ARM: tegra: add USB DT entries for Tegra30

Add device tree entries for the 3 USB controllers and PHYs and
enable the third controller on Cardhu and Beaver boards.

Fix VBUS regulator entries on Beaver. The GPIO pins were wrong.
Also, internal pullups need to be enabled on those pins.

Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

3 files changed, 115 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index 51a0ee7b0c85..4f1f01cbe135 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -110,6 +110,11 @@
                                 nvidia,pull = <0>;
                                 nvidia,tristate = <0>;
                         };
+                        pex_l1_prsnt_n_pdd4 {
+                                nvidia,pins =   "pex_l1_prsnt_n_pdd4",
+                                                "pex_l1_clkreq_n_pdd6";
+                                nvidia,pull = <2>;
+                        };
                         sdio3 {
                                 nvidia,pins = "drive_sdio3";
                                 nvidia,high-speed-mode = <0>;
@@ -119,6 +124,10 @@
                                 nvidia,slew-rate-rising = <1>;
                                 nvidia,slew-rate-falling = <1>;
                         };
+                        gpv {
+                                nvidia,pins = "drive_gpv";
+                                nvidia,pull-up-strength = <16>;
+                        };
                 };
         };
 
@@ -319,6 +328,15 @@
                 non-removable;
         };
 
+        usb@7d008000 {
+                status = "okay";
+        };
+
+        usb-phy@7d008000 {
+                vbus-supply = <&usb3_vbus_reg>;
+                status = "okay";
+        };
+
         clocks {
                 compatible = "simple-bus";
                 #address-cells = <1>;
@@ -391,7 +409,7 @@
                         regulator-min-microvolt = <5000000>;
                         regulator-max-microvolt = <5000000>;
                         enable-active-high;
-                        gpio = <&gpio TEGRA_GPIO(I, 4) GPIO_ACTIVE_HIGH>;
+                        gpio = <&gpio TEGRA_GPIO(DD, 6) GPIO_ACTIVE_HIGH>;
                         gpio-open-drain;
                         vin-supply = <&vdd_5v_in_reg>;
                 };
@@ -403,7 +421,7 @@
                         regulator-min-microvolt = <5000000>;
                         regulator-max-microvolt = <5000000>;
                         enable-active-high;
-                        gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
+                        gpio = <&gpio TEGRA_GPIO(DD, 4) GPIO_ACTIVE_HIGH>;
                         gpio-open-drain;
                         vin-supply = <&vdd_5v_in_reg>;
                 };
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 1ecd470e0c77..e19dbf238e5c 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -357,6 +357,15 @@
                 non-removable;
         };
 
+        usb@7d008000 {
+                status = "okay";
+        };
+
+        usb-phy@7d008000 {
+                vbus-supply = <&usb3_vbus_reg>;
+                status = "okay";
+        };
+
         clocks {
                 compatible = "simple-bus";
                 #address-cells = <1>;
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index d81c52e5b358..0022c127e1d9 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -631,6 +631,92 @@
                 status = "disabled";
         };
 
+        usb@7d000000 {
+                compatible = "nvidia,tegra30-ehci", "usb-ehci";
+                reg = <0x7d000000 0x4000>;
+                interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+                phy_type = "utmi";
+                clocks = <&tegra_car TEGRA30_CLK_USBD>;
+                nvidia,needs-double-reset;
+                nvidia,phy = <&phy1>;
+                status = "disabled";
+        };
+
+        phy1: usb-phy@7d000000 {
+                compatible = "nvidia,tegra30-usb-phy";
+                reg = <0x7d000000 0x4000 0x7d000000 0x4000>;
+                phy_type = "utmi";
+                clocks = <&tegra_car TEGRA30_CLK_USBD>,
+                         <&tegra_car TEGRA30_CLK_PLL_U>,
+                         <&tegra_car TEGRA30_CLK_USBD>;
+                clock-names = "reg", "pll_u", "utmi-pads";
+                nvidia,hssync-start-delay = <9>;
+                nvidia,idle-wait-delay = <17>;
+                nvidia,elastic-limit = <16>;
+                nvidia,term-range-adj = <6>;
+                nvidia,xcvr-setup = <51>;
+                nvidia.xcvr-setup-use-fuses;
+                nvidia,xcvr-lsfslew = <1>;
+                nvidia,xcvr-lsrslew = <1>;
+                nvidia,xcvr-hsslew = <32>;
+                nvidia,hssquelch-level = <2>;
+                nvidia,hsdiscon-level = <5>;
+                status = "disabled";
+        };
+
+        usb@7d004000 {
+                compatible = "nvidia,tegra30-ehci", "usb-ehci";
+                reg = <0x7d004000 0x4000>;
+                interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+                phy_type = "ulpi";
+                clocks = <&tegra_car TEGRA30_CLK_USB2>;
+                nvidia,phy = <&phy2>;
+                status = "disabled";
+        };
+
+        phy2: usb-phy@7d004000 {
+                compatible = "nvidia,tegra30-usb-phy";
+                reg = <0x7d004000 0x4000>;
+                phy_type = "ulpi";
+                clocks = <&tegra_car TEGRA30_CLK_USB2>,
+                         <&tegra_car TEGRA30_CLK_PLL_U>,
+                         <&tegra_car TEGRA30_CLK_CDEV2>;
+                clock-names = "reg", "pll_u", "ulpi-link";
+                status = "disabled";
+        };
+
+        usb@7d008000 {
+                compatible = "nvidia,tegra30-ehci", "usb-ehci";
+                reg = <0x7d008000 0x4000>;
+                interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+                phy_type = "utmi";
+                clocks = <&tegra_car TEGRA30_CLK_USB3>;
+                nvidia,phy = <&phy3>;
+                status = "disabled";
+        };
+
+        phy3: usb-phy@7d008000 {
+                compatible = "nvidia,tegra30-usb-phy";
+                reg = <0x7d008000 0x4000 0x7d000000 0x4000>;
+                phy_type = "utmi";
+                clocks = <&tegra_car TEGRA30_CLK_USB3>,
+                         <&tegra_car TEGRA30_CLK_PLL_U>,
+                         <&tegra_car TEGRA30_CLK_USBD>;
+                clock-names = "reg", "pll_u", "utmi-pads";
+                nvidia,hssync-start-delay = <0>;
+                nvidia,idle-wait-delay = <17>;
+                nvidia,elastic-limit = <16>;
+                nvidia,term-range-adj = <6>;
+                nvidia,xcvr-setup = <51>;
+                nvidia.xcvr-setup-use-fuses;
+                nvidia,xcvr-lsfslew = <2>;
+                nvidia,xcvr-lsrslew = <2>;
+                nvidia,xcvr-hsslew = <32>;
+                nvidia,hssquelch-level = <2>;
+                nvidia,hsdiscon-level = <5>;
+                status = "disabled";
+        };
+
         cpus {
                 #address-cells = <1>;
                 #size-cells = <0>;