From patchwork Fri Jun 14 15:42:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 1947976 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=2604:1380:45d1:ec00::1; helo=ny.mirrors.kernel.org; envelope-from=linux-pwm+bounces-2467-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [IPv6:2604:1380:45d1:ec00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W13Wl35tBz20Pb for ; Sat, 15 Jun 2024 01:45:23 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 979001C2129C for ; Fri, 14 Jun 2024 15:45:21 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1785B16F0EB; Fri, 14 Jun 2024 15:43:01 +0000 (UTC) X-Original-To: linux-pwm@vger.kernel.org Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 06BED16C842; Fri, 14 Jun 2024 15:42:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718379781; cv=none; b=j0EbSY42MoYEz5t6/c6jq2f9qT6BT7TbpO2nyjUaSd2I9DvJchw1mYP5uw2Q1qM+8C555jzdk4hdsaQpsWSPeMBxO79jtDRTB9pjjQ6v6HIR9FyH/InQmBnoCDASYD0BKgNvu6jOiQMu7CV3Z5YBm2SLuzQH+1/GI2UWohXOjLM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718379781; c=relaxed/simple; bh=5fJoq1CojbANDMRkNk5LAr4uooT5wOhpwRa0RGIUcEc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=XiasWxmDQOMLTg0KgEVbmI9CtGVjdP4gFLPyRrTzMR85RQj+wYXQV/f7oj5t6SG0S8x3wOEdKHUG8QkSXtHRJKC+R5IvFyFLuJldS78XR1JWUxLVIGKGBpZS5rFaPDC582VrqlLhecacOmhxS8Gq4kyIa9eeqDzPwE+3/15s+IU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.08,238,1712588400"; d="scan'208";a="207959925" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 15 Jun 2024 00:42:58 +0900 Received: from localhost.localdomain (unknown [10.226.92.95]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 943A1400B490; Sat, 15 Jun 2024 00:42:54 +0900 (JST) From: Biju Das To: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Biju Das , Geert Uytterhoeven , Magnus Damm , Fabrizio Castro , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH v20 2/4] dt-bindings: pwm: rzg2l-gpt: Document renesas,poegs property Date: Fri, 14 Jun 2024 16:42:40 +0100 Message-Id: <20240614154242.419043-3-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240614154242.419043-1-biju.das.jz@bp.renesas.com> References: <20240614154242.419043-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-pwm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 --- v19->v20: * No change. v18->v19: * No change. v17->v18: * No change. v16->v17: * No change. v15->v16: * No change. v14->v15: * No change. 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 d9374144d82d..957cf28b2c4c 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>; };