From mboxrd@z Thu Jan 1 00:00:00 1970 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 A5B00FA0C4E for ; Thu, 16 Apr 2026 07:30:49 +0000 (UTC) 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:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aT66Byi3bg6rw9Wnl6S3il7tGLJcS18JKH3o2a4Pdis=; b=GVRCdGsnVU6/TWLuObeuPPiMei jKGaPCckBWj/qLzAcHaULVeIR8pyT60Z+NQ6k6n085UmNlULPrCqRkEhLy0sPkWgI8zNSwQh5lX2Z 726kYgmzeKlZNBlTkm3fl/6zUlL0Hv3mlmgi3uZcZrdLGtTIIHNvw7hqfmweo9v6EBWGfZ1i81nZM mqvrKM/fDI6VpFukEb5Cy69C5y4xNK0GUKUKZht98G0iS5TTGqDmSaDro7uOOqgabuXQqioawbXgN 6NaEOsNPwjNFzRfvSNu3wqz/eE0q7A+5i7SsvKE98wtBwgYEQ5oBlCl9IbfyGHYjP3udbw98fX+Ig ZkYi/DOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDHBS-000000027wt-0C9X; Thu, 16 Apr 2026 07:30:42 +0000 Received: from mail.aspeedtech.com ([211.20.114.72] helo=twmbx01.aspeedtech.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDHBL-000000027uU-0KrG for linux-arm-kernel@lists.infradead.org; Thu, 16 Apr 2026 07:30:37 +0000 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; Thu, 16 Apr 2026 15:30:26 +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; Thu, 16 Apr 2026 15:30:26 +0800 From: Billy Tsai Date: Thu, 16 Apr 2026 15:29:43 +0800 Subject: [PATCH v7 1/3] dt-bindings: pinctrl: Add aspeed,ast2700-soc0-pinctrl MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260416-upstream_pinctrl-v7-1-d72762253163@aspeedtech.com> References: <20260416-upstream_pinctrl-v7-0-d72762253163@aspeedtech.com> In-Reply-To: <20260416-upstream_pinctrl-v7-0-d72762253163@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=1776324626; l=4554; i=billy_tsai@aspeedtech.com; s=20251118; h=from:subject:message-id; bh=/ubvf9DLP+Avh5y/ebKCCUhKpdr4O8xnRNwt2LL0kvo=; b=ETmluXu74ZIS8EXwvt6rAH/uOF2avjuUozDPKoYK1vQB9sWl/G6WWJml51/NCghAxVMSrmve2 S0sHxiiG15WAxBPMUQVUzfaOAhlRB9GOwKcW2asRMtnZKtz4bPL75l1 X-Developer-Key: i=billy_tsai@aspeedtech.com; a=ed25519; pk=/A8qvgZ6CPfnwKgT6/+k+nvXOkN477MshEGJvVdzeeQ= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260416_003035_124762_E3579059 X-CRM114-Status: GOOD ( 10.43 ) 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 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 | 162 +++++++++++++++++++++ 1 file changed, 162 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..947f3cd09fcc --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2700-soc0-pinctrl.yaml @@ -0,0 +1,162 @@ +# 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$': + type: object + allOf: + - $ref: pinmux-node.yaml# + - $ref: pincfg-node.yaml# + + 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