From 8c987eb15aa6e397e2dba63246c4d8785f5c9f41 Mon Sep 17 00:00:00 2001 From: Dario Binacchi Date: Wed, 2 Jun 2021 17:04:20 +0200 Subject: [PATCH] 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 Acked-by: Tony Lindgren Link: https://lore.kernel.org/r/20210602150420.18202-1-dariobin@libero.it Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-single.c | 3 +++ 1 file changed, 3 insertions(+) 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, }, };