From patchwork Fri Jul 30 17:16:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 12411703 X-Patchwork-Delegate: kuba@kernel.org 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2C620C4320E for ; Fri, 30 Jul 2021 17:17:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BF9B60E93 for ; Fri, 30 Jul 2021 17:17:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230117AbhG3RRD (ORCPT ); Fri, 30 Jul 2021 13:17:03 -0400 Received: from smtp-36.italiaonline.it ([213.209.10.36]:58178 "EHLO libero.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229953AbhG3RRB (ORCPT ); Fri, 30 Jul 2021 13:17:01 -0400 Received: from passgat-Modern-14-A10M.homenet.telecomitalia.it ([79.45.223.112]) by smtp-36.iol.local with ESMTPA id 9W7tmvxuai9pC9W7xmkmuu; Fri, 30 Jul 2021 19:16:55 +0200 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=libero.it; s=s2021; t=1627665415; bh=byHMCPhGZ+GTEHiz8XqPFAP8SrcBPUm0jTW9VfwGYOY=; h=From; b=Ben7FH+9T6DVWKZOGqC/MWsm5wIS4XKn54DitfWke9aeyEojXFhEOlqu6M20AM1KD JbaQpdOfxOOtpfYwpdVj6iAuGXyjI/sOsP5TLWWvxRX21XXXNeqTPesIQIs5Mf5g6C dBfoUipL16tuJVLA4s4f41C22AG9Hgzx0ccmDmmEITY58HZ7aDS1AygE8P6QXJgh+u R19WwlxWx6OqGbv3Dom87u8fiBRjPKvs+QioXHKh2GGhyR2X+84WwVa0bVLpJ1bo8/ T86nSLUksveG3sBao4pJxCMBCcdCHRzqR+jlE6QDD9cn97q8MDVqHqnNt5tEwqGkq3 Uz/G1pyd1V5Bg== X-CNFS-Analysis: v=2.4 cv=RqYAkAqK c=1 sm=1 tr=0 ts=61043407 cx=a_exe a=bNRYHniHET+FA3QFAnazSw==:117 a=bNRYHniHET+FA3QFAnazSw==:17 a=gEfo2CItAAAA:8 a=faqJUPsDrVUeZvGr8DYA:9 a=Sf5sUmNcCa837iNl:21 a=jsU-foglF0TQYXlV:21 a=sptkURWiP4Gy88Gu7hUp:22 From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Dario Binacchi , "David S. Miller" , Jakub Kicinski , Marc Kleine-Budde , Rob Herring , Wolfgang Grandegger , devicetree@vger.kernel.org, linux-can@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v3] dt-bindings: net: can: c_can: convert to json-schema Date: Fri, 30 Jul 2021 19:16:46 +0200 Message-Id: <20210730171646.2406-1-dariobin@libero.it> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4xfNEl38DIm46sYo5x2RN/cpQMMGVk1GQcqlOmoXyZIRQM6+rUaKxqIilWxWW/3wXJxChimr3dTLjccutauXzSnJAjrrRuLYRd3JVRHgy1Fk4JF5iIS1EJ h/lqDBxiHdDd2u5G5X643k8ag0Z/i9+CGmL+uoSfsPXKk5Nc8JoOiFVRfPDH1OYTmK+g9C1S+vBlgeWSnHznmYukabZUXwr0JuSrxaP+zbK5L5LBCdf9qXp1 Ysp6yUTRuXjXlT3Yk9Mgp5Ypl+olmWHnxUJhPyfmf5AZEuGln+LIL0t0zuxBaxrM+M6WlIhh1nwzUQqdZ23BfxMe3bLtMifsPRgMqy9piR8kOAzX6od1+MO1 VrODlPpaYpYxUX1GOhb51aMVtAVXsNPjKh7h/nfwjB87YsAu0w9m8w+hmebudyyoYhY2HXr8lO3xVv76wY0vV6xGy9JdNgd00czyZrrKRK4S2J/EtUienJik 4dlaMUzLTYXvMo3OYYobGFG21BAfVDGr6UtkiGdg1DdneSu31vv+8VD+yxo= Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Convert the Bosch C_CAN/D_CAN controller device tree binding documentation to json-schema. Document missing properties. Remove "ti,hwmods" as it is no longer used in TI dts. Make "clocks" required as it is used in all dts. Correct nodename in the example. Signed-off-by: Dario Binacchi --- Changes in v3: - Add type (phandle-array) and size (maxItems: 2) to syscon-raminit property. Changes in v2: - Drop Documentation references. .../bindings/net/can/bosch,c_can.yaml | 85 +++++++++++++++++++ .../devicetree/bindings/net/can/c_can.txt | 65 -------------- 2 files changed, 85 insertions(+), 65 deletions(-) create mode 100644 Documentation/devicetree/bindings/net/can/bosch,c_can.yaml delete mode 100644 Documentation/devicetree/bindings/net/can/c_can.txt diff --git a/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml new file mode 100644 index 000000000000..416db97fbf9d --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/can/bosch,c_can.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Bosch C_CAN/D_CAN controller Device Tree Bindings + +description: Bosch C_CAN/D_CAN controller for CAN bus + +maintainers: + - Dario Binacchi + +allOf: + - $ref: can-controller.yaml# + +properties: + compatible: + oneOf: + - enum: + - bosch,c_can + - bosch,d_can + - ti,dra7-d_can + - ti,am3352-d_can + - items: + - enum: + - ti,am4372-d_can + - const: ti,am3352-d_can + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + description: | + Should contain a phandle to a PM domain provider node and an args + specifier containing the DCAN device id value. It's mandatory for + Keystone 2 66AK2G SoCs only. + maxItems: 1 + + clocks: + description: | + CAN functional clock phandle. + maxItems: 1 + + clock-names: + maxItems: 1 + + syscon-raminit: + description: | + Handle to system control region that contains the RAMINIT register, + register offset to the RAMINIT register and the CAN instance number (0 + offset). + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 2 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + can@481d0000 { + compatible = "bosch,d_can"; + reg = <0x481d0000 0x2000>; + interrupts = <55>; + interrupt-parent = <&intc>; + status = "disabled"; + }; + - | + can@0 { + compatible = "ti,am3352-d_can"; + reg = <0x0 0x2000>; + clocks = <&dcan1_fck>; + clock-names = "fck"; + syscon-raminit = <&scm_conf 0x644 1>; + interrupts = <55>; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/net/can/c_can.txt b/Documentation/devicetree/bindings/net/can/c_can.txt deleted file mode 100644 index 366479806acb..000000000000 --- a/Documentation/devicetree/bindings/net/can/c_can.txt +++ /dev/null @@ -1,65 +0,0 @@ -Bosch C_CAN/D_CAN controller Device Tree Bindings -------------------------------------------------- - -Required properties: -- compatible : Should be "bosch,c_can" for C_CAN controllers and - "bosch,d_can" for D_CAN controllers. - Can be "ti,dra7-d_can", "ti,am3352-d_can" or - "ti,am4372-d_can". -- reg : physical base address and size of the C_CAN/D_CAN - registers map -- interrupts : property with a value describing the interrupt - number - -The following are mandatory properties for DRA7x, AM33xx and AM43xx SoCs only: -- ti,hwmods : Must be "d_can" or "c_can", n being the - instance number - -The following are mandatory properties for Keystone 2 66AK2G SoCs only: -- power-domains : Should contain a phandle to a PM domain provider node - and an args specifier containing the DCAN device id - value. This property is as per the binding, - Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml -- clocks : CAN functional clock phandle. This property is as per the - binding, - Documentation/devicetree/bindings/clock/ti,sci-clk.yaml - -Optional properties: -- syscon-raminit : Handle to system control region that contains the - RAMINIT register, register offset to the RAMINIT - register and the CAN instance number (0 offset). - -Note: "ti,hwmods" field is used to fetch the base address and irq -resources from TI, omap hwmod data base during device registration. -Future plan is to migrate hwmod data base contents into device tree -blob so that, all the required data will be used from device tree dts -file. - -Example: - -Step1: SoC common .dtsi file - - dcan1: d_can@481d0000 { - compatible = "bosch,d_can"; - reg = <0x481d0000 0x2000>; - interrupts = <55>; - interrupt-parent = <&intc>; - status = "disabled"; - }; - -(or) - - dcan1: d_can@481d0000 { - compatible = "bosch,d_can"; - ti,hwmods = "d_can1"; - reg = <0x481d0000 0x2000>; - interrupts = <55>; - interrupt-parent = <&intc>; - status = "disabled"; - }; - -Step 2: board specific .dts file - - &dcan1 { - status = "okay"; - };