// SPDX-License-Identifier: GPL-2.0 /* * Device Tree Source for the r8a774a1 SoC * * Copyright (C) 2018 Renesas Electronics Corp. */ #include #include #include / { compatible = "renesas,r8a774a1"; #address-cells = <2>; #size-cells = <2>; aliases { i2c0 = &i2c0; i2c1 = &i2c1; i2c2 = &i2c2; i2c3 = &i2c3; i2c4 = &i2c4; i2c5 = &i2c5; i2c6 = &i2c6; i2c7 = &i2c_dvfs; }; /* * The external audio clocks are configured as 0 Hz fixed frequency * clocks by default. * Boards that provide audio clocks should override them. */ audio_clk_a: audio_clk_a { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; audio_clk_b: audio_clk_b { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; audio_clk_c: audio_clk_c { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; /* External CAN clock - to be overridden by boards that provide it */ can_clk: can { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; cpus { #address-cells = <1>; #size-cells = <0>; a57_0: cpu@0 { compatible = "arm,cortex-a57", "arm,armv8"; reg = <0x0>; device_type = "cpu"; power-domains = <&sysc 0>; next-level-cache = <&L2_CA57>; enable-method = "psci"; clocks =<&cpg CPG_CORE 0>; }; a57_1: cpu@1 { compatible = "arm,cortex-a57", "arm,armv8"; reg = <0x1>; device_type = "cpu"; power-domains = <&sysc 1>; next-level-cache = <&L2_CA57>; enable-method = "psci"; clocks =<&cpg CPG_CORE 0>; }; L2_CA57: cache-controller-0 { compatible = "cache"; power-domains = <&sysc 12>; cache-unified; cache-level = <2>; }; }; extal_clk: extal { compatible = "fixed-clock"; #clock-cells = <0>; /* This value must be overridden by the board */ clock-frequency = <0>; }; extalr_clk: extalr { compatible = "fixed-clock"; #clock-cells = <0>; /* This value must be overridden by the board */ clock-frequency = <0>; }; /* External PCIe clock - can be overridden by the board */ pcie_bus_clk: pcie_bus { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; pmu_a57 { compatible = "arm,cortex-a57-pmu"; interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>, <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; interrupt-affinity = <&a57_0>, <&a57_1>; }; psci { compatible = "arm,psci-1.0", "arm,psci-0.2"; method = "smc"; }; /* External SCIF clock - to be overridden by boards that provide it */ scif_clk: scif { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; soc { compatible = "simple-bus"; interrupt-parent = <&gic>; #address-cells = <2>; #size-cells = <2>; ranges; rwdt: watchdog@e6020000 { compatible = "renesas,r8a774a1-wdt", "renesas,rcar-gen3-wdt"; reg = <0 0xe6020000 0 0x0c>; clocks = <&cpg CPG_MOD 402>; power-domains = <&sysc 32>; resets = <&cpg 402>; status = "disabled"; }; gpio0: gpio@e6050000 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6050000 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 0 16>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 912>; power-domains = <&sysc 32>; resets = <&cpg 912>; }; gpio1: gpio@e6051000 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6051000 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 32 29>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 911>; power-domains = <&sysc 32>; resets = <&cpg 911>; }; gpio2: gpio@e6052000 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6052000 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 64 15>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 910>; power-domains = <&sysc 32>; resets = <&cpg 910>; }; gpio3: gpio@e6053000 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6053000 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 96 16>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 909>; power-domains = <&sysc 32>; resets = <&cpg 909>; }; gpio4: gpio@e6054000 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6054000 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 128 18>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 908>; power-domains = <&sysc 32>; resets = <&cpg 908>; }; gpio5: gpio@e6055000 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6055000 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 160 26>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 907>; power-domains = <&sysc 32>; resets = <&cpg 907>; }; gpio6: gpio@e6055400 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6055400 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 192 32>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 906>; power-domains = <&sysc 32>; resets = <&cpg 906>; }; gpio7: gpio@e6055800 { compatible = "renesas,gpio-r8a774a1", "renesas,rcar-gen3-gpio"; reg = <0 0xe6055800 0 0x50>; interrupts = ; #gpio-cells = <2>; gpio-controller; gpio-ranges = <&pfc 0 224 4>; #interrupt-cells = <2>; interrupt-controller; clocks = <&cpg CPG_MOD 905>; power-domains = <&sysc 32>; resets = <&cpg 905>; }; pfc: pin-controller@e6060000 { compatible = "renesas,pfc-r8a774a1"; reg = <0 0xe6060000 0 0x50c>; }; cpg: clock-controller@e6150000 { compatible = "renesas,r8a774a1-cpg-mssr"; reg = <0 0xe6150000 0 0x0bb0>; clocks = <&extal_clk>, <&extalr_clk>; clock-names = "extal", "extalr"; #clock-cells = <2>; #power-domain-cells = <0>; #reset-cells = <1>; }; rst: reset-controller@e6160000 { compatible = "renesas,r8a774a1-rst"; reg = <0 0xe6160000 0 0x018c>; }; sysc: system-controller@e6180000 { compatible = "renesas,r8a774a1-sysc"; reg = <0 0xe6180000 0 0x0400>; #power-domain-cells = <1>; }; intc_ex: interrupt-controller@e61c0000 { compatible = "renesas,intc-ex-r8a774a1", "renesas,irqc"; #interrupt-cells = <2>; interrupt-controller; reg = <0 0xe61c0000 0 0x200>; interrupts = ; clocks = <&cpg CPG_MOD 407>; power-domains = <&sysc 32>; resets = <&cpg 407>; }; i2c0: i2c@e6500000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe6500000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 931>; power-domains = <&sysc 32>; resets = <&cpg 931>; dmas = <&dmac1 0x91>, <&dmac1 0x90>, <&dmac2 0x91>, <&dmac2 0x90>; dma-names = "tx", "rx", "tx", "rx"; i2c-scl-internal-delay-ns = <110>; status = "disabled"; }; i2c1: i2c@e6508000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe6508000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 930>; power-domains = <&sysc 32>; resets = <&cpg 930>; dmas = <&dmac1 0x93>, <&dmac1 0x92>, <&dmac2 0x93>, <&dmac2 0x92>; dma-names = "tx", "rx", "tx", "rx"; i2c-scl-internal-delay-ns = <6>; status = "disabled"; }; i2c2: i2c@e6510000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe6510000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 929>; power-domains = <&sysc 32>; resets = <&cpg 929>; dmas = <&dmac1 0x95>, <&dmac1 0x94>, <&dmac2 0x95>, <&dmac2 0x94>; dma-names = "tx", "rx", "tx", "rx"; i2c-scl-internal-delay-ns = <6>; status = "disabled"; }; i2c3: i2c@e66d0000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe66d0000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 928>; power-domains = <&sysc 32>; resets = <&cpg 928>; dmas = <&dmac0 0x97>, <&dmac0 0x96>; dma-names = "tx", "rx"; i2c-scl-internal-delay-ns = <110>; status = "disabled"; }; i2c4: i2c@e66d8000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe66d8000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 927>; power-domains = <&sysc 32>; resets = <&cpg 927>; dmas = <&dmac0 0x99>, <&dmac0 0x98>; dma-names = "tx", "rx"; i2c-scl-internal-delay-ns = <110>; status = "disabled"; }; i2c5: i2c@e66e0000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe66e0000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 919>; power-domains = <&sysc 32>; resets = <&cpg 919>; dmas = <&dmac0 0x9b>, <&dmac0 0x9a>; dma-names = "tx", "rx"; i2c-scl-internal-delay-ns = <110>; status = "disabled"; }; i2c6: i2c@e66e8000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,i2c-r8a774a1", "renesas,rcar-gen3-i2c"; reg = <0 0xe66e8000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 918>; power-domains = <&sysc 32>; resets = <&cpg 918>; dmas = <&dmac0 0x9d>, <&dmac0 0x9c>; dma-names = "tx", "rx"; i2c-scl-internal-delay-ns = <6>; status = "disabled"; }; i2c_dvfs: i2c@e60b0000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,iic-r8a774a1", "renesas,rcar-gen3-iic", "renesas,rmobile-iic"; reg = <0 0xe60b0000 0 0x425>; interrupts = ; clocks = <&cpg CPG_MOD 926>; power-domains = <&sysc 32>; resets = <&cpg 926>; dmas = <&dmac0 0x11>, <&dmac0 0x10>; dma-names = "tx", "rx"; status = "disabled"; }; hscif0: serial@e6540000 { compatible = "renesas,hscif-r8a774a1", "renesas,rcar-gen3-hscif", "renesas,hscif"; reg = <0 0xe6540000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 520>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac1 0x31>, <&dmac1 0x30>, <&dmac2 0x31>, <&dmac2 0x30>; dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 520>; status = "disabled"; }; hscif1: serial@e6550000 { compatible = "renesas,hscif-r8a774a1", "renesas,rcar-gen3-hscif", "renesas,hscif"; reg = <0 0xe6550000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 519>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac1 0x33>, <&dmac1 0x32>, <&dmac2 0x33>, <&dmac2 0x32>; dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 519>; status = "disabled"; }; hscif2: serial@e6560000 { compatible = "renesas,hscif-r8a774a1", "renesas,rcar-gen3-hscif", "renesas,hscif"; reg = <0 0xe6560000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 518>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac1 0x35>, <&dmac1 0x34>, <&dmac2 0x35>, <&dmac2 0x34>; dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 518>; status = "disabled"; }; hscif3: serial@e66a0000 { compatible = "renesas,hscif-r8a774a1", "renesas,rcar-gen3-hscif", "renesas,hscif"; reg = <0 0xe66a0000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 517>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x37>, <&dmac0 0x36>; dma-names = "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 517>; status = "disabled"; }; hscif4: serial@e66b0000 { compatible = "renesas,hscif-r8a774a1", "renesas,rcar-gen3-hscif", "renesas,hscif"; reg = <0 0xe66b0000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 516>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x39>, <&dmac0 0x38>; dma-names = "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 516>; status = "disabled"; }; dmac0: dma-controller@e6700000 { compatible = "renesas,dmac-r8a774a1", "renesas,rcar-dmac"; reg = <0 0xe6700000 0 0x10000>; interrupts = ; interrupt-names = "error", "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6", "ch7", "ch8", "ch9", "ch10", "ch11", "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 219>; clock-names = "fck"; power-domains = <&sysc 32>; resets = <&cpg 219>; #dma-cells = <1>; dma-channels = <16>; }; dmac1: dma-controller@e7300000 { compatible = "renesas,dmac-r8a774a1", "renesas,rcar-dmac"; reg = <0 0xe7300000 0 0x10000>; interrupts = ; interrupt-names = "error", "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6", "ch7", "ch8", "ch9", "ch10", "ch11", "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 218>; clock-names = "fck"; power-domains = <&sysc 32>; resets = <&cpg 218>; #dma-cells = <1>; dma-channels = <16>; }; dmac2: dma-controller@e7310000 { compatible = "renesas,dmac-r8a774a1", "renesas,rcar-dmac"; reg = <0 0xe7310000 0 0x10000>; interrupts = ; interrupt-names = "error", "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6", "ch7", "ch8", "ch9", "ch10", "ch11", "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 217>; clock-names = "fck"; power-domains = <&sysc 32>; resets = <&cpg 217>; #dma-cells = <1>; dma-channels = <16>; }; avb: ethernet@e6800000 { compatible = "renesas,etheravb-r8a774a1", "renesas,etheravb-rcar-gen3"; reg = <0 0xe6800000 0 0x800>; interrupts = , , , , , , , , , , , , , , , , , , , , , , , , ; interrupt-names = "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6", "ch7", "ch8", "ch9", "ch10", "ch11", "ch12", "ch13", "ch14", "ch15", "ch16", "ch17", "ch18", "ch19", "ch20", "ch21", "ch22", "ch23", "ch24"; clocks = <&cpg CPG_MOD 812>; power-domains = <&sysc 32>; resets = <&cpg 812>; phy-mode = "rgmii"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; scif0: serial@e6e60000 { compatible = "renesas,scif-r8a774a1", "renesas,rcar-gen3-scif", "renesas,scif"; reg = <0 0xe6e60000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 207>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac1 0x51>, <&dmac1 0x50>, <&dmac2 0x51>, <&dmac2 0x50>; dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 207>; status = "disabled"; }; scif1: serial@e6e68000 { compatible = "renesas,scif-r8a774a1", "renesas,rcar-gen3-scif", "renesas,scif"; reg = <0 0xe6e68000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 206>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac1 0x53>, <&dmac1 0x52>, <&dmac2 0x53>, <&dmac2 0x52>; dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 206>; status = "disabled"; }; scif2: serial@e6e88000 { compatible = "renesas,scif-r8a774a1", "renesas,rcar-gen3-scif", "renesas,scif"; reg = <0 0xe6e88000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 310>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; power-domains = <&sysc 32>; resets = <&cpg 310>; status = "disabled"; }; scif3: serial@e6c50000 { compatible = "renesas,scif-r8a774a1", "renesas,rcar-gen3-scif", "renesas,scif"; reg = <0 0xe6c50000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 204>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x57>, <&dmac0 0x56>; dma-names = "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 204>; status = "disabled"; }; scif4: serial@e6c40000 { compatible = "renesas,scif-r8a774a1", "renesas,rcar-gen3-scif", "renesas,scif"; reg = <0 0xe6c40000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 203>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x59>, <&dmac0 0x58>; dma-names = "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 203>; status = "disabled"; }; scif5: serial@e6f30000 { compatible = "renesas,scif-r8a774a1", "renesas,rcar-gen3-scif", "renesas,scif"; reg = <0 0xe6f30000 0 0x40>; interrupts = ; clocks = <&cpg CPG_MOD 202>, <&cpg CPG_CORE 19>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac1 0x5b>, <&dmac1 0x5a>, <&dmac2 0x5b>, <&dmac2 0x5a>; dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc 32>; resets = <&cpg 202>; status = "disabled"; }; sdhi0: sd@ee100000 { compatible = "renesas,sdhi-r8a774a1", "renesas,rcar-gen3-sdhi"; reg = <0 0xee100000 0 0x2000>; interrupts = ; clocks = <&cpg CPG_MOD 314>; max-frequency = <200000000>; power-domains = <&sysc 32>; resets = <&cpg 314>; status = "disabled"; }; sdhi1: sd@ee120000 { compatible = "renesas,sdhi-r8a774a1", "renesas,rcar-gen3-sdhi"; reg = <0 0xee120000 0 0x2000>; interrupts = ; clocks = <&cpg CPG_MOD 313>; max-frequency = <200000000>; power-domains = <&sysc 32>; resets = <&cpg 313>; status = "disabled"; }; sdhi2: sd@ee140000 { compatible = "renesas,sdhi-r8a774a1", "renesas,rcar-gen3-sdhi"; reg = <0 0xee140000 0 0x2000>; interrupts = ; clocks = <&cpg CPG_MOD 312>; max-frequency = <200000000>; power-domains = <&sysc 32>; resets = <&cpg 312>; status = "disabled"; }; sdhi3: sd@ee160000 { compatible = "renesas,sdhi-r8a774a1", "renesas,rcar-gen3-sdhi"; reg = <0 0xee160000 0 0x2000>; interrupts = ; clocks = <&cpg CPG_MOD 311>; max-frequency = <200000000>; power-domains = <&sysc 32>; resets = <&cpg 311>; status = "disabled"; }; gic: interrupt-controller@f1010000 { compatible = "arm,gic-400"; #interrupt-cells = <3>; #address-cells = <0>; interrupt-controller; reg = <0x0 0xf1010000 0 0x1000>, <0x0 0xf1020000 0 0x20000>, <0x0 0xf1040000 0 0x20000>, <0x0 0xf1060000 0 0x20000>; interrupts = ; clocks = <&cpg CPG_MOD 408>; clock-names = "clk"; power-domains = <&sysc 32>; resets = <&cpg 408>; }; prr: chipid@fff00044 { compatible = "renesas,prr"; reg = <0 0xfff00044 0 4>; }; }; timer { compatible = "arm,armv8-timer"; interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; }; /* External USB clocks - can be overridden by the board */ usb3s0_clk: usb3s0 { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; usb_extal_clk: usb_extal { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; }; };