From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3FC448122F for ; Tue, 12 May 2026 07:40:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778571621; cv=none; b=RLG2BhbB5ey8edvDjyV50iI7RnZ4yER9yY8irPsAd2ncZZtvh1bDGGvtpOQlw6qeX+HXAsRZ3Q+ckaRan27Ga51dvuN2M7IS/xYDfChAYSoR42KuNfEo+dOFX0GYb1wu8aJj/Lq+irT7rHI5SPSUBu5XhqEB/ugMO5z3msmqxoE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778571621; c=relaxed/simple; bh=3OQ02ZZI0kQ/5sJ1+5YlEDCXa+LoKBlgxgLGOXru+fE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QEbEpfAEqTjSXk/WoKZ918AyTb83R01xY/x/kbuYj70vNb1STELCde3JrRaDCBRWTwC6FedCg9rxVLmnQqOK6zQvi236ZOEb6awiOqzdBOYB7bsytAcXSoz4AeoQC4liqo1qiw3Nqi1wbOQWa2edSIDO8OxrbTyE7F6ZstBN3lw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=diN/inxy; arc=none smtp.client-ip=209.85.216.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="diN/inxy" Received: by mail-pj1-f50.google.com with SMTP id 98e67ed59e1d1-36608b2f2dcso3503032a91.2 for ; Tue, 12 May 2026 00:40:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778571614; x=1779176414; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=m4n/F1eKXbXqdeANeiK1vkq+es+HjdGAH5wuLHdXDwY=; b=diN/inxyDE7b6Lkwh7eAwGQ/EybW3yEyfi0O69EB83gcu814QUEMSdQhcXSSy9StYl 7wNEU7o6ulflOCfQZ2sX1hZvjKEJ2o4UnwCCMf1zY9JyourmgUNQgrEQpdJBABqS5uxT NP+IGs9wU91Ayx91BZePcTrIJ59Cf+eB0VfxOZdRxNYGOTGXmLf51DPc5iCut2IpJmdn kPgCPr2W6IfYYkiV08vramTWCqoGIFaNfrdyeTEAmUlpUj9NK4n70dqMn74CQ7XCfcKf hOprlynss5fcaAsoSXEEHjUq+xPRSDkNTGtMtihDk8oc2X71pD0oJhFqgn+xqIZea1NV Hhjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778571614; x=1779176414; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=m4n/F1eKXbXqdeANeiK1vkq+es+HjdGAH5wuLHdXDwY=; b=svuUa2IvB0UE34rMQNrByqvsPo2jziBt1uhMSCeTzvPxirpTORPELC8zo7qML9ljZP 60B8pfRzPMASb6/52UwzXmbvDM2HybctdvhRCYsNeqJX0d7NJd20k+jGFS6+goY6Kaul jqchWF+6VInHC2T9cT3XdfY/f6vMMnP8x2IqLiuzEl/t1hZVeD0K6ubiduVBYX10hExQ AM5pjmOtoqWIfq3StTz/of3NBAG4t74MJIFtrXT07wPMSJVdBhRjX5W+NMsXVVtnBr8O FKjpO+M4P3vU51oPY6XWG/8fH0LJEGuXtVZi067GJ6e0YijhriZQOGOpw9GWKiS10UKo QcAA== X-Forwarded-Encrypted: i=1; AFNElJ91F1gsQ7f5/Bgrrrvn0WF0lxVeCk8ZUHYT5/YaCYc3MP3CZAogRw15q1n7FvtyoFpUWzFZ/yfq8006KQw=@vger.kernel.org X-Gm-Message-State: AOJu0YwRPW7lg/8oNREVF/tqmu/biSlkpCMx8uT6jqsFXRWYSMn/Sy6Z z37q2AUurgnba+L00gpoi+4XqykJcUcLCE6ytVHENlVDe27fsr9ZFXjrHX1ytw== X-Gm-Gg: Acq92OFbxmiF9wceeFE+FlcwamzPStrqSdLMk1DHtAuJ4gRJhra7ua0LucnlFfvG2HG Zal3NRbxAsWUSsapAVs/qu/5LI583G+rqq7fYPvpH6DOPH4kDzz8t534KcgUPdjBpiHfz9v3IlI /6mNiJU9LxSAjkHcJooL57Zah5xVS/98SFaa8u2gXen9kdkeUQxLwtfUpedWDND4scDq9TZaO9T ZcbmJ7jOw43Ph6QjAo7C/U0cTwYmp4cX30t9+CQQHSkM6jfczrHbiFYYCJk6HqVdEPSeZ3Su+vC rMogW/eJmkt8xDrbvIZDh5ZKjXofHHYu+2ta7kVi75qtYyWMNS3l8JUlKhBtAatSZwx5NPs/9z3 j/LgawBJcK5DJ/WWHSZdZ2zC3ZDW/HB10rL2ESnEwUaA8mAKdZ6JUWV6558bqabuxrW1JAW4aij dB5iPZzgOpL7fH98CJwEnUZAKS4I2WezfMyWwfvU9fuVGCoEQnjfGo+W8cSy2N2QlleacXswpLj g3D9tR75Q== X-Received: by 2002:a17:90b:590f:b0:368:5367:d679 with SMTP id 98e67ed59e1d1-3685368061emr7314796a91.9.1778571614197; Tue, 12 May 2026 00:40:14 -0700 (PDT) Received: from localhost.localdomain (60-250-196-139.hinet-ip.hinet.net. [60.250.196.139]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-367d65ed459sm13264489a91.14.2026.05.12.00.40.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 00:40:13 -0700 (PDT) From: Zi-Yu Chen To: Jacky Huang , Andi Shyti Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Zi-Yu Chen Subject: [PATCH v3 3/3] arm64: dts: nuvoton: Add I2C nodes for MA35D1 SoC Date: Tue, 12 May 2026 15:39:53 +0800 Message-Id: <20260512073953.564323-4-zychennvt@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260512073953.564323-1-zychennvt@gmail.com> References: <20260512073953.564323-1-zychennvt@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add I2C controller nodes to the MA35D1 SoC dtsi. Also enable the I2C interfaces on the MA35D1 SOM board to allow communication with onboard peripherals. Signed-off-by: Zi-Yu Chen --- .../boot/dts/nuvoton/ma35d1-som-256m.dts | 15 +++++ arch/arm64/boot/dts/nuvoton/ma35d1.dtsi | 60 +++++++++++++++++++ 2 files changed, 75 insertions(+) diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts index f6f20a17e501..a0f1d76d288e 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts +++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts @@ -13,6 +13,7 @@ / { compatible = "nuvoton,ma35d1-som", "nuvoton,ma35d1"; aliases { + i2c0 = &i2c2; serial0 = &uart0; serial11 = &uart11; serial12 = &uart12; @@ -55,6 +56,12 @@ &clk { "integer"; }; +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; +}; + &pinctrl { uart-grp { pinctrl_uart0: uart0-pins { @@ -98,6 +105,14 @@ pinctrl_uart16: uart16-pins { power-source = <1>; }; }; + + i2c-grp { + pinctrl_i2c1: i2c1-pins { + nuvoton,pins = <1 10 12>, + <1 11 12>; + bias-disable; + }; + }; }; &uart0 { diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi index e51b98f5bdce..a88d1c2938e7 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi +++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi @@ -372,6 +372,66 @@ uart15: serial@407f0000 { status = "disabled"; }; + i2c1: i2c@40810000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x0 0x40810000 0x0 0x1000>; + interrupts = ; + clocks = <&clk I2C1_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C1>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c2: i2c@40820000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x0 0x40820000 0x0 0x1000>; + interrupts = ; + clocks = <&clk I2C2_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C2>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c3: i2c@40830000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x0 0x40830000 0x0 0x1000>; + interrupts = ; + clocks = <&clk I2C3_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C3>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c4: i2c@40840000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x0 0x40840000 0x0 0x1000>; + interrupts = ; + clocks = <&clk I2C4_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C4>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c5: i2c@40850000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x0 0x40850000 0x0 0x1000>; + interrupts = ; + clocks = <&clk I2C5_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C5>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + uart16: serial@40880000 { compatible = "nuvoton,ma35d1-uart"; reg = <0x0 0x40880000 0x0 0x100>; -- 2.34.1