From patchwork Thu Aug 1 14:04:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 11070797 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1E74A17E0 for ; Thu, 1 Aug 2019 14:05:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 11AB1286DA for ; Thu, 1 Aug 2019 14:05:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 05C89286C6; Thu, 1 Aug 2019 14:05:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2E66286F3 for ; Thu, 1 Aug 2019 14:05:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731760AbfHAOFR (ORCPT ); Thu, 1 Aug 2019 10:05:17 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:40364 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731484AbfHAOFR (ORCPT ); Thu, 1 Aug 2019 10:05:17 -0400 Received: from taln60.nuvoton.co.il (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id x71E4LrY012596; Thu, 1 Aug 2019 17:04:21 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 279DB62A2E; Thu, 1 Aug 2019 17:04:21 +0300 (IDT) From: Tomer Maimon To: broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, vigneshr@ti.com, bbrezillon@kernel.org, avifishman70@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, Tomer Maimon Subject: [PATCH v1 0/2] spi: add NPCM FIU controller driver Date: Thu, 1 Aug 2019 17:04:17 +0300 Message-Id: <20190801140419.58029-1-tmaimon77@gmail.com> X-Mailer: git-send-email 2.18.0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch set adds Flash Interface Unit(FIU) SPI master support for the Nuvoton NPCM Baseboard Management Controller (BMC). The FIU supports single, dual or quad communication interface. the FIU controller can operate in following modes: - User Mode Access(UMA): provides flash access by using an indirect address/data mechanism. - direct rd/wr mode: maps the flash memory into the core address space. - SPI-X mode: used for an expansion bus to an ASIC or CPLD. The NPCM750/730/715/710 supports up to three FIU devices: - FIU0 supports two chip select. - FIU3 supports four chip select. - FIUX supports two chip select. The NPCM FIU driver tested on NPCM750 evaluation board. The FIU controller driver using direct map API SPI-MEM interface and tested with the latest m25p80 driver patch https://www.spinics.net/lists/linux-mtd/msg07358.html According a conversion about direct SPI-MEM API https://www.spinics.net/lists/linux-mtd/msg08225.html The m25p80 driver will merge to the spi-nor driver we need to make sure the m25p80 direct SPI-MEM will merge as well. Tomer Maimon (2): dt-binding: spi: add NPCM FIU controller spi: npcm-fiu: add NPCM FIU controller driver .../bindings/spi/nuvoton,npcm-fiu.txt | 47 ++ drivers/spi/Kconfig | 10 + drivers/spi/Makefile | 1 + drivers/spi/spi-npcm-fiu.c | 760 ++++++++++++++++++ 4 files changed, 818 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/nuvoton,npcm-fiu.txt create mode 100644 drivers/spi/spi-npcm-fiu.c