From patchwork Mon Jan 22 11:04:45 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: 13525209 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 8D951C47DD3 for ; Mon, 22 Jan 2024 11:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=F+rVyIg9Y01mIJ0Rk3ADJG+lVlxChFNByeRP9dMw1Bk=; b=EjEieDr9DCMXKn vLCKD2gAFQwC7i4pXjyz4TLVvH+iA7A/kYUORUjGuFmU9ZFmrCwSFVulUM5KDZCIvebV3kAI4R13P D7au8MM5bpyZwEjppompXsbhmy0YO6uJFFwpT3bMGzz4EXlp4RW6KpD0k6od3T1YRW62q5VChLc4F P5Ax3zHMjWOZwfimgHdnoBYTulAo/dvpy31ou4EzMTxHjVohgQjc8+fjGL9X7sPnwBmfGgapfTr1U yIKJthAz/iT2rbqQCBHvhPO3qwSljkTGD8EHPyRlWgF4xD4eCXfNE9MZ2jHzDmVkoEKg7M6sKNkLe /NmOrAUs6l7LV5lM7TJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rRs6t-00Be83-2u; Mon, 22 Jan 2024 11:04:59 +0000 Received: from madrid.collaboradmins.com ([46.235.227.194]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rRs6m-00Be2b-1h; Mon, 22 Jan 2024 11:04:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705921491; bh=yMBnHD84devz8pBb0bWiL0F28mWeot+MVGjDOv5Z7as=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VvvdR3TuVZS4vWvuYQdmdK8CP1wpPKQIF8euFq4l5i7BikhBLyFurr10cUH4+Df6l SVqzF2+1g7PqzCRlm4BEYuu0f3/A2RI2xg8vh5rdp5AwIqGVyUL/nL3wDj1Sj4PSeU V12KLViW5ut1e5d7CQpy89yBcvmITs5dgRWMwSBiV3LEr3dHTstAQ/kmVAU1/iaIIS hOLIvTap/Dt7+0yrr5srNXzgvPguhaleU6k4cdC15k5GquxjyW+lunSqNgJFLH8XbK fhVrIBk6A9uvs2o/r6sdoxoD6Lb5i6NfO4oav9C0xWMjPZ2fFBl02auYRiQQbHJYUX IILfIlUGrsK2A== 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 3BFA63781FE1; Mon, 22 Jan 2024 11:04:50 +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 v3 1/2] dt-bindings: usb: Introduce ITE IT5205 Alt. Mode Passive MUX Date: Mon, 22 Jan 2024 12:04:45 +0100 Message-ID: <20240122110446.140226-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122110446.140226-1-angelogioacchino.delregno@collabora.com> References: <20240122110446.140226-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240122_030452_688913_239D5420 X-CRM114-Status: GOOD ( 12.04 ) 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 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 Reviewed-by: Conor Dooley --- .../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>; + }; + }; + }; + }; +...