From ea78e25b769740a801e259f4f6cb93fa92faa244 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sat, 29 Jun 2013 19:32:08 +0200 Subject: [PATCH 22/22] PINCTRL: add gpio_irq support --- drivers/pinctrl/pinctrl-xway.c | 28 ++++++++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c index 068224e..8719d35 100644 --- a/drivers/pinctrl/pinctrl-xway.c +++ b/drivers/pinctrl/pinctrl-xway.c @@ -564,10 +564,9 @@ static struct pinctrl_desc xway_pctrl_desc = { .confops = &xway_pinconf_ops, }; -static inline int xway_mux_apply(struct pinctrl_dev *pctrldev, +static int mux_apply(struct ltq_pinmux_info *info, int pin, int mux) { - struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev); int port = PORT(pin); u32 alt1_reg = GPIO_ALT1(pin); @@ -587,6 +586,14 @@ static inline int xway_mux_apply(struct pinctrl_dev *pctrldev, return 0; } +static inline int xway_mux_apply(struct pinctrl_dev *pctrldev, + int pin, int mux) +{ + struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev); + + return mux_apply(info, pin, mux); +} + static const struct ltq_cfg_param xway_cfg_params[] = { {"lantiq,pull", LTQ_PINCONF_PARAM_PULL}, {"lantiq,open-drain", LTQ_PINCONF_PARAM_OPEN_DRAIN}, @@ -631,6 +638,10 @@ static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val) { struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev); + if (PORT(pin) == PORT3) + gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin)); + else + gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin)); gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin)); xway_gpio_set(chip, pin, val); @@ -651,6 +662,18 @@ static void xway_gpio_free(struct gpio_chip *chip, unsigned offset) pinctrl_free_gpio(gpio); } +static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev); + int i; + + for (i = 0; i < info->num_exin; i++) + if (info->exin[i] == offset) + return ltq_eiu_get_irq(i); + + return -1; +} + static struct gpio_chip xway_chip = { .label = "gpio-xway", .direction_input = xway_gpio_dir_in, @@ -659,6 +682,7 @@ static struct gpio_chip xway_chip = { .set = xway_gpio_set, .request = xway_gpio_req, .free = xway_gpio_free, + .to_irq = xway_gpio_to_irq, .base = -1, }; -- 1.7.10.4