From: Macpaul Lin Date: Sat, 12 Oct 2024 03:50:16 +0000 (+0800) Subject: dt-bindings: phy: mediatek: tphy: add a property for power-domains X-Git-Tag: microblaze-v6.16~515^2~25 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=2ac03d0811b94c2397d5ec3c82a65a112aeab5b0;p=linux-2.6-microblaze.git dt-bindings: phy: mediatek: tphy: add a property for power-domains Include the MediaTek TPHY in a power domain. Add the 'power-domains' property in the Device Tree (DT) Schema and set 'maxItems: 1'. Also, include a reminder in the description of the 'power-domains' property. Signed-off-by: Macpaul Lin Reviewed-by: AngeloGioacchino Del Regno Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20241012035016.17667-1-macpaul.lin@mediatek.com Signed-off-by: Vinod Koul --- diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index 423b7c4e62f2..6be3aa4557e5 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -125,6 +125,16 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 28 + power-domains: + description: + The TPHY of MediaTek should exist within a power domain. The + developer should be aware that the hardware design of MediaTek TPHY + does not require the addition of MTCMOS. If the power to the TPHY + is turned off, it will impact other functions. From the current + perspective of USB hardware design, even if MTCMOS is added to the + TPHY, it should remain always on. + maxItems: 1 + # Required child node: patternProperties: "^(usb|pcie|sata)-phy@[0-9a-f]+$":