From patchwork Sun May 5 14:00:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 10930151 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AB5531398 for ; Sun, 5 May 2019 14:01:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9147E285E0 for ; Sun, 5 May 2019 14:01:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 81187285E5; Sun, 5 May 2019 14:01:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8072B285E0 for ; Sun, 5 May 2019 14:01:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727978AbfEEOBG (ORCPT ); Sun, 5 May 2019 10:01:06 -0400 Received: from shell.v3.sk ([90.176.6.54]:55699 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727928AbfEEOBF (ORCPT ); Sun, 5 May 2019 10:01:05 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 2AB51103B0D; Sun, 5 May 2019 16:01:02 +0200 (CEST) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id gDN4k7d2-d6Q; Sun, 5 May 2019 16:00:40 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 862D5103D28; Sun, 5 May 2019 16:00:39 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id XI1YjrdYj3JR; Sun, 5 May 2019 16:00:36 +0200 (CEST) Received: from nedofet.lan (ip-89-102-31-34.net.upcbroadband.cz [89.102.31.34]) by zimbra.v3.sk (Postfix) with ESMTPSA id 7A093103D25; Sun, 5 May 2019 16:00:35 +0200 (CEST) From: Lubomir Rintel To: Mauro Carvalho Chehab , Jonathan Corbet , linux-media@vger.kernel.org Cc: Rob Herring , Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, James Cameron , Pavel Machek , Libin Yang , Albert Wang , jacopo mondi , Sakari Ailus , Lubomir Rintel Subject: [PATCH v5 01/10] media: dt-bindings: marvell,mmp2-ccic: Add Marvell MMP2 camera Date: Sun, 5 May 2019 16:00:22 +0200 Message-Id: <20190505140031.9636-2-lkundrak@v3.sk> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190505140031.9636-1-lkundrak@v3.sk> References: <20190505140031.9636-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add Marvell MMP2 camera host interface. Signed-off-by: Lubomir Rintel Reviewed-by: Rob Herring Reviewed-by: Jacopo Mondi --- Changes since v4: - s/Nust/Must/ - Documented required endpoint properties; bus-type, hsync-active, vsync-active and pclk-sample. Changes since v3: - Dropped the video-interfaces.txt reference - Clarify "clocks", "clock-names" and "clock-output-names" descriptions - Refer to other documentation by full path Changes since v2: - Added #clock-cells, clock-names, port .../bindings/media/marvell,mmp2-ccic.txt | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt diff --git a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt new file mode 100644 index 0000000000000..7ec2c8c8a3b98 --- /dev/null +++ b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt @@ -0,0 +1,50 @@ +Marvell MMP2 camera host interface + +Required properties: + - compatible: Should be "marvell,mmp2-ccic". + - reg: Register base and size. + - interrupts: The interrupt number. + - #clock-cells: Must be 0. + +Optional properties: + - clocks: Reference to the input clock as specified by + Documentation/devicetree/bindings/clock/clock-bindings.txt. + - clock-names: Names of the clocks used; "axi" for the AXI bus interface, + "func" for the peripheral clock and "phy" for the parallel + video bus interface. + - clock-output-names: Optional clock source for sensors. Shall be "mclk". + +Required subnodes: + - port: The parallel bus interface port with a single endpoint linked to + the sensor's endpoint as described in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Required endpoint properties: + - bus-type: data bus type, <5> or <6> for Parallel or Bt.656 respectively + - pclk-sample: pixel clock polarity + - hsync-active: horizontal synchronization polarity (only required for + parallel bus) + - vsync-active: vertical synchronization polarity (only required for + parallel bus) + +Example: + + camera0: camera@d420a000 { + compatible = "marvell,mmp2-ccic"; + reg = <0xd420a000 0x800>; + interrupts = <42>; + clocks = <&soc_clocks MMP2_CLK_CCIC0>; + clock-names = "axi"; + #clock-cells = <0>; + clock-output-names = "mclk"; + + port { + camera0_0: endpoint { + remote-endpoint = <&ov7670_0>; + bus-type = <5>; /* Parallel */ + hsync-active = <1>; /* Active high */ + vsync-active = <1>; /* Active high */ + pclk-sample = <0>; /* Falling */ + }; + }; + };