Commit aed609c4 authored Mar 19, 2019 by Jonathan Neuschäfer Committed by Shawn Guo Mar 22, 2019

ARM: dts: imx50: Add PHY node for usbotg and adjust clocks



Even though the ChipIdea USB controller binding[1] doesn't specify the
properties that reference a PHY as required, the Linux driver
requires[2] such a reference.

The clock situation is like on i.MX53: The USB controller is clocked
from IMX5_CLK_USBOH3_GATE and the PHY from IMX5_CLK_USB_PHY1_GATE.

[1]: Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
[2]: Search for EINVAL in drivers/usb/chipidea/ci_hdrc_imx.c

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

parent 67814a9b

arch/arm/boot/dts/imx50.dtsi

+10 −1

Original line number	Diff line number	Diff line
		@@ -86,6 +86,14 @@
		};
		};

		usbphy0: usbphy-0 {
		compatible = "usb-nop-xceiv";
		clocks = <&clks IMX5_CLK_USB_PHY1_GATE>;
		clock-names = "main_clk";
		#phy-cells = <0>;
		status = "okay";
		};

		soc {
		#address-cells = <1>;
		#size-cells = <1>;
		@@ -197,7 +205,8 @@
		compatible = "fsl,imx50-usb", "fsl,imx27-usb";
		reg = <0x53f80000 0x0200>;
		interrupts = <18>;
		clocks = <&clks IMX5_CLK_USB_PHY1_GATE>;
		clocks = <&clks IMX5_CLK_USBOH3_GATE>;
		fsl,usbphy = <&usbphy0>;
		status = "disabled";
		};

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