• Laxman Dewangan's avatar
    ARM: dt: tegra: harmony: add regulators · 3cc404de
    Laxman Dewangan authored
    Harmony uses a TPS6586x regulator. Instantiate this, and hook up a
    couple of fixed GPIO-controlled regulators too.
    
    Based on Ventana regulator patch by Stephen Warren <swarren@nvidia.com>
    and converted to Harmony.
    
    swarren made the following changes:
    * Added ldo0 regulator configuration to device tree, and updated
      board-harmony-pcie.c for the new regulator name.
    * Fixed vdd_1v05's voltage from 10.5V to 1.05V.
    * Modified board-harmony-pcie.c to obtain the en_vdd_1v05 GPIO number at
      run-time from device tree instead of hard-coding it.
    * Removed board-harmony{-power.c,.h} now that they're unused.
    * Disabled vdd_1v05 regulator; the code in board-harmony-pcie.c hijacks
      this GPIO for now. This will be fixed when the PCIe driver is re-
      written as a driver. The code can't regulator_get("vdd_1v05") right
      now, because the vdd_1v05 regulator's probe gets deferred due to its
      supply being the PMIC, which gets probed after the regulator the first
      time around, and this dependency is only resolved by repeated probing,
      which happens when deferred_probe_initcall() is called, which happens
      in a late initcall, whose runtime order relative to harmony_pcie_init()
      is undefined, since that's also called from a late initcall.
    * Removed unused harmony_pcie_initcall().
    Signed-off-by: default avatarLaxman Dewangan <ldewangan@nvidia.com>
    Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
    3cc404de
board-harmony-pcie.c 1.89 KB