dt-bindings: phy: qcom,sa8775p-dwmac-sgmii-phy: add named voltage rails and deprecate phy-supply

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The Qualcomm SGMII SerDes PHY has two distinct voltage supply rails,
vdda-0p9 and vdda-1p2. The binding incorrectly described only a single
generic supply via 'phy-supply'.

Deprecate 'phy-supply' and instead add two named supply properties. The
0.9V rail draws a peak current of 46 mA and the 1.2V rail draws 15 mA.

Fixes: 97b7951257 ("dt-bindings: phy: describe the Qualcomm SGMII PHY")
Signed-off-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20260804-b4-sgmiieth_serdes_regulator-v2-1-c4bc688177dd@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Mohd Ayaan Anwar 2026-08-04 00:57:57 +05:30 • committed by Vinod Koul

parent 4b04c8779a

commit 3719850f1b

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Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml

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