From patchwork Mon Apr 27 19:25:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 11513189 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 18BEB1667 for ; Mon, 27 Apr 2020 19:30:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 042D5214D8 for ; Mon, 27 Apr 2020 19:30:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726531AbgD0Ta3 (ORCPT ); Mon, 27 Apr 2020 15:30:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726285AbgD0Ta3 (ORCPT ); Mon, 27 Apr 2020 15:30:29 -0400 X-Greylist: delayed 302 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Mon, 27 Apr 2020 12:30:29 PDT Received: from xavier.telenet-ops.be (xavier.telenet-ops.be [IPv6:2a02:1800:120:4::f00:14]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 441BBC0610D5 for ; Mon, 27 Apr 2020 12:30:29 -0700 (PDT) Received: from ramsan ([IPv6:2a02:1810:ac12:ed60:d03f:8af3:4e83:6587]) by xavier.telenet-ops.be with bizsmtp id XvRR2200B27aUyk01vRRhS; Mon, 27 Apr 2020 21:25:26 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan with esmtp (Exim 4.90_1) (envelope-from ) id 1jT9Nd-0007je-9K; Mon, 27 Apr 2020 21:25:25 +0200 Received: from geert by rox.of.borg with local (Exim 4.90_1) (envelope-from ) id 1jT9Nd-0007OE-8E; Mon, 27 Apr 2020 21:25:25 +0200 From: Geert Uytterhoeven To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Wolfram Sang Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH] dt-bindings: watchdog: renesas-wdt: Convert to json-schema Date: Mon, 27 Apr 2020 21:25:22 +0200 Message-Id: <20200427192522.28365-1-geert+renesas@glider.be> X-Mailer: git-send-email 2.17.1 Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Convert the Renesas Watchdog Timer (WDT) Controller Device Tree binding documentation to json-schema. Add missing "renesas,r8a77980-wdt" compatible value. Document missing properties. Update the example to match reality. Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund --- .../bindings/watchdog/renesas,wdt.txt | 50 --------- .../bindings/watchdog/renesas,wdt.yaml | 100 ++++++++++++++++++ 2 files changed, 100 insertions(+), 50 deletions(-) delete mode 100644 Documentation/devicetree/bindings/watchdog/renesas,wdt.txt create mode 100644 Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt deleted file mode 100644 index 79b3c62f183d26dc..0000000000000000 --- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt +++ /dev/null @@ -1,50 +0,0 @@ -Renesas Watchdog Timer (WDT) Controller - -Required properties: - - compatible : Must be "renesas,-wdt", followed by a generic - fallback compatible string when compatible with the generic - version. - Examples with soctypes are: - - "renesas,r8a7743-wdt" (RZ/G1M) - - "renesas,r8a7744-wdt" (RZ/G1N) - - "renesas,r8a7745-wdt" (RZ/G1E) - - "renesas,r8a77470-wdt" (RZ/G1C) - - "renesas,r8a774a1-wdt" (RZ/G2M) - - "renesas,r8a774b1-wdt" (RZ/G2N) - - "renesas,r8a774c0-wdt" (RZ/G2E) - - "renesas,r8a7790-wdt" (R-Car H2) - - "renesas,r8a7791-wdt" (R-Car M2-W) - - "renesas,r8a7792-wdt" (R-Car V2H) - - "renesas,r8a7793-wdt" (R-Car M2-N) - - "renesas,r8a7794-wdt" (R-Car E2) - - "renesas,r8a7795-wdt" (R-Car H3) - - "renesas,r8a7796-wdt" (R-Car M3-W) - - "renesas,r8a77961-wdt" (R-Car M3-W+) - - "renesas,r8a77965-wdt" (R-Car M3-N) - - "renesas,r8a77970-wdt" (R-Car V3M) - - "renesas,r8a77990-wdt" (R-Car E3) - - "renesas,r8a77995-wdt" (R-Car D3) - - "renesas,r7s72100-wdt" (RZ/A1) - - "renesas,r7s9210-wdt" (RZ/A2) - The generic compatible string must be: - - "renesas,rza-wdt" for RZ/A - - "renesas,rcar-gen2-wdt" for R-Car Gen2 and RZ/G1 - - "renesas,rcar-gen3-wdt" for R-Car Gen3 and RZ/G2 - -- reg : Should contain WDT registers location and length -- clocks : the clock feeding the watchdog timer. - -Optional properties: -- timeout-sec : Contains the watchdog timeout in seconds -- power-domains : the power domain the WDT belongs to -- interrupts: Some WDTs have an interrupt when used in interval timer mode - -Examples: - - wdt0: watchdog@e6020000 { - compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt"; - reg = <0 0xe6020000 0 0x0c>; - clocks = <&cpg CPG_MOD 402>; - power-domains = <&cpg>; - timeout-sec = <60>; - }; diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml new file mode 100644 index 0000000000000000..27e8c4accd67bfff --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/renesas,wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas Watchdog Timer (WDT) Controller + +maintainers: + - Wolfram Sang + - Geert Uytterhoeven + +allOf: + - $ref: "watchdog.yaml#" + +properties: + compatible: + oneOf: + - items: + - enum: + - renesas,r7s72100-wdt # RZ/A1 + - renesas,r7s9210-wdt # RZ/A2 + - const: renesas,rza-wdt # RZ/A + + - items: + - enum: + - renesas,r8a7743-wdt # RZ/G1M + - renesas,r8a7744-wdt # RZ/G1N + - renesas,r8a7745-wdt # RZ/G1E + - renesas,r8a77470-wdt # RZ/G1C + - renesas,r8a7790-wdt # R-Car H2 + - renesas,r8a7791-wdt # R-Car M2-W + - renesas,r8a7792-wdt # R-Car V2H + - renesas,r8a7793-wdt # R-Car M2-N + - renesas,r8a7794-wdt # R-Car E2 + - const: renesas,rcar-gen2-wdt # R-Car Gen2 and RZ/G1 + + - items: + - enum: + - renesas,r8a774a1-wdt # RZ/G2M + - renesas,r8a774b1-wdt # RZ/G2N + - renesas,r8a774c0-wdt # RZ/G2E + - renesas,r8a7795-wdt # R-Car H3 + - renesas,r8a7796-wdt # R-Car M3-W + - renesas,r8a77961-wdt # R-Car M3-W+ + - renesas,r8a77965-wdt # R-Car M3-N + - renesas,r8a77970-wdt # R-Car V3M + - renesas,r8a77980-wdt # R-Car V3H + - renesas,r8a77990-wdt # R-Car E3 + - renesas,r8a77995-wdt # R-Car D3 + - const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G2 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + timeout-sec: true + +required: + - compatible + - reg + - clocks + +if: + not: + properties: + compatible: + contains: + enum: + - renesas,rza-wdt +then: + required: + - power-domains + - resets + +additionalProperties: false + +examples: + - | + #include + #include + wdt0: watchdog@e6020000 { + compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt"; + reg = <0xe6020000 0x0c>; + clocks = <&cpg CPG_MOD 402>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + resets = <&cpg 402>; + timeout-sec = <60>; + };