From patchwork Mon Jul 26 13:15:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 1510014 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=libero.it header.i=@libero.it header.a=rsa-sha256 header.s=s2021 header.b=TnwuGt4s; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GYL5S4dfyz9ssD for ; Mon, 26 Jul 2021 23:15:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233438AbhGZMfK (ORCPT ); Mon, 26 Jul 2021 08:35:10 -0400 Received: from smtp-34.italiaonline.it ([213.209.10.34]:54783 "EHLO libero.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233348AbhGZMfJ (ORCPT ); Mon, 26 Jul 2021 08:35:09 -0400 Received: from passgat-Modern-14-A10M.homenet.telecomitalia.it ([79.45.45.231]) by smtp-34.iol.local with ESMTPA id 80S8mb4Z4LCum80SHmrOfa; Mon, 26 Jul 2021 15:15:37 +0200 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=libero.it; s=s2021; t=1627305337; bh=TwXY0wWEIjCoEyIDcLLonShwStlhhTEg8+KADKL1xoc=; h=From; b=TnwuGt4s1+i+ma/PQVKUWcJZ9JZfxKIiiHrq10MCB+koP6pRiaZVrhQ4OtBDH01fz vR9M5uCbBbDFPOBI6eTnqh8g8xEBWQFpcPGVjezCTi51EykcK+djXkfP4GXdZdUFhM fKCJQcUnQs0T//f5NkQCPyt9G1Kju8hH5jWPNYrfNSAQ8InzZH9OH0RBagVaNlVa08 qB+952H5zNugUCopo+edd7XsLtBjiKlREzkYzCNpgvW9fqEp1TC2ZBceuRCMJTnzHT R42pW1erdBRZRctmCbNPZHQ7mnyhn8c1iTA6Nd+iq3CwVfrwv2uAvlm6gCsBznt7dx 2o1GF3XEn36bw== X-CNFS-Analysis: v=2.4 cv=a8D1SWeF c=1 sm=1 tr=0 ts=60feb579 cx=a_exe a=TX8r+oJM0yLPAmPh5WrBoQ==:117 a=TX8r+oJM0yLPAmPh5WrBoQ==:17 a=gEfo2CItAAAA:8 a=faqJUPsDrVUeZvGr8DYA:9 a=EZF1DJdq9kaO9wn_:21 a=AsuNPSxbIB0PVpCX: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 v2 2/2] dt-bindings: net: can: c_can: convert to json-schema Date: Mon, 26 Jul 2021 15:15:26 +0200 Message-Id: <20210726131526.17542-2-dariobin@libero.it> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210726131526.17542-1-dariobin@libero.it> References: <20210726131526.17542-1-dariobin@libero.it> X-CMAE-Envelope: MS4xfCjld3f9P9Dc32M8sJ+iOTqcyhmDUr06dk2NrsDeDtqqBwIcy1gSNXoxMC3322PLdOG4OzQJqJAVcNW3bZC2Ea56tFCpyjiAaDq9DL9+ut8YbFOEuUAk 8kMpd6cKBJVrRoTNX+PNsuJPm30z5Zg9OKnqci0tqHm+IeiD6eDxIVVimHfIAccDz88xHOtoGBwC+36Ks9+1sLbPJF86AF1VjR71//h1NlJ3fry70tXb+673 /sw2xtsudsDgzjbyj/dUXQT4QSLLfIXxxwAl8IPU8Y8oHEi9Az0m/PH9MGd4f8ZOr2udg3LoZRCftboa5G0V3yEfdm4cDW9h3+HrxTRwDvnEaviRoWfdn5jI uiZUfpU+st5c1JZtfvqhvuYsZZasTRtXwK1jzlCH+30tdwu9JdCaV3nwNFzjNFtmL97G2BRYWFYYWe8u0NclL0uKbGLnQN0KJk2dUWnhDBsm0u0pzVKW8kPD f7rc5EPcDDBhQXRndZN0lYWboTAJted7W8DH0Bypj1RPS7SQnW4OazDe3hs= Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.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 v2: - Drop Documentation references .../bindings/net/can/bosch,c_can.yaml | 83 +++++++++++++++++++ .../devicetree/bindings/net/can/c_can.txt | 65 --------------- 2 files changed, 83 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..f937c37e9199 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml @@ -0,0 +1,83 @@ +# 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). + +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"; - };