From patchwork Wed Jan 7 02:19:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gyungoh Yoo X-Patchwork-Id: 425905 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 0568B140077 for ; Wed, 7 Jan 2015 13:21:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932671AbbAGCUY (ORCPT ); Tue, 6 Jan 2015 21:20:24 -0500 Received: from mail-pd0-f174.google.com ([209.85.192.174]:64570 "EHLO mail-pd0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932769AbbAGCUT (ORCPT ); Tue, 6 Jan 2015 21:20:19 -0500 Received: by mail-pd0-f174.google.com with SMTP id fp1so1561112pdb.5; Tue, 06 Jan 2015 18:20:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ldzkWsKXdaCtiSs0TIOshRyalLDlUGxlQ5j1vv0+RQw=; b=yuBOAa3XdULCjJN5HgD68046e5pg3jp/mAnF7rPfoors4CjwWvYe801L/F9o6lynia dIA8K4WSV28JSNf/Zzx2hjt7QRWnAFZtOGl8uqF5pfBf/7j9yhH9U9NzKaBtQ+qlsEAZ yMmYtzcysck5ULTKqWlE2nhTUUdB9D5AiZCiEfRTBVSwJdXUlntZLjbYkphfK6wRFUTL +0F5Xba4F7isL0PlBQNm5xWw3IUdYd5BxIo0vr9rj5/IlxA9L/xMmaChzVwTQDZAilQQ uKupK6hIq3CI/YNUaWRlh1aCWBWOlKAbO5kAmYrtnBOiesrDDJhJgDYdSTTIyVXOwXJb pqxg== X-Received: by 10.66.249.226 with SMTP id yx2mr909752pac.112.1420597219018; Tue, 06 Jan 2015 18:20:19 -0800 (PST) Received: from jack-ThinkPad-T520.ad.skynet ([220.117.184.244]) by mx.google.com with ESMTPSA id xx2sm181978pab.17.2015.01.06.18.20.10 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 06 Jan 2015 18:20:18 -0800 (PST) From: gyungoh@gmail.com X-Google-Original-From: jack.yoo@skyworksinc.com To: sameo@linux.intel.com, lee.jones@linaro.org, grant.likely@linaro.org, robh+dt@kernel.org, jg1.han@samsung.com, cooloney@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, trivial@kernel.org Cc: akpm@linux-foundation.org, jic23@kernel.org, thomas.petazzoni@free-electrons.com, ktsai@capellamicro.com, hs@denx.de, stwiss.opensource@diasemi.com, matti.vaittinen@nsn.com, broonie@kernel.org, jason@lakedaemon.net, heiko@sntech.de, shawn.guo@freescale.com, florian.vaussard@epfl.ch, andrew@lunn.ch, antonynpavlov@gmail.com, hytszk@gmail.com, plagnioj@jcrosoft.com, tomi.valkeinen@ti.com, jack.yoo@skyworksinc.com, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding Date: Wed, 7 Jan 2015 11:19:25 +0900 Message-Id: <1420597167-3188-5-git-send-email-jack.yoo@skyworksinc.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1420597167-3188-1-git-send-email-jack.yoo@skyworksinc.com> References: <1420597167-3188-1-git-send-email-jack.yoo@skyworksinc.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Gyungoh Yoo Signed-off-by: Gyungoh Yoo Acked-by: Bryan Wu --- Changes v10: Nothing Changes v9: Nothing Changes v8: Renamed property names for backlight with vendor prefix Modified gpio-enable property to generic property for GPIO Made up the example for backlight DT Changes v7: Nothing Changes v6: Nothing Changes v5: Nothing Changes v4: Nothing Changes v3: Nothing Changes v2: Added reg attribute for I2C slave address .../video/backlight/sky81452-backlight.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt diff --git a/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt new file mode 100644 index 0000000..8daebf5 --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt @@ -0,0 +1,29 @@ +SKY81452-backlight bindings + +Required properties: +- compatible : Must be "skyworks,sky81452-backlight" + +Optional properties: +- name : Name of backlight device. Default is 'lcd-backlight'. +- gpios : GPIO to use to EN pin. + See Documentation/devicetree/bindings/gpio/gpio.txt +- skyworks,en-channels : Enable mask for current sink channel 1 to 6. +- skyworks,ignore-pwm : Ignore both PWM input +- skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming. +- skyworks,phase-shift : Enable phase shift mode +- skyworks,ovp-level : Over-voltage protection level. + Should be between 14 or 28V. +- skyworks,short-detection-threshold : It should be one of 4, 5, 6 and 7V. +- skyworks,current-limit : It should be 2300mA or 2750mA. + +Example: + + backlight { + compatible = "skyworks,sky81452-backlight"; + name = "pwm-backlight"; + skyworks,en-channels = <0x3f>; + skyworks,ignore-pwm; + skyworks,phase-shift; + skyworks,ovp-level = <20>; + skyworks,current-limit = <2300>; + };