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 943F028A3FC; Tue, 10 Jun 2025 09:10:29 +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=1749546632; cv=none; b=R3vrEHV5GfbtjAOpoCibhofSvocy7zlqH06yI1eSw7o4+Vwl75jCUqf8LX1OPgNTEUD3SpTAJoMIDWmvhkmuslKOWrek0pPB8CADFn9tlkqBlXjDJ/L8SoQig+LKWuG57TVN/kLFYS0FqyTKe2b+QzfGDJXZzqgX9m4AI6PtU7Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749546632; c=relaxed/simple; bh=kxbJ3ddbxLkUvfqzoamNlQbmteY1IQM/Sdpv2s9oUPM=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=fGEbfVfihg6x+s//WqyRUFW5s8NQdJcngSFiPgAkGlBb1JH4FXtKeY91wNhKOhX+Bt8VJLNXXatolb5QublijANHJzoNTvUaB02abwLTGuUmnSUxVbvWIoPzxBGXRUKjpp0Pq7tFrNS+WvlQFIy95r1+ILc6/gRlRMK3C9FYQBY= 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; Tue, 10 Jun 2025 17:10:27 +0800 Received: from twmbx02.aspeed.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; Tue, 10 Jun 2025 17:10:27 +0800 From: Jammy Huang To: , , , , , , , , , , Subject: [PATCH v3 0/2] ASPEED: Add mailbox driver for AST2700 series Date: Tue, 10 Jun 2025 17:10:24 +0800 Message-ID: <20250610091026.49724-1-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. v2 changes: - Correct document 1. Use 32-bit addressing in dts example property, reg. - 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 | 226 ++++++++++++++++++ 4 files changed, 293 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