From patchwork Wed Mar 15 19:45:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olimpiu Dejeu X-Patchwork-Id: 9626545 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 401E060244 for ; Wed, 15 Mar 2017 19:52:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 30F1328506 for ; Wed, 15 Mar 2017 19:52:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 23FB528532; Wed, 15 Mar 2017 19:52:17 +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=-6.3 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7AB4028506 for ; Wed, 15 Mar 2017 19:52:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751183AbdCOTwI (ORCPT ); Wed, 15 Mar 2017 15:52:08 -0400 Received: from mail-qt0-f174.google.com ([209.85.216.174]:36174 "EHLO mail-qt0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751999AbdCOTwH (ORCPT ); Wed, 15 Mar 2017 15:52:07 -0400 Received: by mail-qt0-f174.google.com with SMTP id r45so21457540qte.3 for ; Wed, 15 Mar 2017 12:52:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arcticsand-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Kb7X1gkuCZezBl9gI3sfv/2ECLDIJyfiaZklMWQghaU=; b=F2ArhjMsQ6niyc8j5rHfMP32tzwbzqfxYHg200RUxbmKFhOB2LpHl7uEM1Uozyxvn6 vZQKC3Lh5k3ZEjMbmOE7Iajt0xm4CB3/Bj6dQbpxiVW9qWRvcOT82Apux5zsfVj6EthJ XxW7cItRl/zSSxf5t/zw3heX6VSojFVJrxDqFldHtIdLMvi4NsLZRuU6Sc1gtVLlelmx 3lPQtuGuJ6fE2VMi8sShGp+qDOA2k8zaLkq/WhZ/56ar9MGPHZ5vOhK7VBgcw7YIMp3c kgt1ZfYd+bec1UMqlV3DeI+7yh/N3W/JxB+UxxMEA5NyWuJDHnv+7LgNJFGOAJMUntDK PN+Q== 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:in-reply-to :references; bh=Kb7X1gkuCZezBl9gI3sfv/2ECLDIJyfiaZklMWQghaU=; b=Ypd44JNqRklbxRfZjkxCoU8amaXETJr3jLD7iaQIyeJNr8zmflcnUIAu8iM4F1vIcB 1My2s1RvB9X1cBD6ylYIOlMTvJpTC5nWY5eBR4G+lmi85iR1NpV6a4LgMTrOtuFFAN1p uZUQOURmehPaGDHpDagJXIqW3XtfJ+ejfd4cOr7FaJGQcQJNZvf838VIP8AGhzVLqgKR xpqLjjwXp+pCg5QLYLdKXiAf2/FMyt/5+2l9re/Z/30g7EEsinR/C+dnZE+DZMLMWRz4 oJRdnSbr0ZgGPEVkKhYrZ1K5uyLU1MrzwF/ER9FJwD3A/x2Bjozanrnk286/8tIrbV9i fbbQ== X-Gm-Message-State: AFeK/H2jA4jeVtp9UVNifuxkWSNlOUdURBdkP4FiBK39Ut+vBdvqjDw1xYscio83kNO+Tw== X-Received: by 10.237.53.48 with SMTP id a45mr4380392qte.286.1489607142398; Wed, 15 Mar 2017 12:45:42 -0700 (PDT) Received: from drivertest.arctic.local (96-81-105-169-static.hfc.comcastbusiness.net. [96.81.105.169]) by smtp.gmail.com with ESMTPSA id x19sm1996620qtc.23.2017.03.15.12.45.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 15 Mar 2017 12:45:41 -0700 (PDT) From: Olimpiu Dejeu To: robh@kernel.org Cc: lee.jones@linaro.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, devicetree@vger.kernel.org, jingoohan1@gmail.com, bdodge@arcticsand.com, joe@perches.com, medasaro@arcticsand.com, daniel.thompson@linaro.org, Olimpiu Dejeu Subject: [PATCH v8 2/3] backlight arcxcnn devicetree bindings for ArcticSand Date: Wed, 15 Mar 2017 15:45:32 -0400 Message-Id: <1489607133-7870-2-git-send-email-olimpiu@arcticsand.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1489607133-7870-1-git-send-email-olimpiu@arcticsand.com> References: <1489607133-7870-1-git-send-email-olimpiu@arcticsand.com> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP backlight: Add devicetree bindings for the Arctic Sand backlight driver This patch provides devicetree bindings for the Arctic Sand driver submitted in the previous patch Acked-by: Rob Herring Acked-by: Daniel Thompson Signed-off-by: Olimpiu Dejeu --- v7 => v8: - Version updated to match other patch in set. No other changes. v6 => v7: - Version updated to match other patch in set. No other changes. v5 => v6: - Version updated to match other patch in set. No other changes. v4 => v5: - Added spaces for increased readability per Lee Jones v3 => v4: - Added spaces for increased readability per Lee Jones v2 => v3: - Version updated to match other patch in set. No other changes. v1 => v2: - Version updated to match other patch in set. No other changes. .../bindings/leds/backlight/arcxcnn_bl.txt | 33 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt diff --git a/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt new file mode 100644 index 0000000..ecb7731 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt @@ -0,0 +1,33 @@ +Binding for ArcticSand arc2c0608 LED driver + +Required properties: +- compatible: should be "arc,arc2c0608" +- reg: slave address + +Optional properties: +- default-brightness: brightness value on boot, value from: 0-4095 +- label: The name of the backlight device + See Documentation/devicetree/bindings/leds/common.txt +- led-sources: List of enabled channels from 0 to 5. + See Documentation/devicetree/bindings/leds/common.txt + +- arc,led-config-0: setting for register ILED_CONFIG_0 +- arc,led-config-1: setting for register ILED_CONFIG_1 +- arc,dim-freq: PWM mode frequence setting (bits [3:0] used) +- arc,comp-config: setting for register CONFIG_COMP +- arc,filter-config: setting for register FILTER_CONFIG +- arc,trim-config: setting for register IMAXTUNE + +Note: Optional properties not specified will default to values in IC EPROM + +Example: + +arc2c0608@30 { + compatible = "arc,arc2c0608"; + reg = <0x30>; + default-brightness = <500>; + label = "lcd-backlight"; + linux,default-trigger = "backlight"; + led-sources = <0 1 2 5>; +}; +