+
+static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ gpio_line_config(gpio, GPIO_IN);
+ return 0;
+}
+
+static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
+{
+ gpio_line_set(gpio, level);
+ gpio_line_config(gpio, GPIO_OUT);
+ return 0;
+}
+
+static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ return gpio_line_get(gpio);
+}
+
+static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
+{
+ gpio_line_set(gpio, value);
+}
+
+static struct gpio_chip iop3xx_chip = {
+ .label = "iop3xx",
+ .direction_input = iop3xx_gpio_direction_input,
+ .get = iop3xx_gpio_get_value,
+ .direction_output = iop3xx_gpio_direction_output,
+ .set = iop3xx_gpio_set_value,
+ .base = 0,
+ .ngpio = IOP3XX_N_GPIOS,
+};
+
+static int __init iop3xx_gpio_setup(void)
+{
+ return gpiochip_add(&iop3xx_chip);
+}
+arch_initcall(iop3xx_gpio_setup);