Add initial support for the SiFive FU540-C000 SoC. FU740-C000 is built
around the SiFIve U7 Core Complex and a TileLink interconnect.

This file is expected to grow as more device drivers are added to the
kernel.

Signed-off-by: Yash Shah <yash.s...@sifive.com>
---
 arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 293 +++++++++++++++++++++++++++++
 1 file changed, 293 insertions(+)
 create mode 100644 arch/riscv/boot/dts/sifive/fu740-c000.dtsi

diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi 
b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
new file mode 100644
index 0000000..eeb4f8c3
--- /dev/null
+++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
@@ -0,0 +1,293 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* Copyright (c) 2020 SiFive, Inc */
+
+/dts-v1/;
+
+#include <dt-bindings/clock/sifive-fu740-prci.h>
+
+/ {
+       #address-cells = <2>;
+       #size-cells = <2>;
+       compatible = "sifive,fu740-c000", "sifive,fu740";
+
+       aliases {
+               serial0 = &uart0;
+               serial1 = &uart1;
+               ethernet0 = &eth0;
+       };
+
+       chosen {
+       };
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               cpu0: cpu@0 {
+                       compatible = "sifive,bullet0", "riscv";
+                       device_type = "cpu";
+                       i-cache-block-size = <64>;
+                       i-cache-sets = <128>;
+                       i-cache-size = <16384>;
+                       next-level-cache = <&ccache>;
+                       reg = <0x0>;
+                       riscv,isa = "rv64imac";
+                       status = "disabled";
+                       cpu0_intc: interrupt-controller {
+                               #interrupt-cells = <1>;
+                               compatible = "riscv,cpu-intc";
+                               interrupt-controller;
+                       };
+               };
+               cpu1: cpu@1 {
+                       compatible = "sifive,bullet0", "riscv";
+                       d-cache-block-size = <64>;
+                       d-cache-sets = <64>;
+                       d-cache-size = <32768>;
+                       d-tlb-sets = <1>;
+                       d-tlb-size = <40>;
+                       device_type = "cpu";
+                       i-cache-block-size = <64>;
+                       i-cache-sets = <128>;
+                       i-cache-size = <32768>;
+                       i-tlb-sets = <1>;
+                       i-tlb-size = <40>;
+                       mmu-type = "riscv,sv39";
+                       next-level-cache = <&ccache>;
+                       reg = <0x1>;
+                       riscv,isa = "rv64imafdc";
+                       tlb-split;
+                       cpu1_intc: interrupt-controller {
+                               #interrupt-cells = <1>;
+                               compatible = "riscv,cpu-intc";
+                               interrupt-controller;
+                       };
+               };
+               cpu2: cpu@2 {
+                       compatible = "sifive,bullet0", "riscv";
+                       d-cache-block-size = <64>;
+                       d-cache-sets = <64>;
+                       d-cache-size = <32768>;
+                       d-tlb-sets = <1>;
+                       d-tlb-size = <40>;
+                       device_type = "cpu";
+                       i-cache-block-size = <64>;
+                       i-cache-sets = <128>;
+                       i-cache-size = <32768>;
+                       i-tlb-sets = <1>;
+                       i-tlb-size = <40>;
+                       mmu-type = "riscv,sv39";
+                       next-level-cache = <&ccache>;
+                       reg = <0x2>;
+                       riscv,isa = "rv64imafdc";
+                       tlb-split;
+                       cpu2_intc: interrupt-controller {
+                               #interrupt-cells = <1>;
+                               compatible = "riscv,cpu-intc";
+                               interrupt-controller;
+                       };
+               };
+               cpu3: cpu@3 {
+                       compatible = "sifive,bullet0", "riscv";
+                       d-cache-block-size = <64>;
+                       d-cache-sets = <64>;
+                       d-cache-size = <32768>;
+                       d-tlb-sets = <1>;
+                       d-tlb-size = <40>;
+                       device_type = "cpu";
+                       i-cache-block-size = <64>;
+                       i-cache-sets = <128>;
+                       i-cache-size = <32768>;
+                       i-tlb-sets = <1>;
+                       i-tlb-size = <40>;
+                       mmu-type = "riscv,sv39";
+                       next-level-cache = <&ccache>;
+                       reg = <0x3>;
+                       riscv,isa = "rv64imafdc";
+                       tlb-split;
+                       cpu3_intc: interrupt-controller {
+                               #interrupt-cells = <1>;
+                               compatible = "riscv,cpu-intc";
+                               interrupt-controller;
+                       };
+               };
+               cpu4: cpu@4 {
+                       compatible = "sifive,bullet0", "riscv";
+                       d-cache-block-size = <64>;
+                       d-cache-sets = <64>;
+                       d-cache-size = <32768>;
+                       d-tlb-sets = <1>;
+                       d-tlb-size = <40>;
+                       device_type = "cpu";
+                       i-cache-block-size = <64>;
+                       i-cache-sets = <128>;
+                       i-cache-size = <32768>;
+                       i-tlb-sets = <1>;
+                       i-tlb-size = <40>;
+                       mmu-type = "riscv,sv39";
+                       next-level-cache = <&ccache>;
+                       reg = <0x4>;
+                       riscv,isa = "rv64imafdc";
+                       tlb-split;
+                       cpu4_intc: interrupt-controller {
+                               #interrupt-cells = <1>;
+                               compatible = "riscv,cpu-intc";
+                               interrupt-controller;
+                       };
+               };
+       };
+       soc {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               compatible = "simple-bus";
+               ranges;
+               plic0: interrupt-controller@c000000 {
+                       #interrupt-cells = <1>;
+                       #address-cells = <0>;
+                       compatible = "sifive,fu540-c000-plic", 
"sifive,plic-1.0.0";
+                       reg = <0x0 0xc000000 0x0 0x4000000>;
+                       riscv,ndev = <69>;
+                       interrupt-controller;
+                       interrupts-extended = <
+                               &cpu0_intc 0xffffffff
+                               &cpu1_intc 0xffffffff &cpu1_intc 9
+                               &cpu2_intc 0xffffffff &cpu2_intc 9
+                               &cpu3_intc 0xffffffff &cpu3_intc 9
+                               &cpu4_intc 0xffffffff &cpu4_intc 9>;
+               };
+               prci: clock-controller@10000000 {
+                       compatible = "sifive,fu740-c000-prci";
+                       reg = <0x0 0x10000000 0x0 0x1000>;
+                       clocks = <&hfclk>, <&rtcclk>;
+                       #clock-cells = <1>;
+               };
+               uart0: serial@10010000 {
+                       compatible = "sifive,fu740-c000-uart", "sifive,uart0";
+                       reg = <0x0 0x10010000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <39>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       status = "disabled";
+               };
+               uart1: serial@10011000 {
+                       compatible = "sifive,fu740-c000-uart", "sifive,uart0";
+                       reg = <0x0 0x10011000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <40>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       status = "disabled";
+               };
+               i2c0: i2c@10030000 {
+                       compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
+                       reg = <0x0 0x10030000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <52>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       reg-shift = <2>;
+                       reg-io-width = <1>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+               i2c1: i2c@10031000 {
+                       compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
+                       reg = <0x0 0x10031000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <53>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       reg-shift = <2>;
+                       reg-io-width = <1>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+               qspi0: spi@10040000 {
+                       compatible = "sifive,fu740-c000-spi", "sifive,spi0";
+                       reg = <0x0 0x10040000 0x0 0x1000>,
+                             <0x0 0x20000000 0x0 0x10000000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <41>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+               qspi1: spi@10041000 {
+                       compatible = "sifive,fu740-c000-spi", "sifive,spi0";
+                       reg = <0x0 0x10041000 0x0 0x1000>,
+                             <0x0 0x30000000 0x0 0x10000000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <42>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+               spi0: spi@10050000 {
+                       compatible = "sifive,fu740-c000-spi", "sifive,spi0";
+                       reg = <0x0 0x10050000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <43>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+               eth0: ethernet@10090000 {
+                       compatible = "sifive,fu540-c000-gem";
+                       interrupt-parent = <&plic0>;
+                       interrupts = <55>;
+                       reg = <0x0 0x10090000 0x0 0x2000>,
+                             <0x0 0x100a0000 0x0 0x1000>;
+                       local-mac-address = [00 00 00 00 00 00];
+                       clock-names = "pclk", "hclk";
+                       clocks = <&prci PRCI_CLK_GEMGXLPLL>,
+                                <&prci PRCI_CLK_GEMGXLPLL>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+               pwm0: pwm@10020000 {
+                       compatible = "sifive,fu740-c000-pwm", "sifive,pwm0";
+                       reg = <0x0 0x10020000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <44>, <45>, <46>, <47>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       #pwm-cells = <3>;
+                       status = "disabled";
+               };
+               pwm1: pwm@10021000 {
+                       compatible = "sifive,fu740-c000-pwm", "sifive,pwm0";
+                       reg = <0x0 0x10021000 0x0 0x1000>;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <48>, <49>, <50>, <51>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       #pwm-cells = <3>;
+                       status = "disabled";
+               };
+               ccache: cache-controller@2010000 {
+                       compatible = "sifive,fu740-c000-ccache", "cache";
+                       cache-block-size = <64>;
+                       cache-level = <2>;
+                       cache-sets = <2048>;
+                       cache-size = <2097152>;
+                       cache-unified;
+                       interrupt-parent = <&plic0>;
+                       interrupts = <19 20 21 22>;
+                       reg = <0x0 0x2010000 0x0 0x1000>;
+               };
+               gpio: gpio@10060000 {
+                       compatible = "sifive,fu740-c000-gpio", "sifive,gpio0";
+                       interrupt-parent = <&plic0>;
+                       interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>,
+                                    <30>, <31>, <32>, <33>, <34>, <35>, <36>,
+                                    <37>, <38>;
+                       reg = <0x0 0x10060000 0x0 0x1000>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
+                       clocks = <&prci PRCI_CLK_PCLK>;
+                       status = "disabled";
+               };
+       };
+};
-- 
2.7.4

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