ARM: dts: imx: Add dummy PHYs for HSIC-only USB controllers

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@kontron.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index ae94113..6d827b6 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -140,6 +140,16 @@
                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>;
@@ -984,6 +994,8 @@
                                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>;
@@ -997,6 +1009,8 @@
                                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 557d3fd..97e49aa 100644 (file)
--- 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>;
@@ -814,6 +819,8 @@
                                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 7f30228..5426267 100644 (file)
--- 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>;