From patchwork Fri Mar 31 07:18:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 13195348 X-Patchwork-Delegate: mail@conchuod.ie 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 3BDF6C77B62 for ; Fri, 31 Mar 2023 07:19:07 +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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=O/uxjlwIUtg17mQBYrHBj+6SoPqt2tajS767/jyLhMQ=; b=Gw7MX/WAVAEoQI qMb9nr9PFY2D2uLRpDzdMhGovPSKFASE8/wBqNqyrB0rvECixG8DYUFPVq5CNTgnmpnKsPQ9yYCWY ZS7tepWn6Gx0M9T3et74jPz63Kpi1NviQVNZzIMxlSIQhYIWl86cKivaf/thb1cLt4K1E/3rJ3yMD bS/+gKa2tCugjo2YXHyOJOVyCC3dhflQqbD1VKi1dEqSSokFR0+TmOtrlw2xkGGzj7eoaXUSfQ/bs tIDoPqHAR4V8dchkrDbjY5lqG81yKOCWBkUOKBUUXjieFPnRfh3cZPB9pEsMHW05gezIeJVtYt6k4 r1BUJpj+kMwD/E/Xb7vA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pi92K-00682l-2d; Fri, 31 Mar 2023 07:19:00 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pi92I-0067z3-1s for linux-riscv@lists.infradead.org; Fri, 31 Mar 2023 07:18:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1680247138; x=1711783138; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hmGr/C098Sb3AUXweabbmZpCcG7wYNzd0OEreJaxcco=; b=NCsti61scp6XrceIFYpxP1qKVOaOJdJhRGjgxc5hwngqvezNUbHIMWP6 dq/wZI2lnXJ6yXWtiJ/t2hnJ5WWTSOeFmc0fTu3NKwZG7MUgo0jVN4uAN r/E24wl9kcYFy2Y/FhdFDfl8D4Xpcw/7SstWDCGOdFoWGlqSmFHMi2CtU j+Pc8KHBBjLz3GYHGRCdPWCgDlT9E/dyQzz3jDfdQSy36CSDOvJNt11yX 90qyrJaWwRfQvlmvTeUc9Us4T9q8kXck0hckl/Xe3W4jD8vZKJpXILfEj OaugqGmpS1iUnvz/ySRPL1Hv16qCvaNqV2XsGgzzmEYQ64p5Dqki00t2v A==; X-IronPort-AV: E=Sophos;i="5.98,307,1673938800"; d="scan'208";a="204349754" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 31 Mar 2023 00:18:55 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 31 Mar 2023 00:18:49 -0700 Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Fri, 31 Mar 2023 00:18:46 -0700 From: Conor Dooley To: CC: , , Daire McNamara , Rob Herring , "Krzysztof Kozlowski" , Moritz Fischer , Wu Hao , Xu Yilun , Tom Rix , , , , Rob Herring Subject: [PATCH v2 2/7] dt-bindings: soc: microchip: add a property for system controller flash Date: Fri, 31 Mar 2023 08:18:18 +0100 Message-ID: <20230331071823.956087-3-conor.dooley@microchip.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230331071823.956087-1-conor.dooley@microchip.com> References: <20230331071823.956087-1-conor.dooley@microchip.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1674; i=conor.dooley@microchip.com; h=from:subject; bh=hmGr/C098Sb3AUXweabbmZpCcG7wYNzd0OEreJaxcco=; b=owGbwMvMwCFWscWwfUFT0iXG02pJDClqnZat0x4YKoUkRnlFv5DtTu/kFma+UZoafsbv3LKSiOsW Vxs7SlkYxDgYZMUUWRJv97VIrf/jssO55y3MHFYmkCEMXJwCMJFZNowME/X7pt97O3VWxgGfDLfjoS U/xQycSqe9cM5bx1zQ7XVAi5Fhuaoqx9e2ZQwB7fabNzU7rVt+c0PpQQW+tK9f9xtJ3p7CDQA= X-Developer-Key: i=conor.dooley@microchip.com; a=openpgp; fpr=F9ECA03CF54F12CD01F1655722E2C55B37CF380C X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230331_001858_684893_802D8E90 X-CRM114-Status: UNSURE ( 8.94 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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. Reviewed-by: Rob Herring 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..aee96c639af7 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 + 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