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authorLinus Torvalds <torvalds@linux-foundation.org>2025-10-01 11:34:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-10-01 11:34:12 -0700
commitd5f74114114cb2cdbed75b91ca2fa4482c1d5611 (patch)
tree9a1332d112b666963a61d08fc28bbfb4bc579ae1 /drivers/pinctrl
parentc050daf69f3edf72e274eaa321f663b1779c4391 (diff)
parentbc061143637532c08d9fc657eec93fdc2588068e (diff)
Merge tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski: "There are two new drivers and support for more models in existing ones. The generic GPIO API has been reworked and all users converted which allowed us to move the fields specific to the generic GPIO implementation out of the high-level struct gpio_chip into its own structure that wraps the gpio_chip. Other than that, there's nothing too exciting. Mostly minor tweaks and fixes all over the place, some refactoring and some small new features in helper modules. GPIO core: - add support for sparse pin ranges to the glue between GPIO and pinctrl - use a common prefix across all GPIO descriptor flags for improved namespacing New drivers: - add new GPIO driver for the Nuvoton NCT6694 - add new GPIO driver for MAX7360 Driver improvements: - add support for Tegra 256 to the gpio-tegra186 driver - add support for Loongson-2K0300 to the gpio-loongson-64bit driver - refactor the gpio-aggregator module to expose its GPIO forwarder API to other in-kernel users (to enable merging of a new pinctrl driver that uses it) - convert all remaining drivers to using the modernized generic GPIO chip API and remove the old interface - stop displaying global GPIO numbers in debugfs output of controller drivers - extend the gpio-regmap helper with a new config option and improve its support for GPIO interrupts - remove redundant fast_io parameter from regmap configs in GPIO drivers that already use MMIO regmaps which imply it - add support for a new model in gpio-mmio: ixp4xx expansion bus - order includes alphabetically in a few drivers for better readability - use generic device properties where applicable - use devm_mutex_init() where applicable - extend build coverage of drivers by enabling more to be compiled with COMPILE_TEST enabled - allow building gpio-stmpe as a module - use dev_err_probe() where it makes sense in drivers Late driver fixes: - fix setting GPIO direction to output in gpio-mpfs Documentation: - document the usage of software nodes with GPIO chips Device-tree bindings: - Add DT bindings documents for new hardware: Tegra256, MAX7360 - Document a new model in Loongson bindings: LS2K0300 - Document a new model using the generic GPIO binding: IXP4xx - Convert the DT binding for fsl,mxs-pinctrl to YAML - fix the schema ID in the "trivial" GPIO schema - describe GPIO hogs in the generic GPIO binding" * tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (122 commits) gpio: mpfs: fix setting gpio direction to output gpio: generic: move GPIO_GENERIC_ flags to the correct header gpio: generic: rename BGPIOF_ flags to GPIO_GENERIC_ gpio: nomadik: fix the debugfs helper stub MAINTAINERS: Add entry on MAX7360 driver input: misc: Add support for MAX7360 rotary input: keyboard: Add support for MAX7360 keypad gpio: max7360: Add MAX7360 gpio support gpio: regmap: Allow to provide init_valid_mask callback gpio: regmap: Allow to allocate regmap-irq device pwm: max7360: Add MAX7360 PWM support pinctrl: Add MAX7360 pinctrl driver mfd: Add max7360 support dt-bindings: mfd: gpio: Add MAX7360 rtc: Add Nuvoton NCT6694 RTC support hwmon: Add Nuvoton NCT6694 HWMON support watchdog: Add Nuvoton NCT6694 WDT support can: Add Nuvoton NCT6694 CANFD support i2c: Add Nuvoton NCT6694 I2C support gpio: Add Nuvoton NCT6694 GPIO support ...
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/Kconfig11
-rw-r--r--drivers/pinctrl/Makefile1
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-nomadik.c2
-rw-r--r--drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c181
-rw-r--r--drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c154
-rw-r--r--drivers/pinctrl/nuvoton/pinctrl-wpcm450.c46
-rw-r--r--drivers/pinctrl/pinctrl-equilibrium.c26
-rw-r--r--drivers/pinctrl/pinctrl-equilibrium.h2
-rw-r--r--drivers/pinctrl/pinctrl-max7360.c215
-rw-r--r--drivers/pinctrl/stm32/pinctrl-stm32-hdp.c34
10 files changed, 462 insertions, 210 deletions
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index be1ca8e85754..0f37aeb5e004 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -358,6 +358,17 @@ config PINCTRL_LPC18XX
help
Pinctrl driver for NXP LPC18xx/43xx System Control Unit (SCU).
+config PINCTRL_MAX7360
+ tristate "MAX7360 Pincontrol support"
+ depends on MFD_MAX7360
+ select PINMUX
+ select GENERIC_PINCONF
+ help
+ Say Y here to enable pin control support for Maxim MAX7360 keypad
+ controller.
+ This keypad controller has 8 GPIO pins that may work as GPIO, or PWM,
+ or rotary encoder alternate modes.
+
config PINCTRL_MAX77620
tristate "MAX77620/MAX20024 Pincontrol support"
depends on MFD_MAX77620 && OF
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 909ab89a56d2..65aa432fc97e 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o
obj-$(CONFIG_PINCTRL_LOONGSON2) += pinctrl-loongson2.o
obj-$(CONFIG_PINCTRL_XWAY) += pinctrl-xway.o
obj-$(CONFIG_PINCTRL_LPC18XX) += pinctrl-lpc18xx.o
+obj-$(CONFIG_PINCTRL_MAX7360) += pinctrl-max7360.o
obj-$(CONFIG_PINCTRL_MAX77620) += pinctrl-max77620.o
obj-$(CONFIG_PINCTRL_MCP23S08_I2C) += pinctrl-mcp23s08_i2c.o
obj-$(CONFIG_PINCTRL_MCP23S08_SPI) += pinctrl-mcp23s08_spi.o
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
index 8940e04fcf4c..db0311b14132 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -584,7 +584,7 @@ static void nmk_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
seq_printf(s, "invalid pin offset");
return;
}
- nmk_gpio_dbg_show_one(s, pctldev, chip, offset - chip->base, offset);
+ nmk_gpio_dbg_show_one(s, pctldev, chip, offset - chip->base);
}
static int nmk_dt_add_map_mux(struct pinctrl_map **map, unsigned int *reserved_maps,
diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index b8872d8f5930..10765f19b48b 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -4,6 +4,7 @@
#include <linux/device.h>
#include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mfd/syscon.h>
@@ -77,7 +78,7 @@
/* Structure for register banks */
struct npcm7xx_gpio {
void __iomem *base;
- struct gpio_chip gc;
+ struct gpio_generic_chip chip;
int irqbase;
int irq;
u32 pinctrl_id;
@@ -99,32 +100,26 @@ struct npcm7xx_pinctrl {
};
/* GPIO handling in the pinctrl driver */
-static void npcm_gpio_set(struct gpio_chip *gc, void __iomem *reg,
+static void npcm_gpio_set(struct gpio_generic_chip *chip, void __iomem *reg,
unsigned int pinmask)
{
- unsigned long flags;
unsigned long val;
- raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
+ guard(gpio_generic_lock_irqsave)(chip);
val = ioread32(reg) | pinmask;
iowrite32(val, reg);
-
- raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
}
-static void npcm_gpio_clr(struct gpio_chip *gc, void __iomem *reg,
+static void npcm_gpio_clr(struct gpio_generic_chip *chip, void __iomem *reg,
unsigned int pinmask)
{
- unsigned long flags;
unsigned long val;
- raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
+ guard(gpio_generic_lock_irqsave)(chip);
val = ioread32(reg) & ~pinmask;
iowrite32(val, reg);
-
- raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
}
static void npcmgpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
@@ -132,9 +127,9 @@ static void npcmgpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
struct npcm7xx_gpio *bank = gpiochip_get_data(chip);
seq_printf(s, "-- module %d [gpio%d - %d]\n",
- bank->gc.base / bank->gc.ngpio,
- bank->gc.base,
- bank->gc.base + bank->gc.ngpio);
+ bank->chip.gc.base / bank->chip.gc.ngpio,
+ bank->chip.gc.base,
+ bank->chip.gc.base + bank->chip.gc.ngpio);
seq_printf(s, "DIN :%.8x DOUT:%.8x IE :%.8x OE :%.8x\n",
ioread32(bank->base + NPCM7XX_GP_N_DIN),
ioread32(bank->base + NPCM7XX_GP_N_DOUT),
@@ -220,7 +215,7 @@ static void npcmgpio_irq_handler(struct irq_desc *desc)
chained_irq_enter(chip, desc);
sts = ioread32(bank->base + NPCM7XX_GP_N_EVST);
en = ioread32(bank->base + NPCM7XX_GP_N_EVEN);
- dev_dbg(bank->gc.parent, "==> got irq sts %.8lx %.8lx\n", sts,
+ dev_dbg(bank->chip.gc.parent, "==> got irq sts %.8lx %.8lx\n", sts,
en);
sts &= en;
@@ -235,42 +230,42 @@ static int npcmgpio_set_irq_type(struct irq_data *d, unsigned int type)
struct npcm7xx_gpio *bank = gpiochip_get_data(gc);
unsigned int gpio = BIT(irqd_to_hwirq(d));
- dev_dbg(bank->gc.parent, "setirqtype: %u.%u = %u\n", gpio,
+ dev_dbg(bank->chip.gc.parent, "setirqtype: %u.%u = %u\n", gpio,
d->irq, type);
switch (type) {
case IRQ_TYPE_EDGE_RISING:
- dev_dbg(bank->gc.parent, "edge.rising\n");
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_EVBE, gpio);
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+ dev_dbg(bank->chip.gc.parent, "edge.rising\n");
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_EVBE, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
break;
case IRQ_TYPE_EDGE_FALLING:
- dev_dbg(bank->gc.parent, "edge.falling\n");
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_EVBE, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+ dev_dbg(bank->chip.gc.parent, "edge.falling\n");
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_EVBE, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
break;
case IRQ_TYPE_EDGE_BOTH:
- dev_dbg(bank->gc.parent, "edge.both\n");
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_EVBE, gpio);
+ dev_dbg(bank->chip.gc.parent, "edge.both\n");
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_EVBE, gpio);
break;
case IRQ_TYPE_LEVEL_LOW:
- dev_dbg(bank->gc.parent, "level.low\n");
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+ dev_dbg(bank->chip.gc.parent, "level.low\n");
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
break;
case IRQ_TYPE_LEVEL_HIGH:
- dev_dbg(bank->gc.parent, "level.high\n");
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_POL, gpio);
+ dev_dbg(bank->chip.gc.parent, "level.high\n");
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_POL, gpio);
break;
default:
- dev_dbg(bank->gc.parent, "invalid irq type\n");
+ dev_dbg(bank->chip.gc.parent, "invalid irq type\n");
return -EINVAL;
}
if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
irq_set_handler_locked(d, handle_level_irq);
} else if (type & (IRQ_TYPE_EDGE_BOTH | IRQ_TYPE_EDGE_RISING
| IRQ_TYPE_EDGE_FALLING)) {
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_EVTYP, gpio);
irq_set_handler_locked(d, handle_edge_irq);
}
@@ -283,7 +278,7 @@ static void npcmgpio_irq_ack(struct irq_data *d)
struct npcm7xx_gpio *bank = gpiochip_get_data(gc);
unsigned int gpio = irqd_to_hwirq(d);
- dev_dbg(bank->gc.parent, "irq_ack: %u.%u\n", gpio, d->irq);
+ dev_dbg(bank->chip.gc.parent, "irq_ack: %u.%u\n", gpio, d->irq);
iowrite32(BIT(gpio), bank->base + NPCM7XX_GP_N_EVST);
}
@@ -295,7 +290,7 @@ static void npcmgpio_irq_mask(struct irq_data *d)
unsigned int gpio = irqd_to_hwirq(d);
/* Clear events */
- dev_dbg(bank->gc.parent, "irq_mask: %u.%u\n", gpio, d->irq);
+ dev_dbg(bank->chip.gc.parent, "irq_mask: %u.%u\n", gpio, d->irq);
iowrite32(BIT(gpio), bank->base + NPCM7XX_GP_N_EVENC);
gpiochip_disable_irq(gc, gpio);
}
@@ -309,7 +304,7 @@ static void npcmgpio_irq_unmask(struct irq_data *d)
/* Enable events */
gpiochip_enable_irq(gc, gpio);
- dev_dbg(bank->gc.parent, "irq_unmask: %u.%u\n", gpio, d->irq);
+ dev_dbg(bank->chip.gc.parent, "irq_unmask: %u.%u\n", gpio, d->irq);
iowrite32(BIT(gpio), bank->base + NPCM7XX_GP_N_EVENS);
}
@@ -1423,7 +1418,7 @@ static int npcm7xx_get_slew_rate(struct npcm7xx_gpio *bank,
struct regmap *gcr_regmap, unsigned int pin)
{
u32 val;
- int gpio = (pin % bank->gc.ngpio);
+ int gpio = (pin % bank->chip.gc.ngpio);
unsigned long pinmask = BIT(gpio);
if (pincfg[pin].flag & SLEW)
@@ -1443,16 +1438,16 @@ static int npcm7xx_set_slew_rate(struct npcm7xx_gpio *bank,
struct regmap *gcr_regmap, unsigned int pin,
int arg)
{
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
if (pincfg[pin].flag & SLEW) {
switch (arg) {
case 0:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_OSRC,
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_OSRC,
gpio);
return 0;
case 1:
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_OSRC,
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_OSRC,
gpio);
return 0;
default:
@@ -1485,7 +1480,7 @@ static int npcm7xx_get_drive_strength(struct pinctrl_dev *pctldev,
struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
struct npcm7xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
- int gpio = (pin % bank->gc.ngpio);
+ int gpio = (pin % bank->chip.gc.ngpio);
unsigned long pinmask = BIT(gpio);
u32 ds = 0;
int flg, val;
@@ -1496,7 +1491,7 @@ static int npcm7xx_get_drive_strength(struct pinctrl_dev *pctldev,
val = ioread32(bank->base + NPCM7XX_GP_N_ODSC)
& pinmask;
ds = val ? DSHI(flg) : DSLO(flg);
- dev_dbg(bank->gc.parent,
+ dev_dbg(bank->chip.gc.parent,
"pin %d strength %d = %d\n", pin, val, ds);
return ds;
}
@@ -1511,20 +1506,20 @@ static int npcm7xx_set_drive_strength(struct npcm7xx_pinctrl *npcm,
int v;
struct npcm7xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
v = (pincfg[pin].flag & DRIVE_STRENGTH_MASK);
if (!nval || !v)
return -ENOTSUPP;
if (DSLO(v) == nval) {
- dev_dbg(bank->gc.parent,
+ dev_dbg(bank->chip.gc.parent,
"setting pin %d to low strength [%d]\n", pin, nval);
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_ODSC, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_ODSC, gpio);
return 0;
} else if (DSHI(v) == nval) {
- dev_dbg(bank->gc.parent,
+ dev_dbg(bank->chip.gc.parent,
"setting pin %d to high strength [%d]\n", pin, nval);
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_ODSC, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_ODSC, gpio);
return 0;
}
@@ -1657,9 +1652,9 @@ static int npcm_gpio_set_direction(struct pinctrl_dev *pctldev,
struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
struct npcm7xx_gpio *bank =
&npcm->gpio_bank[offset / NPCM7XX_GPIO_PER_BANK];
- int gpio = BIT(offset % bank->gc.ngpio);
+ int gpio = BIT(offset % bank->chip.gc.ngpio);
- dev_dbg(bank->gc.parent, "GPIO Set Direction: %d = %d\n", offset,
+ dev_dbg(bank->chip.gc.parent, "GPIO Set Direction: %d = %d\n", offset,
input);
if (input)
iowrite32(gpio, bank->base + NPCM7XX_GP_N_OEC);
@@ -1687,7 +1682,7 @@ static int npcm7xx_config_get(struct pinctrl_dev *pctldev, unsigned int pin,
struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
struct npcm7xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
- int gpio = (pin % bank->gc.ngpio);
+ int gpio = (pin % bank->chip.gc.ngpio);
unsigned long pinmask = BIT(gpio);
u32 ie, oe, pu, pd;
int rc = 0;
@@ -1750,38 +1745,38 @@ static int npcm7xx_config_set_one(struct npcm7xx_pinctrl *npcm,
u16 arg = pinconf_to_config_argument(config);
struct npcm7xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM7XX_GPIO_PER_BANK];
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
- dev_dbg(bank->gc.parent, "param=%d %d[GPIO]\n", param, pin);
+ dev_dbg(bank->chip.gc.parent, "param=%d %d[GPIO]\n", param, pin);
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PU, gpio);
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PD, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PU, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PD, gpio);
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PU, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_PD, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PU, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_PD, gpio);
break;
case PIN_CONFIG_BIAS_PULL_UP:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_PD, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_PU, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_PD, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_PU, gpio);
break;
case PIN_CONFIG_INPUT_ENABLE:
iowrite32(gpio, bank->base + NPCM7XX_GP_N_OEC);
- bank->direction_input(&bank->gc, pin % bank->gc.ngpio);
+ bank->direction_input(&bank->chip.gc, pin % bank->chip.gc.ngpio);
break;
case PIN_CONFIG_OUTPUT:
- bank->direction_output(&bank->gc, pin % bank->gc.ngpio, arg);
+ bank->direction_output(&bank->chip.gc, pin % bank->chip.gc.ngpio, arg);
iowrite32(gpio, bank->base + NPCM7XX_GP_N_OES);
break;
case PIN_CONFIG_DRIVE_PUSH_PULL:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_OTYP, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM7XX_GP_N_OTYP, gpio);
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_OTYP, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_OTYP, gpio);
break;
case PIN_CONFIG_INPUT_DEBOUNCE:
- npcm_gpio_set(&bank->gc, bank->base + NPCM7XX_GP_N_DBNC, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM7XX_GP_N_DBNC, gpio);
break;
case PIN_CONFIG_SLEW_RATE:
return npcm7xx_set_slew_rate(bank, npcm->gcr_regmap, pin, arg);
@@ -1829,6 +1824,7 @@ static const struct pinctrl_desc npcm7xx_pinctrl_desc = {
static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
{
+ struct gpio_generic_chip_config config;
int ret = -ENXIO;
struct device *dev = pctrl->dev;
struct fwnode_reference_args args;
@@ -1840,15 +1836,18 @@ static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
if (!pctrl->gpio_bank[id].base)
return -EINVAL;
- ret = bgpio_init(&pctrl->gpio_bank[id].gc, dev, 4,
- pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DIN,
- pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DOUT,
- NULL,
- NULL,
- pctrl->gpio_bank[id].base + NPCM7XX_GP_N_IEM,
- BGPIOF_READ_OUTPUT_REG_SET);
+ config = (typeof(config)){
+ .dev = dev,
+ .sz = 4,
+ .dat = pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DIN,
+ .set = pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DOUT,
+ .dirin = pctrl->gpio_bank[id].base + NPCM7XX_GP_N_IEM,
+ .flags = GPIO_GENERIC_READ_OUTPUT_REG_SET,
+ };
+
+ ret = gpio_generic_chip_init(&pctrl->gpio_bank[id].chip, &config);
if (ret) {
- dev_err(dev, "bgpio_init() failed\n");
+ dev_err(dev, "failed to initialize the generic GPIO chip\n");
return ret;
}
@@ -1866,23 +1865,23 @@ static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
pctrl->gpio_bank[id].irq = ret;
pctrl->gpio_bank[id].irqbase = id * NPCM7XX_GPIO_PER_BANK;
pctrl->gpio_bank[id].pinctrl_id = args.args[0];
- pctrl->gpio_bank[id].gc.base = args.args[1];
- pctrl->gpio_bank[id].gc.ngpio = args.args[2];
- pctrl->gpio_bank[id].gc.owner = THIS_MODULE;
- pctrl->gpio_bank[id].gc.parent = dev;
- pctrl->gpio_bank[id].gc.fwnode = child;
- pctrl->gpio_bank[id].gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
- if (pctrl->gpio_bank[id].gc.label == NULL)
+ pctrl->gpio_bank[id].chip.gc.base = args.args[1];
+ pctrl->gpio_bank[id].chip.gc.ngpio = args.args[2];
+ pctrl->gpio_bank[id].chip.gc.owner = THIS_MODULE;
+ pctrl->gpio_bank[id].chip.gc.parent = dev;
+ pctrl->gpio_bank[id].chip.gc.fwnode = child;
+ pctrl->gpio_bank[id].chip.gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
+ if (pctrl->gpio_bank[id].chip.gc.label == NULL)
return -ENOMEM;
- pctrl->gpio_bank[id].gc.dbg_show = npcmgpio_dbg_show;
- pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].gc.direction_input;
- pctrl->gpio_bank[id].gc.direction_input = npcmgpio_direction_input;
- pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].gc.direction_output;
- pctrl->gpio_bank[id].gc.direction_output = npcmgpio_direction_output;
- pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].gc.request;
- pctrl->gpio_bank[id].gc.request = npcmgpio_gpio_request;
- pctrl->gpio_bank[id].gc.free = pinctrl_gpio_free;
+ pctrl->gpio_bank[id].chip.gc.dbg_show = npcmgpio_dbg_show;
+ pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].chip.gc.direction_input;
+ pctrl->gpio_bank[id].chip.gc.direction_input = npcmgpio_direction_input;
+ pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].chip.gc.direction_output;
+ pctrl->gpio_bank[id].chip.gc.direction_output = npcmgpio_direction_output;
+ pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].chip.gc.request;
+ pctrl->gpio_bank[id].chip.gc.request = npcmgpio_gpio_request;
+ pctrl->gpio_bank[id].chip.gc.free = pinctrl_gpio_free;
id++;
}
@@ -1897,7 +1896,7 @@ static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
for (id = 0 ; id < pctrl->bank_num ; id++) {
struct gpio_irq_chip *girq;
- girq = &pctrl->gpio_bank[id].gc.irq;
+ girq = &pctrl->gpio_bank[id].chip.gc.irq;
gpio_irq_chip_set_chip(girq, &npcmgpio_irqchip);
girq->parent_handler = npcmgpio_irq_handler;
girq->num_parents = 1;
@@ -1912,21 +1911,21 @@ static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_level_irq;
ret = devm_gpiochip_add_data(pctrl->dev,
- &pctrl->gpio_bank[id].gc,
+ &pctrl->gpio_bank[id].chip.gc,
&pctrl->gpio_bank[id]);
if (ret) {
dev_err(pctrl->dev, "Failed to add GPIO chip %u\n", id);
goto err_register;
}
- ret = gpiochip_add_pin_range(&pctrl->gpio_bank[id].gc,
+ ret = gpiochip_add_pin_range(&pctrl->gpio_bank[id].chip.gc,
dev_name(pctrl->dev),
pctrl->gpio_bank[id].pinctrl_id,
- pctrl->gpio_bank[id].gc.base,
- pctrl->gpio_bank[id].gc.ngpio);
+ pctrl->gpio_bank[id].chip.gc.base,
+ pctrl->gpio_bank[id].chip.gc.ngpio);
if (ret < 0) {
dev_err(pctrl->dev, "Failed to add GPIO bank %u\n", id);
- gpiochip_remove(&pctrl->gpio_bank[id].gc);
+ gpiochip_remove(&pctrl->gpio_bank[id].chip.gc);
goto err_register;
}
}
@@ -1935,7 +1934,7 @@ static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
err_register:
for (; id > 0; id--)
- gpiochip_remove(&pctrl->gpio_bank[id - 1].gc);
+ gpiochip_remove(&pctrl->gpio_bank[id - 1].chip.gc);
return ret;
}
diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
index 3c3b9d8d3681..1005b464a469 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
@@ -4,6 +4,7 @@
#include <linux/bits.h>
#include <linux/device.h>
#include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mfd/syscon.h>
@@ -90,7 +91,7 @@ struct debounce_time {
};
struct npcm8xx_gpio {
- struct gpio_chip gc;
+ struct gpio_generic_chip chip;
void __iomem *base;
struct debounce_time debounce;
int irqbase;
@@ -115,24 +116,20 @@ struct npcm8xx_pinctrl {
};
/* GPIO handling in the pinctrl driver */
-static void npcm_gpio_set(struct gpio_chip *gc, void __iomem *reg,
+static void npcm_gpio_set(struct gpio_generic_chip *chip, void __iomem *reg,
unsigned int pinmask)
{
- unsigned long flags;
+ guard(gpio_generic_lock_irqsave)(chip);
- raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
iowrite32(ioread32(reg) | pinmask, reg);
- raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
}
-static void npcm_gpio_clr(struct gpio_chip *gc, void __iomem *reg,
+static void npcm_gpio_clr(struct gpio_generic_chip *chip, void __iomem *reg,
unsigned int pinmask)
{
- unsigned long flags;
+ guard(gpio_generic_lock_irqsave)(chip);
- raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
iowrite32(ioread32(reg) & ~pinmask, reg);
- raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
}
static void npcmgpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
@@ -233,32 +230,32 @@ static int npcmgpio_set_irq_type(struct irq_data *d, unsigned int type)
switch (type) {
case IRQ_TYPE_EDGE_RISING:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_EVBE, gpio);
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_POL, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_EVBE, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_POL, gpio);
break;
case IRQ_TYPE_EDGE_FALLING:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_EVBE, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_POL, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_EVBE, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_POL, gpio);
break;
case IRQ_TYPE_EDGE_BOTH:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_POL, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_EVBE, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_POL, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_EVBE, gpio);
break;
case IRQ_TYPE_LEVEL_LOW:
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_POL, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_POL, gpio);
break;
case IRQ_TYPE_LEVEL_HIGH:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_POL, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_POL, gpio);
break;
default:
return -EINVAL;
}
if (type & IRQ_TYPE_LEVEL_MASK) {
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_EVTYP, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_EVTYP, gpio);
irq_set_handler_locked(d, handle_level_irq);
} else if (type & IRQ_TYPE_EDGE_BOTH) {
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_EVTYP, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_EVTYP, gpio);
irq_set_handler_locked(d, handle_edge_irq);
}
@@ -1842,7 +1839,7 @@ static void npcm8xx_setfunc(struct regmap *gcr_regmap, const unsigned int *pin,
static int npcm8xx_get_slew_rate(struct npcm8xx_gpio *bank,
struct regmap *gcr_regmap, unsigned int pin)
{
- int gpio = pin % bank->gc.ngpio;
+ int gpio = pin % bank->chip.gc.ngpio;
unsigned long pinmask = BIT(gpio);
u32 val;
@@ -1862,15 +1859,15 @@ static int npcm8xx_set_slew_rate(struct npcm8xx_gpio *bank,
int arg)
{
void __iomem *OSRC_Offset = bank->base + NPCM8XX_GP_N_OSRC;
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
if (pincfg[pin].flag & SLEW) {
switch (arg) {
case 0:
- npcm_gpio_clr(&bank->gc, OSRC_Offset, gpio);
+ npcm_gpio_clr(&bank->chip, OSRC_Offset, gpio);
return 0;
case 1:
- npcm_gpio_set(&bank->gc, OSRC_Offset, gpio);
+ npcm_gpio_set(&bank->chip, OSRC_Offset, gpio);
return 0;
default:
return -EINVAL;
@@ -1902,7 +1899,7 @@ static int npcm8xx_get_drive_strength(struct pinctrl_dev *pctldev,
struct npcm8xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
struct npcm8xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM8XX_GPIO_PER_BANK];
- int gpio = pin % bank->gc.ngpio;
+ int gpio = pin % bank->chip.gc.ngpio;
unsigned long pinmask = BIT(gpio);
int flg, val;
u32 ds = 0;
@@ -1913,7 +1910,7 @@ static int npcm8xx_get_drive_strength(struct pinctrl_dev *pctldev,
val = ioread32(bank->base + NPCM8XX_GP_N_ODSC) & pinmask;
ds = val ? DSHI(flg) : DSLO(flg);
- dev_dbg(bank->gc.parent, "pin %d strength %d = %d\n", pin, val, ds);
+ dev_dbg(bank->chip.gc.parent, "pin %d strength %d = %d\n", pin, val, ds);
return ds;
}
@@ -1923,15 +1920,15 @@ static int npcm8xx_set_drive_strength(struct npcm8xx_pinctrl *npcm,
{
struct npcm8xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM8XX_GPIO_PER_BANK];
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
int v;
v = pincfg[pin].flag & DRIVE_STRENGTH_MASK;
if (DSLO(v) == nval)
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_ODSC, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_ODSC, gpio);
else if (DSHI(v) == nval)
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_ODSC, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_ODSC, gpio);
else
return -ENOTSUPP;
@@ -2054,7 +2051,7 @@ static int npcm_gpio_set_direction(struct pinctrl_dev *pctldev,
struct npcm8xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
struct npcm8xx_gpio *bank =
&npcm->gpio_bank[offset / NPCM8XX_GPIO_PER_BANK];
- int gpio = BIT(offset % bank->gc.ngpio);
+ int gpio = BIT(offset % bank->chip.gc.ngpio);
if (input)
iowrite32(gpio, bank->base + NPCM8XX_GP_N_OEC);
@@ -2085,7 +2082,7 @@ static int debounce_timing_setting(struct npcm8xx_gpio *bank, u32 gpio,
if (bank->debounce.set_val[i]) {
if (bank->debounce.nanosec_val[i] == nanosecs) {
debounce_select = i << gpio_debounce;
- npcm_gpio_set(&bank->gc, DBNCS_offset,
+ npcm_gpio_set(&bank->chip, DBNCS_offset,
debounce_select);
break;
}
@@ -2093,7 +2090,7 @@ static int debounce_timing_setting(struct npcm8xx_gpio *bank, u32 gpio,
bank->debounce.set_val[i] = true;
bank->debounce.nanosec_val[i] = nanosecs;
debounce_select = i << gpio_debounce;
- npcm_gpio_set(&bank->gc, DBNCS_offset, debounce_select);
+ npcm_gpio_set(&bank->chip, DBNCS_offset, debounce_select);
switch (nanosecs) {
case 1 ... 1040:
iowrite32(0, bank->base + NPCM8XX_GP_N_DBNCP0 + (i * 4));
@@ -2145,21 +2142,21 @@ static int npcm_set_debounce(struct npcm8xx_pinctrl *npcm, unsigned int pin,
{
struct npcm8xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM8XX_GPIO_PER_BANK];
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
int ret;
if (nanosecs) {
- ret = debounce_timing_setting(bank, pin % bank->gc.ngpio,
+ ret = debounce_timing_setting(bank, pin % bank->chip.gc.ngpio,
nanosecs);
if (ret)
dev_err(npcm->dev, "Pin %d, All four debounce timing values are used, please use one of exist debounce values\n", pin);
else
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_DBNC,
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_DBNC,
gpio);
return ret;
}
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_DBNC, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_DBNC, gpio);
return 0;
}
@@ -2172,7 +2169,7 @@ static int npcm8xx_config_get(struct pinctrl_dev *pctldev, unsigned int pin,
struct npcm8xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
struct npcm8xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM8XX_GPIO_PER_BANK];
- int gpio = pin % bank->gc.ngpio;
+ int gpio = pin % bank->chip.gc.ngpio;
unsigned long pinmask = BIT(gpio);
u32 ie, oe, pu, pd;
int rc = 0;
@@ -2235,34 +2232,34 @@ static int npcm8xx_config_set_one(struct npcm8xx_pinctrl *npcm,
struct npcm8xx_gpio *bank =
&npcm->gpio_bank[pin / NPCM8XX_GPIO_PER_BANK];
u32 arg = pinconf_to_config_argument(config);
- int gpio = BIT(pin % bank->gc.ngpio);
+ int gpio = BIT(pin % bank->chip.gc.ngpio);
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_PU, gpio);
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_PD, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_PU, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_PD, gpio);
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_PU, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_PD, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_PU, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_PD, gpio);
break;
case PIN_CONFIG_BIAS_PULL_UP:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_PD, gpio);
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_PU, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_PD, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_PU, gpio);
break;
case PIN_CONFIG_INPUT_ENABLE:
iowrite32(gpio, bank->base + NPCM8XX_GP_N_OEC);
- bank->direction_input(&bank->gc, pin % bank->gc.ngpio);
+ bank->direction_input(&bank->chip.gc, pin % bank->chip.gc.ngpio);
break;
case PIN_CONFIG_OUTPUT:
- bank->direction_output(&bank->gc, pin % bank->gc.ngpio, arg);
+ bank->direction_output(&bank->chip.gc, pin % bank->chip.gc.ngpio, arg);
iowrite32(gpio, bank->base + NPCM8XX_GP_N_OES);
break;
case PIN_CONFIG_DRIVE_PUSH_PULL:
- npcm_gpio_clr(&bank->gc, bank->base + NPCM8XX_GP_N_OTYP, gpio);
+ npcm_gpio_clr(&bank->chip, bank->base + NPCM8XX_GP_N_OTYP, gpio);
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
- npcm_gpio_set(&bank->gc, bank->base + NPCM8XX_GP_N_OTYP, gpio);
+ npcm_gpio_set(&bank->chip, bank->base + NPCM8XX_GP_N_OTYP, gpio);
break;
case PIN_CONFIG_INPUT_DEBOUNCE:
return npcm_set_debounce(npcm, pin, arg * 1000);
@@ -2313,13 +2310,14 @@ static int npcmgpio_add_pin_ranges(struct gpio_chip *chip)
{
struct npcm8xx_gpio *bank = gpiochip_get_data(chip);
- return gpiochip_add_pin_range(&bank->gc, dev_name(chip->parent),
- bank->pinctrl_id, bank->gc.base,
- bank->gc.ngpio);
+ return gpiochip_add_pin_range(&bank->chip.gc, dev_name(chip->parent),
+ bank->pinctrl_id, bank->chip.gc.base,
+ bank->chip.gc.ngpio);
}
static int npcm8xx_gpio_fw(struct npcm8xx_pinctrl *pctrl)
{
+ struct gpio_generic_chip_config config;
struct fwnode_reference_args args;
struct device *dev = pctrl->dev;
struct fwnode_handle *child;
@@ -2331,15 +2329,19 @@ static int npcm8xx_gpio_fw(struct npcm8xx_pinctrl *pctrl)
if (!pctrl->gpio_bank[id].base)
return dev_err_probe(dev, -ENXIO, "fwnode_iomap id %d failed\n", id);
- ret = bgpio_init(&pctrl->gpio_bank[id].gc, dev, 4,
- pctrl->gpio_bank[id].base + NPCM8XX_GP_N_DIN,
- pctrl->gpio_bank[id].base + NPCM8XX_GP_N_DOUT,
- NULL,
- NULL,
- pctrl->gpio_bank[id].base + NPCM8XX_GP_N_IEM,
- BGPIOF_READ_OUTPUT_REG_SET);
+ config = (typeof(config)){
+ .dev = dev,
+ .sz = 4,
+ .dat = pctrl->gpio_bank[id].base + NPCM8XX_GP_N_DIN,
+ .set = pctrl->gpio_bank[id].base + NPCM8XX_GP_N_DOUT,
+ .dirin = pctrl->gpio_bank[id].base + NPCM8XX_GP_N_IEM,
+ .flags = GPIO_GENERIC_READ_OUTPUT_REG_SET,
+ };
+
+ ret = gpio_generic_chip_init(&pctrl->gpio_bank[id].chip, &config);
if (ret)
- return dev_err_probe(dev, ret, "bgpio_init() failed\n");
+ return dev_err_probe(dev, ret,
+ "failed to initialize the generic GPIO chip\n");
ret = fwnode_property_get_reference_args(child, "gpio-ranges", NULL, 3, 0, &args);
if (ret < 0)
@@ -2353,26 +2355,26 @@ static int npcm8xx_gpio_fw(struct npcm8xx_pinctrl *pctrl)
pctrl->gpio_bank[id].irq_chip = npcmgpio_irqchip;
pctrl->gpio_bank[id].irqbase = id * NPCM8XX_GPIO_PER_BANK;
pctrl->gpio_bank[id].pinctrl_id = args.args[0];
- pctrl->gpio_bank[id].gc.base = -1;
- pctrl->gpio_bank[id].gc.ngpio = args.args[2];
- pctrl->gpio_bank[id].gc.owner = THIS_MODULE;
- pctrl->gpio_bank[id].gc.parent = dev;
- pctrl->gpio_bank[id].gc.fwnode = child;
- pctrl->gpio_bank[id].gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
- if (pctrl->gpio_bank[id].gc.label == NULL)
+ pctrl->gpio_bank[id].chip.gc.base = -1;
+ pctrl->gpio_bank[id].chip.gc.ngpio = args.args[2];
+ pctrl->gpio_bank[id].chip.gc.owner = THIS_MODULE;
+ pctrl->gpio_bank[id].chip.gc.parent = dev;
+ pctrl->gpio_bank[id].chip.gc.fwnode = child;
+ pctrl->gpio_bank[id].chip.gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
+ if (pctrl->gpio_bank[id].chip.gc.label == NULL)
return -ENOMEM;
- pctrl->gpio_bank[id].gc.dbg_show = npcmgpio_dbg_show;
- pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].gc.direction_input;
- pctrl->gpio_bank[id].gc.direction_input = npcmgpio_direction_input;
- pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].gc.direction_output;
- pctrl->gpio_bank[id].gc.direction_output = npcmgpio_direction_output;
- pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].gc.request;
- pctrl->gpio_bank[id].gc.request = npcmgpio_gpio_request;
- pctrl->gpio_bank[id].gc.free = pinctrl_gpio_free;
+ pctrl->gpio_bank[id].chip.gc.dbg_show = npcmgpio_dbg_show;
+ pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].chip.gc.direction_input;
+ pctrl->gpio_bank[id].chip.gc.direction_input = npcmgpio_direction_input;
+ pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].chip.gc.direction_output;
+ pctrl->gpio_bank[id].chip.gc.direction_output = npcmgpio_direction_output;
+ pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].chip.gc.request;
+ pctrl->gpio_bank[id].chip.gc.request = npcmgpio_gpio_request;
+ pctrl->gpio_bank[id].chip.gc.free = pinctrl_gpio_free;
for (i = 0 ; i < NPCM8XX_DEBOUNCE_MAX ; i++)
pctrl->gpio_bank[id].debounce.set_val[i] = false;
- pctrl->gpio_bank[id].gc.add_pin_ranges = npcmgpio_add_pin_ranges;
+ pctrl->gpio_bank[id].chip.gc.add_pin_ranges = npcmgpio_add_pin_ranges;
id++;
}
@@ -2387,7 +2389,7 @@ static int npcm8xx_gpio_register(struct npcm8xx_pinctrl *pctrl)
for (id = 0 ; id < pctrl->bank_num ; id++) {
struct gpio_irq_chip *girq;
- girq = &pctrl->gpio_bank[id].gc.irq;
+ girq = &pctrl->gpio_bank[id].chip.gc.irq;
girq->chip = &pctrl->gpio_bank[id].irq_chip;
girq->parent_handler = npcmgpio_irq_handler;
girq->num_parents = 1;
@@ -2401,7 +2403,7 @@ static int npcm8xx_gpio_register(struct npcm8xx_pinctrl *pctrl)
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_level_irq;
ret = devm_gpiochip_add_data(pctrl->dev,
- &pctrl->gpio_bank[id].gc,
+ &pctrl->gpio_bank[id].chip.gc,
&pctrl->gpio_bank[id]);
if (ret)
return dev_err_probe(pctrl->dev, ret, "Failed to add GPIO chip %u\n", id);
diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
index 8d8314ba0e4c..c575949e42e6 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
@@ -11,6 +11,7 @@
#include <linux/device.h>
#include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mfd/syscon.h>
@@ -47,7 +48,7 @@ struct wpcm450_pinctrl;
struct wpcm450_bank;
struct wpcm450_gpio {
- struct gpio_chip gc;
+ struct gpio_generic_chip chip;
struct wpcm450_pinctrl *pctrl;
const struct wpcm450_bank *bank;
};
@@ -184,11 +185,12 @@ static void wpcm450_gpio_irq_unmask(struct irq_data *d)
}
/*
- * This is an implementation of the gpio_chip->get() function, for use in
- * wpcm450_gpio_fix_evpol. Unfortunately, we can't use the bgpio-provided
- * implementation there, because it would require taking gpio_chip->bgpio_lock,
- * which is a spin lock, but wpcm450_gpio_fix_evpol must work in contexts where
- * a raw spin lock is held.
+ * FIXME: This is an implementation of the gpio_chip->get() function, for use
+ * in wpcm450_gpio_fix_evpol(). It was implemented back when gpio-mmio used a
+ * regular spinlock internally, while wpcm450_gpio_fix_evpol() needed to work
+ * in contexts with a raw spinlock held. Since then, the gpio generic chip has
+ * been switched to using a raw spinlock so this should be converted to using
+ * the locking interfaces provided in linux/gpio/gneneric.h.
*/
static int wpcm450_gpio_get(struct wpcm450_gpio *gpio, int offset)
{
@@ -329,7 +331,7 @@ static void wpcm450_gpio_irqhandler(struct irq_desc *desc)
for_each_set_bit(bit, &pending, 32) {
int offset = wpcm450_irq_bitnum_to_gpio(gpio, bit);
- generic_handle_domain_irq(gpio->gc.irq.domain, offset);
+ generic_handle_domain_irq(gpio->chip.gc.irq.domain, offset);
}
chained_irq_exit(chip, desc);
}
@@ -1012,7 +1014,7 @@ static int wpcm450_gpio_add_pin_ranges(struct gpio_chip *chip)
struct wpcm450_gpio *gpio = gpiochip_get_data(chip);
const struct wpcm450_bank *bank = gpio->bank;
- return gpiochip_add_pin_range(&gpio->gc, dev_name(gpio->pctrl->dev),
+ return gpiochip_add_pin_range(&gpio->chip.gc, dev_name(gpio->pctrl->dev),
0, bank->base, bank->length);
}
@@ -1029,6 +1031,7 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
"Resource fail for GPIO controller\n");
for_each_gpiochip_node(dev, child) {
+ struct gpio_generic_chip_config config;
void __iomem *dat = NULL;
void __iomem *set = NULL;
void __iomem *dirout = NULL;
@@ -1058,19 +1061,28 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
set = pctrl->gpio_base + bank->dataout;
dirout = pctrl->gpio_base + bank->cfg0;
} else {
- flags = BGPIOF_NO_OUTPUT;
+ flags = GPIO_GENERIC_NO_OUTPUT;
}
- ret = bgpio_init(&gpio->gc, dev, 4,
- dat, set, NULL, dirout, NULL, flags);
+
+ config = (typeof(config)){
+ .dev = dev,
+ .sz = 4,
+ .dat = dat,
+ .set = set,
+ .dirout = dirout,
+ .flags = flags,
+ };
+
+ ret = gpio_generic_chip_init(&gpio->chip, &config);
if (ret < 0)
return dev_err_probe(dev, ret, "GPIO initialization failed\n");
- gpio->gc.ngpio = bank->length;
- gpio->gc.set_config = wpcm450_gpio_set_config;
- gpio->gc.fwnode = child;
- gpio->gc.add_pin_ranges = wpcm450_gpio_add_pin_ranges;
+ gpio->chip.gc.ngpio = bank->length;
+ gpio->chip.gc.set_config = wpcm450_gpio_set_config;
+ gpio->chip.gc.fwnode = child;
+ gpio->chip.gc.add_pin_ranges = wpcm450_gpio_add_pin_ranges;
- girq = &gpio->gc.irq;
+ girq = &gpio->chip.gc.irq;
gpio_irq_chip_set_chip(girq, &wpcm450_gpio_irqchip);
girq->parent_handler = wpcm450_gpio_irqhandler;
girq->parents = devm_kcalloc(dev, WPCM450_NUM_GPIO_IRQS,
@@ -1094,7 +1106,7 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
girq->num_parents++;
}
- ret = devm_gpiochip_add_data(dev, &gpio->gc, gpio);
+ ret = devm_gpiochip_add_data(dev, &gpio->chip.gc, gpio);
if (ret)
return dev_err_probe(dev, ret, "Failed to add GPIO chip\n");
}
diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index fce804d42e7d..210044185679 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -2,6 +2,7 @@
/* Copyright (C) 2019 Intel Corporation */
#include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -179,7 +180,7 @@ static int gpiochip_setup(struct device *dev, struct eqbr_gpio_ctrl *gctrl)
struct gpio_irq_chip *girq;
struct gpio_chip *gc;
- gc = &gctrl->chip;
+ gc = &gctrl->chip.gc;
gc->label = gctrl->name;
gc->fwnode = gctrl->fwnode;
gc->request = gpiochip_generic_request;
@@ -191,7 +192,7 @@ static int gpiochip_setup(struct device *dev, struct eqbr_gpio_ctrl *gctrl)
return 0;
}
- girq = &gctrl->chip.irq;
+ girq = &gctrl->chip.gc.irq;
gpio_irq_chip_set_chip(girq, &eqbr_irq_chip);
girq->parent_handler = eqbr_irq_handler;
girq->num_parents = 1;
@@ -208,6 +209,7 @@ static int gpiochip_setup(struct device *dev, struct eqbr_gpio_ctrl *gctrl)
static int gpiolib_reg(struct eqbr_pinctrl_drv_data *drvdata)
{
+ struct gpio_generic_chip_config config;
struct device *dev = drvdata->dev;
struct eqbr_gpio_ctrl *gctrl;
struct device_node *np;
@@ -239,12 +241,16 @@ static int gpiolib_reg(struct eqbr_pinctrl_drv_data *drvdata)
}
raw_spin_lock_init(&gctrl->lock);
- ret = bgpio_init(&gctrl->chip, dev, gctrl->bank->nr_pins / 8,
- gctrl->membase + GPIO_IN,
- gctrl->membase + GPIO_OUTSET,
- gctrl->membase + GPIO_OUTCLR,
- gctrl->membase + GPIO_DIR,
- NULL, 0);
+ config = (typeof(config)){
+ .dev = dev,
+ .sz = gctrl->bank->nr_pins / 8,
+ .dat = gctrl->membase + GPIO_IN,
+ .set = gctrl->membase + GPIO_OUTSET,
+ .clr = gctrl->membase + GPIO_OUTCLR,
+ .dirout = gctrl->membase + GPIO_DIR,
+ };
+
+ ret = gpio_generic_chip_init(&gctrl->chip, &config);
if (ret) {
dev_err(dev, "unable to init generic GPIO\n");
return ret;
@@ -254,7 +260,7 @@ static int gpiolib_reg(struct eqbr_pinctrl_drv_data *drvdata)
if (ret)
return ret;
- ret = devm_gpiochip_add_data(dev, &gctrl->chip, gctrl);
+ ret = devm_gpiochip_add_data(dev, &gctrl->chip.gc, gctrl);
if (ret)
return ret;
}
@@ -499,7 +505,7 @@ static int eqbr_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
bank->pin_base, pin);
return -ENODEV;
}
- gc = &gctrl->chip;
+ gc = &gctrl->chip.gc;
gc->direction_output(gc, offset, 0);
continue;
default:
diff --git a/drivers/pinctrl/pinctrl-equilibrium.h b/drivers/pinctrl/pinctrl-equilibrium.h
index b4d149bde39d..b56124d7fe91 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.h
+++ b/drivers/pinctrl/pinctrl-equilibrium.h
@@ -96,7 +96,7 @@ struct fwnode_handle;
* @lock: spin lock to protect gpio register write.
*/
struct eqbr_gpio_ctrl {
- struct gpio_chip chip;
+ struct gpio_generic_chip chip;
struct fwnode_handle *fwnode;
struct eqbr_pin_bank *bank;
void __iomem *membase;
diff --git a/drivers/pinctrl/pinctrl-max7360.c b/drivers/pinctrl/pinctrl-max7360.c
new file mode 100644
index 000000000000..abfaff468bad
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-max7360.c
@@ -0,0 +1,215 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2025 Bootlin
+ *
+ * Author: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
+ */
+
+#include <linux/array_size.h>
+#include <linux/dev_printk.h>
+#include <linux/device.h>
+#include <linux/device/devres.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/mfd/max7360.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/stddef.h>
+
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinmux.h>
+
+#include "core.h"
+#include "pinmux.h"
+
+struct max7360_pinctrl {
+ struct pinctrl_dev *pctldev;
+ struct pinctrl_desc pinctrl_desc;
+};
+
+static const struct pinctrl_pin_desc max7360_pins[] = {
+ PINCTRL_PIN(0, "PORT0"),
+ PINCTRL_PIN(1, "PORT1"),
+ PINCTRL_PIN(2, "PORT2"),
+ PINCTRL_PIN(3, "PORT3"),
+ PINCTRL_PIN(4, "PORT4"),
+ PINCTRL_PIN(5, "PORT5"),
+ PINCTRL_PIN(6, "PORT6"),
+ PINCTRL_PIN(7, "PORT7"),
+};
+
+static const unsigned int port0_pins[] = {0};
+static const unsigned int port1_pins[] = {1};
+static const unsigned int port2_pins[] = {2};
+static const unsigned int port3_pins[] = {3};
+static const unsigned int port4_pins[] = {4};
+static const unsigned int port5_pins[] = {5};
+static const unsigned int port6_pins[] = {6};
+static const unsigned int port7_pins[] = {7};
+static const unsigned int rotary_pins[] = {6, 7};
+
+static const struct pingroup max7360_groups[] = {
+ PINCTRL_PINGROUP("PORT0", port0_pins, ARRAY_SIZE(port0_pins)),
+ PINCTRL_PINGROUP("PORT1", port1_pins, ARRAY_SIZE(port1_pins)),
+ PINCTRL_PINGROUP("PORT2", port2_pins, ARRAY_SIZE(port2_pins)),
+ PINCTRL_PINGROUP("PORT3", port3_pins, ARRAY_SIZE(port3_pins)),
+ PINCTRL_PINGROUP("PORT4", port4_pins, ARRAY_SIZE(port4_pins)),
+ PINCTRL_PINGROUP("PORT5", port5_pins, ARRAY_SIZE(port5_pins)),
+ PINCTRL_PINGROUP("PORT6", port6_pins, ARRAY_SIZE(port6_pins)),
+ PINCTRL_PINGROUP("PORT7", port7_pins, ARRAY_SIZE(port7_pins)),
+ PINCTRL_PINGROUP("ROTARY", rotary_pins, ARRAY_SIZE(rotary_pins)),
+};
+
+static int max7360_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
+{
+ return ARRAY_SIZE(max7360_groups);
+}
+
+static const char *max7360_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned int group)
+{
+ return max7360_groups[group].name;
+}
+
+static int max7360_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
+ unsigned int group,
+ const unsigned int **pins,
+ unsigned int *num_pins)
+{
+ *pins = max7360_groups[group].pins;
+ *num_pins = max7360_groups[group].npins;
+ return 0;
+}
+
+static const struct pinctrl_ops max7360_pinctrl_ops = {
+ .get_groups_count = max7360_pinctrl_get_groups_count,
+ .get_group_name = max7360_pinctrl_get_group_name,
+ .get_group_pins = max7360_pinctrl_get_group_pins,
+#ifdef CONFIG_OF
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
+ .dt_free_map = pinconf_generic_dt_free_map,
+#endif
+};
+
+static const char * const simple_groups[] = {
+ "PORT0", "PORT1", "PORT2", "PORT3",
+ "PORT4", "PORT5", "PORT6", "PORT7",
+};
+
+static const char * const rotary_groups[] = { "ROTARY" };
+
+#define MAX7360_PINCTRL_FN_GPIO 0
+#define MAX7360_PINCTRL_FN_PWM 1
+#define MAX7360_PINCTRL_FN_ROTARY 2
+static const struct pinfunction max7360_functions[] = {
+ [MAX7360_PINCTRL_FN_GPIO] = PINCTRL_PINFUNCTION("gpio", simple_groups,
+ ARRAY_SIZE(simple_groups)),
+ [MAX7360_PINCTRL_FN_PWM] = PINCTRL_PINFUNCTION("pwm", simple_groups,
+ ARRAY_SIZE(simple_groups)),
+ [MAX7360_PINCTRL_FN_ROTARY] = PINCTRL_PINFUNCTION("rotary", rotary_groups,
+ ARRAY_SIZE(rotary_groups)),
+};
+
+static int max7360_get_functions_count(struct pinctrl_dev *pctldev)
+{
+ return ARRAY_SIZE(max7360_functions);
+}
+
+static const char *max7360_get_function_name(struct pinctrl_dev *pctldev, unsigned int selector)
+{
+ return max7360_functions[selector].name;
+}
+
+static int max7360_get_function_groups(struct pinctrl_dev *pctldev, unsigned int selector,
+ const char * const **groups,
+ unsigned int * const num_groups)
+{
+ *groups = max7360_functions[selector].groups;
+ *num_groups = max7360_functions[selector].ngroups;
+
+ return 0;
+}
+
+static int max7360_set_mux(struct pinctrl_dev *pctldev, unsigned int selector,
+ unsigned int group)
+{
+ struct regmap *regmap = dev_get_regmap(pctldev->dev->parent, NULL);
+ int val;
+
+ /*
+ * GPIO and PWM functions are the same: we only need to handle the
+ * rotary encoder function, on pins 6 and 7.
+ */
+ if (max7360_groups[group].pins[0] >= 6) {
+ if (selector == MAX7360_PINCTRL_FN_ROTARY)
+ val = MAX7360_GPIO_CFG_RTR_EN;
+ else
+ val = 0;
+
+ return regmap_write_bits(regmap, MAX7360_REG_GPIOCFG, MAX7360_GPIO_CFG_RTR_EN, val);
+ }
+
+ return 0;
+}
+
+static const struct pinmux_ops max7360_pmxops = {
+ .get_functions_count = max7360_get_functions_count,
+ .get_function_name = max7360_get_function_name,
+ .get_function_groups = max7360_get_function_groups,
+ .set_mux = max7360_set_mux,
+ .strict = true,
+};
+
+static int max7360_pinctrl_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+ struct pinctrl_desc *pd;
+ struct max7360_pinctrl *chip;
+ struct device *dev = &pdev->dev;
+
+ regmap = dev_get_regmap(dev->parent, NULL);
+ if (!regmap)
+ return dev_err_probe(dev, -ENODEV, "Could not get parent regmap\n");
+
+ chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ pd = &chip->pinctrl_desc;
+
+ pd->pctlops = &max7360_pinctrl_ops;
+ pd->pmxops = &max7360_pmxops;
+ pd->name = dev_name(dev);
+ pd->pins = max7360_pins;
+ pd->npins = MAX7360_MAX_GPIO;
+ pd->owner = THIS_MODULE;
+
+ /*
+ * This MFD sub-device does not have any associated device tree node:
+ * properties are stored in the device node of the parent (MFD) device
+ * and this same node is used in phandles of client devices.
+ * Reuse this device tree node here, as otherwise the pinctrl subsystem
+ * would be confused by this topology.
+ */
+ device_set_of_node_from_dev(dev, dev->parent);
+
+ chip->pctldev = devm_pinctrl_register(dev, pd, chip);
+ if (IS_ERR(chip->pctldev))
+ return dev_err_probe(dev, PTR_ERR(chip->pctldev), "can't register controller\n");
+
+ return 0;
+}
+
+static struct platform_driver max7360_pinctrl_driver = {
+ .driver = {
+ .name = "max7360-pinctrl",
+ },
+ .probe = max7360_pinctrl_probe,
+};
+module_platform_driver(max7360_pinctrl_driver);
+
+MODULE_DESCRIPTION("MAX7360 pinctrl driver");
+MODULE_AUTHOR("Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c b/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
index e91442eb566b..971959a75b0c 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
@@ -6,6 +6,7 @@
#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -45,7 +46,7 @@ struct stm32_hdp {
void __iomem *base;
struct clk *clk;
struct pinctrl_dev *pctl_dev;
- struct gpio_chip gpio_chip;
+ struct gpio_generic_chip gpio_chip;
u32 mux_conf;
u32 gposet_conf;
const char * const *func_name;
@@ -603,6 +604,7 @@ MODULE_DEVICE_TABLE(of, stm32_hdp_of_match);
static int stm32_hdp_probe(struct platform_device *pdev)
{
+ struct gpio_generic_chip_config config;
struct device *dev = &pdev->dev;
struct stm32_hdp *hdp;
u8 version;
@@ -635,21 +637,25 @@ static int stm32_hdp_probe(struct platform_device *pdev)
if (err)
return dev_err_probe(dev, err, "Failed to enable pinctrl\n");
- hdp->gpio_chip.get_direction = stm32_hdp_gpio_get_direction;
- hdp->gpio_chip.ngpio = ARRAY_SIZE(stm32_hdp_pins);
- hdp->gpio_chip.can_sleep = true;
- hdp->gpio_chip.names = stm32_hdp_pins_group;
-
- err = bgpio_init(&hdp->gpio_chip, dev, 4,
- hdp->base + HDP_GPOVAL,
- hdp->base + HDP_GPOSET,
- hdp->base + HDP_GPOCLR,
- NULL, NULL, BGPIOF_NO_INPUT);
+ hdp->gpio_chip.gc.get_direction = stm32_hdp_gpio_get_direction;
+ hdp->gpio_chip.gc.ngpio = ARRAY_SIZE(stm32_hdp_pins);
+ hdp->gpio_chip.gc.can_sleep = true;
+ hdp->gpio_chip.gc.names = stm32_hdp_pins_group;
+
+ config = (typeof(config)){
+ .dev = dev,
+ .sz = 4,
+ .dat = hdp->base + HDP_GPOVAL,
+ .set = hdp->base + HDP_GPOSET,
+ .clr = hdp->base + HDP_GPOCLR,
+ .flags = GPIO_GENERIC_NO_INPUT,
+ };
+
+ err = gpio_generic_chip_init(&hdp->gpio_chip, &config);
if (err)
- return dev_err_probe(dev, err, "Failed to init bgpio\n");
-
+ return dev_err_probe(dev, err, "Failed to init the generic GPIO chip\n");
- err = devm_gpiochip_add_data(dev, &hdp->gpio_chip, hdp);
+ err = devm_gpiochip_add_data(dev, &hdp->gpio_chip.gc, hdp);
if (err)
return dev_err_probe(dev, err, "Failed to add gpiochip\n");