From patchwork Wed Mar 16 15:13:27 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: 12782875 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 17E9FC433F5 for ; Wed, 16 Mar 2022 15:27:54 +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=SWzi3wiSHJ/4+Mf/JVducugTf7d2wjk5EhAsiKPtNh8=; b=onwOy71rLcFl69 4VdiigD+HINjMLZLyMn8t2nmNJBhT8EG3dpouua6jTrGHgQ6Ka07EHTnVrvW/Rft/A7hNTmoTLYHR G9X1HG+KsCH0tlrvFF79ECdCNC1rQcvgYivL9Fqzu4q+3otmINNx91Xk92qHc3SQSvNQLfjtuBRZ3 nnBHs4CvRxB0e7Oj5XPIwIbYQlcPMH2x9EMCOWTesNSZ1bwD5u2aCMlTcnn72oa0xykI5WViRTEV1 t9JwpiH/10azLbJGN3B+/Q6Av+j4WMKOoSrQ1DFPgj7vchMoJE0ptyWpjBiCR25dIClvEbm5ni6uB yfi202xdoT1ybZLUk/Ww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nUVYx-00DXpC-81; Wed, 16 Mar 2022 15:27:47 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nUVLO-00DSNL-JC; Wed, 16 Mar 2022 15:13:48 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id 400CC1F44713 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1647443625; bh=Y+lkLt3+XMMhoecgGOVlam/wNyWF4vFjgKdH60o7wRY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nC8i0iJlO1gOtgwmNN1OQxY9rC9ayCBImNW2RAkJfnnRQvjhBpVlUTN6YIYCn/ep6 PPDO7r57s47zCGcIWxzRTzE/t25MbCWYJOwTteQL5yWYaDleIdM1pZRkvxabiZ8JYr xVo36OwcPqIm1Au6t8GcTxhU3ZNOuhouM+7S2uWq/+AR9T5v6tIbyVclCcmPyypfBj 1i2e6Uav28IgiHDJulQJCS1mpB1QJ+pYye9tjz4oBtP9qUMmPxReJYBVqfmZst/k0d 5bsvOCyFFcy4h+/nzPGZB8cXP/MyQiL3/iS1naRjL0nI0mWj+j0+5o/Xnm1IacOw/V k7GQzWhuHIyhA== From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Matthias Brugger Cc: AngeloGioacchino Del Regno , kernel@collabora.com, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v1 10/10] arm64: dts: mediatek: spherion: Add keyboard backlight Date: Wed, 16 Mar 2022 11:13:27 -0400 Message-Id: <20220316151327.564214-11-nfraprado@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220316151327.564214-1-nfraprado@collabora.com> References: <20220316151327.564214-1-nfraprado@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220316_081346_808041_A0DFB1D9 X-CRM114-Status: UNSURE ( 9.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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 --- .../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 20ae4a869c63..b9dd5fd2e964 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 = "MediaTek 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"; }; &touchscreen {