From patchwork Tue Aug 18 12:20:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11720653 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AFAB9138C for ; Tue, 18 Aug 2020 12:16:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9941A2076D for ; Tue, 18 Aug 2020 12:16:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726568AbgHRMQr (ORCPT ); Tue, 18 Aug 2020 08:16:47 -0400 Received: from relay3-d.mail.gandi.net ([217.70.183.195]:55021 "EHLO relay3-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726682AbgHRMQq (ORCPT ); Tue, 18 Aug 2020 08:16:46 -0400 X-Originating-IP: 2.224.242.101 Received: from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 45BF76000C; Tue, 18 Aug 2020 12:16:42 +0000 (UTC) From: Jacopo Mondi To: robh+dt@kernel.org, devicetree@vger.kernel.org, linux-media@vger.kernel.org, "Lad, Prabhakar" Cc: Jacopo Mondi , mchehab@kernel.org, sakari.ailus@linux.intel.com, hverkuil-cisco@xs4all.nl, laurent.pinchart@ideasonboard.com, linux-renesas-soc@vger.kernel.org Subject: [PATCH 3/3] dt-bindings: media: ov772x: Document endpoint props Date: Tue, 18 Aug 2020 14:20:12 +0200 Message-Id: <20200818122012.37956-4-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200818122012.37956-1-jacopo+renesas@jmondi.org> References: <20200818122012.37956-1-jacopo+renesas@jmondi.org> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Document endpoint properties for the parallel bus type and add them to the example. Specify a few constraints: - If the bus type is BT.656 no hsync or vsycn polarities can be specified. - If the bus width is 10 bits, not data-shift can be applied. Signed-off-by: Jacopo Mondi Reviewed-by: Lad Prabhakar --- .../devicetree/bindings/media/i2c/ov772x.yaml | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) -- 2.27.0 diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ov772x.yaml index 75dad40f70cc..3fad5dffd19a 100644 --- a/Documentation/devicetree/bindings/media/i2c/ov772x.yaml +++ b/Documentation/devicetree/bindings/media/i2c/ov772x.yaml @@ -50,9 +50,47 @@ properties: bus-type: enum: [5, 6] + bus-width: + enum: [8, 10] + default: 10 + + data-shift: + enum: [0, 2] + default: 0 + + hsync-active: + enum: [0, 1] + default: 1 + + vsync-active: + enum: [0, 1] + default: 1 + + pclk-sample: + enum: [0, 1] + default: 1 + remote-endpoint: description: A phandle to the bus receiver's endpoint node. + allOf: + - if: + properties: + bus-type: + const: 6 + then: + properties: + hsync-active: false + vsync-active: false + + - if: + properties: + bus-width: + const: 10 + then: + properties: + data-shift: + const: 0 required: - bus-type @@ -82,6 +120,11 @@ examples: port { ov772x_0: endpoint { bus-type = <5>; + vsync-active = <0>; + hsync-active = <0>; + pclk-sample = <0>; + bus-width = <8>; + data-shift = <0>; remote-endpoint = <&vcap1_in0>; }; };