From nobody Sun Sep 22 02:06:12 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6435CC43334 for ; Wed, 29 Jun 2022 16:01:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234509AbiF2QBC (ORCPT ); Wed, 29 Jun 2022 12:01:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234385AbiF2QAW (ORCPT ); Wed, 29 Jun 2022 12:00:22 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46E201D327; Wed, 29 Jun 2022 09:00:22 -0700 (PDT) Received: from notapiano.myfiosgateway.com (pool-98-113-53-228.nycmny.fios.verizon.net [98.113.53.228]) (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: nfraprado) by madras.collabora.co.uk (Postfix) with ESMTPSA id 056F9660194A; Wed, 29 Jun 2022 17:00:19 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1656518421; bh=AvMwfFz84n7mWn1AEG/JaA3AcQAUeEhq/lBH3WEQF0Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SA5F9Nwmb4YhGCt4aWStx+ucdgcfUsoCrC+a+7taLH/LuIY9rnvb6IS2fWskA6jYU FeWEf4kMdyYs9x7sMMBiIGBUGgizYegRR62KiTH3eDlNTfmb3/mG/PUD7H3XrRAfVh p1MQV5QSYmarlwKGn0nH//LluaDfDXpkW32qf3rkOvcWBYF2nKNvL3Sw+lvpxDFczh LMkQYxbtHp2aFcYIpt/VVT33heBLeqWVOor/FGYqJbq4o1m9dZ8cWUl2mSXz6sdjc/ afJKjzYoE7YrVbcr6hXmsW0HWmVO24WorjLkD2KuFkH+INtj9+N4FnYGhJQe/dSUrH 9lZnlBiivFKPQ== From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= To: Matthias Brugger Cc: AngeloGioacchino Del Regno , kernel@collabora.com, Chen-Yu Tsai , =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v4 12/19] arm64: dts: mediatek: spherion: Add keyboard backlight Date: Wed, 29 Jun 2022 11:59:49 -0400 Message-Id: <20220629155956.1138955-13-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220629155956.1138955-1-nfraprado@collabora.com> References: <20220629155956.1138955-1-nfraprado@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Spherion board has keyboard backlight controlled by the PWM signal generated by the ChromeOS EC. Enable PWM output for ChromeOS EC and add a PWM controlled LED node for the keyboard backlight. Signed-off-by: N=C3=ADcolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Tested-by: Chen-Yu Tsai --- (no changes since v1) .../dts/mediatek/mt8192-asurada-spherion-r0.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts b/= arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts index 42db81e95fae..fa3d9573f37a 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts @@ -4,12 +4,28 @@ */ /dts-v1/; #include "mt8192-asurada.dtsi" +#include =20 / { model =3D "Google Spherion (rev0 - 3)"; compatible =3D "google,spherion-rev3", "google,spherion-rev2", "google,spherion-rev1", "google,spherion-rev0", "google,spherion", "mediatek,mt8192"; + + pwmleds { + compatible =3D "pwm-leds"; + + led { + function =3D LED_FUNCTION_KBD_BACKLIGHT; + color =3D ; + pwms =3D <&cros_ec_pwm 0>; + max-brightness =3D <1023>; + }; + }; +}; + +&cros_ec_pwm { + status =3D "okay"; }; =20 &keyboard_controller { --=20 2.36.1