From 42d90a1e5caf73138ddde42da5a9fe2b543f9a2c Mon Sep 17 00:00:00 2001 From: Caleb Connolly Date: Mon, 28 Mar 2022 01:50:03 +0100 Subject: [PATCH] pinctrl/rockchip: support setting input-enable param Handle the PIN_CONFIG_INPUT_ENABLE param for configuring GPIOs as input. Signed-off-by: Caleb Connolly Link: https://lore.kernel.org/r/20220328005005.72492-3-kc@postmarketos.org Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-rockchip.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 1eb0e45..06fa3fb 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2129,7 +2129,7 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, param = pinconf_to_config_param(configs[i]); arg = pinconf_to_config_argument(configs[i]); - if (param == (PIN_CONFIG_OUTPUT | PIN_CONFIG_INPUT_ENABLE)) { + if (param == PIN_CONFIG_OUTPUT || param == PIN_CONFIG_INPUT_ENABLE) { /* * Check for gpio driver not being probed yet. * The lock makes sure that either gpio-probe has completed @@ -2181,6 +2181,16 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, if (rc) return rc; break; + case PIN_CONFIG_INPUT_ENABLE: + rc = rockchip_set_mux(bank, pin - bank->pin_base, + RK_FUNC_GPIO); + if (rc != RK_FUNC_GPIO) + return -EINVAL; + + rc = gpio->direction_input(gpio, pin - bank->pin_base); + if (rc) + return rc; + break; case PIN_CONFIG_DRIVE_STRENGTH: /* rk3288 is the first with per-pin drive-strength */ if (!info->ctrl->drv_calc_reg) -- 2.7.4