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  1. Feb 20, 2020
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  3. Jan 24, 2020
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  5. Jan 16, 2020
    • Yangbo Lu's avatar
      Add global variable sdhc_per_clk for arm/powerpc · ac76dd08
      Yangbo Lu authored
      
      The QorIQ eSDHC controller supports two reference clocks. They are
      platform clock and periperhal clock. The global variable sdhc_clk
      has already been used for platform clock.
      This patch is to add another global variable sdhc_per_clk for
      periperhal clock, which provides higher frequency and is required
      to be used for SD UHS and eMMC HS200/HS400 speed modes.
      
      Signed-off-by: default avatarYangbo Lu <yangbo.lu@nxp.com>
      ac76dd08
    • Yangbo Lu's avatar
      powerpc/mpc85xx: drop eSDHC periperhal clock code · c2a8b4f8
      Yangbo Lu authored
      
      The below patch added eSDHC periperhal clock code initially.
      2d9ca2c7 mmc: fsl_esdhc: Add peripheral clock support
      
      The purpose was to fix up device tree properties "peripheral-frequency"
      so that linux could get the periperhal clock by it.
      However the implementation on both u-boot and linux was only
      for a Freescale SDK release. The linux part implementation had never
      been upstreamed. These code should not have been exist on u-boot
      mainline.
      
      Let's remove the powerpc part changes but keep the changes in
      fsl_esdhc driver. The changes in fsl_esdhc driver could be utilized
      to support SD UHS and eMMC HS200/HS400 speed modes for current
      Layerscape ARM platforms.
      
      Signed-off-by: default avatarYangbo Lu <yangbo.lu@nxp.com>
      c2a8b4f8
  6. Jan 08, 2020
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