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| author |   Dario Binacchi <dariobin@libero.it> | 2021-06-02 17:04:20 +0200 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2021-06-07 09:02:27 +0200 |
| commit | 8c987eb15aa6e397e2dba63246c4d8785f5c9f41 (patch) | |
| tree | 745516e9af9f26d3ef693ed10458783e794ce398 /drivers/pinctrl | |
| parent | pinctrl: mtk: Fix mt8365 Kconfig dependency (diff) | |
| download | linux-dev-8c987eb15aa6e397e2dba63246c4d8785f5c9f41.tar.xz linux-dev-8c987eb15aa6e397e2dba63246c4d8785f5c9f41.zip | |
pinctrl: single: config: enable the pin's input
It enables / disables the input buffer. As explained in the description
of 'enum pin_config_param' this does not affect the pin's ability to
drive output.
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Acked-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20210602150420.18202-1-dariobin@libero.it
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 7834d5d23224..e3aa64798f7d 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -534,6 +534,7 @@ static int pcs_pinconf_get(struct pinctrl_dev *pctldev, case PIN_CONFIG_DRIVE_STRENGTH: case PIN_CONFIG_SLEW_RATE: case PIN_CONFIG_MODE_LOW_POWER: + case PIN_CONFIG_INPUT_ENABLE: default: *config = data; break; @@ -572,6 +573,7 @@ static int pcs_pinconf_set(struct pinctrl_dev *pctldev, case PIN_CONFIG_DRIVE_STRENGTH: case PIN_CONFIG_SLEW_RATE: case PIN_CONFIG_MODE_LOW_POWER: + case PIN_CONFIG_INPUT_ENABLE: shift = ffs(func->conf[i].mask) - 1; data &= ~func->conf[i].mask; data |= (arg << shift) & func->conf[i].mask; @@ -918,6 +920,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, static const struct pcs_conf_type prop2[] = { { "pinctrl-single,drive-strength", PIN_CONFIG_DRIVE_STRENGTH, }, { "pinctrl-single,slew-rate", PIN_CONFIG_SLEW_RATE, }, + { "pinctrl-single,input-enable", PIN_CONFIG_INPUT_ENABLE, }, { "pinctrl-single,input-schmitt", PIN_CONFIG_INPUT_SCHMITT, }, { "pinctrl-single,low-power-mode", PIN_CONFIG_MODE_LOW_POWER, }, }; |