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[209.132.180.67]) by mx.google.com with ESMTP id b124si628635pfa.194.2018.02.27.20.57.46; Tue, 27 Feb 2018 20:58:36 -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=G9ePoWKr; 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 S1751901AbeB1Ezg (ORCPT + 99 others); Tue, 27 Feb 2018 23:55:36 -0500 Received: from mail-qt0-f193.google.com ([209.85.216.193]:36528 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751658AbeB1Eze (ORCPT ); Tue, 27 Feb 2018 23:55:34 -0500 Received: by mail-qt0-f193.google.com with SMTP id c7so1484105qtn.3 for ; Tue, 27 Feb 2018 20:55:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=yiq3qenlvBxVoGJNvU4SRR8nlb17XKPqB6sTOY0fDFg=; b=G9ePoWKrlin4ugjtVMwLl/gjgQZeiEgFvoJX16zrT200OegcEJONRvPNmaCjKSD+Yk 3n+Eqvti3GlK5iWRasKNCtKntn+1EOtE9dVzJBImqLn5LWWoYRCglyDPZ9quHUz4WKk+ D4eaO4Yvi+RcETX1wpdrVE1GeSshjtZ1NxVU0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=yiq3qenlvBxVoGJNvU4SRR8nlb17XKPqB6sTOY0fDFg=; b=D6fxNagIyKfKnEqjhQqwMlxztSvoxd5o9R7fV7lhHC+wSfScYYjj7HF7thR7vexogE kbtyb89qdCo56fPoHOb2m+SKi8Y2TWxk/YXWBXhxbzQKK4skituduI6/Bcwa5NmG9AyQ 2OQu9+zxcFnFYW6qtokygJ76jWDeHjAH/zIFTFdPRZb1RpHPCgSL3GZ8khmU5cyLDtxF 5V5jKdF32E5XsZExiL8dkr+6v3Okog3lG9xCKW/QeZhp3+JPAUyHjf/daJLwEtx+CvNT d24E1L4RL8eqB81T/qx/z3LLWTtQ1ehFRGYXkW4YgOsGXf1H7owso77b2W1y7umasDlF d0Cw== X-Gm-Message-State: APf1xPDDU+aZRhWpzFceHuzAZKdHURIPauRqOBER11oTDKtek4n58ctn C06+WhEKJ0VryJR+ovACR9bC1A== X-Received: by 10.237.46.165 with SMTP id k34mr27585135qtd.62.1519793733722; Tue, 27 Feb 2018 20:55:33 -0800 (PST) Received: from localhost.localdomain ([45.77.212.61]) by smtp.gmail.com with ESMTPSA id 2sm596728qkv.2.2018.02.27.20.55.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 27 Feb 2018 20:55:32 -0800 (PST) From: Leo Yan To: Rob Herring , Mark Rutland , Wei Xu , Jassi Brar , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Kaihua Zhong , Guodong Xu , Haojian Zhuang Cc: Leo Yan Subject: [PATCH v6 0/3] Add support for Hi3660 mailbox driver Date: Wed, 28 Feb 2018 12:54:52 +0800 Message-Id: <1519793695-20198-1-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 v5: * Changed to use writel()/readl() to replace {writel|readl}_relaxed() to make safe for memory ordering; 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 | 312 +++++++++++++++++++++ 5 files changed, 381 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt create mode 100644 drivers/mailbox/hi3660-mailbox.c -- 1.9.1