+// SPDX-License-Identifier: GPL-2.0+
/*
* Take linux kernel driver drivers/gpio/gpio-pca953x.c for reference.
*
* Copyright (C) 2016 Peng Fan <van.freenix@gmail.com>
*
- * SPDX-License-Identifier: GPL-2.0+
- *
*/
/*
#define MAX_BANK 5
#define BANK_SZ 8
-DECLARE_GLOBAL_DATA_PTR;
-
/*
* struct pca953x_info - Data for pca953x
*
ret = dm_i2c_read(dev, reg << 1, val, info->bank_count);
} else if (info->gpio_count == 40) {
/* Auto increment */
- ret = dm_i2c_read(dev, (reg << 3) | 0x80, val, info->bank_count);
+ ret = dm_i2c_read(dev, (reg << 3) | 0x80, val,
+ info->bank_count);
} else {
dev_err(dev, "Unsupported now\n");
return -EINVAL;
return !(info->reg_direction[bank] & (1 << off));
}
-static int pca953x_get_value(struct udevice *dev, unsigned offset)
+static int pca953x_get_value(struct udevice *dev, uint offset)
{
int ret;
u8 val = 0;
return (val >> off) & 0x1;
}
-static int pca953x_set_value(struct udevice *dev, unsigned offset,
- int value)
+static int pca953x_set_value(struct udevice *dev, uint offset, int value)
{
struct pca953x_info *info = dev_get_platdata(dev);
int bank = offset / BANK_SZ;
return 0;
}
-static int pca953x_set_direction(struct udevice *dev, unsigned offset, int dir)
+static int pca953x_set_direction(struct udevice *dev, uint offset, int dir)
{
struct pca953x_info *info = dev_get_platdata(dev);
int bank = offset / BANK_SZ;
return 0;
}
-static int pca953x_direction_input(struct udevice *dev, unsigned offset)
+static int pca953x_direction_input(struct udevice *dev, uint offset)
{
return pca953x_set_direction(dev, offset, PCA953X_DIRECTION_IN);
}
-static int pca953x_direction_output(struct udevice *dev, unsigned offset,
- int value)
+static int pca953x_direction_output(struct udevice *dev, uint offset, int value)
{
/* Configure output value. */
pca953x_set_value(dev, offset, value);
return 0;
}
-static int pca953x_get_function(struct udevice *dev, unsigned offset)
+static int pca953x_get_function(struct udevice *dev, uint offset)
{
if (pca953x_is_output(dev, offset))
return GPIOF_OUTPUT;
struct ofnode_phandle_args *args)
{
desc->offset = args->args[0];
- desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;
+ desc->flags = args->args[1] & (GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0);
return 0;
}
{
struct pca953x_info *info = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
- char name[32], *str;
+ char name[32], label[8], *str;
int addr;
ulong driver_data;
int ret;
+ int size;
+ const u8 *tmp;
- addr = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "reg", 0);
+ addr = dev_read_addr(dev);
if (addr == 0)
return -ENODEV;
return ret;
}
- snprintf(name, sizeof(name), "gpio@%x_", info->addr);
+ tmp = dev_read_prop(dev, "label", &size);
+
+ if (tmp) {
+ memcpy(label, tmp, sizeof(label) - 1);
+ label[sizeof(label) - 1] = '\0';
+ snprintf(name, sizeof(name), "%s@%x_", label, info->addr);
+ } else {
+ snprintf(name, sizeof(name), "gpio@%x_", info->addr);
+ }
+
str = strdup(name);
if (!str)
return -ENOMEM;