From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754533AbcDOJX4 (ORCPT ); Fri, 15 Apr 2016 05:23:56 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:21546 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754109AbcDOJXw (ORCPT ); Fri, 15 Apr 2016 05:23:52 -0400 Date: Fri, 15 Apr 2016 11:22:46 +0200 From: Ludovic Desroches To: Songjun Wu CC: , , Mark Rutland , , Pawel Moll , Ian Campbell , , Rob Herring , Kumar Gala , , , Subject: Re: [PATCH 2/2] [media] atmel-isc: DT binding for Image Sensor Controller driver Message-ID: <20160415092246.GC3544@odux.rfo.atmel.com> Mail-Followup-To: Songjun Wu , g.liakhovetski@gmx.de, nicolas.ferre@atmel.com, Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , linux-kernel@vger.kernel.org, Rob Herring , Kumar Gala , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com References: <1460533460-32336-1-git-send-email-songjun.wu@atmel.com> <1460533460-32336-3-git-send-email-songjun.wu@atmel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1460533460-32336-3-git-send-email-songjun.wu@atmel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org + linux-media@vger.kernel.org On Wed, Apr 13, 2016 at 03:44:20PM +0800, Songjun Wu wrote: > DT binding documentation for ISC driver. > > Signed-off-by: Songjun Wu > --- > > .../devicetree/bindings/media/atmel-isc.txt | 84 ++++++++++++++++++++++ > 1 file changed, 84 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/atmel-isc.txt > > diff --git a/Documentation/devicetree/bindings/media/atmel-isc.txt b/Documentation/devicetree/bindings/media/atmel-isc.txt > new file mode 100644 > index 0000000..449f05f > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/atmel-isc.txt > @@ -0,0 +1,84 @@ > +Atmel Image Sensor Controller (ISC) > +---------------------------------------------- > + > +Required properties: > +- compatible > + Must be "atmel,sama5d2-isc" > +- reg > + Physical base address and length of the registers set for the device; > +- interrupts > + Should contain IRQ line for the ISI; > +- clocks > + List of clock specifiers, corresponding to entries in > + the clock-names property; > + Please refer to clock-bindings.txt. > +- clock-names > + Required elements: "hclock", "ispck". > +- pinctrl-names, pinctrl-0 > + Please refer to pinctrl-bindings.txt. > +- clk_in_isc > + ISC internal clock node, it includes the isc_ispck and isc_mck. > + Please refer to clock-bindings.txt. > +- atmel,sensor-preferred > + Sensor is preferred to process image (1-preferred, 0-not). > + The default value is 1. > + > +ISC supports a single port node with parallel bus. It should contain one > +'port' child node with child 'endpoint' node. Please refer to the bindings > +defined in Documentation/devicetree/bindings/media/video-interfaces.txt. > + > +Example: > +isc: isc@f0008000 { > + compatible = "atmel,sama5d2-isc"; > + reg = <0xf0008000 0x4000>; > + interrupts = <46 IRQ_TYPE_LEVEL_HIGH 5>; > + clocks = <&isc_clk>, <&isc_ispck>; > + clock-names = "hclock", "ispck"; > + atmel,sensor-preferred = <1>; > + > + port { > + #address-cells = <1>; > + #size-cells = <0>; > + > + isc_0: endpoint@0 { > + remote-endpoint = <&ov7740_0>; > + hsync-active = <1>; > + vsync-active = <0>; > + pclk-sample = <1>; > + }; > + }; > + > + clk_in_isc { > + #address-cells = <1>; > + #size-cells = <0>; > + > + isc_ispck: isc_ispck { > + #clock-cells = <0>; > + reg = <0>; > + clocks = <&isc_clk>, <&iscck>; > + }; > + > + isc_mck: isc_mck { > + #clock-cells = <0>; > + reg = <1>; > + clocks = <&isc_clk>, <&iscck>, <&isc_gclk>; > + }; > + }; > +}; > + > +i2c1: i2c@fc028000 { > + ov7740: camera@0x21 { > + compatible = "ovti,ov7740"; > + reg = <0x21>; > + > + clocks = <&isc_mck>; > + clock-names = "xvclk"; > + assigned-clocks = <&isc_mck>; > + assigned-clock-rates = <24000000>; > + > + port { > + ov7740_0: endpoint { > + remote-endpoint = <&isc_0>; > + }; > + }; > +}; > -- > 2.7.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel