From patchwork Fri May 29 13:04:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 1300680 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49YPsg0w32z9sPF for ; Fri, 29 May 2020 23:04:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726900AbgE2NEW (ORCPT ); Fri, 29 May 2020 09:04:22 -0400 Received: from relay6-d.mail.gandi.net ([217.70.183.198]:50721 "EHLO relay6-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726687AbgE2NEV (ORCPT ); Fri, 29 May 2020 09:04:21 -0400 X-Originating-IP: 86.250.147.67 Received: from pc-10.home (lfbn-tou-1-695-67.w86-250.abo.wanadoo.fr [86.250.147.67]) (Authenticated sender: maxime.chevallier@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 15FE1C0002; Fri, 29 May 2020 13:04:17 +0000 (UTC) From: Maxime Chevallier To: Mauro Carvalho Chehab , Robin Murphy , Rob Herring , Mark Rutland , Heiko Stuebner , Hans Verkuil Cc: Maxime Chevallier , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , Miquel Raynal , Paul Kocialkowski Subject: [PATCH v2 1/3] media: dt-bindings: media: Document Rockchip CIF bindings Date: Fri, 29 May 2020 15:04:03 +0200 Message-Id: <20200529130405.929429-2-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200529130405.929429-1-maxime.chevallier@bootlin.com> References: <20200529130405.929429-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a documentation for the Rockchip Camera Interface controller binding. This controller can be found on platforms such as the PX30 or the RK3288, the PX30 being the only platform supported so far. Signed-off-by: Maxime Chevallier --- Changes since V1 - Updated the clock and reset names - Added missing includes in the example, so that the make dt_binding_check passes .../bindings/media/rockchip-cif.yaml | 100 ++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/rockchip-cif.yaml diff --git a/Documentation/devicetree/bindings/media/rockchip-cif.yaml b/Documentation/devicetree/bindings/media/rockchip-cif.yaml new file mode 100644 index 000000000000..f11a30ca9d42 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-cif.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/rockchip-cif.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip Camera Interface (CIF) + +maintainers: + - Maxime Chevallier + +description: |- + Camera Interface for Rockcip platforms + +properties: + compatible: + const: rockchip,px30-cif + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: ACLK + - description: HCLK + - description: PCLK IN + + clock-names: + items: + - const: aclk + - const: hclkf + - const: pclkin + + resets: + items: + - description: AXI + - description: AHB + - description: PCLK IN + + reset-names: + items: + - const: axi + - const: ahb + - const: pclkin + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + # See ./video-interfaces.txt for details + port: + type: object + additionalProperties: false + + properties: + endpoint: + type: object + + properties: + remote-endpoint: true + + required: + - remote-endpoint + + required: + - endpoint + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include + #include + #include + + cif: cif@ff490000 { + compatible = "rockchip,px30-cif"; + reg = <0x0 0xff490000 0x0 0x200>; + interrupts = ; + clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>, <&cru SCLK_CIF_OUT>; + clock-names = "aclk_cif", "hclk_cif", "pclk_cif", "cif_out"; + resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>; + reset-names = "rst_cif_a", "rst_cif_h", "rst_cif_pclkin"; + power-domains = <&power PX30_PD_VI>; + port { + cif_in: endpoint { + remote-endpoint = <&tw9900_out>; + }; + }; + }; +...