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dm: pmic: Add 'reg status' to show all regulators

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It is convenient to be able to see the status of all regulators in a list.
Add this feature to the 'reg status' command.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-01-21 19:43:27 -07:00
parent 52db39a22b
commit 931b24c5a0
1 changed files with 56 additions and 10 deletions
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66
common/cmd_regulator.c
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@ -180,18 +180,13 @@ static int do_info(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return CMD_RET_SUCCESS;
}
static int do_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
static void do_status_detail(struct udevice *dev,
struct dm_regulator_uclass_platdata *uc_pdata)
{
struct dm_regulator_uclass_platdata *uc_pdata;
int current, value, mode, ret;
const char *mode_name = NULL;
struct udevice *dev;
int current, value, mode;
const char *mode_name;
bool enabled;
ret = curr_dev_and_platdata(&dev, &uc_pdata, true);
if (ret)
return ret;
printf("Regulator %s status:\n", uc_pdata->name);
enabled = regulator_get_enable(dev);
@ -206,6 +201,57 @@ static int do_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
mode = regulator_get_mode(dev);
mode_name = get_mode_name(uc_pdata->mode, uc_pdata->mode_count, mode);
constraint(" * mode id:", mode, mode_name);
}
static void do_status_line(struct udevice *dev)
{
struct dm_regulator_uclass_platdata *pdata;
int current, value, mode;
const char *mode_name;
bool enabled;
pdata = dev_get_uclass_platdata(dev);
enabled = regulator_get_enable(dev);
value = regulator_get_value(dev);
current = regulator_get_current(dev);
mode = regulator_get_mode(dev);
mode_name = get_mode_name(pdata->mode, pdata->mode_count, mode);
printf("%-20s %-10s ", pdata->name, enabled ? "enabled" : "disabled");
if (value >= 0)
printf("%10d ", value);
else
printf("%10s ", "-");
if (current >= 0)
printf("%10d ", current);
else
printf("%10s ", "-");
if (mode >= 0)
printf("%-10s", mode_name);
else
printf("%-10s", "-");
printf("\n");
}
static int do_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct dm_regulator_uclass_platdata *uc_pdata;
struct udevice *dev;
int ret;
if (currdev && (argc < 2 || strcmp(argv[1], "-a"))) {
ret = curr_dev_and_platdata(&dev, &uc_pdata, true);
if (ret)
return CMD_RET_FAILURE;
do_status_detail(dev, uc_pdata);
return 0;
}
/* Show all of them in a list, probing them as needed */
printf("%-20s %-10s %10s %10s %-10s\n", "Name", "Enabled", "uV", "mA",
"Mode");
for (ret = uclass_first_device(UCLASS_REGULATOR, &dev); dev;
ret = uclass_next_device(&dev))
do_status_line(dev);
return CMD_RET_SUCCESS;
}
@ -400,7 +446,7 @@ U_BOOT_CMD(regulator, CONFIG_SYS_MAXARGS, 1, do_regulator,
"list - list UCLASS regulator devices\n"
"regulator dev [regulator-name] - show/[set] operating regulator device\n"
"regulator info - print constraints info\n"
"regulator status - print operating status\n"
"regulator status [-a] - print operating status [for all]\n"
"regulator value [val] [-f] - print/[set] voltage value [uV] (force)\n"
"regulator current [val] - print/[set] current value [uA]\n"
"regulator mode [id] - print/[set] operating mode id\n"