[PATCH v1 2/8] riscv: dts: Add device tree for Microchip Icicle Kit

Sean Anderson seanga2 at gmail.com
Sun Oct 18 03:42:40 CEST 2020


On 10/16/20 10:23 AM, padmarao.begari at microchip.com wrote:
> From: Padmarao Begari <padmarao.begari at microchip.com>
> 
> Add device tree for Microchip PolarFire SoC Icicle Kit.
> 
> Signed-off-by: Padmarao Begari <padmarao.begari at microchip.com>
> ---
>  arch/riscv/dts/Makefile                      |   1 +
>  arch/riscv/dts/microchip-icicle-kit-a000.dts | 419 +++++++++++++++++++
>  2 files changed, 420 insertions(+)
>  create mode 100644 arch/riscv/dts/microchip-icicle-kit-a000.dts
> 
> diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile
> index 3a6f96c67d..48c43bd122 100644
> --- a/arch/riscv/dts/Makefile
> +++ b/arch/riscv/dts/Makefile
> @@ -3,6 +3,7 @@
>  dtb-$(CONFIG_TARGET_AX25_AE350) += ae350_32.dtb ae350_64.dtb
>  dtb-$(CONFIG_TARGET_SIFIVE_FU540) += hifive-unleashed-a00.dtb
>  dtb-$(CONFIG_TARGET_SIPEED_MAIX) += k210-maix-bit.dtb
> +dtb-$(CONFIG_TARGET_MICROCHIP_ICICLE) += microchip-icicle-kit-a000.dtb
>  
>  targets += $(dtb-y)
>  
> diff --git a/arch/riscv/dts/microchip-icicle-kit-a000.dts b/arch/riscv/dts/microchip-icicle-kit-a000.dts
> new file mode 100644
> index 0000000000..e7f0ec6926
> --- /dev/null
> +++ b/arch/riscv/dts/microchip-icicle-kit-a000.dts
> @@ -0,0 +1,419 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/* Copyright (c) 2020 Microchip Technology Inc */
> +
> +/dts-v1/;
> +#include "dt-bindings/clock/microchip,pfsoc-clock.h"
> +
> +/ {
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +	model = "Microchip PolarFire-SoC";
> +	compatible = "microchip,polarfire-soc";
> +
> +	aliases {
> +		serial0 = &uart1;
> +		ethernet0 = &emac1;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0";
> +	};
> +
> +	cpucomplex: cpus {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		timebase-frequency = <1000000>;
> +		cpu0: cpu at 0 {
> +			clocks = <&clkcfg CLK_CPU>;
> +			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";
> +			status = "disabled";
> +			operating-points = <
> +				/* kHz	uV */
> +				600000  1100000
> +				300000   950000
> +				150000   750000
> +			>;
> +			cpu0intc: interrupt-controller {
> +				#interrupt-cells = <1>;
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +			};
> +		};
> +		cpu1: cpu at 1 {
> +			clocks = <&clkcfg CLK_CPU>;
> +			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";
> +			tlb-split;
> +			status = "okay";
> +			operating-points = <
> +				/* kHz	uV */
> +				600000  1100000
> +				300000   950000
> +				150000   750000
> +			>;
> +			cpu1intc: interrupt-controller {
> +				#interrupt-cells = <1>;
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +			};
> +		};
> +		cpu2: cpu at 2 {
> +			clocks = <&clkcfg CLK_CPU>;
> +			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";
> +			tlb-split;
> +			status = "okay";
> +			operating-points = <
> +				/* kHz	uV */
> +				600000  1100000
> +				300000   950000
> +				150000   750000
> +			>;
> +			cpu2intc: interrupt-controller {
> +				#interrupt-cells = <1>;
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +			};
> +		};
> +		cpu3: cpu at 3 {
> +			clocks = <&clkcfg CLK_CPU>;
> +			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";
> +			tlb-split;
> +			status = "okay";
> +			operating-points = <
> +				/* kHz	uV */
> +				600000  1100000
> +				300000   950000
> +				150000   750000
> +			>;
> +			cpu3intc: interrupt-controller {
> +				#interrupt-cells = <1>;
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +			};
> +		};
> +		cpu4: cpu at 4 {
> +			clocks = <&clkcfg CLK_CPU>;
> +			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";
> +			tlb-split;
> +			status = "okay";
> +			operating-points = <
> +				/* kHz	uV */
> +				600000  1100000
> +				300000   950000
> +				150000   750000
> +			>;
> +			cpu4intc: interrupt-controller {
> +				#interrupt-cells = <1>;
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +			};
> +		};
> +	};
> +	ddr: memory at 80000000 {
> +		device_type = "memory";
> +		reg = <0x0 0x80000000 0x0 0x40000000>;
> +		clocks = <&clkcfg CLK_DDRC>;
> +	};
> +	soc: soc {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		compatible = "sifive,fu540-c000", "sifive,fu540", "simple-bus";
> +		ranges;
> +		clint0: clint at 2000000 {
> +			compatible = "riscv,clint0";
> +			interrupts-extended = <&cpu0intc 3 &cpu0intc 7
> +						&cpu1intc 3 &cpu1intc 7
> +						&cpu2intc 3 &cpu2intc 7
> +						&cpu3intc 3 &cpu3intc 7
> +						&cpu4intc 3 &cpu4intc 7>;
> +			reg = <0x0 0x2000000 0x0 0x10000>;
> +			reg-names = "control";

Should this have "clocks = <&clkcfg CLK_CPU>"?

> +		};
> +		cachecontroller: cache-controller at 2010000 {
> +			compatible = "sifive,fu540-c000-ccache", "cache";
> +			cache-block-size = <64>;
> +			cache-level = <2>;
> +			cache-sets = <1024>;
> +			cache-size = <2097152>;
> +			cache-unified;
> +			interrupt-parent = <&plic>;
> +			interrupts = <1 2 3>;
> +			reg = <0x0 0x2010000 0x0 0x1000>;
> +		};
> +		dma: dma at 3000000 {
> +			compatible = "sifive,fu540-c000-pdma";
> +			reg = <0x0 0x3000000 0x0 0x8000>;
> +			interrupt-parent = <&plic>;
> +			interrupts = <23 24 25 26 27 28 29 30>;
> +			#dma-cells = <1>;
> +		};
> +		plic: interrupt-controller at c000000 {
> +			#interrupt-cells = <1>;
> +			compatible = "sifive,plic-1.0.0";
> +			reg = <0x0 0xc000000 0x0 0x4000000>;
> +			riscv,max-priority = <7>;
> +			riscv,ndev = <186>;
> +			interrupt-controller;
> +			interrupts-extended = <
> +				&cpu0intc 11
> +				&cpu1intc 11 &cpu1intc 9
> +				&cpu2intc 11 &cpu2intc 9
> +				&cpu3intc 11 &cpu3intc 9
> +				&cpu4intc 11 &cpu4intc 9>;
> +		};
> +	};
> +	refclk: refclk {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <600000000>;
> +		clock-output-names = "msspllclk";
> +	};

Anup already commented on how the following devices should go under
/soc, but can you also order them by address?

--Sean

> +	clkcfg: clkcfg at 20002000 {
> +		compatible = "microchip,pfsoc-clkcfg";
> +		reg = <0x0 0x20002000 0x0 0x1000>;
> +		reg-names = "mss_sysreg";
> +		clocks = <&refclk>;
> +		#clock-cells = <1>;
> +		clock-output-names = "cpu", "axi", "ahb", "envm", "mac0", "mac1", "mmc", "timer",
> +				"mmuart0", "mmuart1", "mmuart2", "mmuart3", "mmuart4", "spi0",
> +				"spi1", "i2c0", "i2c1", "can0", "can1", "usb", "reserved",
> +				"rtc", "qspi", "gpio0", "gpio1", "gpio2", "ddrc", "fic0", "fic1",
> +				"fic2", "fic3", "athena", "cfm";
> +	};
> +	uart0: serial at 20000000 {
> +		compatible = "ns16550a";
> +		reg = <0x0 0x20000000 0x0 0x400>;
> +		reg-io-width = <4>;
> +		reg-shift = <2>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <90>;
> +		clock-frequency = <150000000>;
> +		clocks = <&clkcfg CLK_MMUART0>;
> +		status = "disabled";
> +	};
> +	uart1: serial at 20100000 {
> +		compatible = "ns16550a";
> +		reg = <0x0 0x20100000 0x0 0x400>;
> +		reg-io-width = <4>;
> +		reg-shift = <2>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <91>;
> +		clock-frequency = <150000000>;
> +		clocks = <&clkcfg CLK_MMUART1>;
> +		status = "okay";
> +	};
> +	uart2: serial at 20102000 {
> +		compatible = "ns16550a";
> +		reg = <0x0 0x20102000 0x0 0x400>;
> +		reg-io-width = <4>;
> +		reg-shift = <2>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <92>;
> +		clock-frequency = <150000000>;
> +		clocks = <&clkcfg CLK_MMUART2>;
> +		status = "okay";
> +	};
> +	uart3: serial at 20104000 {
> +		compatible = "ns16550a";
> +		reg = <0x0 0x20104000 0x0 0x400>;
> +		reg-io-width = <4>;
> +		reg-shift = <2>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <93>;
> +		clock-frequency = <150000000>;
> +		clocks = <&clkcfg CLK_MMUART3>;
> +		status = "okay";
> +	};
> +	gpio: gpio at 0x20122000 {
> +		compatible = "microsemi,ms-pf-mss-gpio";
> +		interrupt-parent = <&plic>;
> +		interrupts = <13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
> +				30 31 32 33 34 35 36 37 38 39 40 41 42 43 44>;
> +		gpio-controller;
> +		clocks = <&clkcfg CLK_GPIO2>;
> +		reg = <0x00 0x20122000 0x0 0x1000>;
> +		reg-names = "control";
> +		#gpio-cells = <2>;
> +		status = "disabled";
> +	};
> +	i2c0: i2c at 02010a000 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "microsemi,ms-pf-mss-i2c";
> +		reg = <0x0 0x2010a000 0x0 0x1000>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <58>;
> +		clock-frequency = <100000>;
> +		clocks = <&clkcfg CLK_I2C0>;
> +		status = "disabled";
> +	};
> +	i2c1: i2c at 02010b000 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "microsemi,ms-pf-mss-i2c";
> +		reg = <0x0 0x2010b000 0x0 0x1000>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <61>;
> +		clock-frequency = <100000>;
> +		clocks = <&clkcfg CLK_I2C1>;
> +		status = "disabled";
> +		pac193x at 0x10 {
> +			compatible = "microchip,pac1934";
> +			reg = <0x10>;
> +			samp-rate = <64>;
> +			status = "disabled";
> +			ch1: channel at 0 {
> +				uohms-shunt-res = <10000>;
> +				rail-name = "VDD";
> +				channel_enabled;
> +			};
> +			ch2: channel at 1 {
> +				uohms-shunt-res = <10000>;
> +				rail-name = "VDDA25";
> +				channel_enabled;
> +			};
> +			ch3: channel at 2 {
> +				uohms-shunt-res = <10000>;
> +				rail-name = "VDD25";
> +				channel_enabled;
> +			};
> +			ch4: channel at 3 {
> +				uohms-shunt-res = <10000>;
> +				rail-name = "VDDA";
> +				channel_enabled;
> +			};
> +		};
> +	};
> +	emmc: mmc at 20008000 {
> +		compatible = "cdns,sd4hc";
> +		reg = <0x0 0x20008000 0x0 0x1000>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <88 89>;
> +		pinctrl-names = "default";
> +		clocks = <&clkcfg CLK_MMC>;
> +		bus-width = <4>;
> +		cap-mmc-highspeed;
> +		mmc-ddr-3_3v;
> +		max-frequency = <200000000>;
> +		non-removable;
> +		no-sd;
> +		no-sdio;
> +		voltage-ranges = <3300 3300>;
> +		status = "okay";
> +	};
> +	sdcard: sd at 20008000 {
> +		compatible = "cdns,sd4hc";
> +		reg = <0x0 0x20008000 0x0 0x1000>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <88>;
> +		pinctrl-names = "default";
> +		clocks = <&clkcfg CLK_MMC>;
> +		bus-width = <4>;
> +		disable-wp;
> +		cap-sd-highspeed;
> +		card-detect-delay = <200>;
> +		sd-uhs-sdr12;
> +		sd-uhs-sdr25;
> +		sd-uhs-sdr50;
> +		sd-uhs-sdr104;
> +		max-frequency = <200000000>;
> +		status = "disabled";
> +	};
> +	emac0: ethernet at 20110000 {
> +		compatible = "cdns,macb";
> +		reg = <0x0 0x20110000 0x0 0x2000>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <64 65 66 67>;
> +		mac-address = [00 00 00 00 00 00];
> +		phy-mode = "sgmii";
> +		clocks = <&clkcfg CLK_MAC0>, <&clkcfg CLK_AXI>;
> +		clock-names = "pclk", "hclk";
> +		status = "disabled";
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		phy0: ethernet-phy at 8 {
> +			reg = <8>;
> +			ti,fifo-depth = <0x01>;
> +		};
> +	};
> +	emac1: ethernet at 20112000 {
> +		compatible = "cdns,macb";
> +		reg = <0x0 0x20112000 0x0 0x2000>;
> +		interrupt-parent = <&plic>;
> +		interrupts = <70 71 72 73>;
> +		mac-address = [00 00 00 00 00 00];
> +		phy-mode = "sgmii";
> +		clocks = <&clkcfg CLK_MAC1>, <&clkcfg CLK_AHB>;
> +		clock-names = "pclk", "hclk";
> +		status = "okay";
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		phy1: ethernet-phy at 9 {
> +			reg = <9>;
> +			ti,fifo-depth = <0x01>;
> +		};
> +	};
> +};
> 



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