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dt-bindings: reset: renesas,rzv2h-usb2phy: Add '#mux-state-cells' property

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Add the '#mux-state-cells' property to support describing the USB VBUS_SEL
multiplexer as a mux-controller in the Renesas RZ/V2H(P) USB2PHY binding.

The mux-controller cannot be integrated into the parent USB2PHY node
because the VBUS source selector is part of a separate hardware block,
not the USB2PHY block itself.

This is required to properly configure USB PHY power selection on
RZ/V2H(P) and RZ/G3E SoCs.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Tommaso Merciai 2026-04-01 17:16:08 +02:00 committed by Philipp Zabel
parent ccef9ef0aa
commit 6a1b6f7e56
1 changed files with 5 additions and 0 deletions
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5
Documentation/devicetree/bindings/reset/renesas,rzv2h-usb2phy-reset.yaml
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@ -37,6 +37,9 @@ properties:
'#reset-cells': '#reset-cells':
const: 0 const: 0
'#mux-state-cells':
const: 1
required: required:
- compatible - compatible
- reg - reg
@ -44,6 +47,7 @@ required:
- resets - resets
- power-domains - power-domains
- '#reset-cells' - '#reset-cells'
- '#mux-state-cells'
additionalProperties: false additionalProperties: false
@ -58,4 +62,5 @@ examples:
resets = <&cpg 0xaf>; resets = <&cpg 0xaf>;
power-domains = <&cpg>; power-domains = <&cpg>;
#reset-cells = <0>; #reset-cells = <0>;
#mux-state-cells = <1>;
}; };