From patchwork Mon Jun 14 12:15:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 12318817 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AFB6C2B9F4 for ; Mon, 14 Jun 2021 12:18:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA8A7611CE for ; Mon, 14 Jun 2021 12:18:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA8A7611CE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=puri.sm Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5Y555Gl2ARI1t1+fMbuaopZhYZ0zFXB3XAnSyWeFeDg=; b=XNQAHGqyZZ50AB TgMoJbP1GmxboKZzzv3Lm8eGIGS6O0xq7qBBC/9JsDyQDNauZTVN9RXVvvco2fH1/PkZUz2v7sX/F UbCZyJ93MnjeOxMABMiTNkHFi3tYKq14CP8E6Jz2AXMLp46AUUsWDoO6FL3+muA7bL3lhvgKqWhAE zkNj2r/47bzIjA2rkaR49/w98b+LW2T4lItv81btLBCqohbCcBsDt4P/bMd7J8ojyQVkJwZHNVNxL Ac99bxzD9aVjnfW+d7H8QM3EiM78dVpc/xOOfWF3BgsbXY1DFLDHp9QAjc2uF9KqhSncANu6O2SSB UX/05LVlhcvZ2y4mH/0A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lslW9-00E1MW-RA; Mon, 14 Jun 2021 12:16:37 +0000 Received: from comms.puri.sm ([159.203.221.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lslVu-00E1GX-F5 for linux-arm-kernel@lists.infradead.org; Mon, 14 Jun 2021 12:16:24 +0000 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id 3EDEBE1FD3; Mon, 14 Jun 2021 05:15:52 -0700 (PDT) Received: from comms.puri.sm ([127.0.0.1]) by localhost (comms.puri.sm [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Xdk0FjcwTApp; Mon, 14 Jun 2021 05:15:48 -0700 (PDT) From: Martin Kepplinger To: martin.kepplinger@puri.sm, laurent.pinchart@ideasonboard.com Cc: devicetree@vger.kernel.org, festevam@gmail.com, kernel@pengutronix.de, kernel@puri.sm, krzk@kernel.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, mchehab@kernel.org, phone-devel@vger.kernel.org, robh@kernel.org, shawnguo@kernel.org, slongerbeam@gmail.com, m.felsch@pengutronix.de Subject: [PATCH v4 1/3] dt-bindings: media: document the nxp, imx8mq-mipi-csi2 receiver phy and controller Date: Mon, 14 Jun 2021 14:15:20 +0200 Message-Id: <20210614121522.2944593-2-martin.kepplinger@puri.sm> In-Reply-To: <20210614121522.2944593-1-martin.kepplinger@puri.sm> References: <20210614121522.2944593-1-martin.kepplinger@puri.sm> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210614_051622_558538_65165293 X-CRM114-Status: GOOD ( 13.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The i.MX8MQ SoC integrates a different MIPI CSI receiver as the i.MX8MM so describe the DT bindings for it. Signed-off-by: Martin Kepplinger --- .../bindings/media/nxp,imx8mq-mipi-csi2.yaml | 171 ++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml new file mode 100644 index 000000000000..4fed224ebfdd --- /dev/null +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml @@ -0,0 +1,171 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/nxp,imx8mq-mipi-csi2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX8MQ MIPI CSI-2 receiver + +maintainers: + - Martin Kepplinger + +description: |- + This binding covers the CSI-2 RX PHY and host controller included in the + NXP i.MX8MQ SoC. It handles the sensor/image input and process for all the + input imaging devices. + +properties: + compatible: + enum: + - fsl,imx8mq-mipi-csi2 + + reg: + maxItems: 1 + + clocks: + items: + - description: core is the RX Controller Core Clock input. This clock + must be exactly equal to or faster than the receive + byteclock from the RX DPHY. + - description: esc is the Rx Escape Clock. This must be the same escape + clock that the RX DPHY receives. + - description: pxl is the pixel clock (phy_ref up to 333Mhz). + - description: clko2 is the CLKO2 clock root. + See the reference manual for details. + + clock-names: + items: + - const: core + - const: esc + - const: pxl + - const: clko2 + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + fsl,mipi-phy-gpr: + description: | + The phandle to the imx8mq syscon iomux-gpr with the register + for setting RX_ENABLE for the mipi receiver. + + The format should be as follows: + + gpr is the phandle to general purpose register node. + req_gpr is the gpr register offset of RX_ENABLE for the mipi phy. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: The 'gpr' is the phandle to general purpose register node. + - description: The 'req_gpr' is the gpr register offset containing + CSI2_1_RX_ENABLE or CSI2_2_RX_ENABLE respectively. + maximum: 0xff + + interconnects: + maxItems: 1 + + interconnect-names: + const: dram + + 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: + data-lanes: + items: + minItems: 1 + maxItems: 4 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + required: + - 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 + - power-domains + - resets + - fsl,mipi-phy-gpr + - ports + +additionalProperties: false + +examples: + - | + #include + #include + + csi@30a70000 { + compatible = "fsl,imx8mq-mipi-csi2"; + reg = <0x30a70000 0x1000>; + clocks = <&clk IMX8MQ_CLK_CSI1_CORE>, + <&clk IMX8MQ_CLK_CSI1_ESC>, + <&clk IMX8MQ_CLK_CSI1_PHY_REF>, + <&clk IMX8MQ_CLK_CLKO2>; + clock-names = "core", "esc", "pxl", "clko2"; + assigned-clocks = <&clk IMX8MQ_CLK_CSI1_CORE>, + <&clk IMX8MQ_CLK_CSI1_PHY_REF>, + <&clk IMX8MQ_CLK_CSI1_ESC>; + assigned-clock-rates = <266000000>, <200000000>, <66000000>; + assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_266M>, + <&clk IMX8MQ_SYS2_PLL_1000M>, + <&clk IMX8MQ_SYS1_PLL_800M>; + power-domains = <&pgc_mipi_csi1>; + resets = <&src>; + fsl,mipi-phy-gpr = <&iomuxc_gpr 0x88>; + interconnects = <&noc IMX8MQ_ICM_CSI1 &noc IMX8MQ_ICS_DRAM>; + interconnect-names = "dram"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + imx8mm_mipi_csi_in: endpoint { + remote-endpoint = <&imx477_out>; + data-lanes = <1 2 3 4>; + }; + }; + + port@1 { + reg = <1>; + + imx8mm_mipi_csi_out: endpoint { + remote-endpoint = <&csi_in>; + }; + }; + }; + }; + +...