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 0BBABC6FA8E for ; Sun, 26 Feb 2023 18:02:03 +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=iXyo8HwjZU2UWz5E00gT+QY+RXLUi+pBDdYqxZWOFPM=; b=BjE6XRRsI1spNQ Duhu7/aZMTUMd5DNA8tc9W6HGVL0L4NUK1m1doFQu+lehkHv95hiBo2KCIhklE7ZpMZvC6/xn+xVx gE8T+35gMm6l3h+KgkLKYNdkb5u7xjYbZKPvaL7yQd3NJLS0eKY2V+UXDvhU5I27oWr08EW2zrTeG wmhfXuHUphayEq8ZSmBg46NiaYc+o6Rdv4373x9Wz8ARUyuoPbVaOUA3jH1MWQKDJbexz1lM1k/46 uyN1Q5b+Yjoe6ewX6CG5t+kERNyMw2EXK4LCk/VZ9A7BFL/uv1qCltBUx7RfFcb/SH6BcO3v/vw30 9zixc8lmtlP942LVo2Pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pWLLL-007exx-U4; Sun, 26 Feb 2023 18:01:51 +0000 Received: from mail-io1-f50.google.com ([209.85.166.50]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pWLLI-007exU-W2 for linux-riscv@lists.infradead.org; Sun, 26 Feb 2023 18:01:50 +0000 Received: by mail-io1-f50.google.com with SMTP id v10so1699919iox.8 for ; Sun, 26 Feb 2023 10:01:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=gSUnq8xRtOagq4E41s+KbYjKwfOmBG7Es9wmftqohqU=; b=yFNnvud8iglifK5rUb1rWQnmF4/aCw+iiBW6ZpXw5tnrTJyW1B5HrL8nmPNW9+6j2y lDTJEP6Pcw+Jf5byl/NjMytSLzdr+n+HIUtnuqBqhWRsH8tjOkQzwMuEcofBw0r9EH8t Izdt0ra2YObgNCPefKfIJgnnu5crjCeiNuObGgQPc/audedGy+5U6IDRaqmbEJqspkI4 A0maiV55OERZSqcvlPam2tIuiaUKO+m2SFkA0/QIbV/9uc7c7+PxL8pqQM4EOcPnHcFb PY4LrcqA3peH4VG7KshTgak0aH+2rqnwb/yoBk9kIbaSmEUcqwheicreJ+nb9jKw5EFF bxzA== X-Gm-Message-State: AO0yUKVTYHItGh47bY5E97PCufQCq/AyqjOmkXxRdn10ijsRYcJJMTTP kLcmdPJg0tf7cbjNp90OlQ== X-Google-Smtp-Source: AK7set+3Ok4qG7EMNR+nPCTdYBuutxqpvNu4gD21+j2oWwh0QKKh9T2K+w1r/DIfDQboVOtz+yGwMQ== X-Received: by 2002:a5d:904f:0:b0:74c:d67a:6fa0 with SMTP id v15-20020a5d904f000000b0074cd67a6fa0mr2414345ioq.7.1677434507245; Sun, 26 Feb 2023 10:01:47 -0800 (PST) Received: from robh_at_kernel.org ([2605:ef80:8069:8ddf:ff6b:c94c:94fd:4442]) by smtp.gmail.com with ESMTPSA id h2-20020a5ecb42000000b00734ac8a5ef7sm1598081iok.25.2023.02.26.10.01.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Feb 2023 10:01:46 -0800 (PST) Received: (nullmailer pid 101541 invoked by uid 1000); Sun, 26 Feb 2023 18:01:43 -0000 Date: Sun, 26 Feb 2023 12:01:43 -0600 From: Rob Herring To: Conor Dooley Cc: Xu Yilun , Conor Dooley , Daire McNamara , Krzysztof Kozlowski , Moritz Fischer , Wu Hao , Tom Rix , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org Subject: Re: [PATCH v1 2/6] dt-bindings: soc: microchip: add a property for system controller flash Message-ID: <20230226180143.GA96766-robh@kernel.org> References: <20230217164023.14255-1-conor@kernel.org> <20230217164023.14255-3-conor@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230217164023.14255-3-conor@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230226_100149_129680_7DDDE8A8 X-CRM114-Status: GOOD ( 20.18 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, Feb 17, 2023 at 04:40:19PM +0000, Conor Dooley wrote: > From: Conor Dooley > > The system controller "shares" a SPI flash device with a QSPI controller > in the MSS. This flash is used to store FPGA bitstreams & other > metadata. IAP and Auto Upgrade both write images to this flash that the > System Controller will use to re-program the FPGA. > > Add a phandle property signifying which flash device is connected to the > system controller. > > Signed-off-by: Conor Dooley > --- > .../soc/microchip/microchip,mpfs-sys-controller.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml > index 04ffee3a7c59..97a7cb74cbf9 100644 > --- a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml > +++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml > @@ -26,6 +26,16 @@ properties: > compatible: > const: microchip,mpfs-sys-controller > > + microchip,bitstream-flash: > + $ref: "/schemas/types.yaml#/definitions/phandle" Drop quotes. With that, Reviewed-by: Rob Herring > + description: > + The SPI flash connected to the system controller's QSPI controller. > + The system controller may retrieve FPGA bitstreams from this flash to > + perform In-Application Programming (IAP) or during device initialisation > + for Auto Update. The MSS and system controller have separate QSPI > + controllers and this flash is connected to both. Software running in the > + MSS can write bitstreams to the flash. > + > required: > - compatible > - mboxes > -- > 2.39.1 > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv