From patchwork Thu Sep 3 13:10:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 255912 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0D16C433E9 for ; Thu, 3 Sep 2020 13:30:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7524D2072A for ; Thu, 3 Sep 2020 13:30:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729015AbgICNNO (ORCPT ); Thu, 3 Sep 2020 09:13:14 -0400 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:65055 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728984AbgICNJc (ORCPT ); Thu, 3 Sep 2020 09:09:32 -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 relay2-d.mail.gandi.net (Postfix) with ESMTPSA id C6F9C40026; Thu, 3 Sep 2020 13:07:03 +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, Lad Prabhakar Subject: [PATCH v4 3/3] dt-bindings: media: ov772x: Document endpoint props Date: Thu, 3 Sep 2020 15:10:29 +0200 Message-Id: <20200903131029.18334-4-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903131029.18334-1-jacopo+renesas@jmondi.org> References: <20200903131029.18334-1-jacopo+renesas@jmondi.org> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@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. Reviewed-by: Lad Prabhakar Signed-off-by: Jacopo Mondi --- .../bindings/media/i2c/ovti,ov772x.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml index 406e9cd463a2..c596cbd1e92d 100644 --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml @@ -52,6 +52,45 @@ 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 + + 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: - remote-endpoint - bus-type @@ -85,6 +124,11 @@ 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>; }; };