The USB controllers in the i.MX8MP are located inside the HSIO
power domain. Add the power-domains property to the DT binding
to be able to describe the hardware properly.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
index 01ab0f922ae8..3fb4feb6d3d9 100644
--- a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
@@ -71,6 +71,9 @@ properties:
description:
Power pad (PWR) polarity is active low.
+ power-domains:
+ maxItems: 1
+
# Required child node:
patternProperties:
@@ -87,12 +90,14 @@ required:
- clocks
- clock-names
- interrupts
+ - power-domains
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/power/imx8mp-power.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
usb3_0: usb@32f10100 {
compatible = "fsl,imx8mp-dwc3";
@@ -102,6 +107,7 @@ examples:
<&clk IMX8MP_CLK_USB_ROOT>;
clock-names = "hsio", "suspend";
interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_USB>;
#address-cells = <1>;
#size-cells = <1>;
dma-ranges = <0x40000000 0x40000000 0xc0000000>;
--
2.30.2
