From patchwork Fri Mar 10 12:05:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jack Zhu X-Patchwork-Id: 661972 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E921DC74A5B for ; Fri, 10 Mar 2023 12:06:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230355AbjCJMGq convert rfc822-to-8bit (ORCPT ); Fri, 10 Mar 2023 07:06:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230207AbjCJMGR (ORCPT ); Fri, 10 Mar 2023 07:06:17 -0500 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5B15FAAD7; Fri, 10 Mar 2023 04:06:02 -0800 (PST) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id DE23724E257; Fri, 10 Mar 2023 20:05:55 +0800 (CST) Received: from EXMBX073.cuchost.com (172.16.6.83) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 10 Mar 2023 20:05:55 +0800 Received: from xiaofei.localdomain (180.164.60.184) by EXMBX073.cuchost.com (172.16.6.83) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 10 Mar 2023 20:05:55 +0800 From: Jack Zhu To: Mauro Carvalho Chehab , Maxime Ripard , Rob Herring , Krzysztof Kozlowski , Robert Foss , "Todor Tomov" , Philipp Zabel , "Laurent Pinchart" , Jernej Skrabec , Andrzej Pietrasiewicz , Hans Verkuil , Eugen Hristev CC: , , , , Subject: [PATCH v2 2/6] media: dt-bindings: cadence-csi2rx: Convert to DT schema Date: Fri, 10 Mar 2023 20:05:49 +0800 Message-ID: <20230310120553.60586-3-jack.zhu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230310120553.60586-1-jack.zhu@starfivetech.com> References: <20230310120553.60586-1-jack.zhu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [180.164.60.184] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX073.cuchost.com (172.16.6.83) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Convert DT bindings document for Cadence MIPI-CSI2 RX controller to DT schema format and add new properties. Signed-off-by: Jack Zhu --- .../devicetree/bindings/media/cdns,csi2rx.txt | 100 ----------- .../bindings/media/cdns,csi2rx.yaml | 163 ++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 164 insertions(+), 100 deletions(-) delete mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.txt create mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.yaml diff --git a/Documentation/devicetree/bindings/media/cdns,csi2rx.txt b/Documentation/devicetree/bindings/media/cdns,csi2rx.txt deleted file mode 100644 index 6b02a0657ad9..000000000000 --- a/Documentation/devicetree/bindings/media/cdns,csi2rx.txt +++ /dev/null @@ -1,100 +0,0 @@ -Cadence MIPI-CSI2 RX controller -=============================== - -The Cadence MIPI-CSI2 RX controller is a CSI-2 bridge supporting up to 4 CSI -lanes in input, and 4 different pixel streams in output. - -Required properties: - - compatible: must be set to "cdns,csi2rx" and an SoC-specific compatible - - reg: base address and size of the memory mapped region - - clocks: phandles to the clocks driving the controller - - clock-names: must contain: - * sys_clk: main clock - * p_clk: register bank clock - * pixel_if[0-3]_clk: pixel stream output clock, one for each stream - implemented in hardware, between 0 and 3 - -Optional properties: - - phys: phandle to the external D-PHY, phy-names must be provided - - phy-names: must contain "dphy", if the implementation uses an - external D-PHY - -Required subnodes: - - ports: A ports node with one port child node per device input and output - port, in accordance with the video interface bindings defined in - Documentation/devicetree/bindings/media/video-interfaces.txt. The - port nodes are numbered as follows: - - Port Description - ----------------------------- - 0 CSI-2 input - 1 Stream 0 output - 2 Stream 1 output - 3 Stream 2 output - 4 Stream 3 output - - The stream output port nodes are optional if they are not - connected to anything at the hardware level or implemented - in the design.Since there is only one endpoint per port, - the endpoints are not numbered. - - -Example: - -csi2rx: csi-bridge@0d060000 { - compatible = "cdns,csi2rx"; - reg = <0x0d060000 0x1000>; - clocks = <&byteclock>, <&byteclock> - <&coreclock>, <&coreclock>, - <&coreclock>, <&coreclock>; - clock-names = "sys_clk", "p_clk", - "pixel_if0_clk", "pixel_if1_clk", - "pixel_if2_clk", "pixel_if3_clk"; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - - csi2rx_in_sensor: endpoint { - remote-endpoint = <&sensor_out_csi2rx>; - clock-lanes = <0>; - data-lanes = <1 2>; - }; - }; - - port@1 { - reg = <1>; - - csi2rx_out_grabber0: endpoint { - remote-endpoint = <&grabber0_in_csi2rx>; - }; - }; - - port@2 { - reg = <2>; - - csi2rx_out_grabber1: endpoint { - remote-endpoint = <&grabber1_in_csi2rx>; - }; - }; - - port@3 { - reg = <3>; - - csi2rx_out_grabber2: endpoint { - remote-endpoint = <&grabber2_in_csi2rx>; - }; - }; - - port@4 { - reg = <4>; - - csi2rx_out_grabber3: endpoint { - remote-endpoint = <&grabber3_in_csi2rx>; - }; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/media/cdns,csi2rx.yaml b/Documentation/devicetree/bindings/media/cdns,csi2rx.yaml new file mode 100644 index 000000000000..ed573a67f93e --- /dev/null +++ b/Documentation/devicetree/bindings/media/cdns,csi2rx.yaml @@ -0,0 +1,163 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/cdns,csi2rx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence MIPI-CSI2 RX controller + +maintainers: + - Maxime Ripard + +description: + The Cadence MIPI-CSI2 RX controller is a CSI-2 bridge supporting up to 4 CSI + lanes in input, and 4 different pixel streams in output. + +properties: + compatible: + enum: + - cdns,csi2rx + + reg: + maxItems: 1 + + clocks: + items: + - description: CSI2Rx system clock + - description: Gated Register bank clock for APB interface + - description: pixel Clock for Stream interface 0 + - description: pixel Clock for Stream interface 1 + - description: pixel Clock for Stream interface 2 + - description: pixel Clock for Stream interface 3 + + clock-names: + items: + - const: sys + - const: reg_bank + - const: pixel_if0 + - const: pixel_if1 + - const: pixel_if2 + - const: pixel_if3 + + resets: + items: + - description: CSI2Rx system reset + - description: Gated Register bank reset for APB interface + - description: pixel reset for Stream interface 0 + - description: pixel reset for Stream interface 1 + - description: pixel reset for Stream interface 2 + - description: pixel reset for Stream interface 3 + + reset-names: + items: + - const: sys + - const: reg_bank + - const: pixel_if0 + - const: pixel_if1 + - const: pixel_if2 + - const: pixel_if3 + + phys: + maxItems: 1 + description: MIPI D-PHY + + phy-names: + items: + - const: dphy + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Input port node, single endpoint describing the CSI-2 transmitter. + + properties: + endpoint: + $ref: video-interfaces.yaml# + unevaluatedProperties: false + + properties: + bus-type: + enum: + - 4 + + clock-lanes: + maximum: 4 + + data-lanes: + minItems: 1 + maxItems: 4 + items: + maximum: 4 + + required: + - clock-lanes + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port node + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - clocks + - clock-names + - ports + +additionalProperties: false + +examples: + - | + csi2rx: csi@0d060000 { + compatible = "cdns,csi2rx"; + reg = <0x0d060000 0x1000>; + clocks = <&byteclock 7>, <&byteclock 6>, + <&coreclock 8>, <&coreclock 9>, + <&coreclock 10>, <&coreclock 11>; + clock-names = "sys", "reg_bank", + "pixel_if0", "pixel_if1", + "pixel_if2", "pixel_if3"; + resets = <&bytereset 9>, <&bytereset 4>, + <&corereset 5>, <&corereset 6>, + <&corereset 7>, <&corereset 8>; + reset-names = "sys", "reg_bank", + "pixel_if0", "pixel_if1", + "pixel_if2", "pixel_if3"; + phys = <&csi_phy>; + phy-names = "dphy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + csi2rx_in_sensor: endpoint { + remote-endpoint = <&sensor_out_csi2rx>; + clock-lanes = <0>; + data-lanes = <1 2>; + }; + }; + + port@1 { + reg = <1>; + + csi2rx_out_grabber0: endpoint { + remote-endpoint = <&grabber0_in_csi2rx>; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 8ddef8669efb..b2e7ca5603c3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4632,6 +4632,7 @@ M: Maxime Ripard L: linux-media@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/media/cdns,*.txt +F: Documentation/devicetree/bindings/media/cdns,csi2rx.yaml F: drivers/media/platform/cadence/cdns-csi2* CADENCE NAND DRIVER