From patchwork Mon Mar 20 06:47:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 9633073 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0363A6020B for ; Mon, 20 Mar 2017 06:48:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E6937209CD for ; Mon, 20 Mar 2017 06:48:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D7C4027F7F; Mon, 20 Mar 2017 06:48:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7177F209CD for ; Mon, 20 Mar 2017 06:48:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=t0o+IcC8YtRACzlm3qeYD1K6KHjAAJthOT4yUdOQ3Lg=; b=oMiS51qEaLUegW Y5TVGhmIIgYTo61da7uBadIhfvIfkd0AFhJS0Ntg0HQvCO1+lWpYJ5nq8gtFMN0eWL/fbXD9hbK93 z4HWIQb7PZoshbR4d379NBmjfNKz4r/5vcyyygIssCsGv7dOiEgjBHA23SKKwqz+qxNGzAG1oD8yK uCS2z80RoKdzJcU6eYXBSsJ1gdKYBhd7X5x7OJE3nmnTk9Qrh5yhQ4hA3ZECIihteYYmtDlNXIBQt YVdksm/vmys4nGz6JIUcCy26vOye8rs3qUnVaka6+9q5G1I0QOlBevo74VUNYXiaggUvhsGjS6e8k lntbeFQRwO+dBHM+ccng==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cpr7I-0002t3-N5; Mon, 20 Mar 2017 06:48:32 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cpr6t-00028v-7L; Mon, 20 Mar 2017 06:48:17 +0000 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 102043575; Mon, 20 Mar 2017 14:47:40 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Mon, 20 Mar 2017 14:47:37 +0800 From: To: , , , , , , Subject: [PATCH v6 1/4] dt-bindings: leds: Add document bindings for leds-mt6323 Date: Mon, 20 Mar 2017 14:47:24 +0800 Message-ID: <1489992447-13007-2-git-send-email-sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1489992447-13007-1-git-send-email-sean.wang@mediatek.com> References: <1489992447-13007-1-git-send-email-sean.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170319_234807_946634_7E7AEE0A X-CRM114-Status: GOOD ( 12.22 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, keyhaede@gmail.com, Sean Wang , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Sean Wang This patch adds documentation for devicetree bindings for LED support on MT6323 PMIC. Signed-off-by: Sean Wang --- .../devicetree/bindings/leds/leds-mt6323.txt | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-mt6323.txt diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt new file mode 100644 index 0000000..ac38472 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -0,0 +1,60 @@ +Device Tree Bindings for LED support on MT6323 PMIC + +MT6323 LED controller is subfunction provided by MT6323 PMIC, so the LED +controllers are defined as the subnode of the function node provided by MT6323 +PMIC controller that is being defined as one kind of Muti-Function Device (MFD) +using shared bus called PMIC wrapper for each subfunction to access remote +MT6323 PMIC hardware. + +For MT6323 MFD bindings see: +Documentation/devicetree/bindings/mfd/mt6397.txt +For MediaTek PMIC wrapper bindings see: +Documentation/devicetree/bindings/soc/mediatek/pwrap.txt + +Required properties: +- compatible : Must be "mediatek,mt6323-led" +- address-cells : Must be 1 +- size-cells : Must be 0 + +Each led is represented as a child node of the mediatek,mt6323-led that +describes the initial behavior for each LED physically and currently only four +LED child nodes can be supported. + +Required properties for the LED child node: +- reg : LED channel number (0..3) + +Optional properties for the LED child node: +- label : See Documentation/devicetree/bindings/leds/common.txt +- linux,default-trigger : See Documentation/devicetree/bindings/leds/common.txt +- default-state: See Documentation/devicetree/bindings/leds/common.txt + +Example: + + mt6323: pmic { + compatible = "mediatek,mt6323"; + + ... + + mt6323led: leds { + compatible = "mediatek,mt6323-led"; + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + label = "LED0"; + linux,default-trigger = "timer"; + default-state = "on"; + }; + led@1 { + reg = <1>; + label = "LED1"; + default-state = "off"; + }; + led@2 { + reg = <2>; + label = "LED2"; + default-state = "on"; + }; + }; + };