On Thu, Oct 18, 2018 at 09:45:04AM +0200, Frieder Schrempf wrote: > Some SOCs in the i.MX6 family have a USB host controller that is > only capable of the HSIC interface and has no on-board PHY. > > To be able to use these controllers, we need to add "usb-nop-xceiv" > dummy PHYs. > > Signed-off-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx> @Peter, looks good to you? Shawn > --- > arch/arm/boot/dts/imx6qdl.dtsi | 14 ++++++++++++++ > arch/arm/boot/dts/imx6sl.dtsi | 7 +++++++ > arch/arm/boot/dts/imx6sx.dtsi | 6 ++++++ > 3 files changed, 27 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi > index 61d2d26..d3404d1 100644 > --- a/arch/arm/boot/dts/imx6qdl.dtsi > +++ b/arch/arm/boot/dts/imx6qdl.dtsi > @@ -139,6 +139,16 @@ > interrupts = <0 94 IRQ_TYPE_LEVEL_HIGH>; > }; > > + usbphynop1: usbphynop1 { > + compatible = "usb-nop-xceiv"; > + #phy-cells = <0>; > + }; > + > + usbphynop2: usbphynop2 { > + compatible = "usb-nop-xceiv"; > + #phy-cells = <0>; > + }; > + > soc { > #address-cells = <1>; > #size-cells = <1>; > @@ -981,6 +991,8 @@ > reg = <0x02184400 0x200>; > interrupts = <0 41 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&clks IMX6QDL_CLK_USBOH3>; > + fsl,usbphy = <&usbphynop1>; > + phy_type = "hsic"; > fsl,usbmisc = <&usbmisc 2>; > dr_mode = "host"; > ahb-burst-config = <0x0>; > @@ -994,6 +1006,8 @@ > reg = <0x02184600 0x200>; > interrupts = <0 42 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&clks IMX6QDL_CLK_USBOH3>; > + fsl,usbphy = <&usbphynop2>; > + phy_type = "hsic"; > fsl,usbmisc = <&usbmisc 3>; > dr_mode = "host"; > ahb-burst-config = <0x0>; > diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi > index 7a4f5da..81edcdc 100644 > --- a/arch/arm/boot/dts/imx6sl.dtsi > +++ b/arch/arm/boot/dts/imx6sl.dtsi > @@ -110,6 +110,11 @@ > interrupts = <0 94 IRQ_TYPE_LEVEL_HIGH>; > }; > > + usbphynop1: usbphynop1 { > + compatible = "usb-nop-xceiv"; > + #phy-cells = <0>; > + }; > + > soc { > #address-cells = <1>; > #size-cells = <1>; > @@ -815,6 +820,8 @@ > reg = <0x02184400 0x200>; > interrupts = <0 40 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&clks IMX6SL_CLK_USBOH3>; > + fsl,usbphy = <&usbphynop1>; > + phy_type = "hsic"; > fsl,usbmisc = <&usbmisc 2>; > dr_mode = "host"; > ahb-burst-config = <0x0>; > diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi > index 844caa3..07ed417 100644 > --- a/arch/arm/boot/dts/imx6sx.dtsi > +++ b/arch/arm/boot/dts/imx6sx.dtsi > @@ -159,6 +159,11 @@ > interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; > }; > > + usbphynop1: usbphynop1 { > + compatible = "usb-nop-xceiv"; > + #phy-cells = <0>; > + }; > + > soc { > #address-cells = <1>; > #size-cells = <1>; > @@ -877,6 +882,7 @@ > reg = <0x02184400 0x200>; > interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&clks IMX6SX_CLK_USBOH3>; > + fsl,usbphy = <&usbphynop1>; > fsl,usbmisc = <&usbmisc 2>; > phy_type = "hsic"; > fsl,anatop = <&anatop>; > -- > 2.7.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel