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arm64: tegra: Add Tegra234 PCIe C4 EP definition

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Add PCIe C4 EP controller definition in device tree for Tegra234
devices.

Signed-off-by: Vedant Deshpande <vedantd@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Vedant Deshpande 2024-08-16 18:43:47 +00:00 committed by Thierry Reding
parent ebe899563a
commit 0580286d0d
1 changed files with 31 additions and 0 deletions
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31
arch/arm64/boot/dts/nvidia/tegra234.dtsi
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@ -4842,6 +4842,37 @@
status = "disabled";
};
pcie-ep@14160000 {
compatible = "nvidia,tegra234-pcie-ep";
power-domains = <&bpmp TEGRA234_POWER_DOMAIN_PCIEX4BB>;
reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */
0x00 0x36040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
0x00 0x36080000 0x0 0x00040000 /* DBI space (256K) */
0x21 0x40000000 0x3 0x00000000>; /* Address Space (12G) */
reg-names = "appl", "atu_dma", "dbi", "addr_space";
num-lanes = <4>;
clocks = <&bpmp TEGRA234_CLK_PEX0_C4_CORE>;
clock-names = "core";
resets = <&bpmp TEGRA234_RESET_PEX0_CORE_4_APB>,
<&bpmp TEGRA234_RESET_PEX0_CORE_4>;
reset-names = "apb", "core";
interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
interrupt-names = "intr";
nvidia,bpmp = <&bpmp 4>;
nvidia,enable-ext-refclk;
nvidia,aspm-cmrt-us = <60>;
nvidia,aspm-pwr-on-t-us = <20>;
nvidia,aspm-l0s-entrance-latency-us = <3>;
interconnects = <&mc TEGRA234_MEMORY_CLIENT_PCIE4R &emc>,
<&mc TEGRA234_MEMORY_CLIENT_PCIE4W &emc>;
interconnect-names = "dma-mem", "write";
iommus = <&smmu_niso0 TEGRA234_SID_PCIE4>;
dma-coherent;
status = "disabled";
};
pcie@14180000 {
compatible = "nvidia,tegra234-pcie";
power-domains = <&bpmp TEGRA234_POWER_DOMAIN_PCIEX4BA>;