#define HTCPLD_GPIO_DOWN_DPAD HTCPLD_BASE(7, 4)
#define HTCPLD_GPIO_ENTER_DPAD HTCPLD_BASE(7, 3)
-/*
- * The htcpld chip requires a gpio write to a specific line
- * to re-enable interrupts after one has occurred.
- */
-#define HTCPLD_GPIO_INT_RESET_HI HTCPLD_BASE(2, 7)
-#define HTCPLD_GPIO_INT_RESET_LO HTCPLD_BASE(2, 0)
-
/* Chip 5 */
#define HTCPLD_IRQ_RIGHT_KBD HTCPLD_IRQ(0, 7)
#define HTCPLD_IRQ_UP_KBD HTCPLD_IRQ(0, 6)
};
static struct htcpld_core_platform_data htcpld_pfdata = {
- .int_reset_gpio_hi = HTCPLD_GPIO_INT_RESET_HI,
- .int_reset_gpio_lo = HTCPLD_GPIO_INT_RESET_LO,
.i2c_adapter_id = 1,
.chip = htcpld_chips,
#include <linux/irq.h>
#include <linux/spinlock.h>
#include <linux/htcpld.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
#include <linux/slab.h>
struct htcpld_chip {
uint irq_start;
int nirqs;
uint chained_irq;
- unsigned int int_reset_gpio_hi;
- unsigned int int_reset_gpio_lo;
+ struct gpio_desc *int_reset_gpio_hi;
+ struct gpio_desc *int_reset_gpio_lo;
/* htcpld info */
struct htcpld_chip *chip;
* be asserted.
*/
if (htcpld->int_reset_gpio_hi)
- gpio_set_value(htcpld->int_reset_gpio_hi, 1);
+ gpiod_set_value(htcpld->int_reset_gpio_hi, 1);
if (htcpld->int_reset_gpio_lo)
- gpio_set_value(htcpld->int_reset_gpio_lo, 0);
+ gpiod_set_value(htcpld->int_reset_gpio_lo, 0);
return IRQ_HANDLED;
}
return ret;
/* Request the GPIO(s) for the int reset and set them up */
- if (pdata->int_reset_gpio_hi) {
- ret = gpio_request(pdata->int_reset_gpio_hi, "htcpld-core");
- if (ret) {
- /*
- * If it failed, that sucks, but we can probably
- * continue on without it.
- */
- dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n");
- htcpld->int_reset_gpio_hi = 0;
- } else {
- htcpld->int_reset_gpio_hi = pdata->int_reset_gpio_hi;
- gpio_set_value(htcpld->int_reset_gpio_hi, 1);
- }
- }
+ htcpld->int_reset_gpio_hi = gpiochip_request_own_desc(&htcpld->chip[2].chip_out,
+ 7, "htcpld-core", GPIO_ACTIVE_HIGH,
+ GPIOD_OUT_HIGH);
+ if (!htcpld->int_reset_gpio_hi)
+ /*
+ * If it failed, that sucks, but we can probably
+ * continue on without it.
+ */
+ dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n");
- if (pdata->int_reset_gpio_lo) {
- ret = gpio_request(pdata->int_reset_gpio_lo, "htcpld-core");
- if (ret) {
- /*
- * If it failed, that sucks, but we can probably
- * continue on without it.
- */
- dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n");
- htcpld->int_reset_gpio_lo = 0;
- } else {
- htcpld->int_reset_gpio_lo = pdata->int_reset_gpio_lo;
- gpio_set_value(htcpld->int_reset_gpio_lo, 0);
- }
- }
+
+ htcpld->int_reset_gpio_lo = gpiochip_request_own_desc(&htcpld->chip[2].chip_out,
+ 0, "htcpld-core", GPIO_ACTIVE_HIGH,
+ GPIOD_OUT_LOW);
+ if (!htcpld->int_reset_gpio_lo)
+ /*
+ * If it failed, that sucks, but we can probably
+ * continue on without it.
+ */
+ dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n");
dev_info(dev, "Initialized successfully\n");
return 0;