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Add DT property to tell the MAX8907 that it should provide the
pm_power_off() implementation. This allows "shutdown" to work.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Whistler uses a Maxim 8907 regulator. Instantiate this.
The voltage settings were derived from the schematic. The only exception
is the BBAT voltage; the schematic says 1.2v, but the HW can't go that
low, so use the HW default of 2.4v instead.
Almost all regulators list all driven supply signal names in their
regulator-names property. The exception is nvvdd_sv3, which is in turn
named 12 more different names on the schematic, so these were omitted
for brevity.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Whistler is a highly configurable Tegra evaluation and development board.
This change adds support for the following specific configuration:
E1120 motherboard
E1108 CPU board
E1116 PMU board
The motherboard configuration switches are set as follows:
SW1=0 SW2=0 SW3=5
S1/S2/S3/S4 all on, except S3 7/8 are off.
Other combinations of daugher boards may work to varying degrees, but will
likely require some SW adjustment.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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