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regulator: Clarify documentation for regulator-regulator supplies

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The mechanism used for connecting regulators together when one regulator
supplies another wasn't clear as the names being used weren't really tied
together well.

Reported-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-09-08 10:38:59 -07:00
parent 2c1ba398ac
commit c3035a232e
1 changed files with 9 additions and 2 deletions
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11
Documentation/power/regulator/machine.txt
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@ -43,6 +43,7 @@ to their supply regulator :-
static struct regulator_init_data regulator1_data = {
.constraints = {
.name = "Regulator-1",
.min_uV = 3300000,
.max_uV = 3300000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
@ -51,13 +52,19 @@ static struct regulator_init_data regulator1_data = {
.consumer_supplies = regulator1_consumers,
};
The name field should be set to something that is usefully descriptive
for the board for configuration of supplies for other regulators and
for use in logging and other diagnostic output. Normally the name
used for the supply rail in the schematic is a good choice. If no
name is provided then the subsystem will choose one.
Regulator-1 supplies power to Regulator-2. This relationship must be registered
with the core so that Regulator-1 is also enabled when Consumer A enables its
supply (Regulator-2). The supply regulator is set by the supply_regulator
field below:-
field below and co:-
static struct regulator_init_data regulator2_data = {
.supply_regulator = "regulator_name",
.supply_regulator = "Regulator-1",
.constraints = {
.min_uV = 1800000,
.max_uV = 2000000,