arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform (84eaaf75) · Commits · 戴 / test

Add endpoint mode support for PCIe C5 controller in P2972-0000 platform with information about supplies, PHY, PERST GPIO and GPIO that controls PCIe reference clock coming from the host system. Signed-off-by:

Vidya Sagar <vidyas@nvidia.com> Signed-off-by:

Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

+18 −0

Original line number	Diff line number	Diff line
		@@ -199,6 +199,24 @@
		"p2u-5", "p2u-6", "p2u-7";
		};

		pcie_ep@141a0000 {
		status = "disabled";

		vddio-pex-ctl-supply = <&vdd_1v8ao>;

		reset-gpios = <&gpio TEGRA194_MAIN_GPIO(GG, 1) GPIO_ACTIVE_LOW>;

		nvidia,refclk-select-gpios = <&gpio_aon TEGRA194_AON_GPIO(AA, 5)
		GPIO_ACTIVE_HIGH>;

		phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
		<&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,
		<&p2u_nvhs_6>, <&p2u_nvhs_7>;

		phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4",
		"p2u-5", "p2u-6", "p2u-7";
		};

		fan: fan {
		compatible = "pwm-fan";
		pwms = <&pwm4 0 45334>;

Admin message