| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (C) 2017 Synopsys, Inc. (www.synopsys.com) |
| */ |
| |
| /* |
| * Device Tree for ARC HS Development Kit |
| */ |
| /dts-v1/; |
| |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/reset/snps,hsdk-reset.h> |
| |
| / { |
| model = "snps,hsdk"; |
| compatible = "snps,hsdk"; |
| |
| #address-cells = <2>; |
| #size-cells = <2>; |
| |
| chosen { |
| bootargs = "earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1"; |
| }; |
| |
| aliases { |
| ethernet = &gmac; |
| }; |
| |
| cpus { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| cpu@0 { |
| device_type = "cpu"; |
| compatible = "snps,archs38"; |
| reg = <0>; |
| clocks = <&core_clk>; |
| }; |
| |
| cpu@1 { |
| device_type = "cpu"; |
| compatible = "snps,archs38"; |
| reg = <1>; |
| clocks = <&core_clk>; |
| }; |
| |
| cpu@2 { |
| device_type = "cpu"; |
| compatible = "snps,archs38"; |
| reg = <2>; |
| clocks = <&core_clk>; |
| }; |
| |
| cpu@3 { |
| device_type = "cpu"; |
| compatible = "snps,archs38"; |
| reg = <3>; |
| clocks = <&core_clk>; |
| }; |
| }; |
| |
| input_clk: input-clk { |
| #clock-cells = <0>; |
| compatible = "fixed-clock"; |
| clock-frequency = <33333333>; |
| }; |
| |
| reg_5v0: regulator-5v0 { |
| compatible = "regulator-fixed"; |
| |
| regulator-name = "5v0-supply"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| }; |
| |
| cpu_intc: cpu-interrupt-controller { |
| compatible = "snps,archs-intc"; |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| }; |
| |
| idu_intc: idu-interrupt-controller { |
| compatible = "snps,archs-idu-intc"; |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&cpu_intc>; |
| }; |
| |
| arcpct: pct { |
| compatible = "snps,archs-pct"; |
| interrupt-parent = <&cpu_intc>; |
| interrupts = <20>; |
| }; |
| |
| /* TIMER0 with interrupt for clockevent */ |
| timer { |
| compatible = "snps,arc-timer"; |
| interrupts = <16>; |
| interrupt-parent = <&cpu_intc>; |
| clocks = <&core_clk>; |
| }; |
| |
| /* 64-bit Global Free Running Counter */ |
| gfrc { |
| compatible = "snps,archs-timer-gfrc"; |
| clocks = <&core_clk>; |
| }; |
| |
| soc { |
| compatible = "simple-bus"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| interrupt-parent = <&idu_intc>; |
| |
| ranges = <0x00000000 0x0 0xf0000000 0x10000000>; |
| |
| cgu_rst: reset-controller@8a0 { |
| compatible = "snps,hsdk-reset"; |
| #reset-cells = <1>; |
| reg = <0x8a0 0x4>, <0xff0 0x4>; |
| }; |
| |
| core_clk: core-clk@0 { |
| compatible = "snps,hsdk-core-pll-clock"; |
| reg = <0x00 0x10>, <0x14b8 0x4>; |
| #clock-cells = <0>; |
| clocks = <&input_clk>; |
| |
| /* |
| * Set initial core pll output frequency to 1GHz. |
| * It will be applied at the core pll driver probing |
| * on early boot. |
| */ |
| assigned-clocks = <&core_clk>; |
| assigned-clock-rates = <1000000000>; |
| }; |
| |
| serial: serial@5000 { |
| compatible = "snps,dw-apb-uart"; |
| reg = <0x5000 0x100>; |
| clock-frequency = <33330000>; |
| interrupts = <6>; |
| baud = <115200>; |
| reg-shift = <2>; |
| reg-io-width = <4>; |
| }; |
| |
| gmacclk: gmacclk { |
| compatible = "fixed-clock"; |
| clock-frequency = <400000000>; |
| #clock-cells = <0>; |
| }; |
| |
| mmcclk_ciu: mmcclk-ciu { |
| compatible = "fixed-clock"; |
| /* |
| * DW sdio controller has external ciu clock divider |
| * controlled via register in SDIO IP. Due to its |
| * unexpected default value (it should divide by 1 |
| * but it divides by 8) SDIO IP uses wrong clock and |
| * works unstable (see STAR 9001204800) |
| * We switched to the minimum possible value of the |
| * divisor (div-by-2) in HSDK platform code. |
| * So add temporary fix and change clock frequency |
| * to 50000000 Hz until we fix dw sdio driver itself. |
| */ |
| clock-frequency = <50000000>; |
| #clock-cells = <0>; |
| }; |
| |
| mmcclk_biu: mmcclk-biu { |
| compatible = "fixed-clock"; |
| clock-frequency = <400000000>; |
| #clock-cells = <0>; |
| }; |
| |
| gpu_core_clk: gpu-core-clk { |
| compatible = "fixed-clock"; |
| clock-frequency = <400000000>; |
| #clock-cells = <0>; |
| }; |
| |
| gpu_dma_clk: gpu-dma-clk { |
| compatible = "fixed-clock"; |
| clock-frequency = <400000000>; |
| #clock-cells = <0>; |
| }; |
| |
| gpu_cfg_clk: gpu-cfg-clk { |
| compatible = "fixed-clock"; |
| clock-frequency = <200000000>; |
| #clock-cells = <0>; |
| }; |
| |
| dmac_core_clk: dmac-core-clk { |
| compatible = "fixed-clock"; |
| clock-frequency = <400000000>; |
| #clock-cells = <0>; |
| }; |
| |
| dmac_cfg_clk: dmac-gpu-cfg-clk { |
| compatible = "fixed-clock"; |
| clock-frequency = <200000000>; |
| #clock-cells = <0>; |
| }; |
| |
| gmac: ethernet@8000 { |
| #interrupt-cells = <1>; |
| compatible = "snps,dwmac"; |
| reg = <0x8000 0x2000>; |
| interrupts = <10>; |
| interrupt-names = "macirq"; |
| phy-mode = "rgmii-id"; |
| snps,pbl = <32>; |
| snps,multicast-filter-bins = <256>; |
| clocks = <&gmacclk>; |
| clock-names = "stmmaceth"; |
| phy-handle = <&phy0>; |
| resets = <&cgu_rst HSDK_ETH_RESET>; |
| reset-names = "stmmaceth"; |
| mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */ |
| dma-coherent; |
| |
| tx-fifo-depth = <4096>; |
| rx-fifo-depth = <4096>; |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| compatible = "snps,dwmac-mdio"; |
| phy0: ethernet-phy@0 { /* Micrel KSZ9031 */ |
| reg = <0>; |
| }; |
| }; |
| }; |
| |
| ohci@60000 { |
| compatible = "snps,hsdk-v1.0-ohci", "generic-ohci"; |
| reg = <0x60000 0x100>; |
| interrupts = <15>; |
| resets = <&cgu_rst HSDK_USB_RESET>; |
| dma-coherent; |
| }; |
| |
| ehci@40000 { |
| compatible = "snps,hsdk-v1.0-ehci", "generic-ehci"; |
| reg = <0x40000 0x100>; |
| interrupts = <15>; |
| resets = <&cgu_rst HSDK_USB_RESET>; |
| dma-coherent; |
| }; |
| |
| mmc@a000 { |
| compatible = "altr,socfpga-dw-mshc"; |
| reg = <0xa000 0x400>; |
| num-slots = <1>; |
| fifo-depth = <16>; |
| card-detect-delay = <200>; |
| clocks = <&mmcclk_biu>, <&mmcclk_ciu>; |
| clock-names = "biu", "ciu"; |
| interrupts = <12>; |
| bus-width = <4>; |
| dma-coherent; |
| }; |
| |
| spi0: spi@20000 { |
| compatible = "snps,dw-apb-ssi"; |
| reg = <0x20000 0x100>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| interrupts = <16>; |
| num-cs = <2>; |
| reg-io-width = <4>; |
| clocks = <&input_clk>; |
| cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>, |
| <&creg_gpio 1 GPIO_ACTIVE_LOW>; |
| |
| spi-flash@0 { |
| compatible = "sst26wf016b", "jedec,spi-nor"; |
| reg = <0>; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| spi-max-frequency = <4000000>; |
| }; |
| |
| adc@1 { |
| compatible = "ti,adc108s102"; |
| reg = <1>; |
| vref-supply = <®_5v0>; |
| spi-max-frequency = <1000000>; |
| }; |
| }; |
| |
| creg_gpio: gpio@14b0 { |
| compatible = "snps,creg-gpio-hsdk"; |
| reg = <0x14b0 0x4>; |
| gpio-controller; |
| #gpio-cells = <2>; |
| ngpios = <2>; |
| }; |
| |
| gpio: gpio@3000 { |
| compatible = "snps,dw-apb-gpio"; |
| reg = <0x3000 0x20>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| gpio_port_a: gpio-controller@0 { |
| compatible = "snps,dw-apb-gpio-port"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| snps,nr-gpios = <24>; |
| reg = <0>; |
| }; |
| }; |
| |
| gpu_3d: gpu@90000 { |
| compatible = "vivante,gc"; |
| reg = <0x90000 0x4000>; |
| clocks = <&gpu_dma_clk>, |
| <&gpu_cfg_clk>, |
| <&gpu_core_clk>, |
| <&gpu_core_clk>; |
| clock-names = "bus", "reg", "core", "shader"; |
| interrupts = <28>; |
| }; |
| |
| dmac: dmac@80000 { |
| compatible = "snps,axi-dma-1.01a"; |
| reg = <0x80000 0x400>; |
| interrupts = <27>; |
| clocks = <&dmac_core_clk>, <&dmac_cfg_clk>; |
| clock-names = "core-clk", "cfgr-clk"; |
| |
| dma-channels = <4>; |
| snps,dma-masters = <2>; |
| snps,data-width = <3>; |
| snps,block-size = <4096 4096 4096 4096>; |
| snps,priority = <0 1 2 3>; |
| snps,axi-max-burst-len = <16>; |
| }; |
| }; |
| |
| memory@80000000 { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| device_type = "memory"; |
| reg = <0x0 0x80000000 0x0 0x40000000>; /* 1 GB lowmem */ |
| /* 0x1 0x00000000 0x0 0x40000000>; 1 GB highmem */ |
| }; |
| }; |
