From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from TWMBX01.aspeed.com (mail.aspeedtech.com [211.20.114.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57F2E26AC3; Mon, 23 Jun 2025 02:50:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.20.114.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750647008; cv=none; b=dOBbp3GTjlCnsSIGKMutNly93Z0xPjeVnlemNL/EyB/TkMCGrgEMGj2HvEc/kTA+BfN31poZU4LgVaMkhA3gIOaGu1cY9U9bLKiU7mfovPTnyMyTYPTDKjGWXtSB1kqIqRpa9wEYKUup5gkJ50ChzRT6bZpvLDAzKKzE+q0qAbk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750647008; c=relaxed/simple; bh=XPV1rdJd9lcxvZ432ZYlUA+7VFbk50oZq/aOndVWVAs=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=KytWIMWMUv/FVD6ZJu6Lw0LnuSAb6BusRn7Fv6TFUWQx5pctcnSqo8xnBCORn+T/5UjhDBIdQ1h409TM/uUpYWTRdqFwhjVIg/0g81/NGSXf74K+zEC7XrxRtJRMIW3O0nGIPraxOATJ1UJPWaSFAKCHRond8hkXysllhcyDdV4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com; spf=pass smtp.mailfrom=aspeedtech.com; arc=none smtp.client-ip=211.20.114.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aspeedtech.com Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 23 Jun 2025 10:44:56 +0800 Received: from mail.aspeedtech.com (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Mon, 23 Jun 2025 10:44:56 +0800 From: Jammy Huang To: , , , , , , , , , Subject: [PATCH v4 0/2] [PATCH v4 0/2] ASPEED: Add mailbox driver for AST2700 series Date: Mon, 23 Jun 2025 10:44:54 +0800 Message-ID: <20250623024456.2068370-1-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Add mailbox controller driver for AST27XX SoCs, which provides independent tx/rx mailbox between different processors. There are 4 channels for each tx/rx mailbox and each channel has an 32-byte FIFO. v4 changes: - Update driver, no functional changes. 1. Remove unused variable, rx_buff, in struct ast2700_mbox. 2. Remove unneeded cast on device_get_match_data. 3. Remove the usage of writel/readl_relaxed. 4. Improve readability. v3 changes: - Correct document 1. Use 32-bit addressing in dts example property, reg. v2 changes: - Update document 1. Correct error in dts example. 2. Drop description for mbox-cell per suggestion previously. Jammy Huang (2): dt-bindings: mailbox: Add ASPEED AST2700 series SoC mailbox: aspeed: add mailbox driver for AST27XX series SoC .../mailbox/aspeed,ast2700-mailbox.yaml | 57 +++++ drivers/mailbox/Kconfig | 8 + drivers/mailbox/Makefile | 2 + drivers/mailbox/ast2700-mailbox.c | 230 ++++++++++++++++++ 4 files changed, 297 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/aspeed,ast2700-mailbox.yaml create mode 100644 drivers/mailbox/ast2700-mailbox.c base-commit: ec7714e4947909190ffb3041a03311a975350fe0 -- 2.25.1