#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_irq.h>
-#include <linux/of_gpio.h> /* of_get_named_gpio() */
#include <linux/of_address.h>
#include <linux/gpio/driver.h>
#include <linux/regmap.h>
return;
}
+static int st_pctl_dt_calculate_pin(struct st_pinctrl *info,
+ phandle bank, unsigned int offset)
+{
+ struct device_node *np;
+ struct gpio_chip *chip;
+ int retval = -EINVAL;
+ int i;
+
+ np = of_find_node_by_phandle(bank);
+ if (!np)
+ return -EINVAL;
+
+ for (i = 0; i < info->nbanks; i++) {
+ chip = &info->banks[i].gpio_chip;
+ if (chip->of_node == np) {
+ if (offset < chip->ngpio)
+ retval = chip->base + offset;
+ break;
+ }
+ }
+
+ of_node_put(np);
+ return retval;
+}
+
/*
* Each pin is represented in of the below forms.
* <bank offset mux direction rt_type rt_delay rt_clk>
struct device *dev = info->dev;
struct st_pinconf *conf;
struct device_node *pins;
+ phandle bank;
+ unsigned int offset;
int i = 0, npins = 0, nr_props, ret = 0;
pins = of_get_child_by_name(np, "st,pins");
conf = &grp->pin_conf[i];
/* bank & offset */
- be32_to_cpup(list++);
- be32_to_cpup(list++);
- conf->pin = of_get_named_gpio(pins, pp->name, 0);
+ bank = be32_to_cpup(list++);
+ offset = be32_to_cpup(list++);
+ conf->pin = st_pctl_dt_calculate_pin(info, bank, offset);
conf->name = pp->name;
grp->pins[i] = conf->pin;
/* mux */