From patchwork Thu May 5 19:45:46 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: 570039 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 52226C433FE for ; Thu, 5 May 2022 19:47:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385490AbiEETut (ORCPT ); Thu, 5 May 2022 15:50:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1385416AbiEETuf (ORCPT ); Thu, 5 May 2022 15:50:35 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DF545EBD1; Thu, 5 May 2022 12:46:50 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id AC83F1F45CD2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1651780009; bh=8TvoEhGQU6t2qg9uM8iphoK/DuIcgX6ObTBGTPSxnTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XSsfXvMh/3UvAYBBO5gWbz63asC1SxSMIAZvqX3j4MDRYYwGfClwFV3ak8VXdWV18 bqv0Bh+GBInZgOfD2LHapuhjie9qOp1OdtpVe4r5OREjgzG7zvI1lK4ulqRe2u9/Oi BGB/xUNuCMopwMrJnmU27zEjybmvzVd0qfrgolUngTt7beTEIafEG19kQzBpz/Wym+ eBGunoEKPuB4GDZfZEdeI7Gpaa+dPb3d8J4WgKx4zEvvUrvNPfepXdEoaVvolV/bAt pk4eKgKw+iuLd2pDB9EOAIWEwz09nXqgR2icBMdLX3MoaH6MHYFwYK+OT93OnNZn03 kg6aDjWuS0D1Q== 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 v2 12/16] arm64: dts: mediatek: spherion: Add keyboard backlight Date: Thu, 5 May 2022 15:45:46 -0400 Message-Id: <20220505194550.3094656-13-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220505194550.3094656-1-nfraprado@collabora.com> References: <20220505194550.3094656-1-nfraprado@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@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: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno --- (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 35d9c5294fe0..7f9cf7ee1437 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"; }; &touchscreen {