| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * BSD LICENSE |
| 3 | * |
| 4 | * Copyright(c) 2014 Broadcom Corporation. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in |
| 14 | * the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Broadcom Corporation nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived |
| 18 | * from this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | clocks { |
| 34 | #address-cells = <1>; |
| 35 | #size-cells = <1>; |
| 36 | ranges; |
| 37 | |
| 38 | osc: oscillator { |
| 39 | #clock-cells = <0>; |
| 40 | compatible = "fixed-clock"; |
| 41 | clock-frequency = <25000000>; |
| 42 | }; |
| 43 | |
| 44 | /* Cygnus ARM PLL */ |
| 45 | armpll: armpll { |
| 46 | #clock-cells = <0>; |
| 47 | compatible = "brcm,cygnus-armpll"; |
| 48 | clocks = <&osc>; |
| 49 | reg = <0x19000000 0x1000>; |
| 50 | }; |
| 51 | |
| 52 | /* peripheral clock for system timer */ |
| 53 | periph_clk: arm_periph_clk { |
| 54 | #clock-cells = <0>; |
| 55 | compatible = "fixed-factor-clock"; |
| 56 | clocks = <&armpll>; |
| 57 | clock-div = <2>; |
| 58 | clock-mult = <1>; |
| 59 | }; |
| 60 | |
| 61 | /* APB bus clock */ |
| 62 | apb_clk: apb_clk { |
| 63 | #clock-cells = <0>; |
| 64 | compatible = "fixed-factor-clock"; |
| 65 | clocks = <&armpll>; |
| 66 | clock-div = <4>; |
| 67 | clock-mult = <1>; |
| 68 | }; |
| 69 | |
| 70 | genpll: genpll { |
| 71 | #clock-cells = <1>; |
| 72 | compatible = "brcm,cygnus-genpll"; |
| 73 | reg = <0x0301d000 0x2c>, <0x0301c020 0x4>; |
| 74 | clocks = <&osc>; |
| 75 | clock-output-names = "genpll", "axi21", "250mhz", "ihost_sys", |
| 76 | "enet_sw", "audio_125", "can"; |
| 77 | }; |
| 78 | |
| 79 | /* always 1/2 of the axi21 clock */ |
| 80 | axi41_clk: axi41_clk { |
| 81 | #clock-cells = <0>; |
| 82 | compatible = "fixed-factor-clock"; |
| 83 | clocks = <&genpll 1>; |
| 84 | clock-div = <2>; |
| 85 | clock-mult = <1>; |
| 86 | }; |
| 87 | |
| 88 | /* always 1/4 of the axi21 clock */ |
| 89 | axi81_clk: axi81_clk { |
| 90 | #clock-cells = <0>; |
| 91 | compatible = "fixed-factor-clock"; |
| 92 | clocks = <&genpll 1>; |
| 93 | clock-div = <4>; |
| 94 | clock-mult = <1>; |
| 95 | }; |
| 96 | |
| 97 | lcpll0: lcpll0 { |
| 98 | #clock-cells = <1>; |
| 99 | compatible = "brcm,cygnus-lcpll0"; |
| 100 | reg = <0x0301d02c 0x1c>, <0x0301c020 0x4>; |
| 101 | clocks = <&osc>; |
| 102 | clock-output-names = "lcpll0", "pcie_phy", "ddr_phy", "sdio", |
| 103 | "usb_phy", "smart_card", "ch5"; |
| 104 | }; |
| 105 | |
| 106 | mipipll: mipipll { |
| 107 | #clock-cells = <1>; |
| 108 | compatible = "brcm,cygnus-mipipll"; |
| 109 | reg = <0x180a9800 0x2c>, <0x0301c020 0x4>, <0x180aa024 0x4>; |
| 110 | clocks = <&osc>; |
| 111 | clock-output-names = "mipipll", "ch0_unused", "ch1_lcd", |
| 112 | "ch2_v3d", "ch3_unused", "ch4_unused", |
| 113 | "ch5_unused"; |
| 114 | }; |
| 115 | |
| 116 | asiu_clks: asiu_clks { |
| 117 | #clock-cells = <1>; |
| 118 | compatible = "brcm,cygnus-asiu-clk"; |
| 119 | reg = <0x0301d048 0xc>, <0x180aa024 0x4>; |
| 120 | |
| 121 | clocks = <&osc>; |
| 122 | clock-output-names = "keypad", "adc/touch", "pwm"; |
| 123 | }; |
| 124 | }; |