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pwm: axi-pwmgen: add .max_register to regmap

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This was missed in the basic driver and is useful for debug, so add it.

Example regmap output before the patch:

|root@zed-tg:~# cat /sys/kernel/debug/regmap/44a60000.pwm/registers
|0: 00020100

And with it:

|root@zed-tg:~# cat /sys/kernel/debug/regmap/44a60000.pwm/registers
|00: 00020100
|04: 00000000
|08: 00000000
|0c: 601a3471
|10: 00000000
|14: 00000002
|18: 00000001
|1c: 00000000
|...

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Link: https://lore.kernel.org/r/20240711125743.3956935-1-tgamblin@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
This commit is contained in:
Trevor Gamblin 2024-07-11 08:57:42 -04:00 committed by Uwe Kleine-König
parent 20c0455f3c
commit 240b129d59
1 changed files with 1 additions and 0 deletions
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drivers/pwm/pwm-axi-pwmgen.c
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@ -51,6 +51,7 @@ static const struct regmap_config axi_pwmgen_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0xFC,
};
static int axi_pwmgen_apply(struct pwm_chip *chip, struct pwm_device *pwm,