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From:   Greentime Hu <greentime.hu@sifive.com>
To:     greentime.hu@sifive.com, paul.walmsley@sifive.com, hes@sifive.com,
        erik.danie@sifive.com, zong.li@sifive.com, bhelgaas@google.com,
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        vidyas@nvidia.com, jh80.chung@samsung.com,
        linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-clk@vger.kernel.org, helgaas@kernel.org
Cc:     Palmer Dabbelt <palmerdabbelt@google.com>
Subject: [PATCH v5 6/6] riscv: dts: Add PCIe support for the SiFive FU740-C000 SoC
Date:   Tue,  6 Apr 2021 17:26:34 +0800
Message-Id: <20210406092634.50465-7-greentime.hu@sifive.com>
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Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
---
 arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
index d1bb22b11920..b2317c8e3a80 100644
--- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
@@ -158,6 +158,7 @@ prci: clock-controller@10000000 {
 			reg = <0x0 0x10000000 0x0 0x1000>;
 			clocks = <&hfclk>, <&rtcclk>;
 			#clock-cells = <1>;
+			#reset-cells = <1>;
 		};
 		uart0: serial@10010000 {
 			compatible = "sifive,fu740-c000-uart", "sifive,uart0";
@@ -288,5 +289,37 @@ gpio: gpio@10060000 {
 			clocks = <&prci PRCI_CLK_PCLK>;
 			status = "disabled";
 		};
+		pcie@e00000000 {
+			compatible = "sifive,fu740-pcie";
+			#address-cells = <3>;
+			#size-cells = <2>;
+			#interrupt-cells = <1>;
+			reg = <0xe 0x00000000 0x0 0x80000000>,
+			      <0xd 0xf0000000 0x0 0x10000000>,
+			      <0x0 0x100d0000 0x0 0x1000>;
+			reg-names = "dbi", "config", "mgmt";
+			device_type = "pci";
+			dma-coherent;
+			bus-range = <0x0 0xff>;
+			ranges = <0x81000000  0x0 0x60080000  0x0 0x60080000 0x0 0x10000>,      /* I/O */
+				 <0x82000000  0x0 0x60090000  0x0 0x60090000 0x0 0xff70000>,    /* mem */
+				 <0x82000000  0x0 0x70000000  0x0 0x70000000 0x0 0x1000000>,    /* mem */
+				 <0xc3000000 0x20 0x00000000 0x20 0x00000000 0x20 0x00000000>;  /* mem prefetchable */
+			num-lanes = <0x8>;
+			interrupts = <56>, <57>, <58>, <59>, <60>, <61>, <62>, <63>, <64>;
+			interrupt-names = "msi", "inta", "intb", "intc", "intd";
+			interrupt-parent = <&plic0>;
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <0x0 0x0 0x0 0x1 &plic0 57>,
+					<0x0 0x0 0x0 0x2 &plic0 58>,
+					<0x0 0x0 0x0 0x3 &plic0 59>,
+					<0x0 0x0 0x0 0x4 &plic0 60>;
+			clock-names = "pcie_aux";
+			clocks = <&prci PRCI_CLK_PCIE_AUX>;
+			pwren-gpios = <&gpio 5 0>;
+			reset-gpios = <&gpio 8 0>;
+			resets = <&prci 4>;
+			status = "okay";
+		};
 	};
 };
-- 
2.30.2