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Message-Id: <20200422095039.168075761@linuxfoundation.org>
Date: Wed, 22 Apr 2020 11:56:45 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Vidya Sagar <vidyas@...dia.com>,
Thierry Reding <treding@...dia.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 044/118] arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
From: Vidya Sagar <vidyas@...dia.com>
[ Upstream commit 0c988b731e6430f0081991fdb4f63f7fc837df9a ]
Add endpoint mode controllers nodes for the dual mode PCIe controllers
present in Tegra194 SoC.
Signed-off-by: Vidya Sagar <vidyas@...dia.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 99 ++++++++++++++++++++++++
1 file changed, 99 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 3c0cf54f0aab3..57adcbb7352d6 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1430,6 +1430,105 @@
0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
};
+ pcie_ep@...60000 {
+ compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
+ power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>;
+ reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */
+ 0x00 0x36040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
+ 0x00 0x36080000 0x0 0x00040000 /* DBI reg space (256K) */
+ 0x14 0x00000000 0x4 0x00000000>; /* Address Space (16G) */
+ reg-names = "appl", "atu_dma", "dbi", "addr_space";
+
+ status = "disabled";
+
+ num-lanes = <4>;
+ num-ib-windows = <2>;
+ num-ob-windows = <8>;
+
+ clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_4>;
+ clock-names = "core";
+
+ resets = <&bpmp TEGRA194_RESET_PEX0_CORE_4_APB>,
+ <&bpmp TEGRA194_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,aspm-cmrt-us = <60>;
+ nvidia,aspm-pwr-on-t-us = <20>;
+ nvidia,aspm-l0s-entrance-latency-us = <3>;
+ };
+
+ pcie_ep@...80000 {
+ compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
+ power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>;
+ reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */
+ 0x00 0x38040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
+ 0x00 0x38080000 0x0 0x00040000 /* DBI reg space (256K) */
+ 0x18 0x00000000 0x4 0x00000000>; /* Address Space (16G) */
+ reg-names = "appl", "atu_dma", "dbi", "addr_space";
+
+ status = "disabled";
+
+ num-lanes = <8>;
+ num-ib-windows = <2>;
+ num-ob-windows = <8>;
+
+ clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_0>;
+ clock-names = "core";
+
+ resets = <&bpmp TEGRA194_RESET_PEX0_CORE_0_APB>,
+ <&bpmp TEGRA194_RESET_PEX0_CORE_0>;
+ reset-names = "apb", "core";
+
+ interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
+ interrupt-names = "intr";
+
+ nvidia,bpmp = <&bpmp 0>;
+
+ nvidia,aspm-cmrt-us = <60>;
+ nvidia,aspm-pwr-on-t-us = <20>;
+ nvidia,aspm-l0s-entrance-latency-us = <3>;
+ };
+
+ pcie_ep@...a0000 {
+ compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
+ power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>;
+ reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */
+ 0x00 0x3a040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
+ 0x00 0x3a080000 0x0 0x00040000 /* DBI reg space (256K) */
+ 0x1c 0x00000000 0x4 0x00000000>; /* Address Space (16G) */
+ reg-names = "appl", "atu_dma", "dbi", "addr_space";
+
+ status = "disabled";
+
+ num-lanes = <8>;
+ num-ib-windows = <2>;
+ num-ob-windows = <8>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&clkreq_c5_bi_dir_state>;
+
+ clocks = <&bpmp TEGRA194_CLK_PEX1_CORE_5>;
+ clock-names = "core";
+
+ resets = <&bpmp TEGRA194_RESET_PEX1_CORE_5_APB>,
+ <&bpmp TEGRA194_RESET_PEX1_CORE_5>;
+ reset-names = "apb", "core";
+
+ interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
+ interrupt-names = "intr";
+
+ nvidia,bpmp = <&bpmp 5>;
+
+ nvidia,aspm-cmrt-us = <60>;
+ nvidia,aspm-pwr-on-t-us = <20>;
+ nvidia,aspm-l0s-entrance-latency-us = <3>;
+ };
+
sysram@...00000 {
compatible = "nvidia,tegra194-sysram", "mmio-sram";
reg = <0x0 0x40000000 0x0 0x50000>;
--
2.20.1
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