From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6B4EC433FE for ; Wed, 6 Oct 2021 21:14:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D721611AE for ; Wed, 6 Oct 2021 21:14:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239645AbhJFVQq (ORCPT ); Wed, 6 Oct 2021 17:16:46 -0400 Received: from mail-ot1-f41.google.com ([209.85.210.41]:36810 "EHLO mail-ot1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239646AbhJFVQp (ORCPT ); Wed, 6 Oct 2021 17:16:45 -0400 Received: by mail-ot1-f41.google.com with SMTP id 5-20020a9d0685000000b0054706d7b8e5so4867091otx.3; Wed, 06 Oct 2021 14:14:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=lak8Kr6S28oWWnCbDixiphSYTCbXgMBHH9/qqV4Giyc=; b=1Mlm9+OC7ZdJp/6YYm78hcul4b2nMToWIb94JdwE1gCoGR1M8e+Aj+CZK/y9Fbft1j PYe9c/i02O0YOG9YLdp5yxNNGgj9LNwgH/3NlrVsJ/evU/vKkv6gvj7tUBz6zAHdZ7Vz OvPLsPhcls2xBGpqpT8hs/1mqE9Tm3ukN4OoIdIcgeGtYAGyuk8Eugzc3kjm3lPzdhu+ JaPfjXtjM3dNK/XYZu6yk1KuiMSBzgTd8zsoU/kXF5GNV/0VPjL3SMBlcZ7O52WKg6pI 8JPD/OWTPRVMr2wyXnQrTGbsVHicVvLDL5aNox1WqcjKT/uG1o07dzxdEhiv+t9WxsUV 4MlA== X-Gm-Message-State: AOAM53066FWbw6hNWH1xZ/4h62+XCtt/Jf2LLwl/iEyighvGCy06+Kcc z4Qgt3r+Sxl3l5TPInwPYdYx4bFl+Q== X-Google-Smtp-Source: ABdhPJwjkpOHrD8M6tpuzasy4z7/puEHow6aB3HnOWHU8azVI5+r8jJyF/JJjo6sBcNSVtVIjY967g== X-Received: by 2002:a9d:71d4:: with SMTP id z20mr432620otj.29.1633554892688; Wed, 06 Oct 2021 14:14:52 -0700 (PDT) Received: from robh.at.kernel.org (66-90-148-213.dyn.grandenetworks.net. [66.90.148.213]) by smtp.gmail.com with ESMTPSA id s22sm1100539ois.32.2021.10.06.14.14.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 14:14:51 -0700 (PDT) Received: (nullmailer pid 2887704 invoked by uid 1000); Wed, 06 Oct 2021 21:14:50 -0000 Date: Wed, 6 Oct 2021 16:14:50 -0500 From: Rob Herring To: Lad Prabhakar Cc: Linus Walleij , Geert Uytterhoeven , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das Subject: Re: [RFC PATCH 1/4] dt-bindings: pincfg-node: Add "output-impedance" property Message-ID: References: <20210930121630.17449-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20210930121630.17449-2-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210930121630.17449-2-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu, Sep 30, 2021 at 01:16:27PM +0100, Lad Prabhakar wrote: > On RZ/G2L SoC for Group-B pins, output impedance can be configured. > This patch documents "output-impedance" property in pincfg-node.yaml so > that other platforms requiring such feature can make use of this property. > > Signed-off-by: Lad Prabhakar > --- > Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml > index 71ed0a9def84..cdcb23daeca2 100644 > --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml > +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml > @@ -114,6 +114,10 @@ properties: > description: enable output on a pin without actively driving it > (such as enabling an output buffer) > > + output-impedance: > + $ref: /schemas/types.yaml#/definitions/uint32 Use standard unit suffix and drop the type. > + description: set the pins output impedance at most X ohm > + > output-low: > type: boolean > description: set the pin to output mode with low level > -- > 2.17.1 > >