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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C7268C433F5 for ; Thu, 21 Apr 2022 22:00:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Yi9vUDRi7CacxDGUh98iS6EqhUyOIuQa4Ph0mWD52bI=; b=i3X3MEtD7+L/S3 1dx/RHTws6IOTuoxUn93eeCioIftCVlGsPApkL/FQtWzAAK6PNzFb9ldy9QJbVBfO+VVxLEsphl3I c+5ki0DLIo7bKSbM+k5NzB1fNVrk4MICusy1YK5pRZeZxB4+DaQuMmPt8ecbMBHGxlUq94l4cZPEC 6gutBO+SnZWfWob4LrsUQ6PYCWMW3d9Avo6eEm325mREo/ojc8iCa0Or6xuEuf0SRhqDiCveeZOzn Or77i0wQsVLlysWRALtmXQGIsPmyt7pM7fduunZlughEqrqkaBgxV7fjI7Ne9U1mY2C0g3s31g6KA WRQlj8RJ52slTaB6B8EA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhepp-00F8I8-JD; Thu, 21 Apr 2022 21:59:33 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhepm-00F8HY-7G for linux-arm-kernel@lists.infradead.org; Thu, 21 Apr 2022 21:59:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=c0TEmygZCtd+n0FX1o8Qr5nSlGas+Hdc6UmjMRNu/Gc=; b=5DNfXsm5ExHsM60ji21p30uJuI fvi96AqvXveUD5bsgMTDTU5YJ5eSTcbyXUtHXrZ33qmOUATizHZWghIjfI8uoNzn3a3Jc8RPcl7Ou iijYrRvqqt4f3vMipgJkc7Dzm5OCpdAU1amAxsrPdQSNORdN9vP/xYKWQ9Qy5rVfJLIc=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1nhepk-00Grma-Oc; Thu, 21 Apr 2022 23:59:28 +0200 Date: Thu, 21 Apr 2022 23:59:28 +0200 From: Andrew Lunn To: Sean Anderson Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Shawn Guo , Rob Herring , Michael Walle , Krzysztof Kozlowski , Li Yang , linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: Re: [PATCH 3/8] dt-bindings: nvmem: sfp: Add TA_PROG_SFP supply Message-ID: References: <20220421175657.1259024-1-sean.anderson@seco.com> <20220421175657.1259024-4-sean.anderson@seco.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220421175657.1259024-4-sean.anderson@seco.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220421_145930_299229_FAD10D06 X-CRM114-Status: GOOD ( 17.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Apr 21, 2022 at 01:56:52PM -0400, Sean Anderson wrote: > The TA_PROG_SFP supply must be enabled to program the fuses, and > disabled to read the fuses (such as at power-on-reset). On many boards, > this supply is controlled by a jumper. The user must manually insert or > remove it at the appropriate time in the programming process. However, > on other boards this supply is controlled by and FPGA or a GPIO. In > these cases, the driver can automatically enabled and disable it as > necessary. > > Signed-off-by: Sean Anderson > --- > > .../devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml > index 54086f50157d..e7d1232fcd41 100644 > --- a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml > +++ b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml > @@ -32,6 +32,11 @@ properties: > clock-names: > const: sfp > > + ta-prog-sfp-supply: > + description: > + The TA_PROG_SFP supply. It will be enabled for programming and disabled > + for reading. > + Doesn't there need to be some indication what this is? Is it a GPIO, or maybe a regulator? Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel