ARM: dts: imx7s: Add power domain for imx7d HSIC

Otherwise, the system will hang if USB driver try to access
portsc register.

Cc: André Draszik <git@andred.net>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 1b812f4..139ab9b 100644 (file)
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -658,6 +658,12 @@
                                                reg = <1>;
                                                power-supply = <&reg_1p0d>;
                                        };
+
+                                       pgc_hsic_phy: power-domain@2 {
+                                               #power-domain-cells = <0>;
+                                               reg = <2>;
+                                               power-supply = <&reg_1p2>;
+                                       };
                                };
                        };
                };
@@ -1101,6 +1107,7 @@
                                compatible = "fsl,imx7d-usb", "fsl,imx27-usb";
                                reg = <0x30b30000 0x200>;
                                interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+                               power-domains = <&pgc_hsic_phy>;
                                clocks = <&clks IMX7D_USB_CTRL_CLK>;
                                fsl,usbphy = <&usbphynop3>;
                                fsl,usbmisc = <&usbmisc3 0>;