id: <20220721134228.310178-8-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220721134228.310178-1-angelogioacchino.delregno@collabora.com> References: <20220721134228.310178-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220721_064240_539047_088ADCC9 X-CRM114-Status: UNSURE ( 9.94 ) 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 a pwm-leds node to enable the PWM controlled keyboard backlight. Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index ca9955a97f8f..9086a440a995 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include "mt8195.dtsi" #include "mt6359.dtsi" @@ -31,6 +32,18 @@ dmic_codec: dmic-codec { wakeup-delay-ms = <50>; }; + led-controller { + compatible = "pwm-leds"; + + keyboard_backlight: keyboard-backlight { + default-state = "off"; + function = LED_FUNCTION_KBD_BACKLIGHT; + label = "cros_ec::kbd_backlight"; + max-brightness = <1023>; + pwms = <&cros_ec_pwm 3>; + }; + }; + memory@40000000 { device_type = "memory"; reg = <0 0x40000000 0 0x80000000>;