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dt-bindings: phy: tegra20-usb-phy: Document properties needed for OTG…
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In order to support OTG mode we need these new properties:

	- interrupt
	- nvidia,pmc

Add the new properties to the binding.

Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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digetx authored and gregkh committed Oct 5, 2021
1 parent 6941d19 commit 7557c1b
Showing 1 changed file with 16 additions and 0 deletions.
16 changes: 16 additions & 0 deletions Documentation/devicetree/bindings/phy/nvidia,tegra20-usb-phy.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,9 @@ properties:
- const: timer
- const: utmi-pads

interrupts:
maxItems: 1

resets:
oneOf:
- maxItems: 1
Expand Down Expand Up @@ -199,6 +202,15 @@ properties:
maxItems: 1
description: GPIO used to reset the PHY.

nvidia,pmc:
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
- items:
- description: Phandle to Power Management controller.
- description: USB controller ID.
description:
Phandle to Power Management controller.

required:
- compatible
- reg
Expand Down Expand Up @@ -320,6 +332,7 @@ examples:
compatible = "nvidia,tegra124-usb-phy", "nvidia,tegra30-usb-phy";
reg = <0x7d008000 0x4000>,
<0x7d000000 0x4000>;
interrupts = <0 97 4>;
phy_type = "utmi";
clocks = <&tegra_car TEGRA124_CLK_USB3>,
<&tegra_car TEGRA124_CLK_PLL_U>,
Expand All @@ -338,6 +351,7 @@ examples:
nvidia,hssquelch-level = <2>;
nvidia,hsdiscon-level = <5>;
nvidia,xcvr-hsslew = <12>;
nvidia,pmc = <&tegra_pmc 2>;
};
- |
Expand All @@ -346,6 +360,7 @@ examples:
usb-phy@c5004000 {
compatible = "nvidia,tegra20-usb-phy";
reg = <0xc5004000 0x4000>;
interrupts = <0 21 4>;
phy_type = "ulpi";
clocks = <&tegra_car TEGRA20_CLK_USB2>,
<&tegra_car TEGRA20_CLK_PLL_U>,
Expand All @@ -354,4 +369,5 @@ examples:
resets = <&tegra_car 58>, <&tegra_car 22>;
reset-names = "usb", "utmi-pads";
#phy-cells = <0>;
nvidia,pmc = <&tegra_pmc 1>;
};

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