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[2620:137:e000::1:20]) by mx.google.com with ESMTP id j12-20020a5d604c000000b0020609ef0490si7314825wrt.78.2022.05.15.19.02.48; Sun, 15 May 2022 19:03:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238834AbiEPAzQ (ORCPT + 99 others); Sun, 15 May 2022 20:55:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237043AbiEPAzO (ORCPT ); Sun, 15 May 2022 20:55:14 -0400 Received: from twspam01.aspeedtech.com (twspam01.aspeedtech.com [211.20.114.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD9542A259; Sun, 15 May 2022 17:55:09 -0700 (PDT) Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 24G0eWlr022581; Mon, 16 May 2022 08:40:32 +0800 (GMT-8) (envelope-from chiawei_wang@aspeedtech.com) Received: from Chiawei-PC03.aspeed.com (192.168.2.66) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 16 May 2022 08:54:04 +0800 From: Chia-Wei Wang To: , , , , , , , , , , , CC: Subject: [PATCH v5 0/4] arm: aspeed: Add eSPI support Date: Mon, 16 May 2022 08:54:08 +0800 Message-ID: <20220516005412.4844-1-chiawei_wang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [192.168.2.66] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 24G0eWlr022581 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series add the driver support for the eSPI controller of Aspeed 5/6th generation SoCs. This controller is a slave device communicating with a master over Enhanced Serial Peripheral Interface (eSPI). It supports all of the 4 eSPI channels, namely peripheral, virtual wire, out-of-band, and flash, and operates at max frequency of 66MHz. v5: - unconditionally set VW GPIO to software mode as suggested by Jeremy - add missing DTS node for Aspeed G5 SoCs v4: - fix dt-bindgins error with patternProperties - fix data type warning for ARM64 compilation - replace header based implementation with .c files - add more description for the ioctl interface v3: - remove the redundant patch "clk: aspeed: Add eSPI reset bit" - fix missing header inclusion reported by test bot - fix dt-bindings error reported by yamllint v2: - remove irqchip implementation - merge per-channel drivers into single one to avoid the racing issue among eSPI handshake process and driver probing. Chia-Wei Wang (4): dt-bindings: aspeed: Add eSPI controller MAINTAINER: Add ASPEED eSPI driver entry soc: aspeed: Add eSPI driver ARM: dts: aspeed: Add eSPI node .../devicetree/bindings/soc/aspeed/espi.yaml | 162 +++++ MAINTAINERS | 9 + arch/arm/boot/dts/aspeed-g5.dtsi | 17 + arch/arm/boot/dts/aspeed-g6.dtsi | 17 + drivers/soc/aspeed/Kconfig | 11 + drivers/soc/aspeed/Makefile | 5 + drivers/soc/aspeed/aspeed-espi-ctrl.c | 214 +++++++ drivers/soc/aspeed/aspeed-espi-ctrl.h | 309 ++++++++++ drivers/soc/aspeed/aspeed-espi-flash.c | 352 +++++++++++ drivers/soc/aspeed/aspeed-espi-flash.h | 45 ++ drivers/soc/aspeed/aspeed-espi-ioc.h | 195 ++++++ drivers/soc/aspeed/aspeed-espi-oob.c | 558 ++++++++++++++++++ drivers/soc/aspeed/aspeed-espi-oob.h | 70 +++ drivers/soc/aspeed/aspeed-espi-perif.c | 511 ++++++++++++++++ drivers/soc/aspeed/aspeed-espi-perif.h | 45 ++ drivers/soc/aspeed/aspeed-espi-vw.c | 142 +++++ drivers/soc/aspeed/aspeed-espi-vw.h | 21 + 17 files changed, 2683 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/aspeed/espi.yaml create mode 100644 drivers/soc/aspeed/aspeed-espi-ctrl.c create mode 100644 drivers/soc/aspeed/aspeed-espi-ctrl.h create mode 100644 drivers/soc/aspeed/aspeed-espi-flash.c create mode 100644 drivers/soc/aspeed/aspeed-espi-flash.h create mode 100644 drivers/soc/aspeed/aspeed-espi-ioc.h create mode 100644 drivers/soc/aspeed/aspeed-espi-oob.c create mode 100644 drivers/soc/aspeed/aspeed-espi-oob.h create mode 100644 drivers/soc/aspeed/aspeed-espi-perif.c create mode 100644 drivers/soc/aspeed/aspeed-espi-perif.h create mode 100644 drivers/soc/aspeed/aspeed-espi-vw.c create mode 100644 drivers/soc/aspeed/aspeed-espi-vw.h -- 2.25.1