clk: eth: Add ETH_MCUX_RMII_EXT_CLK option to enable external RMII clock
This option will configure MCUX block (by setting RMIISRC [19] bit to 1 in SIM_SOPT2 register) to use external clock source for RMII from ENET_1588_CLKIN). Signed-off-by: Lukasz Majewski <lukma@denx.de>
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@ -22,6 +22,12 @@ config ETH_MCUX_PROMISCUOUS_MODE
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Place the Ethernet receiver in promiscuous mode. This may be useful
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for debugging and not needed for normal work.
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config ETH_MCUX_RMII_EXT_CLK
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bool "Enable RMII clock from external sources"
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help
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Setting this option will configure MCUX clock block to feed RMII
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reference clock from external source (ENET_1588_CLKIN)
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config ETH_MCUX_PHY_TICK_MS
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int "PHY poll period (ms)"
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default 1000
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