From patchwork Tue Aug 17 02:58:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiaWei Wang X-Patchwork-Id: 12440331 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18861C4338F for ; Tue, 17 Aug 2021 03:27:09 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D930E60F4B for ; Tue, 17 Aug 2021 03:27:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D930E60F4B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aspeedtech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:Message-ID:Date:Subject:To :From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=06/YNmGx8tvq17xIt4DAu/eDDroNF1SmDYnZGsmKFgc=; b=FLtaAOqiEFMfOa uO8xL30ZYb+20F+f5lzvbnhlUYeJBkO20Jww4yAP63ghoVDT3FpjJHWmcb/6s4ozqOIn1NkXOiNbE hP3W9ZT3HP+WW5lAhu5Aa/jJavyfWgPXHfxFmbxhCWNjPUHmXAprudDL6AX7eztmcfdtItofCR1YT AoHPrJCjEq9GEyk1Y2z7j9HGCpAB3Tq8h0nlPkjgxi3YXjYvTidvaDB/GZ8+DcNyeL4c1AjC0zJl/ yvF2KliWI5OzIf+FAPDx4OAcXaFMoR2M/4PnviCrcb+hSuSp7ZVBwOLRK7wtxvYkYsIbc8MyfOzUp wRJAAXNGxjff6+Dd6zlQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mFpi9-000w6R-Se; Tue, 17 Aug 2021 03:24:23 +0000 Received: from twspam01.aspeedtech.com ([211.20.114.71]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mFpJa-000spn-Ll for linux-arm-kernel@lists.infradead.org; Tue, 17 Aug 2021 02:59:00 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 17H2eVL4035573; Tue, 17 Aug 2021 10:40:31 +0800 (GMT-8) (envelope-from chiawei_wang@aspeedtech.com) Received: from ChiaWeiWang-PC.aspeed.com (192.168.2.66) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 17 Aug 2021 10:58:38 +0800 From: Chia-Wei Wang To: , , , , , , , , Subject: [PATCH v2 0/2] aspeed: Add LPC mailbox support Date: Tue, 17 Aug 2021 10:58:46 +0800 Message-ID: <20210817025848.19914-1-chiawei_wang@aspeedtech.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 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 17H2eVL4035573 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210816_195859_026592_A0AEFE26 X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add driver support for the LPC mailbox controller of ASPEED SoCs. v2: - Fix error handling for copy_to_user - Fix incorrect type in the .poll initializer Chia-Wei Wang (2): soc: aspeed: Add LPC mailbox support ARM: dts: aspeed: Add mailbox to device tree arch/arm/boot/dts/aspeed-g4.dtsi | 7 + arch/arm/boot/dts/aspeed-g5.dtsi | 8 +- arch/arm/boot/dts/aspeed-g6.dtsi | 7 + drivers/soc/aspeed/Kconfig | 10 + drivers/soc/aspeed/Makefile | 9 +- drivers/soc/aspeed/aspeed-lpc-mbox.c | 418 +++++++++++++++++++++++++++ 6 files changed, 454 insertions(+), 5 deletions(-) create mode 100644 drivers/soc/aspeed/aspeed-lpc-mbox.c