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Gencay
Gencay
Associate III
September 16, 2022
Solved

Example Device Tree Configuration for Ethernet with RMII mode with Reference Clock (STM32MP15).

  • September 16, 2022
  • 1 reply
  • 2153 views

I have the connection on the image from AN5031 for my custom board and I my clock configuration can be seen on the other picture. Is my clock configuration correct and how its device tree code should be?0693W00000SvZE4QAN.png0693W00000SvZDzQAN.png0693W00000SvZDaQAN.png

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Best answer by PatrickF

Hi @Gencay​ 

please have a look to

https://wiki.st.com/stm32mpu/wiki/Ethernet_device_tree_configuration#RMII_with_50MHz_on_ETH_CLK_-28no_PHY_Crystal-29-2C_internal_REF_CLK_from_RCC_-28Reference_clock_-28standard_RMII_clock_name-29_is_provided_by_a_RCC_SoC_internal_clock-29

Regards,

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1 reply

PatrickF
PatrickFBest answer
ST Employee
September 16, 2022

Hi @Gencay​ 

please have a look to

https://wiki.st.com/stm32mpu/wiki/Ethernet_device_tree_configuration#RMII_with_50MHz_on_ETH_CLK_-28no_PHY_Crystal-29-2C_internal_REF_CLK_from_RCC_-28Reference_clock_-28standard_RMII_clock_name-29_is_provided_by_a_RCC_SoC_internal_clock-29

Regards,

In order to give better visibility on the answered topics, please click on 'Select as Best' on the reply which solved your issue or answered your question. See also 'Best Answers'

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