diff options
47 files changed, 392 insertions, 257 deletions
diff --git a/Documentation/gpio/driver.txt b/Documentation/gpio/driver.txt index 747c721776ed..ad8f0c0cd13f 100644 --- a/Documentation/gpio/driver.txt +++ b/Documentation/gpio/driver.txt @@ -146,10 +146,11 @@ a pull-up resistor is needed on the outgoing rail to complete the circuit, and in the second case, a pull-down resistor is needed on the rail. Hardware that supports open drain or open source or both, can implement a -special callback in the gpio_chip: .set_single_ended() that takes an enum flag -telling whether to configure the line as open drain, open source or push-pull. -This will happen in response to the GPIO_OPEN_DRAIN or GPIO_OPEN_SOURCE flag -set in the machine file, or coming from other hardware descriptions. +special callback in the gpio_chip: .set_config() that takes a generic +pinconf packed value telling whether to configure the line as open drain, +open source or push-pull. This will happen in response to the +GPIO_OPEN_DRAIN or GPIO_OPEN_SOURCE flag set in the machine file, or coming +from other hardware descriptions. If this state can not be configured in hardware, i.e. if the GPIO hardware does not support open drain/open source in hardware, the GPIO library will instead diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 3d1cf018e8e7..41d0ac142580 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -308,6 +308,18 @@ static int bcm_kona_gpio_set_debounce(struct gpio_chip *chip, unsigned gpio, return 0; } +static int bcm_kona_gpio_set_config(struct gpio_chip *chip, unsigned gpio, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return bcm_kona_gpio_set_debounce(chip, gpio, debounce); +} + static const struct gpio_chip template_chip = { .label = "bcm-kona-gpio", .owner = THIS_MODULE, @@ -318,7 +330,7 @@ static const struct gpio_chip template_chip = { .get = bcm_kona_gpio_get, .direction_output = bcm_kona_gpio_direction_output, .set = bcm_kona_gpio_set, - .set_debounce = bcm_kona_gpio_set_debounce, + .set_config = bcm_kona_gpio_set_config, .to_irq = bcm_kona_gpio_to_irq, .base = 0, }; diff --git a/drivers/gpio/gpio-dln2.c b/drivers/gpio/gpio-dln2.c index 5d38b08d1ee2..aecb847166f5 100644 --- a/drivers/gpio/gpio-dln2.c +++ b/drivers/gpio/gpio-dln2.c @@ -272,12 +272,16 @@ static int dln2_gpio_direction_output(struct gpio_chip *chip, unsigned offset, return dln2_gpio_set_direction(chip, offset, DLN2_GPIO_DIRECTION_OUT); } -static int dln2_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, - unsigned debounce) +static int dln2_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) { struct dln2_gpio *dln2 = gpiochip_get_data(chip); - __le32 duration = cpu_to_le32(debounce); + __le32 duration; + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + duration = cpu_to_le32(pinconf_to_config_argument(config)); return dln2_transfer_tx(dln2->pdev, DLN2_GPIO_SET_DEBOUNCE, &duration, sizeof(duration)); } @@ -474,7 +478,7 @@ static int dln2_gpio_probe(struct platform_device *pdev) dln2->gpio.get_direction = dln2_gpio_get_direction; dln2->gpio.direction_input = dln2_gpio_direction_input; dln2->gpio.direction_output = dln2_gpio_direction_output; - dln2->gpio.set_debounce = dln2_gpio_set_debounce; + dln2->gpio.set_config = dln2_gpio_set_config; platform_set_drvdata(pdev, dln2); diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 6193f62c0df4..9c15ee4ef4e9 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -279,6 +279,18 @@ static int dwapb_gpio_set_debounce(struct gpio_chip *gc, return 0; } +static int dwapb_gpio_set_config(struct gpio_chip *gc, unsigned offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return dwapb_gpio_set_debounce(gc, offset, debounce); +} + static irqreturn_t dwapb_irq_handler_mfd(int irq, void *dev_id) { u32 worked; @@ -426,7 +438,7 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, /* Only port A support debounce */ if (pp->idx == 0) - port->gc.set_debounce = dwapb_gpio_set_debounce; + port->gc.set_config = dwapb_gpio_set_config; if (pp->irq) dwapb_configure_irqs(gpio, port, pp); diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index d054219e18b9..45d384039e9b 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -291,15 +291,20 @@ static struct ep93xx_gpio_bank ep93xx_gpio_banks[] = { EP93XX_GPIO_BANK("H", 0x40, 0x44, 56, false), }; -static int ep93xx_gpio_set_debounce(struct gpio_chip *chip, - unsigned offset, unsigned debounce) +static int ep93xx_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) { int gpio = chip->base + offset; int irq = gpio_to_irq(gpio); + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; if (irq < 0) return -EINVAL; + debounce = pinconf_to_config_argument(config); ep93xx_gpio_int_debounce(irq, debounce ? true : false); return 0; @@ -335,7 +340,7 @@ static int ep93xx_gpio_add_bank(struct gpio_chip *gc, struct device *dev, gc->base = bank->base; if (bank->has_debounce) { - gc->set_debounce = ep93xx_gpio_set_debounce; + gc->set_config = ep93xx_gpio_set_config; gc->to_irq = ep93xx_gpio_to_irq; } diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c index e8accde62aa7..56bd76c33767 100644 --- a/drivers/gpio/gpio-f7188x.c +++ b/drivers/gpio/gpio-f7188x.c @@ -131,9 +131,8 @@ static int f7188x_gpio_get(struct gpio_chip *chip, unsigned offset); static int f7188x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value); static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value); -static int f7188x_gpio_set_single_ended(struct gpio_chip *gc, - unsigned offset, - enum single_ended_mode mode); +static int f7188x_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config); #define F7188X_GPIO_BANK(_base, _ngpio, _regbase) \ { \ @@ -145,7 +144,7 @@ static int f7188x_gpio_set_single_ended(struct gpio_chip *gc, .get = f7188x_gpio_get, \ .direction_output = f7188x_gpio_direction_out, \ .set = f7188x_gpio_set, \ - .set_single_ended = f7188x_gpio_set_single_ended, \ + .set_config = f7188x_gpio_set_config, \ .base = _base, \ .ngpio = _ngpio, \ .can_sleep = true, \ @@ -326,17 +325,17 @@ static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) superio_exit(sio->addr); } -static int f7188x_gpio_set_single_ended(struct gpio_chip *chip, - unsigned offset, - enum single_ended_mode mode) +static int f7188x_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) { int err; + enum pin_config_param param = pinconf_to_config_param(config); struct f7188x_gpio_bank *bank = gpiochip_get_data(chip); struct f7188x_sio *sio = bank->data->sio; u8 data; - if (mode != LINE_MODE_OPEN_DRAIN && - mode != LINE_MODE_PUSH_PULL) + if (param != PIN_CONFIG_DRIVE_OPEN_DRAIN && + param != PIN_CONFIG_DRIVE_PUSH_PULL) return -ENOTSUPP; err = superio_enter(sio->addr); @@ -345,7 +344,7 @@ static int f7188x_gpio_set_single_ended(struct gpio_chip *chip, superio_select(sio->addr, SIO_LD_GPIO); data = superio_inb(sio->addr, gpio_out_mode(bank->regbase)); - if (mode == LINE_MODE_OPEN_DRAIN) + if (param == PIN_CONFIG_DRIVE_OPEN_DRAIN) data &= ~BIT(offset); else data |= BIT(offset); diff --git a/drivers/gpio/gpio-lp873x.c b/drivers/gpio/gpio-lp873x.c index 218c706359aa..df0ad2cef0d2 100644 --- a/drivers/gpio/gpio-lp873x.c +++ b/drivers/gpio/gpio-lp873x.c @@ -100,21 +100,21 @@ static int lp873x_gpio_request(struct gpio_chip *gc, unsigned int offset) return 0; } -static int lp873x_gpio_set_single_ended(struct gpio_chip *gc, - unsigned int offset, - enum single_ended_mode mode) +static int lp873x_gpio_set_config(struct gpio_chip *gc, unsigned offset, + unsigned long config) { struct lp873x_gpio *gpio = gpiochip_get_data(gc); - switch (mode) { - case LINE_MODE_OPEN_DRAIN: + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: return regmap_update_bits(gpio->lp873->regmap, LP873X_REG_GPO_CTRL, BIT(offset * BITS_PER_GPO + LP873X_GPO_CTRL_OD), BIT(offset * BITS_PER_GPO + LP873X_GPO_CTRL_OD)); - case LINE_MODE_PUSH_PULL: + + case PIN_CONFIG_DRIVE_PUSH_PULL: return regmap_update_bits(gpio->lp873->regmap, LP873X_REG_GPO_CTRL, BIT(offset * BITS_PER_GPO + @@ -133,7 +133,7 @@ static const struct gpio_chip template_chip = { .direction_output = lp873x_gpio_direction_output, .get = lp873x_gpio_get, .set = lp873x_gpio_set, - .set_single_ended = lp873x_gpio_set_single_ended, + .set_config = lp873x_gpio_set_config, .base = -1, .ngpio = 2, .can_sleep = true, diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c index ec8de4190db9..743459d9477d 100644 --- a/drivers/gpio/gpio-max77620.c +++ b/drivers/gpio/gpio-max77620.c @@ -152,11 +152,10 @@ static int max77620_gpio_dir_output(struct gpio_chip *gc, unsigned int offset, return ret; } -static int max77620_gpio_set_debounce(struct gpio_chip *gc, +static int max77620_gpio_set_debounce(struct max77620_gpio *mgpio, unsigned int offset, unsigned int debounce) { - struct max77620_gpio *mgpio = gpiochip_get_data(gc); u8 val; int ret; @@ -202,21 +201,23 @@ static void max77620_gpio_set(struct gpio_chip *gc, unsigned int offset, dev_err(mgpio->dev, "CNFG_GPIO_OUT update failed: %d\n", ret); } -static int max77620_gpio_set_single_ended(struct gpio_chip *gc, - unsigned int offset, - enum single_ended_mode mode) +static int max77620_gpio_set_config(struct gpio_chip *gc, unsigned int offset, + unsigned long config) { struct max77620_gpio *mgpio = gpiochip_get_data(gc); - switch (mode) { - case LINE_MODE_OPEN_DRAIN: + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: return regmap_update_bits(mgpio->rmap, GPIO_REG_ADDR(offset), MAX77620_CNFG_GPIO_DRV_MASK, MAX77620_CNFG_GPIO_DRV_OPENDRAIN); - case LINE_MODE_PUSH_PULL: + case PIN_CONFIG_DRIVE_PUSH_PULL: return regmap_update_bits(mgpio->rmap, GPIO_REG_ADDR(offset), MAX77620_CNFG_GPIO_DRV_MASK, MAX77620_CNFG_GPIO_DRV_PUSHPULL); + case PIN_CONFIG_INPUT_DEBOUNCE: + return max77620_gpio_set_debounce(mgpio, offset, + pinconf_to_config_argument(config)); default: break; } @@ -257,9 +258,8 @@ static int max77620_gpio_probe(struct platform_device *pdev) mgpio->gpio_chip.direction_input = max77620_gpio_dir_input; mgpio->gpio_chip.get = max77620_gpio_get; mgpio->gpio_chip.direction_output = max77620_gpio_dir_output; - mgpio->gpio_chip.set_debounce = max77620_gpio_set_debounce; mgpio->gpio_chip.set = max77620_gpio_set; - mgpio->gpio_chip.set_single_ended = max77620_gpio_set_single_ended; + mgpio->gpio_chip.set_config = max77620_gpio_set_config; mgpio->gpio_chip.to_irq = max77620_gpio_to_irq; mgpio->gpio_chip.ngpio = MAX77620_GPIO_NR; mgpio->gpio_chip.can_sleep = 1; diff --git a/drivers/gpio/gpio-menz127.c b/drivers/gpio/gpio-menz127.c index a1210e330571..e1037582e34d 100644 --- a/drivers/gpio/gpio-menz127.c +++ b/drivers/gpio/gpio-menz127.c @@ -89,22 +89,18 @@ static int men_z127_debounce(struct gpio_chip *gc, unsigned gpio, static int men_z127_set_single_ended(struct gpio_chip *gc, unsigned offset, - enum single_ended_mode mode) + enum pin_config_param param) { struct men_z127_gpio *priv = gpiochip_get_data(gc); u32 od_en; - if (mode != LINE_MODE_OPEN_DRAIN && - mode != LINE_MODE_PUSH_PULL) - return -ENOTSUPP; - spin_lock(&gc->bgpio_lock); od_en = readl(priv->reg_base + MEN_Z127_ODER); - if (mode == LINE_MODE_OPEN_DRAIN) + if (param == PIN_CONFIG_DRIVE_OPEN_DRAIN) od_en |= BIT(offset); else - /* Implicitly LINE_MODE_PUSH_PULL */ + /* Implicitly PIN_CONFIG_DRIVE_PUSH_PULL */ od_en &= ~BIT(offset); writel(od_en, priv->reg_base + MEN_Z127_ODER); @@ -113,6 +109,27 @@ static int men_z127_set_single_ended(struct gpio_chip *gc, return 0; } +static int men_z127_set_config(struct gpio_chip *gc, unsigned offset, + unsigned long config) +{ + enum pin_config_param param = pinconf_to_config_param(config); + + switch (param) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + case PIN_CONFIG_DRIVE_PUSH_PULL: + return men_z127_set_single_ended(gc, offset, param); + + case PIN_CONFIG_INPUT_DEBOUNCE: + return men_z127_debounce(gc, offset, + pinconf_to_config_argument(config)); + + default: + break; + } + + return -ENOTSUPP; +} + static int men_z127_probe(struct mcb_device *mdev, const struct mcb_device_id *id) { @@ -149,8 +166,7 @@ static int men_z127_probe(struct mcb_device *mdev, if (ret) goto err_unmap; - men_z127_gpio->gc.set_debounce = men_z127_debounce; - men_z127_gpio->gc.set_single_ended = men_z127_set_single_ended; + men_z127_gpio->gc.set_config = men_z127_set_config; ret = gpiochip_add_data(&men_z127_gpio->gc, men_z127_gpio); if (ret) { diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c index 69e0f4ace465..f40088d268c1 100644 --- a/drivers/gpio/gpio-merrifield.c +++ b/drivers/gpio/gpio-merrifield.c @@ -190,6 +190,18 @@ static int mrfld_gpio_set_debounce(struct gpio_chip *chip, unsigned int offset, return 0; } +static int mrfld_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return mrfld_gpio_set_debounce(chip, offset, debounce); +} + static void mrfld_irq_ack(struct irq_data *d) { struct mrfld_gpio *priv = irq_data_get_irq_chip_data(d); @@ -414,7 +426,7 @@ static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id priv->chip.get = mrfld_gpio_get; priv->chip.set = mrfld_gpio_set; priv->chip.get_direction = mrfld_gpio_get_direction; - priv->chip.set_debounce = mrfld_gpio_set_debounce; + priv->chip.set_config = mrfld_gpio_set_config; priv->chip.base = gpio_base; priv->chip.ngpio = MRFLD_NGPIO; priv->chip.can_sleep = false; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index b98ede78c9d8..efc85a279d54 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -974,6 +974,18 @@ static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset, return 0; } +static int omap_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return omap_gpio_debounce(chip, offset, debounce); +} + static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_bank *bank; @@ -1045,7 +1057,7 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) bank->chip.direction_input = omap_gpio_input; bank->chip.get = omap_gpio_get; bank->chip.direction_output = omap_gpio_output; - bank->chip.set_debounce = omap_gpio_debounce; + bank->chip.set_config = omap_gpio_set_config; bank->chip.set = omap_gpio_set; if (bank->is_mpuio) { bank->chip.label = "mpuio"; diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index be97101c2c9a..433b45ef332e 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -100,9 +100,8 @@ static int tc3589x_gpio_get_direction(struct gpio_chip *chip, return !(ret & BIT(pos)); } -static int tc3589x_gpio_set_single_ended(struct gpio_chip *chip, - unsigned int offset, - enum single_ended_mode mode) +static int tc3589x_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) { struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; @@ -116,22 +115,22 @@ static int tc3589x_gpio_set_single_ended(struct gpio_chip *chip, unsigned int pos = offset % 8; int ret; - switch(mode) { - case LINE_MODE_OPEN_DRAIN: + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: /* Set open drain mode */ ret = tc3589x_set_bits(tc3589x, odmreg, BIT(pos), 0); if (ret) return ret; /* Enable open drain/source mode */ return tc3589x_set_bits(tc3589x, odereg, BIT(pos), BIT(pos)); - case LINE_MODE_OPEN_SOURCE: + case PIN_CONFIG_DRIVE_OPEN_SOURCE: /* Set open source mode */ ret = tc3589x_set_bits(tc3589x, odmreg, BIT(pos), BIT(pos)); if (ret) return ret; /* Enable open drain/source mode */ return tc3589x_set_bits(tc3589x, odereg, BIT(pos), BIT(pos)); - case LINE_MODE_PUSH_PULL: + case PIN_CONFIG_DRIVE_PUSH_PULL: /* Disable open drain/source mode */ return tc3589x_set_bits(tc3589x, odereg, BIT(pos), 0); default: @@ -148,7 +147,7 @@ static const struct gpio_chip template_chip = { .direction_output = tc3589x_gpio_direction_output, .direction_input = tc3589x_gpio_direction_input, .get_direction = tc3589x_gpio_get_direction, - .set_single_ended = tc3589x_gpio_set_single_ended, + .set_config = tc3589x_gpio_set_config, .can_sleep = true, }; diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 661b0e34e067..88529d3c06c9 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -238,6 +238,18 @@ static int tegra_gpio_set_debounce(struct gpio_chip *chip, unsigned int offset, return 0; } +static int tegra_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return tegra_gpio_set_debounce(chip, offset, debounce); +} + static int tegra_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { struct tegra_gpio_info *tgi = gpiochip_get_data(chip); @@ -615,7 +627,7 @@ static int tegra_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tgi); if (config->debounce_supported) - tgi->gc.set_debounce = tegra_gpio_set_debounce; + tgi->gc.set_config = tegra_gpio_set_config; tgi->bank_info = devm_kzalloc(&pdev->dev, tgi->bank_count * sizeof(*tgi->bank_info), GFP_KERNEL); diff --git a/drivers/gpio/gpio-tps65218.c b/drivers/gpio/gpio-tps65218.c index 46e6dcc089cb..a379bba57d31 100644 --- a/drivers/gpio/gpio-tps65218.c +++ b/drivers/gpio/gpio-tps65218.c @@ -139,28 +139,28 @@ static int tps65218_gpio_request(struct gpio_chip *gc, unsigned offset) return 0; } -static int tps65218_gpio_set_single_ended(struct gpio_chip *gc, - unsigned offset, - enum single_ended_mode mode) +static int tps65218_gpio_set_config(struct gpio_chip *gc, unsigned offset, + unsigned long config) { struct tps65218_gpio *tps65218_gpio = gpiochip_get_data(gc); struct tps65218 *tps65218 = tps65218_gpio->tps65218; + enum pin_config_param param = pinconf_to_config_param(config); switch (offset) { case 0: case 2: /* GPO1 is hardwired to be open drain */ - if (mode == LINE_MODE_OPEN_DRAIN) + if (param == PIN_CONFIG_DRIVE_OPEN_DRAIN) return 0; return -ENOTSUPP; case 1: /* GPO2 is push-pull by default, can be set as open drain. */ - if (mode == LINE_MODE_OPEN_DRAIN) + if (param == PIN_CONFIG_DRIVE_OPEN_DRAIN) return tps65218_clear_bits(tps65218, TPS65218_REG_CONFIG1, TPS65218_CONFIG1_GPO2_BUF, TPS65218_PROTECT_L1); - if (mode == LINE_MODE_PUSH_PULL) + if (param == PIN_CONFIG_DRIVE_PUSH_PULL) return tps65218_set_bits(tps65218, TPS65218_REG_CONFIG1, TPS65218_CONFIG1_GPO2_BUF, @@ -181,7 +181,7 @@ static const struct gpio_chip template_chip = { .direction_input = tps65218_gpio_input, .get = tps65218_gpio_get, .set = tps65218_gpio_set, - .set_single_ended = tps65218_gpio_set_single_ended, + .set_config = tps65218_gpio_set_config, .can_sleep = true, .ngpio = 3, .base = -1, diff --git a/drivers/gpio/gpio-vx855.c b/drivers/gpio/gpio-vx855.c index 4e450121129b..98a6f1fcc561 100644 --- a/drivers/gpio/gpio-vx855.c +++ b/drivers/gpio/gpio-vx855.c @@ -186,23 +186,24 @@ static int vx855gpio_direction_output(struct gpio_chip *gpio, return 0; } -static int vx855gpio_set_single_ended(struct gpio_chip *gpio, - unsigned int nr, - enum single_ended_mode mode) +static int vx855gpio_set_config(struct gpio_chip *gpio, unsigned int nr, + unsigned long config) { + enum pin_config_param param = pinconf_to_config_param(config); + /* The GPI cannot be single-ended */ if (nr < NR_VX855_GPI) return -EINVAL; /* The GPO's are push-pull */ if (nr < NR_VX855_GPInO) { - if (mode != LINE_MODE_PUSH_PULL) + if (param != PIN_CONFIG_DRIVE_PUSH_PULL) return -ENOTSUPP; return 0; } /* The GPIO's are open drain */ - if (mode != LINE_MODE_OPEN_DRAIN) + if (param != PIN_CONFIG_DRIVE_OPEN_DRAIN) return -ENOTSUPP; return 0; @@ -231,7 +232,7 @@ static void vx855gpio_gpio_setup(struct vx855_gpio *vg) c->direction_output = vx855gpio_direction_output; c->get = vx855gpio_get; c->set = vx855gpio_set; - c->set_single_ended = vx855gpio_set_single_ended; + c->set_config = vx855gpio_set_config, c->dbg_show = NULL; c->base = 0; c->ngpio = NR_VX855_GP; diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c index 34baee5b1dd6..97613de5304e 100644 --- a/drivers/gpio/gpio-wcove.c +++ b/drivers/gpio/gpio-wcove.c @@ -202,17 +202,16 @@ static void wcove_gpio_set(struct gpio_chip *chip, regmap_update_bits(wg->regmap, to_reg(gpio, CTRL_OUT), 1, 0); } -static int wcove_gpio_set_single_ended(struct gpio_chip *chip, - unsigned int gpio, - enum single_ended_mode mode) +static int wcove_gpio_set_config(struct gpio_chip *chip, unsigned int gpio, + unsigned long config) { struct wcove_gpio *wg = gpiochip_get_data(chip); - switch (mode) { - case LINE_MODE_OPEN_DRAIN: + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: return regmap_update_bits(wg->regmap, to_reg(gpio, CTRL_OUT), CTLO_DRV_MASK, CTLO_DRV_OD); - case LINE_MODE_PUSH_PULL: + case PIN_CONFIG_DRIVE_PUSH_PULL: return regmap_update_bits(wg->regmap, to_reg(gpio, CTRL_OUT), CTLO_DRV_MASK, CTLO_DRV_CMOS); default: @@ -411,7 +410,7 @@ static int wcove_gpio_probe(struct platform_device *pdev) wg->chip.get_direction = wcove_gpio_get_direction; wg->chip.get = wcove_gpio_get; wg->chip.set = wcove_gpio_set; - wg->chip.set_single_ended = wcove_gpio_set_single_ended, + wg->chip.set_config = wcove_gpio_set_config, wg->chip.base = -1; wg->chip.ngpio = WCOVE_VGPIO_NUM; wg->chip.can_sleep = true; diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c index 533707f943f4..00e3839b3f96 100644 --- a/drivers/gpio/gpio-wm831x.c +++ b/drivers/gpio/gpio-wm831x.c @@ -101,11 +101,9 @@ static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) WM831X_IRQ_GPIO_1 + offset); } -static int wm831x_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, +static int wm831x_gpio_set_debounce(struct wm831x *wm831x, unsigned offset, unsigned debounce) { - struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); - struct wm831x *wm831x = wm831x_gpio->wm831x; int reg = WM831X_GPIO1_CONTROL + offset; int ret, fn; @@ -132,21 +130,23 @@ static int wm831x_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, return wm831x_set_bits(wm831x, reg, WM831X_GPN_FN_MASK, fn); } -static int wm831x_set_single_ended(struct gpio_chip *chip, - unsigned int offset, - enum single_ended_mode mode) +static int wm831x_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) { struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int reg = WM831X_GPIO1_CONTROL + offset; - switch (mode) { - case LINE_MODE_OPEN_DRAIN: + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: return wm831x_set_bits(wm831x, reg, WM831X_GPN_OD_MASK, WM831X_GPN_OD); - case LINE_MODE_PUSH_PULL: + case PIN_CONFIG_DRIVE_PUSH_PULL: return wm831x_set_bits(wm831x, reg, WM831X_GPN_OD_MASK, 0); + case PIN_CONFIG_INPUT_DEBOUNCE: + return wm831x_gpio_set_debounce(wm831x, offset, + pinconf_to_config_argument(config)); default: break; } @@ -255,8 +255,7 @@ static const struct gpio_chip template_chip = { .direction_output = wm831x_gpio_direction_out, .set = wm831x_gpio_set, .to_irq = wm831x_gpio_to_irq, - .set_debounce = wm831x_gpio_set_debounce, - .set_single_ended = wm831x_set_single_ended, + .set_config = wm831x_set_config, .dbg_show = wm831x_gpio_dbg_show, .can_sleep = true, }; diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c index 68410fda6138..1e35756ac55b 100644 --- a/drivers/gpio/gpio-wm8994.c +++ b/drivers/gpio/gpio-wm8994.c @@ -103,19 +103,18 @@ static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value) wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL, value); } -static int wm8994_gpio_set_single_ended(struct gpio_chip *chip, - unsigned int offset, - enum single_ended_mode mode) +static int wm8994_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) { struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; - switch (mode) { - case LINE_MODE_OPEN_DRAIN: + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_OP_CFG_MASK, WM8994_GPN_OP_CFG); - case LINE_MODE_PUSH_PULL: + case PIN_CONFIG_DRIVE_PUSH_PULL: return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_OP_CFG_MASK, 0); default: @@ -257,7 +256,7 @@ static const struct gpio_chip template_chip = { .get = wm8994_gpio_get, .direction_output = wm8994_gpio_direction_out, .set = wm8994_gpio_set, - .set_single_ended = wm8994_gpio_set_single_ended, + .set_config = wm8994_gpio_set_config, .to_irq = wm8994_gpio_to_irq, .dbg_show = wm8994_gpio_dbg_show, .can_sleep = true, diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index f4c26c7826cd..b1659860be1a 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1876,6 +1876,19 @@ void gpiochip_generic_free(struct gpio_chip *chip, unsigned offset) } EXPORT_SYMBOL_GPL(gpiochip_generic_free); +/** + * gpiochip_generic_config() - apply configuration for a pin + * @chip: the gpiochip owning the GPIO + * @offset: the offset of the GPIO to apply the configuration + * @config: the configuration to be applied + */ +int gpiochip_generic_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) +{ + return pinctrl_gpio_set_config(chip->gpiodev->base + offset, config); +} +EXPORT_SYMBOL_GPL(gpiochip_generic_config); + #ifdef CONFIG_PINCTRL /** @@ -2264,6 +2277,14 @@ int gpiod_direction_input(struct gpio_desc *desc) } EXPORT_SYMBOL_GPL(gpiod_direction_input); +static int gpio_set_drive_single_ended(struct gpio_chip *gc, unsigned offset, + enum pin_config_param mode) +{ + unsigned long config = { PIN_CONF_PACKED(mode, 0) }; + + return gc->set_config ? gc->set_config(gc, offset, config) : -ENOTSUPP; +} + static int _gpiod_direction_output_raw(struct gpio_desc *desc, int value) { struct gpio_chip *gc = desc->gdev->chip; @@ -2280,32 +2301,25 @@ static int _gpiod_direction_output_raw(struct gpio_desc *desc, int value) if (test_bit(FLAG_OPEN_DRAIN, &desc->flags)) { /* First see if we can enable open drain in hardware */ - if (gc->set_single_ended) { - ret = gc->set_single_ended(gc, gpio_chip_hwgpio(desc), - LINE_MODE_OPEN_DRAIN); - if (!ret) - goto set_output_value; - } + ret = gpio_set_drive_single_ended(gc, gpio_chip_hwgpio(desc), + PIN_CONFIG_DRIVE_OPEN_DRAIN); + if (!ret) + goto set_output_value; /* Emulate open drain by not actively driving the line high */ if (val) return gpiod_direction_input(desc); } else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags)) { - if (gc->set_single_ended) { - ret = gc->set_single_ended(gc, gpio_chip_hwgpio(desc), - LINE_MODE_OPEN_SOURCE); - if (!ret) - goto set_output_value; - } + ret = gpio_set_drive_single_ended(gc, gpio_chip_hwgpio(desc), + PIN_CONFIG_DRIVE_OPEN_SOURCE); + if (!ret) + goto set_output_value; /* Emulate open source by not actively driving the line low */ if (!val) return gpiod_direction_input(desc); } else { - /* Make sure to disable open drain/source hardware, if any */ - if (gc->set_single_ended) - gc->set_single_ended(gc, - gpio_chip_hwgpio(desc), - LINE_MODE_PUSH_PULL); + gpio_set_drive_single_ended(gc, gpio_chip_hwgpio(desc), + PIN_CONFIG_DRIVE_PUSH_PULL); } set_output_value: @@ -2376,17 +2390,19 @@ EXPORT_SYMBOL_GPL(gpiod_direction_output); int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce) { struct gpio_chip *chip; + unsigned long config; VALIDATE_DESC(desc); chip = desc->gdev->chip; - if (!chip->set || !chip->set_debounce) { + if (!chip->set || !chip->set_config) { gpiod_dbg(desc, - "%s: missing set() or set_debounce() operations\n", + "%s: missing set() or set_config() operations\n", __func__); return -ENOTSUPP; } - return chip->set_debounce(chip, gpio_chip_hwgpio(desc), debounce); + config = pinconf_to_config_packed(PIN_CONFIG_INPUT_DEBOUNCE, debounce); + return chip->set_config(chip, gpio_chip_hwgpio(desc), config); } EXPORT_SYMBOL_GPL(gpiod_set_debounce); diff --git a/drivers/pinctrl/bcm/pinctrl-bcm281xx.c b/drivers/pinctrl/bcm/pinctrl-bcm281xx.c index a5331fdfc795..810a81786f62 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm281xx.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm281xx.c @@ -1106,7 +1106,7 @@ static int bcm281xx_std_pin_update(struct pinctrl_dev *pctldev, struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev); int i; enum pin_config_param param; - u16 arg; + u32 arg; for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); @@ -1222,7 +1222,7 @@ static int bcm281xx_i2c_pin_update(struct pinctrl_dev *pctldev, struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev); int i, j; enum pin_config_param param; - u16 arg; + u32 arg; for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); @@ -1292,7 +1292,7 @@ static int bcm281xx_hdmi_pin_update(struct pinctrl_dev *pctldev, struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev); int i; enum pin_config_param param; - u16 arg; + u32 arg; for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c index 5d1e505c3c63..3ca925dfefd1 100644 --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c @@ -619,7 +619,7 @@ static int iproc_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, { struct iproc_gpio *chip = pinctrl_dev_get_drvdata(pctldev); enum pin_config_param param; - u16 arg; + u32 arg; unsigned i, gpio = iproc_pin_to_gpio(pin); int ret = -ENOTSUPP; diff --git a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c index 13a4c2774157..4b5cf0e0f16e 100644 --- a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c +++ b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c @@ -703,7 +703,7 @@ static int ns2_pin_get_enable(struct pinctrl_dev *pctrldev, unsigned int pin) } static int ns2_pin_set_slew(struct pinctrl_dev *pctrldev, unsigned int pin, - u16 slew) + u32 slew) { struct ns2_pinctrl *pinctrl = pinctrl_dev_get_drvdata(pctrldev); struct ns2_pin *pin_data = pctrldev->desc->pins[pin].drv_data; @@ -793,7 +793,7 @@ static void ns2_pin_get_pull(struct pinctrl_dev *pctrldev, } static int ns2_pin_set_strength(struct pinctrl_dev *pctrldev, unsigned int pin, - u16 strength) + u32 strength) { struct ns2_pinctrl *pinctrl = pinctrl_dev_get_drvdata(pctrldev); struct ns2_pin *pin_data = pctrldev->desc->pins[pin].drv_data; @@ -904,7 +904,7 @@ static int ns2_pin_config_set(struct pinctrl_dev *pctrldev, unsigned int pin, struct ns2_pin *pin_data = pctrldev->desc->pins[pin].drv_data; enum pin_config_param param; unsigned int i; - u16 arg; + u32 arg; int ret = -ENOTSUPP; if (pin_data->pin_conf.base == -1) diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c index c8deb8be1da7..91ea32dc1e7f 100644 --- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c @@ -366,7 +366,7 @@ static const struct pinctrl_ops nsp_pctrl_ops = { .dt_free_map = pinctrl_utils_free_map, }; -static int nsp_gpio_set_slew(struct nsp_gpio *chip, unsigned gpio, u16 slew) +static int nsp_gpio_set_slew(struct nsp_gpio *chip, unsigned gpio, u32 slew) { if (slew) nsp_set_bit(chip, IO_CTRL, NSP_GPIO_SLEW_RATE_EN, gpio, true); @@ -403,7 +403,7 @@ static void nsp_gpio_get_pull(struct nsp_gpio *chip, unsigned gpio, } static int nsp_gpio_set_strength(struct nsp_gpio *chip, unsigned gpio, - u16 strength) + u32 strength) { u32 offset, shift, i; u32 val; @@ -522,7 +522,7 @@ static int nsp_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, { struct nsp_gpio *chip = pinctrl_dev_get_drvdata(pctldev); enum pin_config_param param; - u16 arg; + u32 arg; unsigned int i, gpio; int ret = -ENOTSUPP; diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 2f853e03d28d..d69046537b75 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -862,6 +862,35 @@ int pinctrl_gpio_direction_output(unsigned gpio) } EXPORT_SYMBOL_GPL(pinctrl_gpio_direction_output); +/** + * pinctrl_gpio_set_config() - Apply config to given GPIO pin + * @gpio: the GPIO pin number from the GPIO subsystem number space + * @config: the configuration to apply to the GPIO + * + * This function should *ONLY* be used from gpiolib-based GPIO drivers, if + * they need to call the underlying pin controller to change GPIO config + * (for example set debounce time). + */ +int pinctrl_gpio_set_config(unsigned gpio, unsigned long config) +{ + unsigned long configs[] = { config }; + struct pinctrl_gpio_range *range; + struct pinctrl_dev *pctldev; + int ret, pin; + + ret = pinctrl_get_device_gpio_range(gpio, &pctldev, &range); + if (ret) + return ret; + + mutex_lock(&pctldev->mutex); + pin = gpio_to_pin(range, gpio); + ret = pinconf_set_config(pctldev, pin, configs, ARRAY_SIZE(configs)); + mutex_unlock(&pctldev->mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(pinctrl_gpio_set_config); + static struct pinctrl_state *find_state(struct pinctrl *p, const char *name) { diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 5e66860a5e67..f80134e3e0b6 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1059,7 +1059,7 @@ static int chv_config_get(struct pinctrl_dev *pctldev, unsigned pin, } static int chv_config_set_pull(struct chv_pinctrl *pctrl, unsigned pin, - enum pin_config_param param, u16 arg) + enum pin_config_param param, u32 arg) { void __iomem *reg = chv_padreg(pctrl, pin, CHV_PADCTRL0); unsigned long flags; @@ -1151,7 +1151,7 @@ static int chv_config_set(struct pinctrl_dev *pctldev, unsigned pin, struct chv_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); enum pin_config_param param; int i, ret; - u16 arg; + u32 arg; if (chv_pad_locked(pctrl, pin)) return -EBUSY; diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index f9aef2ac03a1..3cf384f8b122 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -1054,6 +1054,18 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, return 0; } +static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return mtk_gpio_set_debounce(chip, offset, debounce); +} + static const struct gpio_chip mtk_gpio_chip = { .owner = THIS_MODULE, .request = gpiochip_generic_request, @@ -1064,7 +1076,7 @@ static const struct gpio_chip mtk_gpio_chip = { .get = mtk_gpio_get, .set = mtk_gpio_set, .to_irq = mtk_gpio_to_irq, - .set_debounce = mtk_gpio_set_debounce, + .set_config = mtk_gpio_set_config, .of_gpio_n_cells = 2, }; diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index a579126832af..8fbb571f50de 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -260,7 +260,6 @@ static int meson_pinconf_set(struct pinctrl_dev *pcdev, unsigned int pin, enum pin_config_param param; unsigned int reg, bit; int i, ret; - u16 arg; ret = meson_get_bank(pc, pin, &bank); if (ret) @@ -268,7 +267,6 @@ static int meson_pinconf_set(struct pinctrl_dev *pcdev, unsigned int pin, for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); - arg = pinconf_to_config_argument(configs[i]); switch (param) { case PIN_CONFIG_BIAS_DISABLE: diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index 799048f3c8d4..c1c1ccc58267 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -200,6 +200,18 @@ int pinconf_apply_setting(struct pinctrl_setting const *setting) return 0; } +int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin, + unsigned long *configs, size_t nconfigs) +{ + const struct pinconf_ops *ops; + + ops = pctldev->desc->confops; + if (!ops) + return -ENOTSUPP; + + return ops->pin_config_set(pctldev, pin, configs, nconfigs); +} + #ifdef CONFIG_DEBUG_FS static void pinconf_show_config(struct seq_file *s, struct pinctrl_dev *pctldev, diff --git a/drivers/pinctrl/pinconf.h b/drivers/pinctrl/pinconf.h index 55c75780b3b2..bf8aff9abf32 100644 --- a/drivers/pinctrl/pinconf.h +++ b/drivers/pinctrl/pinconf.h @@ -20,6 +20,9 @@ int pinconf_map_to_setting(struct pinctrl_map const *map, void pinconf_free_setting(struct pinctrl_setting const *setting); int pinconf_apply_setting(struct pinctrl_setting const *setting); +int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin, + unsigned long *configs, size_t nconfigs); + /* * You will only be interested in these if you're using PINCONF * so don't supply any stubs for these. @@ -56,6 +59,12 @@ static inline int pinconf_apply_setting(struct pinctrl_setting const *setting) return 0; } +static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin, + unsigned long *configs, size_t nconfigs) +{ + return -ENOTSUPP; +} + #endif #if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 6b75bd2b71db..6120c6f7eeca 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -164,6 +164,18 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, return ret; } +static int amd_gpio_set_config(struct gpio_chip *gc, unsigned offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return amd_gpio_set_debounce(gc, offset, debounce); +} + #ifdef CONFIG_DEBUG_FS static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) { @@ -768,7 +780,7 @@ static int amd_gpio_probe(struct platform_device *pdev) gpio_dev->gc.direction_output = amd_gpio_direction_output; gpio_dev->gc.get = amd_gpio_get_value; gpio_dev->gc.set = amd_gpio_set_value; - gpio_dev->gc.set_debounce = amd_gpio_set_debounce; + gpio_dev->gc.set_config = amd_gpio_set_config; gpio_dev->gc.dbg_show = amd_gpio_dbg_show; gpio_dev->gc.base = -1; diff --git a/drivers/pinctrl/pinctrl-da850-pupd.c b/drivers/pinctrl/pinctrl-da850-pupd.c index 921729b4bb46..f41d3d948dd8 100644 --- a/drivers/pinctrl/pinctrl-da850-pupd.c +++ b/drivers/pinctrl/pinctrl-da850-pupd.c @@ -113,7 +113,6 @@ static int da850_pupd_pin_config_group_set(struct pinctrl_dev *pctldev, struct da850_pupd_data *data = pinctrl_dev_get_drvdata(pctldev); u32 ena, sel; enum pin_config_param param; - u16 arg; int i; ena = readl(data->base + DA850_PUPD_ENA); @@ -121,7 +120,6 @@ static int da850_pupd_pin_config_group_set(struct pinctrl_dev *pctldev, for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); - arg = pinconf_to_config_argument(configs[i]); switch (param) { case PIN_CONFIG_BIAS_DISABLE: diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c index e053f1fa5512..d090f37ca4a1 100644 --- a/drivers/pinctrl/pinctrl-lpc18xx.c +++ b/drivers/pinctrl/pinctrl-lpc18xx.c @@ -904,7 +904,7 @@ static int lpc18xx_pconf_get(struct pinctrl_dev *pctldev, unsigned pin, static int lpc18xx_pconf_set_usb1(struct pinctrl_dev *pctldev, enum pin_config_param param, - u16 param_val, u32 *reg) + u32 param_val, u32 *reg) { switch (param) { case PIN_CONFIG_LOW_POWER_MODE: @@ -932,7 +932,7 @@ static int lpc18xx_pconf_set_usb1(struct pinctrl_dev *pctldev, static int lpc18xx_pconf_set_i2c0(struct pinctrl_dev *pctldev, enum pin_config_param param, - u16 param_val, u32 *reg, + u32 param_val, u32 *reg, unsigned pin) { u8 shift; @@ -982,7 +982,7 @@ static int lpc18xx_pconf_set_i2c0(struct pinctrl_dev *pctldev, } static int lpc18xx_pconf_set_gpio_pin_int(struct pinctrl_dev *pctldev, - u16 param_val, unsigned pin) + u32 param_val, unsigned pin) { struct lpc18xx_scu_data *scu = pinctrl_dev_get_drvdata(pctldev); u32 val, reg_val, reg_offset = LPC18XX_SCU_PINTSEL0; @@ -1008,7 +1008,7 @@ static int lpc18xx_pconf_set_gpio_pin_int(struct pinctrl_dev *pctldev, } static int lpc18xx_pconf_set_pin(struct pinctrl_dev *pctldev, unsigned param, - u16 param_val, u32 *reg, unsigned pin, + u32 param_val, u32 *reg, unsigned pin, struct lpc18xx_pin_caps *pin_cap) { switch (param) { @@ -1088,7 +1088,7 @@ static int lpc18xx_pconf_set(struct pinctrl_dev *pctldev, unsigned pin, struct lpc18xx_scu_data *scu = pinctrl_dev_get_drvdata(pctldev); struct lpc18xx_pin_caps *pin_cap; enum pin_config_param param; - u16 param_val; + u32 param_val; u32 reg; int ret; int i; diff --git a/drivers/pinctrl/pinctrl-max77620.c b/drivers/pinctrl/pinctrl-max77620.c index d9ff53e8f715..b8d2180a2bea 100644 --- a/drivers/pinctrl/pinctrl-max77620.c +++ b/drivers/pinctrl/pinctrl-max77620.c @@ -402,7 +402,7 @@ static int max77620_pinconf_set(struct pinctrl_dev *pctldev, struct device *dev = mpci->dev; struct max77620_fps_config *fps_config; int param; - u16 param_val; + u32 param_val; unsigned int val; unsigned int pu_val; unsigned int pd_val; diff --git a/drivers/pinctrl/pinctrl-palmas.c b/drivers/pinctrl/pinctrl-palmas.c index a30146da7ffd..4d6a5015b927 100644 --- a/drivers/pinctrl/pinctrl-palmas.c +++ b/drivers/pinctrl/pinctrl-palmas.c @@ -860,7 +860,7 @@ static int palmas_pinconf_set(struct pinctrl_dev *pctldev, { struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); enum pin_config_param param; - u16 param_val; + u32 param_val; const struct palmas_pingroup *g; const struct palmas_pin_info *opt; int ret; diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 08765f58253c..7813599e43fa 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1441,7 +1441,7 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); struct rockchip_pin_bank *bank = pin_to_bank(info, pin); enum pin_config_param param; - u16 arg; + u32 arg; int i; int rc; diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index d23e0e0aeb22..8b2d45e85bae 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -504,7 +504,7 @@ static int pcs_pinconf_set(struct pinctrl_dev *pctldev, struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev); struct pcs_function *func; unsigned offset = 0, shift = 0, i, data, ret; - u16 arg; + u32 arg; int j; ret = pcs_get_function(pctldev, pin, &func); diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c index 29fb7403d24e..7450f5118445 100644 --- a/drivers/pinctrl/pinctrl-sx150x.c +++ b/drivers/pinctrl/pinctrl-sx150x.c @@ -424,41 +424,6 @@ static int sx150x_gpio_get(struct gpio_chip *chip, unsigned int offset) return !!(value & BIT(offset)); } -static int sx150x_gpio_set_single_ended(struct gpio_chip *chip, - unsigned int offset, - enum single_ended_mode mode) -{ - struct sx150x_pinctrl *pctl = gpiochip_get_data(chip); - int ret; - - switch (mode) { - case LINE_MODE_PUSH_PULL: - if (pctl->data->model != SX150X_789 || - sx150x_pin_is_oscio(pctl, offset)) - return 0; - - ret = regmap_write_bits(pctl->regmap, - pctl->data->pri.x789.reg_drain, - BIT(offset), 0); - break; - - case LINE_MODE_OPEN_DRAIN: - if (pctl->data->model != SX150X_789 || - sx150x_pin_is_oscio(pctl, offset)) - return -ENOTSUPP; - - ret = regmap_write_bits(pctl->regmap, - pctl->data->pri.x789.reg_drain, - BIT(offset), BIT(offset)); - break; - default: - ret = -ENOTSUPP; - break; - } - - return ret; -} - static int __sx150x_gpio_set(struct sx150x_pinctrl *pctl, unsigned int offset, int value) { @@ -811,16 +776,26 @@ static int sx150x_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, break; case PIN_CONFIG_DRIVE_OPEN_DRAIN: - ret = sx150x_gpio_set_single_ended(&pctl->gpio, - pin, LINE_MODE_OPEN_DRAIN); + if (pctl->data->model != SX150X_789 || + sx150x_pin_is_oscio(pctl, pin)) + return -ENOTSUPP; + + ret = regmap_write_bits(pctl->regmap, + pctl->data->pri.x789.reg_drain, + BIT(pin), BIT(pin)); if (ret < 0) return ret; break; case PIN_CONFIG_DRIVE_PUSH_PULL: - ret = sx150x_gpio_set_single_ended(&pctl->gpio, - pin, LINE_MODE_PUSH_PULL); + if (pctl->data->model != SX150X_789 || + sx150x_pin_is_oscio(pctl, pin)) + return 0; + + ret = regmap_write_bits(pctl->regmap, + pctl->data->pri.x789.reg_drain, + BIT(pin), 0); if (ret < 0) return ret; @@ -1178,7 +1153,7 @@ static int sx150x_probe(struct i2c_client *client, pctl->gpio.direction_output = sx150x_gpio_direction_output; pctl->gpio.get = sx150x_gpio_get; pctl->gpio.set = sx150x_gpio_set; - pctl->gpio.set_single_ended = sx150x_gpio_set_single_ended; + pctl->gpio.set_config = gpiochip_generic_config; pctl->gpio.parent = dev; #ifdef CONFIG_OF_GPIO pctl->gpio.of_node = dev->of_node; diff --git a/drivers/pinctrl/sirf/pinctrl-atlas7.c b/drivers/pinctrl/sirf/pinctrl-atlas7.c index 76df538fa814..600d6427a978 100644 --- a/drivers/pinctrl/sirf/pinctrl-atlas7.c +++ b/drivers/pinctrl/sirf/pinctrl-atlas7.c @@ -5322,7 +5322,8 @@ static int atlas7_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *configs, unsigned num_configs) { - u16 param, arg; + u16 param; + u32 arg; int idx, err; for (idx = 0; idx < num_configs; idx++) { diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index a69f7588e078..aaef7f42f1e4 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -540,7 +540,7 @@ static int sunxi_pconf_group_set(struct pinctrl_dev *pctldev, enum pin_config_param param; unsigned long flags; u32 offset, shift, mask, reg; - u16 arg, val; + u32 arg, val; int ret; param = pinconf_to_config_param(configs[i]); diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c index 9b2ee717bccc..546f23c9040c 100644 --- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c +++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c @@ -297,7 +297,7 @@ static int uniphier_conf_pin_config_get(struct pinctrl_dev *pctldev, static int uniphier_conf_pin_bias_set(struct pinctrl_dev *pctldev, const struct pin_desc *desc, - enum pin_config_param param, u16 arg) + enum pin_config_param param, u32 arg) { struct uniphier_pinctrl_priv *priv = pinctrl_dev_get_drvdata(pctldev); enum uniphier_pin_pull_dir pull_dir = @@ -468,7 +468,7 @@ static int uniphier_conf_pin_config_set(struct pinctrl_dev *pctldev, for (i = 0; i < num_configs; i++) { enum pin_config_param param = pinconf_to_config_param(configs[i]); - u16 arg = pinconf_to_config_argument(configs[i]); + u32 arg = pinconf_to_config_argument(configs[i]); switch (param) { case PIN_CONFIG_BIAS_DISABLE: diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c index 270ca2a47a8c..c207e60b734f 100644 --- a/drivers/pinctrl/vt8500/pinctrl-wmt.c +++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c @@ -428,7 +428,7 @@ static int wmt_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin, { struct wmt_pinctrl_data *data = pinctrl_dev_get_drvdata(pctldev); enum pin_config_param param; - u16 arg; + u32 arg; u32 bank = WMT_BANK_FROM_PIN(pin); u32 bit = WMT_BIT_FROM_PIN(pin); u32 reg_pull_en = data->banks[bank].reg_pull_en; diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 51e52446eacb..73594f38c453 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -610,7 +610,7 @@ static int rtc_pinconf_set(struct pinctrl_dev *pctldev, struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev); u32 val; unsigned int param; - u16 param_val; + u32 param_val; int i; rtc->type->unlock(rtc); diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c index 250caa00de5e..51384bdde450 100644 --- a/drivers/staging/greybus/gpio.c +++ b/drivers/staging/greybus/gpio.c @@ -474,17 +474,20 @@ static void gb_gpio_set(struct gpio_chip *chip, unsigned offset, int value) gb_gpio_set_value_operation(ggc, (u8)offset, !!value); } -static int gb_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, - unsigned debounce) +static int gb_gpio_set_config(struct gpio_chip *chip, unsigned offset, + unsigned long config) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); - u16 usec; + u32 debounce; + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); if (debounce > U16_MAX) return -EINVAL; - usec = (u16)debounce; - return gb_gpio_set_debounce_operation(ggc, (u8)offset, usec); + return gb_gpio_set_debounce_operation(ggc, (u8)offset, (u16)debounce); } static int gb_gpio_controller_setup(struct gb_gpio_controller *ggc) @@ -689,7 +692,7 @@ static int gb_gpio_probe(struct gbphy_device *gbphy_dev, gpio->direction_output = gb_gpio_direction_output; gpio->get = gb_gpio_get; gpio->set = gb_gpio_set; - gpio->set_debounce = gb_gpio_set_debounce; + gpio->set_config = gb_gpio_set_config; gpio->to_irq = gb_gpio_to_irq; gpio->base = -1; /* Allocate base dynamically */ gpio->ngpio = ggc->line_max + 1; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fff718352e0c..5d61d0871f2e 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -1329,17 +1329,20 @@ static int cp210x_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio, return 0; } -static int cp210x_gpio_set_single_ended(struct gpio_chip *gc, unsigned int gpio, - enum single_ended_mode mode) +static int cp210x_gpio_set_config(struct gpio_chip *gc, unsigned int gpio, + unsigned long config) { struct usb_serial *serial = gpiochip_get_data(gc); struct cp210x_serial_private *priv = usb_get_serial_data(serial); + enum pin_config_param param = pinconf_to_config_param(config); /* Succeed only if in correct mode (this can't be set at runtime) */ - if ((mode == LINE_MODE_PUSH_PULL) && (priv->gpio_mode & BIT(gpio))) + if ((param == PIN_CONFIG_DRIVE_PUSH_PULL) && + (priv->gpio_mode & BIT(gpio))) return 0; - if ((mode == LINE_MODE_OPEN_DRAIN) && !(priv->gpio_mode & BIT(gpio))) + if ((param == PIN_CONFIG_DRIVE_OPEN_DRAIN) && + !(priv->gpio_mode & BIT(gpio))) return 0; return -ENOTSUPP; @@ -1402,7 +1405,7 @@ static int cp2105_shared_gpio_init(struct usb_serial *serial) priv->gc.direction_output = cp210x_gpio_direction_output; priv->gc.get = cp210x_gpio_get; priv->gc.set = cp210x_gpio_set; - priv->gc.set_single_ended = cp210x_gpio_set_single_ended; + priv->gc.set_config = cp210x_gpio_set_config; priv->gc.owner = THIS_MODULE; priv->gc.parent = &serial->interface->dev; priv->gc.base = -1; diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index c2748accea71..db2022910caf 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -8,6 +8,7 @@ #include <linux/irqdomain.h> #include <linux/lockdep.h> #include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinconf-generic.h> struct gpio_desc; struct of_phandle_args; @@ -19,18 +20,6 @@ struct module; #ifdef CONFIG_GPIOLIB /** - * enum single_ended_mode - mode for single ended operation - * @LINE_MODE_PUSH_PULL: normal mode for a GPIO line, drive actively high/low - * @LINE_MODE_OPEN_DRAIN: set line to be open drain - * @LINE_MODE_OPEN_SOURCE: set line to be open source - */ -enum single_ended_mode { - LINE_MODE_PUSH_PULL, - LINE_MODE_OPEN_DRAIN, - LINE_MODE_OPEN_SOURCE, -}; - -/** * struct gpio_chip - abstract a GPIO controller * @label: a functional name for the GPIO device, such as a part * number or the name of the SoC IP-block implementing it. @@ -48,16 +37,8 @@ enum single_ended_mode { * @get: returns value for signal "offset", 0=low, 1=high, or negative error * @set: assigns output value for signal "offset" * @set_multiple: assigns output values for multiple signals defined by "mask" - * @set_debounce: optional hook for setting debounce time for specified gpio in - * interrupt triggered gpio chips - * @set_single_ended: optional hook for setting a line as open drain, open - * source, or non-single ended (restore from open drain/source to normal - * push-pull mode) this should be implemented if the hardware supports - * open drain or open source settings. The GPIOlib will otherwise try - * to emulate open drain/source by not actively driving lines high/low - * if a consumer request this. The driver may return -ENOTSUPP if e.g. - * it supports just open drain but not open source and is called - * with LINE_MODE_OPEN_SOURCE as mode argument. + * @set_config: optional hook for all kinds of settings. Uses the same + * packed config format as generic pinconf. * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; * implementation may not sleep * @dbg_show: optional routine to show contents in debugfs; default code @@ -150,13 +131,9 @@ struct gpio_chip { void (*set_multiple)(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits); - int (*set_debounce)(struct gpio_chip *chip, - unsigned offset, - unsigned debounce); - int (*set_single_ended)(struct gpio_chip *chip, - unsigned offset, - enum single_ended_mode mode); - + int (*set_config)(struct gpio_chip *chip, + unsigned offset, + unsigned long config); int (*to_irq)(struct gpio_chip *chip, unsigned offset); @@ -310,6 +287,8 @@ static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gpiochip, int gpiochip_generic_request(struct gpio_chip *chip, unsigned offset); void gpiochip_generic_free(struct gpio_chip *chip, unsigned offset); +int gpiochip_generic_config(struct gpio_chip *chip, unsigned offset, + unsigned long config); #ifdef CONFIG_PINCTRL diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h index d7e5d608faa7..a0f2aba72fa9 100644 --- a/include/linux/pinctrl/consumer.h +++ b/include/linux/pinctrl/consumer.h @@ -29,6 +29,7 @@ extern int pinctrl_request_gpio(unsigned gpio); extern void pinctrl_free_gpio(unsigned gpio); extern int pinctrl_gpio_direction_input(unsigned gpio); extern int pinctrl_gpio_direction_output(unsigned gpio); +extern int pinctrl_gpio_set_config(unsigned gpio, unsigned long config); extern struct pinctrl * __must_check pinctrl_get(struct device *dev); extern void pinctrl_put(struct pinctrl *p); @@ -80,6 +81,11 @@ static inline int pinctrl_gpio_direction_output(unsigned gpio) return 0; } +static inline int pinctrl_gpio_set_config(unsigned gpio, unsigned long config) +{ + return 0; +} + static inline struct pinctrl * __must_check pinctrl_get(struct device *dev) { return NULL; diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index 12343caa114e..7620eb127cff 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -12,12 +12,6 @@ #ifndef __LINUX_PINCTRL_PINCONF_GENERIC_H #define __LINUX_PINCTRL_PINCONF_GENERIC_H -/* - * You shouldn't even be able to compile with these enums etc unless you're - * using generic pin config. That is why this is defined out. - */ -#ifdef CONFIG_GENERIC_PINCONF - /** * enum pin_config_param - possible pin configuration parameters * @PIN_CONFIG_BIAS_BUS_HOLD: the pin will be set to weakly latch so that it @@ -92,6 +86,8 @@ * @PIN_CONFIG_END: this is the last enumerator for pin configurations, if * you need to pass in custom configurations to the pin controller, use * PIN_CONFIG_END+1 as the base offset. + * @PIN_CONFIG_MAX: this is the maximum configuration value that can be + * presented using the packed format. */ enum pin_config_param { PIN_CONFIG_BIAS_BUS_HOLD, @@ -112,49 +108,53 @@ enum pin_config_param { PIN_CONFIG_OUTPUT, PIN_CONFIG_POWER_SOURCE, PIN_CONFIG_SLEW_RATE, - PIN_CONFIG_END = 0x7FFF, -}; - -#ifdef CONFIG_DEBUG_FS -#define PCONFDUMP(a, b, c, d) { .param = a, .display = b, .format = c, \ - .has_arg = d } - -struct pin_config_item { - const enum pin_config_param param; - const char * const display; - const char * const format; - bool has_arg; + PIN_CONFIG_END = 0x7F, + PIN_CONFIG_MAX = 0xFF, }; -#endif /* CONFIG_DEBUG_FS */ /* * Helpful configuration macro to be used in tables etc. */ -#define PIN_CONF_PACKED(p, a) ((a << 16) | ((unsigned long) p & 0xffffUL)) +#define PIN_CONF_PACKED(p, a) ((a << 8) | ((unsigned long) p & 0xffUL)) /* * The following inlines stuffs a configuration parameter and data value * into and out of an unsigned long argument, as used by the generic pin config - * system. We put the parameter in the lower 16 bits and the argument in the - * upper 16 bits. + * system. We put the parameter in the lower 8 bits and the argument in the + * upper 24 bits. */ static inline enum pin_config_param pinconf_to_config_param(unsigned long config) { - return (enum pin_config_param) (config & 0xffffUL); + return (enum pin_config_param) (config & 0xffUL); } -static inline u16 pinconf_to_config_argument(unsigned long config) +static inline u32 pinconf_to_config_argument(unsigned long config) { - return (enum pin_config_param) ((config >> 16) & 0xffffUL); + return (u32) ((config >> 8) & 0xffffffUL); } static inline unsigned long pinconf_to_config_packed(enum pin_config_param param, - u16 argument) + u32 argument) { return PIN_CONF_PACKED(param, argument); } +#ifdef CONFIG_GENERIC_PINCONF + +#ifdef CONFIG_DEBUG_FS +#define PCONFDUMP(a, b, c, d) { \ + .param = a, .display = b, .format = c, .has_arg = d \ + } + +struct pin_config_item { + const enum pin_config_param param; + const char * const display; + const char * const format; + bool has_arg; +}; +#endif /* CONFIG_DEBUG_FS */ + #ifdef CONFIG_OF #include <linux/device.h> |