From patchwork Sun Feb 26 03:13:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Chen X-Patchwork-Id: 13152300 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 95E04C7EE23 for ; Sun, 26 Feb 2023 05:03:47 +0000 (UTC) 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:References:In-Reply-To: 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: List-Owner; bh=rqelOqmc61OVkLhpsYkw2QQ6IaJ1LeZ4P6Fv0CpDeA8=; b=bImPkZaOJXaULR NVRkLmpyA1eajPAS5NWq5USQxlFQfRUfJqYjb+FhosR27PGrIh4Po0LzDTUGD86hgRHPHAMnAEkSx DGgQhQT0t/yZdf3Yk1y0GuI4eFQm6GZ8ZDC0a2wSzV17OOAiOMbgcy3ZKCkyCvJWIE6R3umsa/Txh UKVa+Fiow6zSwt9wSOEcDyaUmTqnbQaUv/3AE6rizQ4EOh+NRHRmYgLOBheVoJcmNXShZLoLxiGc6 bHru+n3U70K55W8qvZN8h1kYMPpj9QYxoLaTcEdGAdzTa7g6HqXw8PBdZSAOdBBJrczQ8WtL0sFpR uvuRs9QhEmf4mooCgsBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pW9Ax-006o4K-NX; Sun, 26 Feb 2023 05:02:19 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pW9Aw-006o3f-3v for linux-arm-kernel@bombadil.infradead.org; Sun, 26 Feb 2023 05:02:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Sender: Reply-To:Cc:Content-ID:Content-Description; bh=HgDCWDA/lYRw9xobUQOXq3GSsFRO9FMiNyu+4q6iLks=; b=QGhmgbwj/qPCCCKGYd6FLLP1sU qGUgXQyEW3laV21dscqQH7UXqrjdyTrm4chCeOFz9u/karHLY8iS7k67yzxFRj+vxS6X1nvw0RbVJ Xd/dKx251QjaC2SJl/c6YpOV3i0Rdh9zcAoGh1xPgT1BM8Fms09PBs7CjRTHgkWtVRftVrnNhQXFs cZQEUuJF6TUdcs0YpEKvE367ZOEjnPUqIdOpPst8STC3YvRriCpc5gNxXcMrK3vbe7+Ndz24UtKPg RVb98ufpSyLnSBVZoo+rdvb1M/GBLnRADhnuE1KMvjN86vroWs3lCtE5mk+GOvVdd5QeKPFCh7oSc HMxLXbfg==; Received: from twspam01.aspeedtech.com ([211.20.114.71]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pW7Ur-00DkdL-1P for linux-arm-kernel@lists.infradead.org; Sun, 26 Feb 2023 03:14:48 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 31Q30CKT025216; Sun, 26 Feb 2023 11:00:12 +0800 (GMT-8) (envelope-from ryan_chen@aspeedtech.com) Received: from aspeedtech.com (192.168.10.13) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 26 Feb 2023 11:13:25 +0800 From: Ryan Chen To: Ryan Chen , Andrew Jeffery , Brendan Higgins , Benjamin Herrenschmidt , Joel Stanley , Rob Herring , Krzysztof Kozlowski , Philipp Zabel , , , , , , Subject: [PATCH v6 1/2] dt-bindings: i2c: aspeed: support for AST2600-i2cv2 Date: Sun, 26 Feb 2023 11:13:20 +0800 Message-ID: <20230226031321.3126756-2-ryan_chen@aspeedtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230226031321.3126756-1-ryan_chen@aspeedtech.com> References: <20230226031321.3126756-1-ryan_chen@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.13] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 31Q30CKT025216 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230226_031446_371172_8C27465A X-CRM114-Status: UNSURE ( 8.34 ) 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 ast2600-i2cv2 compatible and aspeed,global-regs, aspeed,timeout aspeed,xfer-mode description for ast2600-i2cv2. Signed-off-by: Ryan Chen --- .../devicetree/bindings/i2c/aspeed,i2c.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml index f597f73ccd87..75de3ce41cf5 100644 --- a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml @@ -49,6 +49,25 @@ properties: description: states that there is another master active on this bus + aspeed,timeout: + type: boolean + description: I2C bus timeout enable for master/slave mode + + aspeed,xfer-mode: + description: | + I2C bus transfer mode selection. + - "byte": I2C bus byte transfer mode. + - "buffered": I2C bus buffer register transfer mode. + - "dma": I2C bus dma transfer mode (default) + items: + enum: [byte, buffered, dma] + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + + aspeed,global-regs: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle of i2c global register node. + required: - reg - compatible @@ -57,6 +76,19 @@ required: unevaluatedProperties: false +if: + properties: + compatible: + contains: + const: aspeed,ast2600-i2cv2 + +then: + properties: + reg: + minItems: 2 + required: + - aspeed,global-regs + examples: - | #include @@ -71,3 +103,15 @@ examples: interrupts = <0>; interrupt-parent = <&i2c_ic>; }; + - | + #include + i2c1: i2c@80 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2600-i2cv2"; + reg = <0x80 0x80>, <0xc00 0x20>; + interrupts = ; + aspeed,global-regs = <&i2c_global>; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_I2C>; + };