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pinctrl: cy8c95x0: Implement ->pin_dbg_show()

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The introduced callback ->pin_dbg_show() is useful for debugging.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Link: https://lore.kernel.org/r/20220902182650.83098-12-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2022-09-02 21:26:45 +03:00 committed by Linus Walleij
parent c3e4095287
commit f12352f334
1 changed files with 33 additions and 9 deletions
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42
drivers/pinctrl/pinctrl-cy8c95x0.c
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@ -1021,27 +1021,51 @@ static int cy8c95x0_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
return 0;
}
static const char *cy8c95x0_get_fname(unsigned int selector)
{
if (selector == 0)
return "gpio";
else
return "pwm";
}
static void cy8c95x0_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
unsigned int pin)
{
struct cy8c95x0_pinctrl *chip = pinctrl_dev_get_drvdata(pctldev);
DECLARE_BITMAP(mask, MAX_LINE);
DECLARE_BITMAP(pwm, MAX_LINE);
bitmap_zero(mask, MAX_LINE);
__set_bit(pin, mask);
if (cy8c95x0_read_regs_mask(chip, CY8C95X0_PWMSEL, pwm, mask)) {
seq_puts(s, "not available");
return;
}
seq_printf(s, "MODE:%s", cy8c95x0_get_fname(test_bit(pin, pwm)));
}
static const struct pinctrl_ops cy8c95x0_pinctrl_ops = {
.get_groups_count = cy8c95x0_pinctrl_get_groups_count,
.get_group_name = cy8c95x0_pinctrl_get_group_name,
.get_group_pins = cy8c95x0_pinctrl_get_group_pins,
.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
.dt_free_map = pinconf_generic_dt_free_map,
.pin_dbg_show = cy8c95x0_pin_dbg_show,
};
static const char *cy8c95x0_get_functions_name(struct pinctrl_dev *pctldev, unsigned int selector)
{
return cy8c95x0_get_fname(selector);
}
static int cy8c95x0_get_functions_count(struct pinctrl_dev *pctldev)
{
return 2;
}
static const char *cy8c95x0_get_fname(struct pinctrl_dev *pctldev, unsigned int selector)
{
if (selector == 0)
return "gpio";
else
return "pwm";
}
static int cy8c95x0_get_groups(struct pinctrl_dev *pctldev, unsigned int selector,
const char * const **groups,
unsigned int * const num_groups)
@ -1088,7 +1112,7 @@ static int cy8c95x0_set_mux(struct pinctrl_dev *pctldev, unsigned int selector,
static const struct pinmux_ops cy8c95x0_pmxops = {
.get_functions_count = cy8c95x0_get_functions_count,
.get_function_name = cy8c95x0_get_fname,
.get_function_name = cy8c95x0_get_functions_name,
.get_function_groups = cy8c95x0_get_groups,
.set_mux = cy8c95x0_set_mux,
.strict = true,