• Peng Fan's avatar
    MLK-16268 arm: dts: 8qxp: add delay-us for usdhc2 · 593372c1
    Peng Fan authored
    
    
    Measured signal using oscilloscope.
    Add startup delay and off-on-delay-us to make usdhc2 vmmc
    supply work properly. Otherwise, the delay between power
    off/on is short and power actully not off, then card report
    S18A as 0 and could not switch voltage to 1.8V.
    Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
    593372c1
fsl-imx8qxp-lpddr4-arm2.dts 11.2 KB