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[209.132.180.67]) by mx.google.com with ESMTP id g22si7238706pfe.387.2018.02.13.19.51.09; Tue, 13 Feb 2018 19:51:24 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=HL+QhjGI; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966800AbeBNDuS (ORCPT + 99 others); Tue, 13 Feb 2018 22:50:18 -0500 Received: from mail-qk0-f193.google.com ([209.85.220.193]:41795 "EHLO mail-qk0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966671AbeBNDuR (ORCPT ); Tue, 13 Feb 2018 22:50:17 -0500 Received: by mail-qk0-f193.google.com with SMTP id h129so5160222qke.8 for ; Tue, 13 Feb 2018 19:50:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id; bh=2dlaaSWN0Lj0tTeLIZ+nrHfnEpCqDX7APe9sNvkCZ8E=; b=HL+QhjGIZHgNr3uB2KZSPDm3mmpjMUdbLNFdNcn6NhQFWZuhayrXCARvus04qjsnp0 J53YlryuTInpAs4d8BWNkzOvzWJyo4s6ZU2Dx9gWAdKfT8CGiHN+oQAxZHOzEsWMq98m c6z7/LmIRA1oNk93l7839rGTwmG7sAOWRmYsE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=2dlaaSWN0Lj0tTeLIZ+nrHfnEpCqDX7APe9sNvkCZ8E=; b=uSGQtRS87e/ZbTLaIaJ4wmujtB+82zq8vfJVv+WfyGOePRU8U+wIyk3fbq0fsqZ7ks YNOri8EKvQUsJ3ZUfAPzzDUNMf+yIdVbKB4EwCbtfmuvODUgGEyqJPUwAvm172UG76tn MJ6jPBoxHmAmaLd/JxB/cqG9Jj9+mQC2/ToRiRCG1UsKT9ylOV/lutgLuHX8nhe3NSeL GAAuh8hpd5t6zpf+OulqRry8SaTQJZwRSgwK9FBdTlqDohrDBnSG/PuHCvhOdtqjpVcR Psc971FtDuKHPjGT7FpiLwOrkmNm6Nlg2x2QbTIaxQGwT4mmX/jfgj7dHgCtBtsLQHsE keIA== X-Gm-Message-State: APf1xPAn4IB2bAwAx512z33M/kXwwVZECau+9AXrDr2BMA07j/5EEaVr GaSYlyByWLz3AkfOFuQYdyRynA== X-Received: by 10.55.221.209 with SMTP id u78mr5120742qku.232.1518580216571; Tue, 13 Feb 2018 19:50:16 -0800 (PST) Received: from localhost.localdomain ([45.77.212.61]) by smtp.gmail.com with ESMTPSA id h45sm8913800qtc.34.2018.02.13.19.50.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 13 Feb 2018 19:50:14 -0800 (PST) From: Leo Yan To: Rob Herring , Mark Rutland , Wei Xu , Jassi Brar , Leo Yan , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Kaihua Zhong , Guodong Xu , Haojian Zhuang Subject: [PATCH RESEND v5 0/3] Add support for Hi3660 mailbox driver Date: Wed, 14 Feb 2018 11:49:48 +0800 Message-Id: <1518580191-26451-1-git-send-email-leo.yan@linaro.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi3660 mailbox controller is used to send message within multiple processors, MCU, HIFI, etc. This patch series is to implement an initial version for Hi3660 mailbox driver with "automatic acknowledge" mode. The patch set have been verified with Hi3660 stub clock driver, so we can send message to MCU to execute CPU frequency scaling. This is tested on 96boards Hikey960. Changes from v4: * According to Jassi suggestion, refactored mailbox driver and removed "inline" for function declaration; Changes from v3: * According to Jassi suggestion, refined structure name to "struct hi3660_chan_info"; * According to Jassi suggestion, moved channel 'lock'+'acquire' operations into .startup(); Changes from v2: * According to Mark Rutland suggestions, removed sev()/wfe() from driver, the system has no two masters sharing the same channel for data transferring so we don't need these instructions; * Refined DT binding and doc according to Rob suggestions; * Refined driver according to Julien suggestions; Changes from v1: * Added cover letter to track the changelog; * Added document for DT binding; * Refactored and simplized mailbox driver with "automatic ack" mode; * Refined commit logs for patches; Kaihua Zhong (2): mailbox: Add support for Hi3660 mailbox dts: arm64: Add mailbox binding for hi3660 Leo Yan (1): dt-bindings: mailbox: Introduce Hi3660 controller binding .../bindings/mailbox/hisilicon,hi3660-mailbox.txt | 51 ++++ arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 8 + drivers/mailbox/Kconfig | 8 + drivers/mailbox/Makefile | 2 + drivers/mailbox/hi3660-mailbox.c | 316 +++++++++++++++++++++ 5 files changed, 385 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt create mode 100644 drivers/mailbox/hi3660-mailbox.c -- 1.9.1