From mboxrd@z Thu Jan 1 00:00:00 1970 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 2EB61C433EF for ; Thu, 12 May 2022 20:57:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356416AbiELU5b (ORCPT ); Thu, 12 May 2022 16:57:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358589AbiELU5A (ORCPT ); Thu, 12 May 2022 16:57:00 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1051669489; Thu, 12 May 2022 13:56:41 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id 795211F4594C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652389000; bh=AvMwfFz84n7mWn1AEG/JaA3AcQAUeEhq/lBH3WEQF0Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MggD2rIG0lKJ4ye2ygbo29X/qSCnndouDiIQk8LR80/qzZkhqeKSsKdoWK5SzkJTa zK26AGjZ43qiLEEk7sDIcvqm4FTGDXun74huEVPFt/sSoPkcrUXnhmmW/EpYBW/7XD hkvLJK2zTTThug6Ea7UBtop6gyyVWqBwm/gt7ztJDe2b+onPvUx0yS42B/MJsRP3mY AlSXhde6ANA2Hi7LpkLHGmc0L7YIefbXPAu+CHlxAE6C8/9wc4V40OC45+K+xkD+Ki qknlv9EGR/mIYATzZrWKQga5x3jJ4J/R7+xgCZFt2ty15uHnjGZcVm+2vXD1IvDw2z 8PauEqfq5sizg== From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= To: Matthias Brugger Cc: Chen-Yu Tsai , AngeloGioacchino Del Regno , kernel@collabora.com, =?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 v3 12/16] arm64: dts: mediatek: spherion: Add keyboard backlight Date: Thu, 12 May 2022 16:55:58 -0400 Message-Id: <20220512205602.158273-13-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220512205602.158273-1-nfraprado@collabora.com> References: <20220512205602.158273-1-nfraprado@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: 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 { -- 2.36.1