From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 E6F5A37AA96 for ; Wed, 8 Apr 2026 19:42:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775677332; cv=none; b=qfKBAKoWIjMSH2cDcOzUbbwzZkFUEhCEWMU99rJ+gR5uvZsJ/UN9kff9TAqkwP/gJGHFtA5vHXhHZApGrE7peyo1UiTvHcPN1BYTXIyuLQF3nlIjl50+3Y/6nyF3x5QPwQUcAKthgwycwrx1i04SrL0HDaUP8ZgczYXukb2E1uU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775677332; c=relaxed/simple; bh=JswzvqIUM/Y0snFlKb+yBLx2iydNCgWMkhaiYqyvcrU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oEvknxcbVq20+kcyXVP4BNUHiCLVEIjdLC5kbODI7psKWwNCDvVnk3CnvFvhv/95cPGCTIFKJJsS1pbpjNphQQlJ1L0jOKCB+POhsmgsKxWt6cX2WLOqEt47/POl/ieD2qC9ShcLvjEM5WXvu+3UTpcgkD6B5HKJiuIODf1GiWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jUhKwJ1W; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="jUhKwJ1W" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775677331; x=1807213331; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JswzvqIUM/Y0snFlKb+yBLx2iydNCgWMkhaiYqyvcrU=; b=jUhKwJ1W7gov/JYBLSaNT0h3O10vyWoQ945eo7O8Z+W4ON5fM+o3lZM2 3ZK5pterbLXBKbKTKt+HVNITokkdZ/eOc1x4momVDn9E/F6UBGRxGuStz 61LcVdddLIuT2YkjmVrko9hPOrSthY8vcnpKiJEg5jJgFbQfexsGxvcC2 cp2iu14/Zt0IA/hRVrkzgTftsV1tp41sEK279hfDAO67835xq4lf8jQ9p gXniqtD06AJYICxN7FGKlWgq0XdfgX6raFanfBY/Ir0XK4oCugSDfTDvE +TXESbYC6tm0ONDXvEaMQDdfZqHbsK8y8dYGFiYJr1ec+j2j0v6Hx3Jbu A==; X-CSE-ConnectionGUID: C1ka4QUnRQiYoPXHNO5KPQ== X-CSE-MsgGUID: VMtmKYR0TO656RfrSuti8g== X-IronPort-AV: E=McAfee;i="6800,10657,11753"; a="88056918" X-IronPort-AV: E=Sophos;i="6.23,168,1770624000"; d="scan'208";a="88056918" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 12:42:11 -0700 X-CSE-ConnectionGUID: fU2drvZHTDqcQFHupFc6zg== X-CSE-MsgGUID: ecX8swQCSCSeREGdg7ZbOA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,168,1770624000"; d="scan'208";a="222053381" Received: from gklab-103a-129.igk.intel.com ([10.91.103.129]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 12:42:07 -0700 From: Dawid Glazik To: Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , linux-aspeed@lists.ozlabs.org Cc: linux-i3c@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Frank Li , Dawid Glazik , Maciej Lawniczak Subject: [PATCH v3 3/3] dt-bindings: i3c: Add AST2600 I3C global registers Date: Wed, 8 Apr 2026 22:34:35 +0200 Message-ID: <7f55458097ef651b4fc46650254afd3fa7b87348.1775679285.git.dawid.glazik@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 Content-Transfer-Encoding: 8bit Introduce the device-tree bindings for I3C global registers found on AST2600 SoCs. Signed-off-by: Dawid Glazik --- I wasn't sure if I should add newline at the end of the file or not so I took https://github.com/torvalds/linux/tree/master/Documentation/devicetree/bindings/i3c as an example. --- .../i3c/aspeed,ast2600-i3c-global.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c-global.yaml diff --git a/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c-global.yaml b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c-global.yaml new file mode 100644 index 000000000000..edecc18796a9 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c-global.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i3c/aspeed,ast2600-i3c-global.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2600 I3C Global Registers + +description: | + The AST2600 SoC provides a shared I3C global register block used by all + I3C controller instances. This block contains per-instance global + configuration fields, including controller instance ID and SDA pull-up + configuration. + Each I3C controller references this syscon node through the + aspeed,global-regs property. + +maintainers: + - Dawid Glazik + +allOf: + - $ref: /schemas/mfd/syscon-common.yaml# + +properties: + compatible: + items: + - const: aspeed,ast2600-i3c-global + - const: syscon + + reg: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + bus@1e7a0000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x1e7a0000 0x8000>; + + i3c-global@0 { + compatible = "aspeed,ast2600-i3c-global", "syscon"; + reg = <0x0 0x1000>; + resets = <&syscon ASPEED_RESET_I3C_DMA>; + }; + }; +... \ No newline at end of file -- 2.43.0