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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-09-02 21:26:45 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-09-08 10:06:01 +0200 |
| commit | f12352f334c28a85e738f9caa31a0c5b07febd20 (patch) | |
| tree | 12d022ba18c3dc19529decd517794b6531700bcc /drivers/pinctrl | |
| parent | c3e4095287afbc8954928ae79849766194d364ac (diff) | |
| download | linux-stable-f12352f334c28a85e738f9caa31a0c5b07febd20.tar.gz linux-stable-f12352f334c28a85e738f9caa31a0c5b07febd20.tar.bz2 linux-stable-f12352f334c28a85e738f9caa31a0c5b07febd20.zip | |
pinctrl: cy8c95x0: Implement ->pin_dbg_show()
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>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-cy8c95x0.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c index c714c438f641..e1900db54c16 100644 --- a/drivers/pinctrl/pinctrl-cy8c95x0.c +++ b/drivers/pinctrl/pinctrl-cy8c95x0.c @@ -1021,25 +1021,49 @@ 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 int cy8c95x0_get_functions_count(struct pinctrl_dev *pctldev) +static const char *cy8c95x0_get_functions_name(struct pinctrl_dev *pctldev, unsigned int selector) { - return 2; + return cy8c95x0_get_fname(selector); } -static const char *cy8c95x0_get_fname(struct pinctrl_dev *pctldev, unsigned int selector) +static int cy8c95x0_get_functions_count(struct pinctrl_dev *pctldev) { - if (selector == 0) - return "gpio"; - else - return "pwm"; + return 2; } static int cy8c95x0_get_groups(struct pinctrl_dev *pctldev, unsigned int selector, @@ -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, |