William Zhang | 21385ad | 2022-08-05 18:25:13 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Broadcom BCM63138 DSL SoCs Device Tree |
| 4 | */ |
| 5 | |
| 6 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 7 | #include <dt-bindings/interrupt-controller/irq.h> |
| 8 | |
| 9 | / { |
| 10 | compatible = "brcm,bcm63138", "brcm,bcmbca"; |
| 11 | #address-cells = <1>; |
| 12 | #size-cells = <1>; |
| 13 | |
| 14 | interrupt-parent = <&gic>; |
| 15 | |
| 16 | cpus { |
| 17 | #address-cells = <1>; |
| 18 | #size-cells = <0>; |
| 19 | |
| 20 | cpu@0 { |
| 21 | device_type = "cpu"; |
| 22 | compatible = "arm,cortex-a9"; |
| 23 | next-level-cache = <&L2>; |
| 24 | reg = <0>; |
| 25 | enable-method = "brcm,bcm63138"; |
| 26 | }; |
| 27 | |
| 28 | cpu@1 { |
| 29 | device_type = "cpu"; |
| 30 | compatible = "arm,cortex-a9"; |
| 31 | next-level-cache = <&L2>; |
| 32 | reg = <1>; |
| 33 | enable-method = "brcm,bcm63138"; |
| 34 | }; |
| 35 | }; |
| 36 | |
| 37 | clocks { |
| 38 | /* UBUS peripheral clock */ |
| 39 | periph_clk: periph_clk { |
| 40 | #clock-cells = <0>; |
| 41 | compatible = "fixed-clock"; |
| 42 | clock-frequency = <50000000>; |
| 43 | clock-output-names = "periph"; |
| 44 | }; |
| 45 | |
| 46 | /* peripheral clock for system timer */ |
| 47 | axi_clk: axi_clk { |
| 48 | #clock-cells = <0>; |
| 49 | compatible = "fixed-factor-clock"; |
| 50 | clocks = <&armpll>; |
| 51 | clock-div = <2>; |
| 52 | clock-mult = <1>; |
| 53 | }; |
| 54 | |
| 55 | /* APB bus clock */ |
| 56 | apb_clk: apb_clk { |
| 57 | #clock-cells = <0>; |
| 58 | compatible = "fixed-factor-clock"; |
| 59 | clocks = <&armpll>; |
| 60 | clock-div = <4>; |
| 61 | clock-mult = <1>; |
| 62 | }; |
| 63 | }; |
| 64 | |
| 65 | /* ARM bus */ |
| 66 | axi@80000000 { |
| 67 | compatible = "simple-bus"; |
| 68 | ranges = <0 0x80000000 0x784000>; |
| 69 | #address-cells = <1>; |
| 70 | #size-cells = <1>; |
| 71 | |
| 72 | L2: cache-controller@1d000 { |
| 73 | compatible = "arm,pl310-cache"; |
| 74 | reg = <0x1d000 0x1000>; |
| 75 | cache-unified; |
| 76 | cache-level = <2>; |
| 77 | cache-size = <524288>; |
| 78 | cache-sets = <1024>; |
| 79 | cache-line-size = <32>; |
| 80 | interrupts = <GIC_PPI 0 IRQ_TYPE_LEVEL_HIGH>; |
| 81 | }; |
| 82 | |
| 83 | scu: scu@1e000 { |
| 84 | compatible = "arm,cortex-a9-scu"; |
| 85 | reg = <0x1e000 0x100>; |
| 86 | }; |
| 87 | |
| 88 | gic: interrupt-controller@1f000 { |
| 89 | compatible = "arm,cortex-a9-gic"; |
| 90 | reg = <0x1f000 0x1000 |
| 91 | 0x1e100 0x100>; |
| 92 | #interrupt-cells = <3>; |
| 93 | #address-cells = <0>; |
| 94 | interrupt-controller; |
| 95 | }; |
| 96 | |
| 97 | global_timer: timer@1e200 { |
| 98 | compatible = "arm,cortex-a9-global-timer"; |
| 99 | reg = <0x1e200 0x20>; |
| 100 | interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>; |
| 101 | clocks = <&axi_clk>; |
| 102 | }; |
| 103 | |
| 104 | local_timer: local-timer@1e600 { |
| 105 | compatible = "arm,cortex-a9-twd-timer"; |
| 106 | reg = <0x1e600 0x20>; |
| 107 | interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | |
| 108 | IRQ_TYPE_EDGE_RISING)>; |
| 109 | clocks = <&axi_clk>; |
| 110 | }; |
| 111 | |
| 112 | twd_watchdog: watchdog@1e620 { |
| 113 | compatible = "arm,cortex-a9-twd-wdt"; |
| 114 | reg = <0x1e620 0x20>; |
| 115 | interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | |
| 116 | IRQ_TYPE_LEVEL_HIGH)>; |
| 117 | }; |
| 118 | |
| 119 | armpll: armpll@20000 { |
| 120 | #clock-cells = <0>; |
| 121 | compatible = "brcm,bcm63138-armpll"; |
| 122 | clocks = <&periph_clk>; |
| 123 | reg = <0x20000 0xf00>; |
| 124 | }; |
| 125 | }; |
| 126 | |
| 127 | /* Legacy UBUS base */ |
| 128 | bus@fffe8000 { |
| 129 | compatible = "simple-bus"; |
| 130 | #address-cells = <1>; |
| 131 | #size-cells = <1>; |
| 132 | ranges = <0 0xfffe8000 0x8000>; |
| 133 | |
| 134 | timer0: timer@80 { |
| 135 | compatible = "brcm,bcmbca-periph-timer"; |
| 136 | reg = <0x80 0x28>; |
| 137 | clocks = <&periph_clk>; |
| 138 | }; |
| 139 | |
| 140 | uart0: serial@600 { |
| 141 | compatible = "brcm,bcm6345-uart"; |
| 142 | reg = <0x600 0x20>; |
| 143 | interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; |
| 144 | clocks = <&periph_clk>; |
| 145 | clock-names = "refclk"; |
| 146 | status = "disabled"; |
| 147 | }; |
| 148 | }; |
| 149 | }; |