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Mon, 11 Dec 2023 10:56:26 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 11 Dec 2023 10:56:26 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , , , , , , Macpaul Lin Subject: [PATCH v2 1/2] dt-bindings: phy: mediatek: tphy: add a property for force-mode switch Date: Mon, 11 Dec 2023 10:56:23 +0800 Message-ID: <20231211025624.28991-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--11.360500-8.000000 X-TMASE-MatchedRID: RRfbWjdhZrr4Q348LKfXOO7KTDtx8CggtjHGWON8yeP9Ez/5IpHqp/pZ jWQiqBlh8/nBmhGQ+G7kiLqWsGi3RpShxRaS8Dn10FfSApnujPiAfODDLypXmtzOQo7mTgA+FVk w4X07kmjaFM5TPGLdCHBSByhCpcr+QdZuZ42vrpFu4W5gEinK6fMfibAjlaopIZUd3wirJi2jxY yRBa/qJcFwgTvxipFajoczmuoPCq0+xoUgd8obQZ05FFJdMwGG0mrAuei0ALC9AvG/HBY0xoHcO amUia0t X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--11.360500-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 10541A3B766F5DABAF750EE74B7A1B24E217417B7A2FC9C7B112FDA6E978F3FF2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231210_190637_585872_E098D665 X-CRM114-Status: GOOD ( 10.12 ) 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 Due to some old SoCs with shared t-phy between usb3 and pcie only support force-mode switch, and shared and non-shared t-phy may exist at the same time on a SoC, can't use compatible to distinguish between shared and non-shared t-phy, add a property to supported it. Currently, only support switch from default pcie mode to usb3 mode. But now prefer to use "mediatek,syscon-type" on new SoC as far as possible. Signed-off-by: Chunfeng Yun Acked-by: Krzysztof Kozlowski --- v2: modify commit message, and property description --- Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index 2bb91542e984..acba0720125d 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -235,6 +235,15 @@ patternProperties: Specify the flag to enable BC1.2 if support it type: boolean + mediatek,force-mode: + description: + The force mode is used to manually switch the shared phy mode between + USB3 and PCIe, when USB3 phy type is selected by the consumer, and + force-mode is set, will cause phy's power and pipe toggled and force + phy as USB3 mode which switched from default PCIe mode. But perfer to + use the property "mediatek,syscon-type" for newer SoCs that support it. + type: boolean + mediatek,syscon-type: $ref: /schemas/types.yaml#/definitions/phandle-array maxItems: 1