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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d23-20020a05680805d700b0033aab556921si1593040oij.58.2022.07.21.08.26.30; Thu, 21 Jul 2022 08:26:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=RhMOLexb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232122AbiGUOu5 (ORCPT + 99 others); Thu, 21 Jul 2022 10:50:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231338AbiGUOuf (ORCPT ); Thu, 21 Jul 2022 10:50:35 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DD062019E; Thu, 21 Jul 2022 07:50:34 -0700 (PDT) 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 7E4FA6601AB6; Thu, 21 Jul 2022 15:50:32 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1658415032; bh=PxVOdo3kmX5GhVqhInInTAsKF/mvybao/JRyPYM/wN0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RhMOLexbI/J6DRhKHUs3stBIJKE/U0o04dE0zkTOM8ggsKjwROG3afPQVz3bBcBLn DyG80nCcYt0gd95FjWIlKFtR+tfw1RiqGkalb+s2hsDMyZMKrYOnKa07et2ve5DeKf xjTTtD7xsPUvgIRolrMlScGWAEx6qFZoCJKaZ/OI9E9l83Fi/mVGzefABXYiNwv7Zm AZLaLaOH5vHLsEjbrT1ygFY0j0Vz3XG60IKql3D2fYGcdIfgumuVHHSdbcm+Z8pXqj 4bVbgL/N7jm2jvpwbce0dWTmXDklRN6nHPsiXzsB8l1rxnedzKFOoO064YFSb+HlMM AOp8vyH7e3KcA== 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 v2 7/8] arm64: dts: mediatek: cherry: Enable keyboard PWM backlight Date: Thu, 21 Jul 2022 16:50:16 +0200 Message-Id: <20220721145017.918102-8-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220721145017.918102-1-angelogioacchino.delregno@collabora.com> References: <20220721145017.918102-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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>; -- 2.35.1