From patchwork Fri Jan 19 10:45:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13523572 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 7278A3D393; Fri, 19 Jan 2024 10:46:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705661168; cv=none; b=V3s+E93iy7J978+BF+iil1zMgFsrRA3Rn8mm3wSXUGHA5ISQnXn0dbN82UnuIuovhTeVlZFa6xST6o8zqHaoayTuzOW1ZTgxPTz02LYlw21ry356vtsfhvI+JKVV2ZICLjf3eerBkyxTe9SVBB3k1iprjpvX72R8CotQBOpSn1o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705661168; c=relaxed/simple; bh=yMBnHD84devz8pBb0bWiL0F28mWeot+MVGjDOv5Z7as=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GQxG9/qKgIaMulevMROLzq/l78MIdXheqQqGQdJ8ugAca/GmDXb6V6Mn1tRvMFkc723MD2NvK4C2j4CO8uMWybwyxEX6wLtPZtiE+EBakTsRTlxIE52dLCPL1Jv3UMxGr2amxQTOJqMmirtwC3HOU1VjYOmhL0ZSN4Cb4MwWQPs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=4Shbc6VR; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="4Shbc6VR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705661158; bh=yMBnHD84devz8pBb0bWiL0F28mWeot+MVGjDOv5Z7as=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=4Shbc6VRqhEa23YWSU8byPvUmRnm4h/gsWjKVJhGi4eNs0oVeQXY19FIolPUAkJZS D8hkRHxuIAD44Cblwc1NDspTmtaWc5wiABxeT4KHJQd7fCBmoietIgWiSRARDi2ZgO yxSuCne0OPu0K93fPILgjxmmT+6D15aCmQIzNM9fAnmOrEyYIb0/AVw1+su1Kqc3IY nnXnuRb5Xl1kMBDvy31HhqzdzfwcD3jBEXUsF1M9uKyNl/Rnmco32CeHZyUPZQHCx+ ClE/mvHn4RWZ7PP4ChBtaRvDDHpVwPKVA/2BhyocRzHwR2H5zWhOPBSyirf2Evm8c1 HjEDlonA0/tpw== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 7E00A378207E; Fri, 19 Jan 2024 10:45:57 +0000 (UTC) From: AngeloGioacchino Del Regno To: gregkh@linuxfoundation.org Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, heikki.krogerus@linux.intel.com, matthias.bgg@gmail.com, dmitry.baryshkov@linaro.org, neil.armstrong@linaro.org, andersson@kernel.org, nathan@kernel.org, luca.weiss@fairphone.com, tianping.fang@mediatek.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, AngeloGioacchino Del Regno Subject: [PATCH 1/2] dt-bindings: usb: Introduce ITE IT5205 Alt. Mode Passive MUX Date: Fri, 19 Jan 2024 11:45:49 +0100 Message-ID: <20240119104550.140061-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240119104550.140061-1-angelogioacchino.delregno@collabora.com> References: <20240119104550.140061-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Introduce a binding for the ITE IT5205 Alternate Mode Passive MUX, used for connecting, disconnecting and switching orientation and control the SBU signals for alternate modes on USB Type-C ports. Signed-off-by: AngeloGioacchino Del Regno --- .../devicetree/bindings/usb/ite,it5205.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ite,it5205.yaml diff --git a/Documentation/devicetree/bindings/usb/ite,it5205.yaml b/Documentation/devicetree/bindings/usb/ite,it5205.yaml new file mode 100644 index 000000000000..36ec4251b5f2 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ite,it5205.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/ite,it5205.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ITE IT5202 Type-C USB Alternate Mode Passive MUX + +maintainers: + - AngeloGioacchino Del Regno + - Tianping Fang + +properties: + compatible: + const: ite,it5205 + + reg: + maxItems: 1 + + vcc-supply: + description: Power supply for VCC pin (3.3V) + + mode-switch: + description: Flag the port as possible handle of altmode switching + type: boolean + + orientation-switch: + description: Flag the port as possible handler of orientation switching + type: boolean + + ite,ovp-enable: + description: Enable Over Voltage Protection functionality + type: boolean + + port: + $ref: /schemas/graph.yaml#/properties/port + description: + A port node to link the IT5205 to a TypeC controller for the purpose of + handling altmode muxing and orientation switching. + +required: + - compatible + - reg + - orientation-switch + - port + +additionalProperties: false + +examples: + - | + #include + i2c2 { + #address-cells = <1>; + #size-cells = <0>; + + typec-mux@48 { + compatible = "ite,it5205"; + reg = <0x48>; + + mode-switch; + orientation-switch; + + vcc-supply = <&mt6359_vibr_ldo_reg>; + + port { + it5205_usbss_sbu: endpoint { + remote-endpoint = <&typec_controller>; + }; + }; + }; + }; +...