[PATCH v2 2/2] ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and xHCI

From: Lad Prabhakar
Date: Fri Jul 17 2020 - 13:00:38 EST


Enable support for HSUSB, USB2.0 and xHCI on iWave RZ/G1H carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 42 +++++++++++++++++++++++++
1 file changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index e90aaf1c94f0..f4910e709b87 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -131,6 +131,30 @@
};
};

+&hsusb {
+ pinctrl-0 = <&usb0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&pci0 {
+ pinctrl-0 = <&usb0_pins>;
+ pinctrl-names = "default";
+ /* Disable hsusb to enable USB2.0 host mode support on J2 */
+ /* status = "okay"; */
+};
+
+&pci1 {
+ pinctrl-0 = <&usb1_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&pci2 {
+ /* Disable xhci to enable USB2.0 host mode support on J23 bottom port */
+ /* status = "okay"; */
+};
+
&pfc {
avb_pins: avb {
groups = "avb_mdio", "avb_gmii";
@@ -168,6 +192,16 @@
groups = "ssi34_ctrl", "ssi3_data", "ssi4_data";
function = "ssi";
};
+
+ usb0_pins: usb0 {
+ groups = "usb0";
+ function = "usb0";
+ };
+
+ usb1_pins: usb1 {
+ groups = "usb1_pwen";
+ function = "usb1";
+ };
};

&rcar_sound {
@@ -222,3 +256,11 @@
&ssi4 {
shared-pin;
};
+
+&usbphy {
+ status = "okay";
+};
+
+&xhci {
+ status = "okay";
+};
--
2.17.1