From patchwork Mon Feb 12 22:07:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 10214635 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2CE0A60467 for ; Mon, 12 Feb 2018 22:08:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0EA9C28806 for ; Mon, 12 Feb 2018 22:08:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 035FA28A86; Mon, 12 Feb 2018 22:08:09 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7199828806 for ; Mon, 12 Feb 2018 22:08:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0054E89A44; Mon, 12 Feb 2018 22:08:07 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0045E89A44 for ; Mon, 12 Feb 2018 22:08:05 +0000 (UTC) Received: from localhost.localdomain (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 84D0021799; Mon, 12 Feb 2018 22:08:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84D0021799 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=kbingham@kernel.org From: Kieran Bingham To: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 1/5] dt-bindings: media: adv7604: Add support for i2c_new_secondary_device Date: Mon, 12 Feb 2018 22:07:49 +0000 Message-Id: <1518473273-6333-2-git-send-email-kbingham@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1518473273-6333-1-git-send-email-kbingham@kernel.org> References: <1518473273-6333-1-git-send-email-kbingham@kernel.org> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Sergei Shtylyov , Kieran Bingham , Rob Herring , Kieran Bingham , Jean-Michel Hautbois , Mauro Carvalho Chehab Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Jean-Michel Hautbois The ADV7604 has thirteen 256-byte maps that can be accessed via the main I²C ports. Each map has it own I²C address and acts as a standard slave device on the I²C bus. Extend the device tree node bindings to be able to override the default addresses so that address conflicts with other devices on the same bus may be resolved at the board description level. Signed-off-by: Jean-Michel Hautbois [Kieran: Re-adapted for mainline] Signed-off-by: Kieran Bingham Reviewed-by: Rob Herring Reviewed-by: Laurent Pinchart --- Based upon the original posting : https://lkml.org/lkml/2014/10/22/469 v2: - DT Binding update separated from code change - Minor reword to commit message to account for DT only change. - Collected Rob's RB tag. v3: - Split map register addresses into individual declarations. .../devicetree/bindings/media/i2c/adv7604.txt | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt b/Documentation/devicetree/bindings/media/i2c/adv7604.txt index 9cbd92eb5d05..ebb5f070c05b 100644 --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt @@ -13,7 +13,11 @@ Required Properties: - "adi,adv7611" for the ADV7611 - "adi,adv7612" for the ADV7612 - - reg: I2C slave address + - reg: I2C slave addresses + The ADV76xx has up to thirteen 256-byte maps that can be accessed via the + main I²C ports. Each map has it own I²C address and acts as a standard + slave device on the I²C bus. The main address is mandatory, others are + optional and revert to defaults if not specified. - hpd-gpios: References to the GPIOs that control the HDMI hot-plug detection pins, one per HDMI input. The active flag indicates the GPIO @@ -35,6 +39,11 @@ Optional Properties: - reset-gpios: Reference to the GPIO connected to the device's reset pin. - default-input: Select which input is selected after reset. + - reg-names : Names of maps with programmable addresses. + It can contain any map needing a non-default address. + Possible maps names are : + "main", "avlink", "cec", "infoframe", "esdp", "dpp", "afe", + "rep", "edid", "hdmi", "test", "cp", "vdp" Optional Endpoint Properties: @@ -52,7 +61,12 @@ Example: hdmi_receiver@4c { compatible = "adi,adv7611"; - reg = <0x4c>; + /* + * The edid page will be accessible @ 0x66 on the i2c bus. All + * other maps will retain their default addresses. + */ + reg = <0x4c>, <0x66>; + reg-names "main", "edid"; reset-gpios = <&ioexp 0 GPIO_ACTIVE_LOW>; hpd-gpios = <&ioexp 2 GPIO_ACTIVE_HIGH>;