This commit enables XUSB host and pad controller in Tegra194
P2972-0000 board.

Signed-off-by: JC Kuo <jc...@nvidia.com>
---
Changes in v4: none
Changes in v3: none
Changes in v2:
- use capitalization of regulator names
- fix gpio property of VDD_5V_SATA regulator

 .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 36 ++++++++++-
 .../boot/dts/nvidia/tegra194-p2972-0000.dts   | 62 +++++++++++++++++++
 2 files changed, 97 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi 
b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 4c38426a6969..e7d5e8a30f93 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -66,6 +66,29 @@
                        vmmc-supply = <&vdd_emmc_3v3>;
                };
 
+               padctl@3520000 {
+                       avdd-usb-supply = <&vdd_usb_3v3>;
+                       vclamp-usb-supply = <&vdd_1v8ao>;
+
+                       ports {
+                               usb2-1 {
+                                       vbus-supply = <&vdd_5v0_sys>;
+                               };
+
+                               usb2-3 {
+                                       vbus-supply = <&vdd_5v_sata>;
+                               };
+
+                               usb3-0 {
+                                       vbus-supply = <&vdd_5v0_sys>;
+                               };
+
+                               usb3-3 {
+                                       vbus-supply = <&vdd_5v0_sys>;
+                               };
+                       };
+               };
+
                rtc@c2a0000 {
                        status = "okay";
                };
@@ -229,7 +252,7 @@
                                                regulator-max-microvolt = 
<3300000>;
                                        };
 
-                                       ldo5 {
+                                       vdd_usb_3v3: ldo5 {
                                                regulator-name = "VDD_USB_3V3";
                                                regulator-min-microvolt = 
<3300000>;
                                                regulator-max-microvolt = 
<3300000>;
@@ -313,5 +336,16 @@
                        regulator-boot-on;
                        enable-active-low;
                };
+
+               vdd_5v_sata: regulator@4 {
+                       compatible = "regulator-fixed";
+                       reg = <4>;
+
+                       regulator-name = "VDD_5V_SATA";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 1) 
GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+               };
        };
 };
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts 
b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index d47cd8c4dd24..b60eef64c487 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -62,6 +62,68 @@
                                                         GPIO_ACTIVE_LOW>;
                        };
                };
+               padctl@3520000 {
+                       status = "okay";
+
+                       pads {
+                               usb2 {
+                                       lanes {
+                                               usb2-1 {
+                                                       status = "okay";
+                                               };
+
+                                               usb2-3 {
+                                                       status = "okay";
+                                               };
+                                       };
+                               };
+
+                               usb3 {
+                                       lanes {
+                                               usb3-0 {
+                                                       status = "okay";
+                                               };
+
+                                               usb3-3 {
+                                                       status = "okay";
+                                               };
+                                       };
+                               };
+                       };
+
+                       ports {
+                               usb2-1 {
+                                       mode = "host";
+                                       status = "okay";
+                               };
+
+                               usb2-3 {
+                                       mode = "host";
+                                       status = "okay";
+                               };
+
+                               usb3-0 {
+                                       nvidia,usb2-companion = <1>;
+                                       status = "okay";
+                               };
+
+                               usb3-3 {
+                                       nvidia,usb2-companion = <3>;
+                                       nvidia,disable-gen2;
+                                       status = "okay";
+                               };
+                       };
+               };
+
+               usb@3610000 {
+                       status = "okay";
+
+                       phys =  <&{/cbb/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+                               <&{/cbb/padctl@3520000/pads/usb2/lanes/usb2-3}>,
+                               <&{/cbb/padctl@3520000/pads/usb3/lanes/usb3-0}>,
+                               <&{/cbb/padctl@3520000/pads/usb3/lanes/usb3-3}>;
+                       phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3";
+               };
        };
 
        pcie@14100000 {
-- 
2.17.1

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