return ret;
}
as_pci->gpio_control[group].io_function = function;
+
+ switch (val) {
+ case AS3722_GPIO_IOSF_SD0_OUT:
+ case AS3722_GPIO_IOSF_PWR_GOOD_OUT:
+ case AS3722_GPIO_IOSF_Q32K_OUT:
+ case AS3722_GPIO_IOSF_PWM_OUT:
+ case AS3722_GPIO_IOSF_SD6_LOW_VOLT_LOW:
+ ret = as3722_update_bits(as_pci->as3722, gpio_cntr_reg,
+ AS3722_GPIO_MODE_MASK, AS3722_GPIO_MODE_OUTPUT_VDDH);
+ if (ret < 0) {
+ dev_err(as_pci->dev, "GPIO%d_CTRL update failed %d\n",
+ group, ret);
+ return ret;
+ }
+ as_pci->gpio_control[group].mode_prop =
+ AS3722_GPIO_MODE_OUTPUT_VDDH;
+ break;
+ default:
+ break;
+ }
return ret;
}
.direction_input = as3722_gpio_direction_input,
.direction_output = as3722_gpio_direction_output,
.to_irq = as3722_gpio_to_irq,
- .can_sleep = 1,
+ .can_sleep = true,
.ngpio = AS3722_PIN_NUM,
.base = -1,
};
};
/**
- * struct at91_pinctrl_mux_ops - describes an At91 mux ops group
+ * struct at91_pinctrl_mux_ops - describes an AT91 mux ops group
* on new IP with support for periph C and D the way to mux in
* periph A and B has changed
* So provide the right call back
unsigned pin;
int div;
- dev_dbg(info->dev, "%s:%d, pin_id=%d, config=0x%lx", __func__, __LINE__, pin_id, *config);
+ *config = 0;
+ dev_dbg(info->dev, "%s:%d, pin_id=%d", __func__, __LINE__, pin_id);
pio = pin_to_controller(info, pin_to_bank(pin_id));
pin = pin_id % MAX_NB_GPIO_PER_BANK;
return 0;
}
+ #define DBG_SHOW_FLAG(flag) do { \
+ if (config & flag) { \
+ if (num_conf) \
+ seq_puts(s, "|"); \
+ seq_puts(s, #flag); \
+ num_conf++; \
+ } \
+ } while (0)
+
static void at91_pinconf_dbg_show(struct pinctrl_dev *pctldev,
struct seq_file *s, unsigned pin_id)
{
+ unsigned long config;
+ int ret, val, num_conf = 0;
+
+ ret = at91_pinconf_get(pctldev, pin_id, &config);
+
+ DBG_SHOW_FLAG(MULTI_DRIVE);
+ DBG_SHOW_FLAG(PULL_UP);
+ DBG_SHOW_FLAG(PULL_DOWN);
+ DBG_SHOW_FLAG(DIS_SCHMIT);
+ DBG_SHOW_FLAG(DEGLITCH);
+ DBG_SHOW_FLAG(DEBOUNCE);
+ if (config & DEBOUNCE) {
+ val = config >> DEBOUNCE_VAL_SHIFT;
+ seq_printf(s, "(%d)", val);
+ }
+ return;
}
static void at91_pinconf_group_dbg_show(struct pinctrl_dev *pctldev,
__raw_writel(backups[i], pio + PIO_IDR);
__raw_writel(wakeups[i], pio + PIO_IER);
- if (!wakeups[i]) {
- clk_unprepare(gpio_chips[i]->clock);
- clk_disable(gpio_chips[i]->clock);
- } else {
+ if (!wakeups[i])
+ clk_disable_unprepare(gpio_chips[i]->clock);
+ else
printk(KERN_DEBUG "GPIO-%c may wake for %08x\n",
'A'+i, wakeups[i]);
- }
}
}
pio = gpio_chips[i]->regbase;
- if (!wakeups[i]) {
- if (clk_prepare(gpio_chips[i]->clock) == 0)
- clk_enable(gpio_chips[i]->clock);
- }
+ if (!wakeups[i])
+ clk_prepare_enable(gpio_chips[i]->clock);
__raw_writel(wakeups[i], pio + PIO_IDR);
__raw_writel(backups[i], pio + PIO_IER);
chained_irq_enter(chip, desc);
for (;;) {
/* Reading ISR acks pending (edge triggered) GPIO interrupts.
- * When there none are pending, we're finished unless we need
+ * When there are none pending, we're finished unless we need
* to process multiple banks (like ID_PIOCDE on sam9263).
*/
isr = readl_relaxed(pio + PIO_ISR) & readl_relaxed(pio + PIO_IMR);
prev = gpio_chips[at91_gpio->pioc_idx - 1];
/* The top level handler handles one bank of GPIOs, except
- * on some SoC it can handles up to three...
+ * on some SoC it can handle up to three...
* We only set up the handler for the first of the list.
*/
if (prev && prev->next == at91_gpio)
.set = at91_gpio_set,
.to_irq = at91_gpio_to_irq,
.dbg_show = at91_gpio_dbg_show,
- .can_sleep = 0,
+ .can_sleep = false,
.ngpio = MAX_NB_GPIO_PER_BANK,
};
#include <linux/gpio.h>
#include <linux/irqdomain.h>
#include <linux/acpi.h>
-#include <linux/acpi_gpio.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
#include <linux/io.h>
spin_lock_irqsave(&vg->lock, flags);
for (i = 0; i < vg->chip.ngpio; i++) {
+ const char *label;
offs = vg->range->pins[i] * 16;
conf0 = readl(vg->reg_base + offs + BYT_CONF0_REG);
val = readl(vg->reg_base + offs + BYT_VAL_REG);
+ label = gpiochip_is_requested(chip, i);
+ if (!label)
+ label = "Unrequested";
+
seq_printf(s,
- " gpio-%-3d %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s\n",
+ " gpio-%-3d (%-20.20s) %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s\n",
i,
+ label,
val & BYT_INPUT_EN ? " " : "in",
val & BYT_OUTPUT_EN ? " " : "out",
val & BYT_LEVEL ? "hi" : "lo",
{
}
+ static unsigned int byt_irq_startup(struct irq_data *d)
+ {
+ struct byt_gpio *vg = irq_data_get_irq_chip_data(d);
+
+ if (gpio_lock_as_irq(&vg->chip, irqd_to_hwirq(d)))
+ dev_err(vg->chip.dev,
+ "unable to lock HW IRQ %lu for IRQ\n",
+ irqd_to_hwirq(d));
+ byt_irq_unmask(d);
+ return 0;
+ }
+
+ static void byt_irq_shutdown(struct irq_data *d)
+ {
+ struct byt_gpio *vg = irq_data_get_irq_chip_data(d);
+
+ byt_irq_mask(d);
+ gpio_unlock_as_irq(&vg->chip, irqd_to_hwirq(d));
+ }
+
static struct irq_chip byt_irqchip = {
.name = "BYT-GPIO",
.irq_mask = byt_irq_mask,
.irq_unmask = byt_irq_unmask,
.irq_set_type = byt_irq_type,
+ .irq_startup = byt_irq_startup,
+ .irq_shutdown = byt_irq_shutdown,
};
static void byt_gpio_irq_init_hw(struct byt_gpio *vg)
gc->set = byt_gpio_set;
gc->dbg_show = byt_gpio_dbg_show;
gc->base = -1;
- gc->can_sleep = 0;
+ gc->can_sleep = false;
gc->dev = dev;
ret = gpiochip_add(gc);
irq_set_handler_data(hwirq, vg);
irq_set_chained_handler(hwirq, byt_gpio_irq_handler);
-
- /* Register interrupt handlers for gpio signaled acpi events */
- acpi_gpiochip_request_interrupts(gc);
}
pm_runtime_enable(dev);
(mode < 0) ? "unknown" : modes[mode],
pull ? "pull" : "none");
- if (label && !is_out) {
- int irq = gpio_to_irq(gpio);
+ if (!is_out) {
+ int irq = gpio_to_irq(gpio);
struct irq_desc *desc = irq_to_desc(irq);
/* This races with request_irq(), set_irq_type(),
* and set_irq_wake() ... but those are "rare".
*/
- if (irq >= 0 && desc->action) {
+ if (irq > 0 && desc && desc->action) {
char *trigger;
u32 bitmask = nmk_gpio_get_bitmask(gpio);
.set = nmk_gpio_set_output,
.to_irq = nmk_gpio_to_irq,
.dbg_show = nmk_gpio_dbg_show,
- .can_sleep = 0,
+ .can_sleep = false,
};
void nmk_gpio_clocks_enable(void)
return val;
}
- static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip,
- unsigned offset, int value)
- {
- return pinctrl_gpio_direction_output(chip->base + offset);
- }
-
static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
unsigned offset, int value)
{
spin_unlock_irqrestore(&pctl->lock, flags);
}
+ static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+ {
+ sunxi_pinctrl_gpio_set(chip, offset, value);
+ return pinctrl_gpio_direction_output(chip->base + offset);
+ }
+
static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc,
const struct of_phandle_args *gpiospec,
u32 *flags)
.of_xlate = sunxi_pinctrl_gpio_of_xlate,
.to_irq = sunxi_pinctrl_gpio_to_irq,
.of_gpio_n_cells = 3,
- .can_sleep = 0,
+ .can_sleep = false,
};
static int sunxi_pinctrl_irq_set_type(struct irq_data *d,
#define R8A7740_PIN_O(pin) SH_PFC_PIN_CFG(pin, __O)
#define R8A7740_PIN_O_PU_PD(pin) SH_PFC_PIN_CFG(pin, __O | __PUD)
- static struct sh_pfc_pin pinmux_pins[] = {
+ static const struct sh_pfc_pin pinmux_pins[] = {
/* Table 56-1 (I/O and Pull U/D) */
R8A7740_PIN_IO_PD(0), R8A7740_PIN_IO_PD(1),
R8A7740_PIN_IO_PD(2), R8A7740_PIN_IO_PD(3),
SH_PFC_FUNCTION(tpu0),
};
- #undef PORTCR
- #define PORTCR(nr, reg) \
- { \
- PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
- _PCRH(PORT##nr##_IN, 0, 0, PORT##nr##_OUT), \
- PORT##nr##_FN0, PORT##nr##_FN1, \
- PORT##nr##_FN2, PORT##nr##_FN3, \
- PORT##nr##_FN4, PORT##nr##_FN5, \
- PORT##nr##_FN6, PORT##nr##_FN7 } \
- }
-
static const struct pinmux_cfg_reg pinmux_config_regs[] = {
PORTCR(0, 0xe6050000), /* PORT0CR */
PORTCR(1, 0xe6050001), /* PORT1CR */
const struct r8a7740_portcr_group *group =
&r8a7740_portcr_offsets[i];
- if (i <= group->end_pin)
+ if (pin <= group->end_pin)
- return pfc->window->virt + group->offset + pin;
+ return pfc->windows->virt + group->offset + pin;
}
return NULL;
#define SH7372_PIN_O(pin) SH_PFC_PIN_CFG(pin, __O)
#define SH7372_PIN_O_PU_PD(pin) SH_PFC_PIN_CFG(pin, __O | __PUD)
- static struct sh_pfc_pin pinmux_pins[] = {
+ static const struct sh_pfc_pin pinmux_pins[] = {
/* Table 57-1 (I/O and Pull U/D) */
SH7372_PIN_IO_PD(0), SH7372_PIN_IO_PD(1),
SH7372_PIN_O(2), SH7372_PIN_I_PD(3),
SH_PFC_FUNCTION(usb1),
};
- #undef PORTCR
- #define PORTCR(nr, reg) \
- { \
- PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
- _PCRH(PORT##nr##_IN, 0, 0, PORT##nr##_OUT), \
- PORT##nr##_FN0, PORT##nr##_FN1, \
- PORT##nr##_FN2, PORT##nr##_FN3, \
- PORT##nr##_FN4, PORT##nr##_FN5, \
- PORT##nr##_FN6, PORT##nr##_FN7 } \
- }
-
static const struct pinmux_cfg_reg pinmux_config_regs[] = {
PORTCR(0, 0xE6051000), /* PORT0CR */
PORTCR(1, 0xE6051001), /* PORT1CR */
const struct sh7372_portcr_group *group =
&sh7372_portcr_offsets[i];
- if (i <= group->end_pin)
+ if (pin <= group->end_pin)
- return pfc->window->virt + group->offset + pin;
+ return pfc->windows->virt + group->offset + pin;
}
return NULL;
#define PINMUX_CFG_REG(name, r, r_width, f_width) \
.reg = r, .reg_width = r_width, .field_width = f_width, \
- .enum_ids = (u16 [(r_width / f_width) * (1 << f_width)])
+ .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)])
#define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
.reg = r, .reg_width = r_width, \
- .var_field_width = (unsigned long [r_width]) { var_fw0, var_fwn, 0 }, \
- .enum_ids = (u16 [])
+ .var_field_width = (const unsigned long [r_width]) \
+ { var_fw0, var_fwn, 0 }, \
+ .enum_ids = (const u16 [])
struct pinmux_data_reg {
unsigned long reg, reg_width;
#define PINMUX_DATA_REG(name, r, r_width) \
.reg = r, .reg_width = r_width, \
- .enum_ids = (u16 [r_width]) \
+ .enum_ids = (const u16 [r_width]) \
struct pinmux_irq {
int irq;
- unsigned short *gpios;
+ const short *gpios;
};
#define PINMUX_IRQ(irq_nr, ids...) \
- { .irq = irq_nr, .gpios = (unsigned short []) { ids, 0 } } \
+ { .irq = irq_nr, .gpios = (const short []) { ids, -1 } }
struct pinmux_range {
u16 begin;
#define PINMUX_GPIO(_pin) \
[GPIO_##_pin] = { \
.pin = (u16)-1, \
- .name = __stringify(name), \
+ .name = __stringify(GPIO_##_pin), \
.enum_id = _pin##_DATA, \
}
#define PORTCR(nr, reg) \
{ \
PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
- _PCRH(PORT##nr##_IN, PORT##nr##_IN_PD, \
- PORT##nr##_IN_PU, PORT##nr##_OUT), \
+ _PCRH(PORT##nr##_IN, 0, 0, PORT##nr##_OUT), \
PORT##nr##_FN0, PORT##nr##_FN1, \
PORT##nr##_FN2, PORT##nr##_FN3, \
PORT##nr##_FN4, PORT##nr##_FN5, \