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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4f71612ee3
The fec/enet driver calculates MDC rate with the formula below. ref_freq / ((MII_SPEED + 1) x 2) The ref_freq here is the fec internal module clock, which is missing from clk-vf610 clock driver right now. And clk-vf610 driver mistakenly supplies RMII clock (50 MHz) as the source to fec. This results in the situation that fec driver gets ref_freq as 50 MHz, while physically it runs at 66 MHz (fec module clock physically sources from ipg which runs at 66 MHz). That's why software expects MDC runs at 2.5 MHz, while the measurement tells it runs at 3.3 MHz. And this causes the PHY KSZ8041 keeps swithing between Full and Half mode as below. libphy: 400d0000.etherne:00 - Link is Up - 100/Full libphy: 400d0000.etherne:00 - Link is Up - 100/Half libphy: 400d0000.etherne:00 - Link is Up - 100/Full libphy: 400d0000.etherne:00 - Link is Up - 100/Half libphy: 400d0000.etherne:00 - Link is Up - 100/Full libphy: 400d0000.etherne:00 - Link is Up - 100/Half Add the missing module clock for ENET0 and ENET1, and correct the clock supplying in device tree to fix above issue. Thanks to Alison Wang <b18965@freescale.com> for debugging the issue. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
166 lines
5.0 KiB
C
166 lines
5.0 KiB
C
/*
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* Copyright 2013 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __DT_BINDINGS_CLOCK_VF610_H
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#define __DT_BINDINGS_CLOCK_VF610_H
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#define VF610_CLK_DUMMY 0
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#define VF610_CLK_SIRC_128K 1
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#define VF610_CLK_SIRC_32K 2
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#define VF610_CLK_FIRC 3
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#define VF610_CLK_SXOSC 4
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#define VF610_CLK_FXOSC 5
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#define VF610_CLK_FXOSC_HALF 6
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#define VF610_CLK_SLOW_CLK_SEL 7
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#define VF610_CLK_FASK_CLK_SEL 8
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#define VF610_CLK_AUDIO_EXT 9
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#define VF610_CLK_ENET_EXT 10
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#define VF610_CLK_PLL1_MAIN 11
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#define VF610_CLK_PLL1_PFD1 12
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#define VF610_CLK_PLL1_PFD2 13
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#define VF610_CLK_PLL1_PFD3 14
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#define VF610_CLK_PLL1_PFD4 15
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#define VF610_CLK_PLL2_MAIN 16
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#define VF610_CLK_PLL2_PFD1 17
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#define VF610_CLK_PLL2_PFD2 18
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#define VF610_CLK_PLL2_PFD3 19
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#define VF610_CLK_PLL2_PFD4 20
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#define VF610_CLK_PLL3_MAIN 21
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#define VF610_CLK_PLL3_PFD1 22
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#define VF610_CLK_PLL3_PFD2 23
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#define VF610_CLK_PLL3_PFD3 24
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#define VF610_CLK_PLL3_PFD4 25
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#define VF610_CLK_PLL4_MAIN 26
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#define VF610_CLK_PLL5_MAIN 27
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#define VF610_CLK_PLL6_MAIN 28
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#define VF610_CLK_PLL3_MAIN_DIV 29
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#define VF610_CLK_PLL4_MAIN_DIV 30
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#define VF610_CLK_PLL6_MAIN_DIV 31
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#define VF610_CLK_PLL1_PFD_SEL 32
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#define VF610_CLK_PLL2_PFD_SEL 33
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#define VF610_CLK_SYS_SEL 34
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#define VF610_CLK_DDR_SEL 35
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#define VF610_CLK_SYS_BUS 36
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#define VF610_CLK_PLATFORM_BUS 37
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#define VF610_CLK_IPG_BUS 38
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#define VF610_CLK_UART0 39
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#define VF610_CLK_UART1 40
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#define VF610_CLK_UART2 41
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#define VF610_CLK_UART3 42
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#define VF610_CLK_UART4 43
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#define VF610_CLK_UART5 44
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#define VF610_CLK_PIT 45
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#define VF610_CLK_I2C0 46
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#define VF610_CLK_I2C1 47
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#define VF610_CLK_I2C2 48
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#define VF610_CLK_I2C3 49
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#define VF610_CLK_FTM0_EXT_SEL 50
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#define VF610_CLK_FTM0_FIX_SEL 51
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#define VF610_CLK_FTM0_EXT_FIX_EN 52
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#define VF610_CLK_FTM1_EXT_SEL 53
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#define VF610_CLK_FTM1_FIX_SEL 54
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#define VF610_CLK_FTM1_EXT_FIX_EN 55
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#define VF610_CLK_FTM2_EXT_SEL 56
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#define VF610_CLK_FTM2_FIX_SEL 57
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#define VF610_CLK_FTM2_EXT_FIX_EN 58
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#define VF610_CLK_FTM3_EXT_SEL 59
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#define VF610_CLK_FTM3_FIX_SEL 60
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#define VF610_CLK_FTM3_EXT_FIX_EN 61
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#define VF610_CLK_FTM0 62
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#define VF610_CLK_FTM1 63
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#define VF610_CLK_FTM2 64
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#define VF610_CLK_FTM3 65
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#define VF610_CLK_ENET_50M 66
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#define VF610_CLK_ENET_25M 67
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#define VF610_CLK_ENET_SEL 68
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#define VF610_CLK_ENET 69
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#define VF610_CLK_ENET_TS_SEL 70
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#define VF610_CLK_ENET_TS 71
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#define VF610_CLK_DSPI0 72
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#define VF610_CLK_DSPI1 73
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#define VF610_CLK_DSPI2 74
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#define VF610_CLK_DSPI3 75
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#define VF610_CLK_WDT 76
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#define VF610_CLK_ESDHC0_SEL 77
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#define VF610_CLK_ESDHC0_EN 78
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#define VF610_CLK_ESDHC0_DIV 79
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#define VF610_CLK_ESDHC0 80
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#define VF610_CLK_ESDHC1_SEL 81
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#define VF610_CLK_ESDHC1_EN 82
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#define VF610_CLK_ESDHC1_DIV 83
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#define VF610_CLK_ESDHC1 84
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#define VF610_CLK_DCU0_SEL 85
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#define VF610_CLK_DCU0_EN 86
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#define VF610_CLK_DCU0_DIV 87
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#define VF610_CLK_DCU0 88
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#define VF610_CLK_DCU1_SEL 89
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#define VF610_CLK_DCU1_EN 90
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#define VF610_CLK_DCU1_DIV 91
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#define VF610_CLK_DCU1 92
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#define VF610_CLK_ESAI_SEL 93
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#define VF610_CLK_ESAI_EN 94
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#define VF610_CLK_ESAI_DIV 95
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#define VF610_CLK_ESAI 96
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#define VF610_CLK_SAI0_SEL 97
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#define VF610_CLK_SAI0_EN 98
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#define VF610_CLK_SAI0_DIV 99
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#define VF610_CLK_SAI0 100
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#define VF610_CLK_SAI1_SEL 101
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#define VF610_CLK_SAI1_EN 102
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#define VF610_CLK_SAI1_DIV 103
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#define VF610_CLK_SAI1 104
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#define VF610_CLK_SAI2_SEL 105
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#define VF610_CLK_SAI2_EN 106
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#define VF610_CLK_SAI2_DIV 107
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#define VF610_CLK_SAI2 108
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#define VF610_CLK_SAI3_SEL 109
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#define VF610_CLK_SAI3_EN 110
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#define VF610_CLK_SAI3_DIV 111
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#define VF610_CLK_SAI3 112
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#define VF610_CLK_USBC0 113
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#define VF610_CLK_USBC1 114
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#define VF610_CLK_QSPI0_SEL 115
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#define VF610_CLK_QSPI0_EN 116
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#define VF610_CLK_QSPI0_X4_DIV 117
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#define VF610_CLK_QSPI0_X2_DIV 118
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#define VF610_CLK_QSPI0_X1_DIV 119
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#define VF610_CLK_QSPI1_SEL 120
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#define VF610_CLK_QSPI1_EN 121
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#define VF610_CLK_QSPI1_X4_DIV 122
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#define VF610_CLK_QSPI1_X2_DIV 123
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#define VF610_CLK_QSPI1_X1_DIV 124
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#define VF610_CLK_QSPI0 125
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#define VF610_CLK_QSPI1 126
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#define VF610_CLK_NFC_SEL 127
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#define VF610_CLK_NFC_EN 128
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#define VF610_CLK_NFC_PRE_DIV 129
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#define VF610_CLK_NFC_FRAC_DIV 130
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#define VF610_CLK_NFC_INV 131
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#define VF610_CLK_NFC 132
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#define VF610_CLK_VADC_SEL 133
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#define VF610_CLK_VADC_EN 134
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#define VF610_CLK_VADC_DIV 135
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#define VF610_CLK_VADC_DIV_HALF 136
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#define VF610_CLK_VADC 137
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#define VF610_CLK_ADC0 138
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#define VF610_CLK_ADC1 139
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#define VF610_CLK_DAC0 140
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#define VF610_CLK_DAC1 141
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#define VF610_CLK_FLEXCAN0 142
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#define VF610_CLK_FLEXCAN1 143
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#define VF610_CLK_ASRC 144
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#define VF610_CLK_GPU_SEL 145
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#define VF610_CLK_GPU_EN 146
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#define VF610_CLK_GPU2D 147
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#define VF610_CLK_ENET0 148
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#define VF610_CLK_ENET1 149
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#define VF610_CLK_END 150
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#endif /* __DT_BINDINGS_CLOCK_VF610_H */
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