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    Subject[PATCH v3 7/7] arm64: tegra: Enable XUSB host in P2972-0000 board
    Date
    This commit enables XUSB host and pad controller in Tegra194
    P2972-0000 board.

    Signed-off-by: JC Kuo <jckuo@nvidia.com>
    ---
    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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