From patchwork Thu Jan 26 17:06:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 647374 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 C291AC52D11 for ; Thu, 26 Jan 2023 17:06:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229892AbjAZRGR (ORCPT ); Thu, 26 Jan 2023 12:06:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229964AbjAZRGP (ORCPT ); Thu, 26 Jan 2023 12:06:15 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D998A10E0; Thu, 26 Jan 2023 09:06:10 -0800 (PST) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id F3997975; Thu, 26 Jan 2023 18:06:08 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1674752769; bh=7I1XOUN1k4cqXr6A2LG6cn3N5y0ycWl6FIX6/TC5dbI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=be5Lb1xwKFIa6yT8G9jzZXA7QvHYU73pE6dzlprBzl6YqJW9gW5Wyw2f/Azg8BsGS k67aXqX9XJKWRKuzlNdxUBH4cxGxAxJlZDeZSn9loB9LEITohi3zrcFkGDmY0qqd6N oD4ISuRk0WfLc0XQeDPbTAxq4kk2ZQkM846lbeDg= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Jacopo Mondi , Xavier Roumegue , linux-imx@nxp.com, kernel@pengutronix.de, Adam Ford , Rob Herring , Krzysztof Kozlowski , devicetree@vger.kernel.org Subject: [PATCH v4 1/3] dt-bindings: media: Add i.MX8 ISI DT bindings Date: Thu, 26 Jan 2023 19:06:01 +0200 Message-Id: <20230126170603.11896-2-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230126170603.11896-1-laurent.pinchart@ideasonboard.com> References: <20230126170603.11896-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Image Sensing Interface (ISI) combines image processing pipelines with DMA engines to process and capture frames originating from a variety of sources. The inputs to the ISI go through Pixel Link interfaces, and their number and nature is SoC-dependent. They cover both capture interfaces (MIPI CSI-2 RX, HDMI RX) and memory inputs. Signed-off-by: Laurent Pinchart --- Changes since v3: - Drop patternProperties for ports node - Add i.MX8MN example Changes since v2: - Describe the interrupts property - Set global minItems and maxItems for interrupts - Set maxItems for power-domains Changes since v1: - Fix compatible string checks in conditional schema - Fix interrupts property handling dt-bindings: media: imx8-isi: Add i.MX8MN example Signed-off-by: Laurent Pinchart --- .../bindings/media/nxp,imx8-isi.yaml | 173 ++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml new file mode 100644 index 000000000000..6038b9b5ab36 --- /dev/null +++ b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml @@ -0,0 +1,173 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/nxp,imx8-isi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: i.MX8 Image Sensing Interface + +maintainers: + - Laurent Pinchart + +description: | + The Image Sensing Interface (ISI) combines image processing pipelines with + DMA engines to process and capture frames originating from a variety of + sources. The inputs to the ISI go through Pixel Link interfaces, and their + number and nature is SoC-dependent. They cover both capture interfaces (MIPI + CSI-2 RX, HDMI RX, ...) and display engine outputs for writeback support. + +properties: + compatible: + enum: + - fsl,imx8mn-isi + - fsl,imx8mp-isi + + reg: + maxItems: 1 + + clocks: + items: + - description: The AXI clock + - description: The APB clock + # TODO: Check if the per-channel ipg_proc_clk clocks need to be specified + # as well, in case some SoCs have the ability to control them separately. + # This may be the case of the i.MX8[DQ]X(P) + + clock-names: + items: + - const: axi + - const: apb + + fsl,blk-ctrl: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle referencing the block control that contains the CSIS to ISI + gasket. + + interrupts: + description: Processing pipeline interrupts, one per pipeline + minItems: 1 + maxItems: 2 + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: | + Ports represent the Pixel Link inputs to the ISI. Their number and + assignment are model-dependent. Each port shall have a single endpoint. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - fsl,blk-ctrl + - ports + +allOf: + - if: + properties: + compatible: + contains: + const: fsl,imx8mn-isi + then: + properties: + interrupts: + maxItems: 1 + ports: + properties: + port@0: + description: MIPI CSI-2 RX + required: + - port@0 + + - if: + properties: + compatible: + contains: + const: fsl,imx8mp-isi + then: + properties: + interrupts: + maxItems: 2 + ports: + properties: + port@0: + description: MIPI CSI-2 RX 0 + port@1: + description: MIPI CSI-2 RX 1 + required: + - port@0 + - port@1 + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + + isi@32e20000 { + compatible = "fsl,imx8mn-isi"; + reg = <0x32e20000 0x100>; + interrupts = ; + clocks = <&clk IMX8MN_CLK_DISP_AXI_ROOT>, + <&clk IMX8MN_CLK_DISP_APB_ROOT>; + clock-names = "axi", "apb"; + fsl,blk-ctrl = <&disp_blk_ctrl>; + power-domains = <&disp_blk_ctrl IMX8MN_DISPBLK_PD_ISI>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + isi_in: endpoint { + remote-endpoint = <&mipi_csi_out>; + }; + }; + }; + }; + + - | + #include + #include + #include + + isi@32e00000 { + compatible = "fsl,imx8mp-isi"; + reg = <0x32e00000 0x4000>; + interrupts = , + ; + clocks = <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>, + <&clk IMX8MP_CLK_MEDIA_APB_ROOT>; + clock-names = "axi", "apb"; + fsl,blk-ctrl = <&media_blk_ctrl>; + power-domains = <&mediamix_pd>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + isi_in_0: endpoint { + remote-endpoint = <&mipi_csi_0_out>; + }; + }; + + port@1 { + reg = <1>; + isi_in_1: endpoint { + remote-endpoint = <&mipi_csi_1_out>; + }; + }; + }; + }; +...