From patchwork Wed Jun 29 15:59:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 12900342 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 CC28CC433EF for ; Wed, 29 Jun 2022 16:07:43 +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=h9mkUeFfdsmVhVcW5z7u7RArJyjks1LYdsFJW8G+9b0=; b=ptxrulcMW2Ox61 h6yyupHGWyXnFNRQL4YZ0xB8chXE1BWK5Skm4ECwQDay3U2z9iccCgS5x5w4ZrMhSPCzhlwESjFur vpaI1FpvwRmFz1PYD4r1Bq1AAO3z1o3+Nr/N9nPKep7gaCRakNR0aVTrQ+4KMWfQj2LDUfRGyi9Ep xcjzHRi4yXR45lCG16tdqIS1W4PyKI5L0tjf7dZ4OTHP+yWBeWJmOq2OMqgPlcCjcT8nE9nf4VTXh 64uNwLiTYf+jpUGiUAR9yksLQNxjR0dzy7/U3pUvz5iovulUuIasKRoEMEYKDkC/TgDHwwER1kQMX bPGzbGW1ZB2/SkAi2qyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o6aD0-00CrvE-5e; Wed, 29 Jun 2022 16:06:30 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o6a74-00Coc3-E4; Wed, 29 Jun 2022 16:00:24 +0000 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?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Matthias Brugger Cc: AngeloGioacchino Del Regno , kernel@collabora.com, Chen-Yu Tsai , =?utf-8?b?TsOtY29s?= =?utf-8?b?YXMgRi4gUi4gQS4gUHJhZG8=?= , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220629_090022_655925_2A47BCA9 X-CRM114-Status: GOOD ( 10.83 ) 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 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: Nícolas 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 / { model = "Google Spherion (rev0 - 3)"; compatible = "google,spherion-rev3", "google,spherion-rev2", "google,spherion-rev1", "google,spherion-rev0", "google,spherion", "mediatek,mt8192"; + + pwmleds { + compatible = "pwm-leds"; + + led { + function = LED_FUNCTION_KBD_BACKLIGHT; + color = ; + pwms = <&cros_ec_pwm 0>; + max-brightness = <1023>; + }; + }; +}; + +&cros_ec_pwm { + status = "okay"; }; &keyboard_controller {