From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 17FA0606A337 for ; Wed, 11 Nov 2026 09:40:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=4zPOiYpn DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; bh=l7FQMS58GCdWz2frTF6MPWJY08KR+5o+y8rdnEYzchE=; b=4zPOiYpnp6rsDR RB7V/69WVj3L+iaXXG3j6ehI3HKNBZ13QKJdS2teuZzhysekzefcbht6JFgm+0C9vhx/28bSwstji hIMH+ZQ7DC33z264X4ggjG4Flbv6XUXd4OC9BALOZD3RWp3RVSycP0W2ys/h4+XN5h5Ed9tbD8nxQ 1b2LTNA5amQJt9TO5g1giuogXhWS3dSj38Hz9EVApTqQ8STMjYwEeoOutHoCbBSBCLoLWP2w+hgyR uKMjvYSSGJauGHQqd6BnDsR+GxQYuTLjpG1/oWqwjRpCqsmN03MpBYdtwDhDUe/oJfp0BTplTE197 vLsWpbJG5hbJrutgXvqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xR4o9-00000006DVy-34zw; Wed, 11 Nov 2026 09:39:57 +0000 Received: from nbd.name ([46.4.11.11]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xR4o7-00000006DUu-22Fa; Wed, 11 Nov 2026 09:39:56 +0000 Received: from [2a04:4540:1401:33fc:b262:f9a8:847e:6650] (helo=bertha10..) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1xR4nz-001U9u-0y; Wed, 11 Nov 2026 10:39:47 +0100 From: John Crispin To: Stefan Roese , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Christian Marangi , devicetree@vger.kernel.org, lei.dong@airoha.com, Linqi.zhang@airoha.com, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Rajeev.kumar@airoha.com, upstream@airoha.com, Weifeng.xu@airoha.com, zhengping.zhang@airoha.com Subject: [PATCH 1/2] dt-bindings: i2c: mt7621: add Airoha AN7589 Date: Wed, 11 Nov 2026 10:39:40 +0100 Message-Id: <20261111093941.691801-2-john@phrozen.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261111093941.691801-1-john@phrozen.org> References: <20261111093941.691801-1-john@phrozen.org> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261111_013955_529985_864B4B6A X-CRM114-Status: UNSURE ( 8.84 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 The Airoha AN7589 carries the MT7621 I2C controller with a second control register holding a wider clock divider. Give it a compatible of its own so the driver can tell the variants apart. Signed-off-by: John Crispin --- .../devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml b/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml index 118ec00fc190..28659bdd72f5 100644 --- a/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml @@ -9,12 +9,18 @@ maintainers: title: Mediatek MT7621/MT7628 I2C master controller +description: + The same controller is used on Airoha SoCs. The AN7589 variant adds a + second control register with a wider clock divider. + allOf: - $ref: /schemas/i2c/i2c-controller.yaml# properties: compatible: - const: mediatek,mt7621-i2c + enum: + - airoha,an7589-i2c + - mediatek,mt7621-i2c reg: maxItems: 1 -- 2.34.1