From patchwork Mon May 14 06:34:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 912712 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="HKyhlpT2"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40krY10pDdz9s0W for ; Mon, 14 May 2018 16:35:17 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751871AbeENGfO (ORCPT ); Mon, 14 May 2018 02:35:14 -0400 Received: from mail-pg0-f66.google.com ([74.125.83.66]:35118 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751364AbeENGfM (ORCPT ); Mon, 14 May 2018 02:35:12 -0400 Received: by mail-pg0-f66.google.com with SMTP id n1-v6so5042584pgs.2 for ; Sun, 13 May 2018 23:35:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=/bfjD1r/FggVF4MgR2tB2OatMj51JbXQw4bDxnvXZec=; b=HKyhlpT2CD9wec5qqgffJHqPY2M41vMoM5PLHBfTJl0U1gbL70iRazqfE9yg96yCPe veJ8ZzTy+GlJbP34nSUklV9moU1iMROGHfT7yXlqLmGOW3r8dLYvyS5Kl2Z6kSleLw2I HW5yfQ+yts8m8FFFGBB5qRBAHPUesPOqiOe4w= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=/bfjD1r/FggVF4MgR2tB2OatMj51JbXQw4bDxnvXZec=; b=jerJInkIFYowWThslvj6iC7gl9IaK3RlShDf/VNYNVVBwNMEvLqvLQC0MYX+x1eESo CrRrDkabXDQcgrdbNSDnYukuGJXXVBvYG2rLUzLJxm5sWziJPE+UgXXX23VoaLr/NtG0 Qm1meY6pR6B3FE0d1SDOx5jPOPED6G7rYizv+/Ob/WwLSHXeZRH7GBTz3fd9+/g0bubM Vf6rex6EjIJ2KtJXSPikl4eTLJtJnBVSWJkOn51XhJcCil/VSAUnEDQopXXnNlL72Zlr RLkZNge73c2qfKGh6MO7/9nyeoGPTdJ/fNuZri+fKpBVVFAxJxDcFnF+H7RicsOhoZbX O8+A== X-Gm-Message-State: ALKqPwdgCFvw907JH4dzP0ld+Xr9o4+EaoKo7dAcdpfawqLm3tbn9Cap mF+21TdpyB0o15pEH8EE2xTfYg== X-Google-Smtp-Source: AB8JxZrnEhoKkGkM+KxX8Atz1X8dMnwvQBSCgIPVyeyDAWhascJ+81P6fGJa8+dBd6PygBt7hJiRaw== X-Received: by 2002:a62:a111:: with SMTP id b17-v6mr9154933pff.132.1526279712366; Sun, 13 May 2018 23:35:12 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id h130-v6sm17000383pfc.98.2018.05.13.23.35.09 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 13 May 2018 23:35:11 -0700 (PDT) From: Baolin Wang To: jacek.anaszewski@gmail.com, pavel@ucw.cz, robh+dt@kernel.org, mark.rutland@arm.com Cc: xiaotong.lu@spreadtrum.com, baolin.wang@linaro.org, broonie@kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] dt-bindings: leds: Add SC27xx breathing light controller documentation Date: Mon, 14 May 2018 14:34:50 +0800 Message-Id: <392631974080542c43b8e280a225d430d73b5ed4.1526279287.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds the binding documentation for Spreadtrum SC27xx series breathing light controller, which supports 3 outputs: red LED, green LED and blue LED. Signed-off-by: Baolin Wang Reviewed-by: Rob Herring Acked-by: Pavel Machek --- Changes since v3: - Fix some grammar issues. - Add acked-by from Pavel. Changes since v2: - Add reviewed-tag from Rob. Changes since v1: - Change the compatible string to be one explicit SoC name. - Change the child node name. - Change to be upper case for the first character. --- .../devicetree/bindings/leds/leds-sc27xx-bltc.txt | 41 ++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt diff --git a/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt b/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt new file mode 100644 index 0000000..dddf84f --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt @@ -0,0 +1,41 @@ +LEDs connected to Spreadtrum SC27XX PMIC breathing light controller + +The SC27xx breathing light controller supports to 3 outputs: +red LED, green LED and blue LED. Each LED can work at normal +PWM mode or breath light mode. + +Required properties: +- compatible: Should be "sprd,sc2731-bltc". +- #address-cells: Must be 1. +- #size-cells: Must be 0. +- reg: Specify the controller address. + +Required child properties: +- reg: Port this LED is connected to. + +Optional child properties: +- label: See Documentation/devicetree/bindings/leds/common.txt. + +Examples: + +led-controller@200 { + compatible = "sprd,sc2731-bltc"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x200>; + + led@0 { + label = "red"; + reg = <0x0>; + }; + + led@1 { + label = "green"; + reg = <0x1>; + }; + + led@2 { + label = "blue"; + reg = <0x2>; + }; +};