From patchwork Mon Jul 31 08:29:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jai Luthra X-Patchwork-Id: 708642 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 95A73C001DF for ; Mon, 31 Jul 2023 08:31:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232107AbjGaIbV (ORCPT ); Mon, 31 Jul 2023 04:31:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229902AbjGaIax (ORCPT ); Mon, 31 Jul 2023 04:30:53 -0400 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A19BB10CA; Mon, 31 Jul 2023 01:30:02 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 36V8TtxR048224; Mon, 31 Jul 2023 03:29:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1690792195; bh=o9JmDGlCqf7iYc+hFKgavJ+cIgy8OWygrvm/7RwaCNo=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=PR3Igdmh8CfimocdKLA5wIR9GgApNgQh8DfR2lekUNA+zkK7HduYofXUuSmQAy/hW dYYNfcfIWLqoBfw2ID9K6uMQOYuA3BcuYa6ukBwrW8Njq4/0sWdiFYyBV0inTbErzV OCoJpnrJhhRioojjIWJo9BuJtUo3QahjXXA0/l+o= Received: from DLEE111.ent.ti.com (dlee111.ent.ti.com [157.170.170.22]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 36V8TtX2087236 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 31 Jul 2023 03:29:55 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 31 Jul 2023 03:29:54 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 31 Jul 2023 03:29:54 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 36V8TsZg084162; Mon, 31 Jul 2023 03:29:54 -0500 From: Jai Luthra To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Laurent Pinchart , Tomi Valkeinen CC: , , , , Mauro Carvalho Chehab , Maxime Ripard , , Benoit Parrot , Vaishnav Achath , Vignesh Raghavendra , , , Subject: [PATCH v8 15/16] media: dt-bindings: Add TI J721E CSI2RX Date: Mon, 31 Jul 2023 13:59:33 +0530 Message-ID: <20230731-upstream_csi-v8-15-fb7d3661c2c9@ti.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230731-upstream_csi-v8-0-fb7d3661c2c9@ti.com> References: <20230731-upstream_csi-v8-0-fb7d3661c2c9@ti.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3761; i=j-luthra@ti.com; h=from:subject:message-id; bh=P09JGVDeZt3QJTcEtMST4pms90RpLSolhngTDU+XnaI=; b=owEBbQKS/ZANAwAIAUPekfkkmnFFAcsmYgBkx2xw/W/v9+VPlHfBxF3Drv6p1QEVN5/bKrRJ/ 7MZl7OAUk2JAjMEAAEIAB0WIQRN4NgY5dV16NRar8VD3pH5JJpxRQUCZMdscAAKCRBD3pH5JJpx RV0nD/wMiNawsYKemxtmXt0Ft7T6NMLlLRmTU0QI0wEJzwG6YhWbsNN9LOHlIkyAhYU8m8PcB3S aHBlQgb0ckWEYjVQoVq1DoPQ2Yz6IS+e0lRxsoNnuivPAf6QiM+RMwxhnBwXNUy2j0Rx+Wc4kO/ 9KA4JvNOzEjIci90VxoPKoKIL9dttKhLchcnF/xAp2cQCUt9qa1NMOlYGLxN6BU4iLjOLwY6knl NI+6q+dQS9JMq3sD8j5IsxNu48HmYPfpnifBWHjO+RftIL9ilHTx7jg6jZyYqqI72oknYaqIHAI j0niviLZEgMveHlEmQk01CIz9JsevJ3wwK7P/iViGNTMBsC6pRYe4oRUxL24h5BY3YtKCXzeyrF F6wRAqaP7CplSy2SDh5SbFCKYxkp87dQ02OatCbJqrwiq1plNZ8tL8j7mAcia6F775KsiX7qmRM jbvqOSmiWr8a4TqDM5XDc7R6p9zq+sVKkap3eTq6Dh1G84sA0wrAc5ewV6eUw+blC4h5xR0tkG6 7wtmwP3eyTTHGimsAIuDnOPdeRrLRxI+joz09P9eD+VG0daPGHTgrKKwuMRRGolm9PARmQMYqGo 3PccY8PVla7N3ip0R1jntLJ/yVCsggg4pnA/hAq1bY3HmodQgsMeAW+acDzEDT2O1dIBxmwRS7a RBw1yejXwLkjgzQ== X-Developer-Key: i=j-luthra@ti.com; a=openpgp; fpr=4DE0D818E5D575E8D45AAFC543DE91F9249A7145 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Pratyush Yadav TI's J721E uses the Cadence CSI2RX and DPHY peripherals to facilitate capture over a CSI-2 bus. The TI CSI2RX platform driver glues all the parts together. Signed-off-by: Pratyush Yadav Signed-off-by: Jai Luthra Reviewed-by: Laurent Pinchart Reviewed-by: Rob Herring --- v7->v8: - Drop "Device Tree Bindings" from title - Rename "Wrapper" to "Shim" in title as that is the name referred in the TRM and other places - Update maintainer to myself - Drop items from compatible as only a single element is present - Rename compatible to "ti,j721e-csi2rx-shim" to distinguish from the SoC-specific CSI2RX bridge compatible .../bindings/media/ti,j721e-csi2rx-shim.yaml | 100 +++++++++++++++++++++ 1 file changed, 100 insertions(+) diff --git a/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml b/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml new file mode 100644 index 000000000000..f762fdc05e4d --- /dev/null +++ b/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/ti,j721e-csi2rx-shim.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI J721E CSI2RX Shim + +description: | + The TI J721E CSI2RX Shim is a wrapper around Cadence CSI2RX bridge that + enables sending captured frames to memory over PSI-L DMA. In the J721E + Technical Reference Manual (SPRUIL1B) it is referred to as "SHIM" under the + CSI_RX_IF section. + +maintainers: + - Jai Luthra + +properties: + compatible: + const: ti,j721e-csi2rx-shim + + dmas: + maxItems: 1 + + dma-names: + items: + - const: rx0 + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + ranges: true + + "#address-cells": true + + "#size-cells": true + +patternProperties: + "^csi-bridge@": + type: object + description: CSI2 bridge node. + $ref: cdns,csi2rx.yaml# + +required: + - compatible + - reg + - dmas + - dma-names + - power-domains + - ranges + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include + + ti_csi2rx0: ticsi2rx@4500000 { + compatible = "ti,j721e-csi2rx-shim"; + dmas = <&main_udmap 0x4940>; + dma-names = "rx0"; + reg = <0x4500000 0x1000>; + power-domains = <&k3_pds 26 TI_SCI_PD_EXCLUSIVE>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + cdns_csi2rx: csi-bridge@4504000 { + compatible = "ti,j721e-csi2rx", "cdns,csi2rx"; + reg = <0x4504000 0x1000>; + clocks = <&k3_clks 26 2>, <&k3_clks 26 0>, <&k3_clks 26 2>, + <&k3_clks 26 2>, <&k3_clks 26 3>, <&k3_clks 26 3>; + clock-names = "sys_clk", "p_clk", "pixel_if0_clk", + "pixel_if1_clk", "pixel_if2_clk", "pixel_if3_clk"; + phys = <&dphy0>; + phy-names = "dphy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + csi2_0: port@0 { + + reg = <0>; + + csi2rx0_in_sensor: endpoint { + remote-endpoint = <&csi2_cam0>; + bus-type = <4>; /* CSI2 DPHY. */ + clock-lanes = <0>; + data-lanes = <1 2>; + }; + }; + }; + }; + };