diff options
| author | Macpaul Lin <macpaul.lin@mediatek.com> | 2024-10-12 11:50:16 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-10-17 20:26:07 +0530 |
| commit | 2ac03d0811b94c2397d5ec3c82a65a112aeab5b0 (patch) | |
| tree | f3eafa878fba8d075fe80fb49cba7f1e5dc07023 | |
| parent | 3f12bf16213c30d8e645027efd94a19c13ee0253 (diff) | |
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 <macpaul.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241012035016.17667-1-macpaul.lin@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 10 |
1 files changed, 10 insertions, 0 deletions
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: $ref: /schemas/types.yaml#/definitions/uint32 default: 28 + power-domains: + description: + The TPHY of MediaTek should exist within a power domain. The + developer should be aware that the hardware design of MediaTek TPHY + does not require the addition of MTCMOS. If the power to the TPHY + is turned off, it will impact other functions. From the current + perspective of USB hardware design, even if MTCMOS is added to the + TPHY, it should remain always on. + maxItems: 1 + # Required child node: patternProperties: "^(usb|pcie|sata)-phy@[0-9a-f]+$": |