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cmd: pwm: Remove additional pwm description

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The first name is taken from command name that's why shouldn't be listed in
help. And commands shouldn't be listed with <> which means value but value
itself is command name.
Also add description for commands to make it clear what it does.

Before
pwm pwm <invert> <pwm_dev_num> <channel> <polarity>
pwm <config> <pwm_dev_num> <channel> <period_ns> <duty_ns>
...

After:
pwm invert <pwm_dev_num> <channel> <polarity> - invert polarity
pwm config <pwm_dev_num> <channel> <period_ns> <duty_ns> - config PWM
pwm enable <pwm_dev_num> <channel> - enable PWM output
pwm disable <pwm_dev_num> <channel> - disable PWM output

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Michal Simek 2021-07-01 11:44:51 +02:00
parent 57b2a43607
commit a84d3b6c56
1 changed files with 4 additions and 3 deletions
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7
cmd/pwm.c
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@ -108,7 +108,8 @@ static int do_pwm(struct cmd_tbl *cmdtp, int flag, int argc,
U_BOOT_CMD(pwm, 6, 0, do_pwm,
"control pwm channels",
"pwm <invert> <pwm_dev_num> <channel> <polarity>\n"
"pwm <config> <pwm_dev_num> <channel> <period_ns> <duty_ns>\n"
"pwm <enable/disable> <pwm_dev_num> <channel>\n"
"invert <pwm_dev_num> <channel> <polarity> - invert polarity\n"
"pwm config <pwm_dev_num> <channel> <period_ns> <duty_ns> - config PWM\n"
"pwm enable <pwm_dev_num> <channel> - enable PWM output\n"
"pwm disable <pwm_dev_num> <channel> - eisable PWM output\n"
"Note: All input values are in decimal");