riscv: dts: Split Microchip device tree

The device tree split into .dtsi and .dts files, common
device node for eMMC/SD, enable I2C1, UART1 for console
instead of UART0, enable the DDR 2GB memory and in
that 288MB memory is reserved for fabric buffer.

Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/arch/riscv/dts/microchip-mpfs.dtsi b/arch/riscv/dts/microchip-mpfs.dtsi
new file mode 100644
index 0000000..4f449a3
--- /dev/null
+++ b/arch/riscv/dts/microchip-mpfs.dtsi
@@ -0,0 +1,571 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/* Copyright (c) 2020-2021 Microchip Technology Inc */
+
+#include "dt-bindings/clock/microchip-mpfs-clock.h"
+#include "dt-bindings/interrupt-controller/microchip-mpfs-plic.h"
+#include "dt-bindings/interrupt-controller/riscv-hart.h"
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+	model = "Microchip PolarFire SoC";
+	compatible = "microchip,mpfs";
+
+	chosen {
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "sifive,e51", "sifive,rocket0", "riscv";
+			device_type = "cpu";
+			i-cache-block-size = <64>;
+			i-cache-sets = <128>;
+			i-cache-size = <16384>;
+			reg = <0>;
+			riscv,isa = "rv64imac";
+			clocks = <&clkcfg CLK_CPU>;
+			status = "disabled";
+			operating-points = <
+				/* kHz	uV */
+				600000  1100000
+				300000   950000
+				150000   750000
+			>;
+			cpu0_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+			};
+		};
+
+		cpu1: cpu@1 {
+			compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
+			d-cache-block-size = <64>;
+			d-cache-sets = <64>;
+			d-cache-size = <32768>;
+			d-tlb-sets = <1>;
+			d-tlb-size = <32>;
+			device_type = "cpu";
+			i-cache-block-size = <64>;
+			i-cache-sets = <64>;
+			i-cache-size = <32768>;
+			i-tlb-sets = <1>;
+			i-tlb-size = <32>;
+			mmu-type = "riscv,sv39";
+			reg = <1>;
+			riscv,isa = "rv64imafdc";
+			clocks = <&clkcfg CLK_CPU>;
+			tlb-split;
+			status = "okay";
+			operating-points = <
+				/* kHz	uV */
+				600000  1100000
+				300000   950000
+				150000   750000
+			>;
+			cpu1_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+			};
+		};
+
+		cpu2: cpu@2 {
+			compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
+			d-cache-block-size = <64>;
+			d-cache-sets = <64>;
+			d-cache-size = <32768>;
+			d-tlb-sets = <1>;
+			d-tlb-size = <32>;
+			device_type = "cpu";
+			i-cache-block-size = <64>;
+			i-cache-sets = <64>;
+			i-cache-size = <32768>;
+			i-tlb-sets = <1>;
+			i-tlb-size = <32>;
+			mmu-type = "riscv,sv39";
+			reg = <2>;
+			riscv,isa = "rv64imafdc";
+			clocks = <&clkcfg CLK_CPU>;
+			tlb-split;
+			status = "okay";
+			operating-points = <
+				/* kHz	uV */
+				600000  1100000
+				300000   950000
+				150000   750000
+			>;
+			cpu2_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+			};
+		};
+
+		cpu3: cpu@3 {
+			compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
+			d-cache-block-size = <64>;
+			d-cache-sets = <64>;
+			d-cache-size = <32768>;
+			d-tlb-sets = <1>;
+			d-tlb-size = <32>;
+			device_type = "cpu";
+			i-cache-block-size = <64>;
+			i-cache-sets = <64>;
+			i-cache-size = <32768>;
+			i-tlb-sets = <1>;
+			i-tlb-size = <32>;
+			mmu-type = "riscv,sv39";
+			reg = <3>;
+			riscv,isa = "rv64imafdc";
+			clocks = <&clkcfg CLK_CPU>;
+			tlb-split;
+			status = "okay";
+			operating-points = <
+				/* kHz	uV */
+				600000  1100000
+				300000   950000
+				150000   750000
+			>;
+			cpu3_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+			};
+		};
+
+		cpu4: cpu@4 {
+			compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
+			d-cache-block-size = <64>;
+			d-cache-sets = <64>;
+			d-cache-size = <32768>;
+			d-tlb-sets = <1>;
+			d-tlb-size = <32>;
+			device_type = "cpu";
+			i-cache-block-size = <64>;
+			i-cache-sets = <64>;
+			i-cache-size = <32768>;
+			i-tlb-sets = <1>;
+			i-tlb-size = <32>;
+			mmu-type = "riscv,sv39";
+			reg = <4>;
+			riscv,isa = "rv64imafdc";
+			clocks = <&clkcfg CLK_CPU>;
+			tlb-split;
+			status = "okay";
+			operating-points = <
+				/* kHz	uV */
+				600000  1100000
+				300000   950000
+				150000   750000
+			>;
+			cpu4_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+			};
+		};
+	};
+
+	soc {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		compatible = "microchip,mpfs-soc", "simple-bus";
+		ranges;
+
+		clint: clint@2000000 {
+			compatible = "sifive,clint0";
+			reg = <0x0 0x2000000 0x0 0xC000>;
+			interrupts-extended =
+					<&cpu0_intc HART_INT_M_SOFT &cpu0_intc HART_INT_M_TIMER
+					 &cpu1_intc HART_INT_M_SOFT &cpu1_intc HART_INT_M_TIMER
+					 &cpu2_intc HART_INT_M_SOFT &cpu2_intc HART_INT_M_TIMER
+					 &cpu3_intc HART_INT_M_SOFT &cpu3_intc HART_INT_M_TIMER
+					 &cpu4_intc HART_INT_M_SOFT &cpu4_intc HART_INT_M_TIMER>;
+		};
+
+		cachecontroller: cache-controller@2010000 {
+			compatible = "sifive,fu540-c000-ccache", "cache";
+			reg = <0x0 0x2010000 0x0 0x1000>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_L2_METADATA_CORR
+				PLIC_INT_L2_METADATA_UNCORR
+				PLIC_INT_L2_DATA_CORR>;
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-sets = <1024>;
+			cache-size = <2097152>;
+			cache-unified;
+		};
+
+		pdma: pdma@3000000 {
+			compatible = "microchip,mpfs-pdma-uio","sifive,fu540-c000-pdma";
+			reg = <0x0 0x3000000 0x0 0x8000>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_DMA_CH0_DONE PLIC_INT_DMA_CH0_ERR
+				PLIC_INT_DMA_CH1_DONE PLIC_INT_DMA_CH1_ERR
+				PLIC_INT_DMA_CH2_DONE PLIC_INT_DMA_CH2_ERR
+				PLIC_INT_DMA_CH3_DONE PLIC_INT_DMA_CH3_ERR>;
+			#dma-cells = <1>;
+		};
+
+		plic: interrupt-controller@c000000 {
+			compatible = "sifive,plic-1.0.0";
+			reg = <0x0 0xc000000 0x0 0x4000000>;
+			#interrupt-cells = <1>;
+			riscv,ndev = <186>;
+			interrupt-controller;
+			interrupts-extended = <&cpu0_intc HART_INT_M_EXT
+					&cpu1_intc HART_INT_M_EXT &cpu1_intc HART_INT_S_EXT
+					&cpu2_intc HART_INT_M_EXT &cpu2_intc HART_INT_S_EXT
+					&cpu3_intc HART_INT_M_EXT &cpu3_intc HART_INT_S_EXT
+					&cpu4_intc HART_INT_M_EXT &cpu4_intc HART_INT_S_EXT>;
+		};
+
+		refclk: refclk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <600000000>;
+			clock-output-names = "msspllclk";
+		};
+
+		clkcfg: clkcfg@20002000 {
+			compatible = "microchip,mpfs-clkcfg";
+			reg = <0x0 0x20002000 0x0 0x1000>;
+			reg-names = "mss_sysreg";
+			clocks = <&refclk>;
+			#clock-cells = <1>;
+			clock-output-names = "cpu", "axi", "ahb", "envm",	/* 0-3   */
+				"mac0", "mac1", "mmc", "timer",				/* 4-7   */
+				"mmuart0", "mmuart1", "mmuart2", "mmuart3",	/* 8-11  */
+				"mmuart4", "spi0", "spi1", "i2c0",			/* 12-15 */
+				"i2c1", "can0", "can1", "usb",				/* 16-19 */
+				"rsvd", "rtc", "qspi", "gpio0",				/* 20-23 */
+				"gpio1", "gpio2", "ddrc", "fic0",			/* 24-27 */
+				"fic1", "fic2", "fic3", "athena", "cfm";	/* 28-32 */
+		};
+
+		/* Common node entry for eMMC/SD */
+		mmc: mmc@20008000 {
+			compatible = "microchip,mpfs-sd4hc","cdns,sd4hc";
+			reg = <0x0 0x20008000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_MMC>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MMC_MAIN PLIC_INT_MMC_WAKEUP>;
+			max-frequency = <200000000>;
+			status = "disabled";
+		};
+
+		uart0: serial@20000000 {
+			compatible = "ns16550a";
+			reg = <0x0 0x20000000 0x0 0x400>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MMUART0>;
+			clocks = <&clkcfg CLK_MMUART0>;
+			status = "disabled"; /* Reserved for the HSS */
+		};
+
+		uart1: serial@20100000 {
+			compatible = "ns16550a";
+			reg = <0x0 0x20100000 0x0 0x400>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MMUART1>;
+			clocks = <&clkcfg CLK_MMUART1>;
+			status = "disabled";
+		};
+
+		uart2: serial@20102000 {
+			compatible = "ns16550a";
+			reg = <0x0 0x20102000 0x0 0x400>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MMUART2>;
+			clocks = <&clkcfg CLK_MMUART2>;
+			status = "disabled";
+		};
+
+		uart3: serial@20104000 {
+			compatible = "ns16550a";
+			reg = <0x0 0x20104000 0x0 0x400>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MMUART3>;
+			clocks = <&clkcfg CLK_MMUART3>;
+			status = "disabled";
+		};
+
+		uart4: serial@20106000 {
+			compatible = "ns16550a";
+			reg = <0x0 0x20106000 0x0 0x400>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MMUART4>;
+			clocks = <&clkcfg CLK_MMUART4>;
+			status = "disabled";
+		};
+
+		spi0: spi@20108000 {
+			compatible = "microchip,mpfs-spi";
+			reg = <0x0 0x20108000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_SPI0>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_SPI0>;
+			num-cs = <8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		spi1: spi@20109000 {
+			compatible = "microchip,mpfs-spi";
+			reg = <0x0 0x20109000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_SPI1>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_SPI1>;
+			num-cs = <8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c0: i2c@2010a000 {
+			compatible = "microchip,mpfs-i2c";
+			reg = <0x0 0x2010a000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_I2C0>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_I2C0_MAIN>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@2010b000 {
+			compatible = "microchip,mpfs-i2c";
+			reg = <0x0 0x2010b000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_I2C1>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_I2C1_MAIN>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		can0: can@2010c000 {
+			compatible = "microchip,mpfs-can-uio";
+			reg = <0x0 0x2010c000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_CAN0>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_CAN0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		can1: can@2010d000 {
+			compatible = "microchip,mpfs-can-uio";
+			reg = <0x0 0x2010d000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_CAN1>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_CAN1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mac0: ethernet@20110000 {
+			compatible = "cdns,macb";
+			reg = <0x0 0x20110000 0x0 0x2000>;
+			clocks = <&clkcfg CLK_MAC0>, <&clkcfg CLK_AHB>;
+			clock-names = "pclk", "hclk";
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MAC0_INT
+				PLIC_INT_MAC0_QUEUE1
+				PLIC_INT_MAC0_QUEUE2
+				PLIC_INT_MAC0_QUEUE3
+				PLIC_INT_MAC0_EMAC
+				PLIC_INT_MAC0_MMSL>;
+			local-mac-address = [00 00 00 00 00 00];
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		mac1: ethernet@20112000 {
+			compatible = "cdns,macb";
+			reg = <0x0 0x20112000 0x0 0x2000>;
+			clocks = <&clkcfg CLK_MAC1>, <&clkcfg CLK_AHB>;
+			clock-names = "pclk", "hclk";
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_MAC1_INT
+				PLIC_INT_MAC1_QUEUE1
+				PLIC_INT_MAC1_QUEUE2
+				PLIC_INT_MAC1_QUEUE3
+				PLIC_INT_MAC1_EMAC
+				PLIC_INT_MAC1_MMSL>;
+			local-mac-address = [00 00 00 00 00 00];
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		gpio0: gpio@20120000 {
+			compatible = "microchip,mpfs-gpio";
+			reg = <0x0 0x20120000 0x0 0x1000>;
+			reg-names = "control";
+			clocks = <&clkcfg CLK_GPIO0>;
+			interrupt-parent = <&plic>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			status = "disabled";
+		};
+
+		gpio1: gpio@20121000 {
+			compatible = "microchip,mpfs-gpio";
+			reg = <000 0x20121000 0x0 0x1000>;
+			reg-names = "control";
+			clocks = <&clkcfg CLK_GPIO1>;
+			interrupt-parent = <&plic>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			status = "disabled";
+		};
+
+		gpio2: gpio@20122000 {
+			compatible = "microchip,mpfs-gpio";
+			reg = <0x0 0x20122000 0x0 0x1000>;
+			reg-names = "control";
+			clocks = <&clkcfg CLK_GPIO2>;
+			interrupt-parent = <&plic>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			status = "disabled";
+		};
+
+		rtc: rtc@20124000 {
+			compatible = "microchip,mpfs-rtc";
+			reg = <0x0 0x20124000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_RTC>;
+			clock-names = "rtc";
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_RTC_WAKEUP PLIC_INT_RTC_MATCH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		usb: usb@20201000 {
+			compatible = "microchip,mpfs-usb-host";
+			reg = <0x0 0x20201000 0x0 0x1000>;
+			reg-names = "mc","control";
+			clocks = <&clkcfg CLK_USB>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_USB_DMA PLIC_INT_USB_MC>;
+			interrupt-names = "dma","mc";
+			dr_mode = "host";
+			status = "disabled";
+		};
+
+		qspi: qspi@21000000 {
+			compatible = "microchip,mpfs-qspi";
+			reg = <0x0 0x21000000 0x0 0x1000>;
+			clocks = <&clkcfg CLK_QSPI>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_QSPI>;
+			num-cs = <8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		mbox: mailbox@37020000 {
+			compatible = "microchip,mpfs-mailbox";
+			reg = <0x0 0x37020000 0x0 0x1000>, <0x0 0x2000318C 0x0 0x40>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_G5C_MESSAGE>;
+			#mbox-cells = <1>;
+			status = "disabled";
+		};
+
+		pcie: pcie@2000000000 {
+			compatible = "microchip,pcie-host-1.0";
+			#address-cells = <0x3>;
+			#interrupt-cells = <0x1>;
+			#size-cells = <0x2>;
+			device_type = "pci";
+			reg = <0x20 0x0 0x0 0x8000000 0x0 0x43000000 0x0 0x10000>;
+			reg-names = "cfg", "apb";
+			clocks = <&clkcfg CLK_FIC0>, <&clkcfg CLK_FIC1>, <&clkcfg CLK_FIC3>;
+			clock-names = "fic0", "fic1", "fic3";
+			bus-range = <0x0 0x7f>;
+			interrupt-parent = <&plic>;
+			interrupts = <PLIC_INT_FABRIC_F2H_2>;
+			interrupt-map = <0 0 0 1 &pcie_intc 0>,
+					<0 0 0 2 &pcie_intc 1>,
+					<0 0 0 3 &pcie_intc 2>,
+					<0 0 0 4 &pcie_intc 3>;
+			interrupt-map-mask = <0 0 0 7>;
+			ranges = <0x3000000 0x0 0x8000000 0x20 0x8000000 0x0 0x80000000>;
+			msi-parent = <&pcie>;
+			msi-controller;
+			mchp,axi-m-atr0 = <0x10 0x0>;
+			status = "disabled";
+			pcie_intc: legacy-interrupt-controller {
+				#address-cells = <0>;
+				#interrupt-cells = <1>;
+				interrupt-controller;
+			};
+		};
+
+		syscontroller: syscontroller {
+			compatible = "microchip,mpfs-sys-controller";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			mboxes = <&mbox 0>;
+		};
+
+		hwrandom: hwrandom {
+			compatible = "microchip,mpfs-rng";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			syscontroller = <&syscontroller>;
+		};
+
+		serialnum: serialnum {
+			compatible = "microchip,mpfs-serial-number";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			syscontroller = <&syscontroller>;
+		};
+
+		fpgadigest: fpgadigest {
+			compatible = "microchip,mpfs-digest";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			syscontroller = <&syscontroller>;
+		};
+
+		devicecert: cert {
+			compatible = "microchip,mpfs-device-cert";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			syscontroller = <&syscontroller>;
+		};
+
+		signature: signature {
+			compatible = "microchip,mpfs-signature";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			syscontroller = <&syscontroller>;
+		};
+	};
+};