Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751464AbbF2PYv (ORCPT ); Mon, 29 Jun 2015 11:24:51 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:40476 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750821AbbF2PYu (ORCPT ); Mon, 29 Jun 2015 11:24:50 -0400 X-Listener-Flag: 11101 Message-ID: <1435591483.21804.2.camel@mtksdaap41> Subject: Re: [PATCH v3 1/2] dt-bindings: pwm: add MediaTek display PWM bindings From: YH Huang To: Matthias Brugger CC: Mark Rutland , Thierry Reding , Rob Herring , Pawel Moll , , , , , , , Sascha Hauer , , Date: Mon, 29 Jun 2015 23:24:43 +0800 In-Reply-To: <1435590211-38854-2-git-send-email-yh.huang@mediatek.com> References: <1435590211-38854-1-git-send-email-yh.huang@mediatek.com> <1435590211-38854-2-git-send-email-yh.huang@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit MIME-Version: 1.0 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2140 Lines: 56 I am sorry for forgetting to remove Change-Id in [PATCH v3 1/2] and [PATCH v3 1/2]. Regards, YH Huang On Mon, 2015-06-29 at 23:03 +0800, YH Huang wrote: > Document the device-tree binding of MediatTek display PWM. > The clock "main" and "mm" are used to generate PWM signals. > The PWM has one channel to control the backlight brightness for display. > It supports MT8173 and MT6595. > > Change-Id: I194ca88b4e4cd01a28b8701e07e86ea6941e5292 > Signed-off-by: YH Huang > --- > .../devicetree/bindings/pwm/pwm-mtk-disp.txt | 24 ++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt > > diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt > new file mode 100644 > index 0000000..355b755 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt > @@ -0,0 +1,24 @@ > +MediaTek display PWM controller > + > +Required properties: > + - compatible: should be "mediatek,-disp-pwm" > + - "mediatek,mt8173-disp-pwm": found on mt8173 SoC > + - "mediatek,mt6595-disp-pwm": found on mt6595 SoC > + - reg: physical base address and length of the controller's registers > + - #pwm-cells: must be 2. See pwm.txt in this directory for a description of > + the cell format > + - clocks: phandle and clock specifier of the PWM reference clock > + - clock-names: must contain the following > + - "main": clock used to generate PWM signals > + - "mm": sync signals from the modules of mmsys > + > +Example: > + pwm0: pwm@1401e000 { > + compatible = "mediatek,mt8173-disp-pwm", > + "mediatek,mt6595-disp-pwm"; > + reg = <0 0x1401e000 0 0x1000>; > + #pwm-cells = <2>; > + clocks = <&mmsys MM_DISP_PWM026M>, > + <&mmsys MM_DISP_PWM0MM>; > + clock-names = "main", "mm"; > + }; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/