From patchwork Tue Feb 28 15:07:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 1749497 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4PR12w4hL6z240f for ; Wed, 1 Mar 2023 02:08:24 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229867AbjB1PIW (ORCPT ); Tue, 28 Feb 2023 10:08:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229883AbjB1PIW (ORCPT ); Tue, 28 Feb 2023 10:08:22 -0500 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 29E63A24E; Tue, 28 Feb 2023 07:08:12 -0800 (PST) X-IronPort-AV: E=Sophos;i="5.98,222,1673881200"; d="scan'208";a="154369037" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 01 Mar 2023 00:08:11 +0900 Received: from localhost.localdomain (unknown [10.226.93.131]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id DD6E1400F51E; Wed, 1 Mar 2023 00:08:07 +0900 (JST) From: Biju Das To: Thierry Reding , Rob Herring , Krzysztof Kozlowski Cc: Biju Das , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, Geert Uytterhoeven , Chris Paterson , Prabhakar Mahadev Lad , linux-renesas-soc@vger.kernel.org, Rob Herring Subject: [PATCH v14 2/4] dt-bindings: pwm: rzg2l-gpt: Document renesas,poegs property Date: Tue, 28 Feb 2023 15:07:54 +0000 Message-Id: <20230228150756.482432-3-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230228150756.482432-1-biju.das.jz@bp.renesas.com> References: <20230228150756.482432-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org RZ/G2L GPT IP supports output pin disable function by dead time error and detecting short-circuits between output pins. Add documentation for the optional property renesas,poegs to link a pair of GPT IOs with POEG. Signed-off-by: Biju Das Reviewed-by: Rob Herring --- v3->v14: * Add Rb tag from Rob. * Moved the patch from series[1] to here. [1] https://lore.kernel.org/linux-renesas-soc/20221215205843.4074504-1-biju.das.jz@bp.renesas.com/T/#t v2->v3: * Moved minItems/MaxItems one level up. v1->v2: * removed quotes from ref * Added maxItems and minItems for renesas,poegs property * Added enums for gpt index --- .../bindings/pwm/renesas,rzg2l-gpt.yaml | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml b/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml index 620d5ae4ae30..60170e0de3c6 100644 --- a/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml +++ b/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml @@ -245,6 +245,28 @@ properties: resets: maxItems: 1 + renesas,poegs: + minItems: 1 + maxItems: 8 + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: phandle to POEG instance that serves the output disable + - enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ] + description: | + An index identifying pair of GPT channels. + <0> : GPT channels 0 and 1 + <1> : GPT channels 2 and 3 + <2> : GPT channels 4 and 5 + <3> : GPT channels 6 and 7 + <4> : GPT channels 8 and 9 + <5> : GPT channels 10 and 11 + <6> : GPT channels 12 and 13 + <7> : GPT channels 14 and 15 + description: + A list of phandle and channel index pair tuples to the POEGs that handle the + output disable for the GPT channels. + required: - compatible - reg @@ -375,4 +397,5 @@ examples: power-domains = <&cpg>; resets = <&cpg R9A07G044_GPT_RST_C>; #pwm-cells = <2>; + renesas,poegs = <&poeggd 4>; };