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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kuCZxDfw; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC808606A332; Wed, 4 Nov 2026 07:51:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kuCZxDfw Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47A1B1F000C1; Wed, 4 Nov 2026 07:50:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793778661; bh=wib53BzBWIQ/iei6dV6vU1OpXkGrKSEW+nY3L1O5OIg=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=kuCZxDfwwPYseCHjmRpB6DbMkv90BKj1wP/P+k6wp9pXFCc3d7gpULh8ZvDONi26Z 1QubdnZHY+p7Xn5BjIX6HGpbscbtgK8sQnmh1uaWkwG5X6NXmY/IY18YW7bVkTyb5N z0TGdc2bltmyKQfEYHh7oQibC1QOlmkVlPIemf8qOiPdVMjLPWDDJ9ukexoMMZIzDM ZXNLmp0OF9yZ0CogbjG1PVlDCaQZwCAFzahPBawICH39VvjOaoG7RyOsecjXqCR4V7 QZF5umCpj2rXRh55TTqaFh1ah3TsyHwX3KlNvkq+v9Xq18XdD8u6Wc5cGE3ud91YjG nBGF0LvJCzabA== Message-ID: Date: Wed, 4 Nov 2026 08:50:53 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 1/3] dt-bindings: usb: Add CIX Sky1 USBSSP controller To: =?UTF-8?B?SG9uZ2xpYW5nIFlhbmcgKOadqOWuj+S6rik=?= , Greg Kroah-Hartman , Peter Chen , Pawel Laszczak , Roger Quadros , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , =?UTF-8?B?R2FyeSBZYW5nICjmnajmlrDkvJ8p?= , =?UTF-8?B?RnVnYW5nIER1YW4gKOauteWvjOWImik=?= Cc: "linux-usb@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , cix-kernel-upstream References: <20261103074929.1971195-1-hongliang.yang@cixtech.com> <20261103074929.1971195-2-hongliang.yang@cixtech.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 03/11/2026 08:49, Hongliang Yang (杨宏亮) wrote: > Add device tree binding for the CIX Sky1 Cadence USBSSP controller > glue layer. Each controller has an AXI bus attribute configuration > register and a controller status register. The glue registers of the > two controllers are interleaved inside a shared RCSU region, which is > represented as a simple-bus container node with an address-translating Shared region is not a simple bus. Simple bus is a simple bus, so obviously is not a shared region. > ranges property; each glue node describes its registers as offsets > inside that region. Mode strap controls are programmed through the > Sky1 S5 system controller referenced by the cix,usb-syscon phandle. > The CIX glue node wraps a Cadence USBSSP core as a child node. > > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + usb-rcsu@91c0300 { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges = <0x00 0x00000000 0x00 0x091c0300 0x00 0x150>, > + <0x00 0x091d0000 0x00 0x091d0000 0x00 0x20000>; Drop node. Not relevant. > + > + usb@14 { So this is @14 > + compatible = "cix,sky1-usbssp"; > + reg = <0x00 0x14 0x00 0x10>, > + <0x00 0x100 0x00 0x10>; > + reg-names = "axi", "status"; > + ranges; > + #address-cells = <2>; > + #size-cells = <2>; > + > + clocks = <&scmi_clk CLK_TREE_USB3A_H0_CLK_SOF>, > + <&scmi_clk CLK_TREE_USB3A_0_AXI_GATE>, > + <&scmi_clk CLK_TREE_USB3A_H0_CLK_LPM>, > + <&scmi_clk CLK_TREE_USB3A_0_APB_GATE>; > + clock-names = "sof", "axi", "lpm", "apb"; > + resets = <&src SKY1_USBC_SS2_PRST_N>, > + <&src SKY1_USBC_SS2_RST_N>; > + reset-names = "apb", "core"; > + cix,usb-syscon = <&src>; > + > + usb@91d0000 { But this is at @91d0000 You have completely fake representation of hardware. Best regards, Krzysztof