From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from twmbx01.aspeedtech.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 7152B3E3157; Wed, 6 May 2026 08:12:10 +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=1778055132; cv=none; b=smwlgh2NPITi6LCQsU0vJ8Hvl+uB92NjnMAi4CMfaI+2HIpjRnd4F9ggG+uhFvAN2JTd7UkhC3/+Op9uW61U+x54PehevjIafWXRqAWFRGXpr7QwriBKvgqtvjnx3zYcuINR6/DHK32d4tqtRj+uj0upa6ZgAcyr3S1w48gn7FY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778055132; c=relaxed/simple; bh=umFpfd66BRJCJk5jOcCmR9w9vfYsC79aq8DVfgDGxeU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=lKtDdle3LFFdUZRXvD8ULuRGjkO9l5vCE+zpgti0lNMtHYDh7YML1jDEZreBdaObmi99ADRcjOeX2mVzhpcdaVmNr4PO69SeTgr+NIktbw5HDnk0/3JZKtY7udjhMbbsV9pKVjzvwmKmkNbT2V2prOyo9CKP/Z5sQNMml8/86J0= 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; Wed, 6 May 2026 16:06:58 +0800 Received: from [127.0.1.1] (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Wed, 6 May 2026 16:06:58 +0800 From: Billy Tsai Date: Wed, 6 May 2026 16:06:18 +0800 Subject: [PATCH v9 1/3] dt-bindings: pinctrl: Add aspeed,ast2700-soc0-pinctrl Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260506-upstream_pinctrl-v9-1-0636e22343ad@aspeedtech.com> References: <20260506-upstream_pinctrl-v9-0-0636e22343ad@aspeedtech.com> In-Reply-To: <20260506-upstream_pinctrl-v9-0-0636e22343ad@aspeedtech.com> To: Lee Jones , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Joel Stanley" , Andrew Jeffery , "Linus Walleij" , Billy Tsai , "Bartosz Golaszewski" , Ryan Chen CC: Andrew Jeffery , , , , , , , X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778054817; l=5365; i=billy_tsai@aspeedtech.com; s=20251118; h=from:subject:message-id; bh=umFpfd66BRJCJk5jOcCmR9w9vfYsC79aq8DVfgDGxeU=; b=xg4WMR3SyfP2VQQyIr/FVoEhOjgyYTCWgZA9aF4SNa2Z0C0xCPy3HpVnEhOrdh/AocWmrizHV nWTrhwcM2iGBzOUaz41W8GZ4VjwoMcJkfPg+6px3lIvdgytkLEmVjTC X-Developer-Key: i=billy_tsai@aspeedtech.com; a=ed25519; pk=/A8qvgZ6CPfnwKgT6/+k+nvXOkN477MshEGJvVdzeeQ= Add a device tree binding for the pin controller found in the ASPEED AST2700 SoC0. The controller manages various peripheral functions such as eMMC, USB, VGA DDC, JTAG, and PCIe root complex signals. Describe the AST2700 SoC0 pin controller using standard pin multiplexing and configuration properties. Signed-off-by: Billy Tsai --- .../pinctrl/aspeed,ast2700-soc0-pinctrl.yaml | 188 +++++++++++++++++++++ 1 file changed, 188 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2700-soc0-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2700-soc0-pinctrl.yaml new file mode 100644 index 000000000000..407a64f28d49 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2700-soc0-pinctrl.yaml @@ -0,0 +1,188 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2700-soc0-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2700 SoC0 Pin Controller + +maintainers: + - Billy Tsai + +description: > + The AST2700 features a dual-SoC architecture with two interconnected SoCs, + each having its own System Control Unit (SCU) for independent pin control. + This pin controller manages the pin multiplexing for SoC0. + + The SoC0 pin controller manages pin functions including eMMC, VGA DDC, + dual USB3/USB2 ports (A and B), JTAG, and PCIe root complex interfaces. + +properties: + compatible: + const: aspeed,ast2700-soc0-pinctrl + + reg: + maxItems: 1 + +patternProperties: + '-state$': + description: | + Pin control state. + + If 'function' is present, the node describes a pinmux state and must + specify 'groups'. + + For pin configuration, exactly one of 'groups' or 'pins' must be + specified in each state node. Group-level configuration applies to all + pins in the group. Pin-level configuration may be supplied in a + separate state node for individual pins; when both group-level and + pin-level configuration apply to the same pin, the pin-level + configuration takes precedence. + + type: object + allOf: + - $ref: pinmux-node.yaml# + - $ref: pincfg-node.yaml# + - if: + required: + - function + then: + required: + - groups + - oneOf: + - required: + - groups + - required: + - pins + + additionalProperties: false + + properties: + function: + enum: + - EMMC + - JTAGDDR + - JTAGM0 + - JTAGPCIEA + - JTAGPCIEB + - JTAGPSP + - JTAGSSP + - JTAGTSP + - JTAGUSB3A + - JTAGUSB3B + - PCIERC0PERST + - PCIERC1PERST + - TSPRSTN + - UFSCLKI + - USB2AD0 + - USB2AD1 + - USB2AH + - USB2AHP + - USB2AHPD0 + - USB2AXH + - USB2AXH2B + - USB2AXHD1 + - USB2AXHP + - USB2AXHP2B + - USB2AXHPD1 + - USB2BD0 + - USB2BD1 + - USB2BH + - USB2BHP + - USB2BHPD0 + - USB2BXH + - USB2BXH2A + - USB2BXHD1 + - USB2BXHP + - USB2BXHP2A + - USB2BXHPD1 + - USB3AXH + - USB3AXH2B + - USB3AXHD + - USB3AXHP + - USB3AXHP2B + - USB3AXHPD + - USB3BXH + - USB3BXH2A + - USB3BXHD + - USB3BXHP + - USB3BXHP2A + - USB3BXHPD + - VB + - VGADDC + + groups: + enum: + - EMMCCDN + - EMMCG1 + - EMMCG4 + - EMMCG8 + - EMMCWPN + - JTAG0 + - PCIERC0PERST + - PCIERC1PERST + - TSPRSTN + - UFSCLKI + - USB2A + - USB2AAP + - USB2ABP + - USB2ADAP + - USB2AH + - USB2AHAP + - USB2B + - USB2BAP + - USB2BBP + - USB2BDBP + - USB2BH + - USB2BHBP + - USB3A + - USB3AAP + - USB3ABP + - USB3B + - USB3BAP + - USB3BBP + - VB0 + - VB1 + - VGADDC + + pins: + enum: + - AB13 + - AB14 + - AC13 + - AC14 + - AD13 + - AD14 + - AE13 + - AE14 + - AE15 + - AF13 + - AF14 + - AF15 + + drive-strength: + enum: [3, 6, 8, 11, 16, 18, 20, 23, 30, 32, 33, 35, 37, 38, 39, 41] + + bias-disable: true + bias-pull-up: true + bias-pull-down: true + +required: + - compatible + - reg + +allOf: + - $ref: pinctrl.yaml# + +additionalProperties: false + +examples: + - | + pinctrl@400 { + compatible = "aspeed,ast2700-soc0-pinctrl"; + reg = <0x400 0x318>; + emmc-state { + function = "EMMC"; + groups = "EMMCG1"; + }; + }; -- 2.34.1