diff options
Diffstat (limited to 'Documentation/power/regulator/machine.txt')
| -rw-r--r-- | Documentation/power/regulator/machine.txt | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/Documentation/power/regulator/machine.txt b/Documentation/power/regulator/machine.txt index ce3487d99ab..ce63af0a8e3 100644 --- a/Documentation/power/regulator/machine.txt +++ b/Documentation/power/regulator/machine.txt @@ -16,7 +16,7 @@ initialisation code by creating a struct regulator_consumer_supply for each regulator. struct regulator_consumer_supply { - struct device *dev; /* consumer */ + const char *dev_name; /* consumer dev_name() */ const char *supply; /* consumer supply - e.g. "vcc" */ }; @@ -24,13 +24,13 @@ e.g. for the machine above static struct regulator_consumer_supply regulator1_consumers[] = { { - .dev = &platform_consumerB_device.dev, - .supply = "Vcc", + .dev_name = "dev_name(consumer B)", + .supply = "Vcc", },}; static struct regulator_consumer_supply regulator2_consumers[] = { { - .dev = &platform_consumerA_device.dev, + .dev = "dev_name(consumer A"), .supply = "Vcc", },}; @@ -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 it's -supply (Regulator-2). The supply regulator is set by the supply_regulator_dev -field below:- +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 and co:- static struct regulator_init_data regulator2_data = { - .supply_regulator_dev = &platform_regulator1_device.dev, + .supply_regulator = "Regulator-1", .constraints = { .min_uV = 1800000, .max_uV = 2000000, @@ -87,7 +94,7 @@ static struct platform_device regulator_devices[] = { }, }; /* register regulator 1 device */ -platform_device_register(&wm8350_regulator_devices[0]); +platform_device_register(®ulator_devices[0]); /* register regulator 2 device */ -platform_device_register(&wm8350_regulator_devices[1]); +platform_device_register(®ulator_devices[1]); |