From patchwork Wed Feb 26 14:45:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13992605 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A580C221F39; Wed, 26 Feb 2025 14:45:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740581149; cv=none; b=b2fX2263noL+fgFforXXfO2N91DluUuH27jEP+k4y/Ets6WR+Sez8Ed4Hh3L3tJCax0FIhnjVrVJJgUwCc++xdXzGC41qpiLAgWZeONmCu5MPN8PvTa2jbTJBmv7qxflwFImWw6ICBwJ9aWN9AjGtnUErSHj1uhOVipwN+78+w8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740581149; c=relaxed/simple; bh=LxBMdFdrIIQDDKhcw6UNfBuBHs0egtelsJ0bnzd0wiY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rJ1Ay4xJ2e3Odw+Qv6FFtHMIZIBnErWonn5q18eDEdu8R4W+lLeVESeq3bzUCV2ZVSnGMXXcWk3hM/RZcLH0XcP6yHUApSaotGymHDREak4DHObjJgyWC5bQ6tfZxqjtmfk4iWLEZVdsH5JGW//b8QUv6R8LIPAo6uzn4T51AI0= 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=210.160.252.172 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-CSE-ConnectionGUID: z3U4+FsZRlec3dksTmIIvQ== X-CSE-MsgGUID: Lfp83g9jT46zlTMqXdJnxA== Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 26 Feb 2025 23:45:47 +0900 Received: from localhost.localdomain (unknown [10.226.92.96]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id B7C934043714; Wed, 26 Feb 2025 23:45:43 +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 , linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH v24 2/4] dt-bindings: pwm: rzg2l-gpt: Document renesas,poegs property Date: Wed, 26 Feb 2025 14:45:21 +0000 Message-ID: <20250226144531.176819-3-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250226144531.176819-1-biju.das.jz@bp.renesas.com> References: <20250226144531.176819-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@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. Reviewed-by: Rob Herring Signed-off-by: Biju Das --- v23->v24: * No change. v22->v23: * No change. v21->v22: * No change. v20->v21: * No change. 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 13b807765a30..98bcde755fb9 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 = <3>; + renesas,poegs = <&poeggd 4>; };