From patchwork Sun Mar 9 13:29:36 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 872121 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) (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 B8ECE1DF731; Sun, 9 Mar 2025 13:30:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741527049; cv=none; b=PM1ld+39/CafJVbAA/inTWttST+KNs6yWrUr3f1zVIDpNgNEoBYBzmDRtvR+oi7FmQIu08ZNI/u6AMgmpBZffw39SPJrTbK8AlUhp4adE6egkFrx3t/tQoRDHqXM+rrg9/C6ycb4i4Habln8sIAWyE72Is3bU1ly4l/WsMh25Eo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741527049; c=relaxed/simple; bh=E5XDfhhhPBiYqBlcttdcgnUez7WPqQY743rf4tAODF4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M/FCQ4XxjaWJIUo5+iw3lX2n2X7H6Zm3Ez/yJncOEkE4LQHIr6/yWT9M60jjIJ8HBO6HNQmbjlU3QjTTnnZzIsOrg3kYeYvlNzF25ny1j1SpgzLpVUxT82lIiUd6eFzDUoO8pvYk6Z0etLyOIp9ESUv4+kaTb6CMejomLbGMgu0= 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=DzEPQPOQ; arc=none smtp.client-ip=209.85.221.43 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="DzEPQPOQ" Received: by mail-wr1-f43.google.com with SMTP id ffacd0b85a97d-39127512371so1840233f8f.0; Sun, 09 Mar 2025 06:30:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741527046; x=1742131846; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=BzS4hzE7zDkztDQBx5YAH+xKOh9ZedPuSQIim2JNdCQ=; b=DzEPQPOQ1bzhSg62EQBBFUa7vuepP4BbXz8gMIp+XPEStGwD4tnx6eA12kRupdzmXj VfCFMqwe2L2GqQU3Jd3fU0ryLfM858yiTf4EuXJqEuacun34i1A263f8JM/DUCLARKC9 2fXjSCUcIYflAkyggpEw7uqhmvVcJufJeLGdymGxtinlamKpTgpeFIR570eRnGG0Ol/U UEruTaHTpHoxUaiRrwjhrFNK2MFESsRwjOl+g8qLdT2Zo37ELn43fNX1fruFPhpNLqxO WTWEpH5Iw5sytmZ/MnzGmv3pB2TJrQXuQi9ChpaIP8YuevLhAdsiWoUPAQD5VljTeVnx PgDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741527046; x=1742131846; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BzS4hzE7zDkztDQBx5YAH+xKOh9ZedPuSQIim2JNdCQ=; b=iygvCAaNjGZbhGYZe51VPwu8UKPnFauyqb6me1WZqbk+L8bpcFQYY33TJ67f9leQfB xPVkAFEGyZloMo6KFd77/CLERu+Dg+pYSPzHfaVXQjnTtV+InraAR12ADjuvUeN+GePX 1q97ZlfNTWEv6fhzn54pDbfTus9W3AaCpRavE+uPvcAbfR2fmAIz/L76h5ds8Q3Iamb1 0V8rAvgTd5WXEJLe5rHBW+J3gXXDjge2zbUfTCCctPtpzdtTinkegakoE13DbtCToupp u3NlyZN/tJe7nr11V4qNVpehclgAxoSC6uz9yT/2nirg1l3bT5oC87FwLcZrWRCHB0dX 9b7A== X-Forwarded-Encrypted: i=1; AJvYcCUjZcajtAu655obRoVCvp5bUCS9qHM/Wk1UqA3Y8CLPqv7QXS4ECbjJVFwp3i8lZ5xDEtfhIWE4eS9v@vger.kernel.org, AJvYcCUs3ISyEN15f3szbaHyVtFhA+UJduS+UhlgkPhpe7hwolrJ/9sbTnv8RY7R64SOyoiYKgg1nMWyHfJT@vger.kernel.org, AJvYcCWa16atnsp9B5Xwt54hr1tDlAokk88Odg+R/pldGcOQdU2726xjFMm9oVb2dXpoCaUHdmY6Fwlgd3Ns@vger.kernel.org, AJvYcCWu+qwhgSK9k9VQd3cTzmC+2iYvKRkzHg4poai8z21UHXN45JaOkMyzavKszS36rP5+gLssqbhpxPXSFdNq@vger.kernel.org X-Gm-Message-State: AOJu0Yy5Se0d3RbNFrrbV69mtOsOCuyTW/KPQPIVzcgEX8AAi56fyjq4 7NY1SP/zXlvaktCyom3N4BQaQR207FPsy3BuppCJAAVUSFik+llo X-Gm-Gg: ASbGncs1wdPLv/5TBFm3o2gTWs9Y8XPVoNjRYJxToJasykyBRHvSmvTGPWjrkqyfdTO 1k5OBE6PIjre5OL4F/KWEZOVKQrilf552sPIjAxZQqzRwf66vyH05mJe/zI/jjsebo2LYk1jXRQ hKXUb0Wl8mYRhB3K+ZMHcnZV2N8IRAzPA0jrqyHoXarLanfqbXyeHWJhGjQwdmTY6I8bWKVW4pV QZIieprtzjiy9eyEbjOzZ1oFHA+dohmdHSVy9lUGvrisYRZctUWbB5pGC2NA4yBlkamAXzJ+jsF +nNOtfjJvI3bu2eJLCS3akIZ8g6MJLV3iREpZpFR8xL3YO/WkmJlqeyPwjYp/KmiDVUOR4Ps+Jl gTvtxZsN8hMzFkA== X-Google-Smtp-Source: AGHT+IE6bIHxYXeJLeLHPL+p4IEp/6DdN3f/i6NZYTP+hM3wxLjboSsLeWZHA3qzqc5r29m1QI1i5A== X-Received: by 2002:a05:6000:1786:b0:391:48d4:bcf2 with SMTP id ffacd0b85a97d-39148d4bd41mr353208f8f.12.1741527046061; Sun, 09 Mar 2025 06:30:46 -0700 (PDT) Received: from localhost.localdomain (93-34-90-129.ip49.fastwebnet.it. [93.34.90.129]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-3912bee262esm11867536f8f.0.2025.03.09.06.30.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Mar 2025 06:30:45 -0700 (PDT) From: Christian Marangi To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lee Jones , Christian Marangi , Vinod Koul , Kishon Vijay Abraham I , Matthias Brugger , AngeloGioacchino Del Regno , Greg Kroah-Hartman , Lorenzo Bianconi , Daniel Danzberger , Arnd Bergmann , Linus Walleij , Nikita Shubin , Guo Ren , Yangyu Chen , Ben Hutchings , Felix Fietkau , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-usb@vger.kernel.org, upstream@airoha.com Subject: [PATCH 05/13] dt-bindings: mfd: add Documentation for Airoha EN7581 SCU Date: Sun, 9 Mar 2025 14:29:36 +0100 Message-ID: <20250309132959.19045-6-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250309132959.19045-1-ansuelsmth@gmail.com> References: <20250309132959.19045-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add Documentation for Airoha EN7581 SCU. Airoha EN7581 SoC expose registers to control miscellaneous pheriperals via the SCU (System Controller Unit). Example of these pheriperals are reset-controller, clock-controller, PCIe line speed controller and bits to configure different Serdes ports for USB or Ethernet usage. Signed-off-by: Christian Marangi --- .../mfd/airoha,en7581-scu-sysctl.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/airoha,en7581-scu-sysctl.yaml diff --git a/Documentation/devicetree/bindings/mfd/airoha,en7581-scu-sysctl.yaml b/Documentation/devicetree/bindings/mfd/airoha,en7581-scu-sysctl.yaml new file mode 100644 index 000000000000..d7dc66f912c1 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/airoha,en7581-scu-sysctl.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/airoha,en7581-scu-sysctl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha EN7581 SCU (System Controller Unit) + +maintainers: + - Christian Marangi + +description: + Airoha EN7581 SoC expose registers to control miscellaneous + pheriperals via the SCU (System Controller Unit). + + Example of these pheriperals are reset-controller, clock-controller, + PCIe line speed controller and bits to configure different Serdes ports + for USB or Ethernet usage. + +properties: + compatible: + items: + - const: airoha,en7581-scu-sysctl + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + clock-controller: + type: object + $ref: /schemas/clock/airoha,en7523-scu.yaml + description: + Child node definition for EN7581 Clock controller + + system-controller: + type: object + $ref: /schemas/soc/airoha/airoha,an7581-scu-ssr.yaml + description: + Child node definition for EN7581 System Status Register + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + system-controller@1fb00000 { + compatible = "airoha,en7581-scu-sysctl", "syscon", "simple-mfd"; + reg = <0x1fb00000 0x970>; + + clock-controller { + compatible = "airoha,en7581-scu"; + + #clock-cells = <1>; + #reset-cells = <1>; + }; + + system-controller { + compatible = "airoha,an7581-scu-ssr"; + + airoha,serdes-usb2 = ; + }; + };