Add PCIe C4 EP controller definition in device tree for T234 devices.
Signed-off-by: Vedant Deshpande <vedantd@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 31 ++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index f2e2d8d6845b..d41308428253 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -4840,6 +4840,37 @@ pcie@14160000 {
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>;
--
2.25.1
