Changes between Version 19 and Version 20 of linux/devicetree


Ignore:
Timestamp:
03/03/2025 10:52:07 PM (2 days ago)
Author:
Tim Harvey
Comment:

add more examples for venice fixfdt

Legend:

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  • linux/devicetree

    v19 v20  
    8989setenv fixfdt 'fdt addr $fdt_addr_r && fdt resize && fdt set /soc@0/pcie@33800000 fsl,max-link-speed [00 00 00 01]'
    9090saveenv
     91}}}
     92  - limit mmc0 (SDHC1) max frequency to 25MHz (0x1900000)
     93{{{
     94setenv fixfdt  'fdt addr $fdt_addr_r && fdt resize && fdt set /soc@0/bus@30800000/mmc@30b40000 max-frequency [0x01 90 00 00] && echo lowered mmc0 max-frequency'
     95}}}
     96  - disable mmc0 ADMS2/ADMA1/SDMA to force PIO mode by setting 'sdhcp-caps-max <0x0 0x00580000>'
     97{{{
     98setenv fixfdt  'fdt addr $fdt_addr_r && fdt resize && fdt set /soc@0/bus@30800000/mmc@30b40000 sdhci-caps-mask [00 00 00 00 00 58 00 00] && echo disable mmc0 DMA'
    9199}}}
    92100  - change the pinmux registers for sdhc3: