From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from galahad.ideasonboard.com ([185.26.127.97]:36051 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757683AbdKOLc4 (ORCPT ); Wed, 15 Nov 2017 06:32:56 -0500 Subject: Re: [PATCH v1 01/10] dt-bindings: media: Add Renesas CEU bindings To: Jacopo Mondi , laurent.pinchart@ideasonboard.com, magnus.damm@gmail.com, geert@glider.be, mchehab@kernel.org, hverkuil@xs4all.nl Cc: linux-renesas-soc@vger.kernel.org, linux-media@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org References: <1510743363-25798-1-git-send-email-jacopo+renesas@jmondi.org> <1510743363-25798-2-git-send-email-jacopo+renesas@jmondi.org> Reply-To: kieran.bingham@ideasonboard.com From: Kieran Bingham Message-ID: <8d6fe1c0-f1cd-346e-6277-7e382a57ce98@ideasonboard.com> Date: Wed, 15 Nov 2017 11:32:51 +0000 MIME-Version: 1.0 In-Reply-To: <1510743363-25798-2-git-send-email-jacopo+renesas@jmondi.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi Jacopo, A couple of minor language fixups inline. On 15/11/17 10:55, Jacopo Mondi wrote: > Add bindings documentation for Renesas Capture Engine Unit (CEU). > > Signed-off-by: Jacopo Mondi > --- > .../devicetree/bindings/media/renesas,ceu.txt | 87 ++++++++++++++++++++++ > 1 file changed, 87 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/renesas,ceu.txt > > diff --git a/Documentation/devicetree/bindings/media/renesas,ceu.txt b/Documentation/devicetree/bindings/media/renesas,ceu.txt > new file mode 100644 > index 0000000..a88e9cb > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/renesas,ceu.txt > @@ -0,0 +1,87 @@ > +Renesas Capture Engine Unit (CEU) > +---------------------------------------------- > + > +The Capture Engine Unit is the image capture interface found on Renesas > +RZ chip series and on SH Mobile ones. > + > +The interface supports a single parallel input with up 8/16bits data bus width. s/with up 8/16bits/with either 8 or 16 bits/ ? > + > +Required properties: > +- compatible > + Must be "renesas,renesas-ceu". > +- reg > + Physical address base and size. > +- interrupts > + The interrupt line number. > +- pinctrl-names, pinctrl-0 > + phandle of pin controller sub-node configuring pins for CEU operations. > + > +CEU supports a single parallel input and should contain a single 'port' subnode > +with a single 'endpoint'. Optional endpoint properties applicable to parallel > +input bus are described in "video-interfaces.txt". > + > +Example: > + > +The example describes the connection between the Capture Engine Unit and a s/and a/and an/ > +OV7670 image sensor sitting on bus i2c1 with an on-board 24Mhz clock. > + > +ceu: ceu@e8210000 { > + reg = <0xe8210000 0x209c>; > + compatible = "renesas,renesas-ceu"; > + interrupts = ; > + pinctrl-names = "default"; > + pinctrl-0 = <&vio_pins>; > + > + status = "okay"; > + > + port { > + ceu_in: endpoint { > + remote-endpoint = <&ov7670_out>; > + > + bus-width = <8>; > + hsync-active = <1>; > + vsync-active = <1>; > + pclk-sample = <1>; > + data-active = <1>; > + }; > + }; > +}; > + > +i2c1: i2c@fcfee400 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c1_pins>; > + > + status = "okay"; > + clock-frequency = <100000>; > + > + ov7670: camera@21 { > + compatible = "ovti,ov7670"; > + reg = <0x21>; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&vio_pins>; > + > + reset-gpios = <&port3 11 GPIO_ACTIVE_LOW>; > + powerdown-gpios = <&port3 12 GPIO_ACTIVE_HIGH>; > + > + clocks = <&xclk>; > + clock-names = "xclk"; > + > + xclk: fixed_clk { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <24000000>; > + }; > + > + port { > + ov7670_out: endpoint { > + remote-endpoint = <&ceu_in>; > + > + bus-width = <8>; > + hsync-active = <1>; > + vsync-active = <1>; > + pclk-sample = <1>; > + data-active = <1>; > + }; > + }; > + }; >