/**
* We have a top-level GPIO device with no actual GPIOs. It has a child
* device for each Sunxi bank.
*/
static int gpio_sunxi_bind(struct udevice *parent)
{
struct sunxi_gpio_platdata *plat = parent->platdata;
struct sunxi_gpio_reg *ctlr;
int bank;
int ret;
/* If this is a child device, there is nothing to do here */
if (plat)
return 0;
ctlr = (struct sunxi_gpio_reg *)fdtdec_get_addr(gd->fdt_blob,
parent->of_offset, "reg");
for (bank = 0; bank < SUNXI_GPIO_BANKS; bank++) {
struct sunxi_gpio_platdata *plat;
struct udevice *dev;
plat = calloc(1, sizeof(*plat));
if (!plat)
return -ENOMEM;
plat->regs = &ctlr->gpio_bank[bank];
plat->bank_name = gpio_bank_name(bank);
plat->gpio_count = SUNXI_GPIOS_PER_BANK;
ret = device_bind(parent, parent->driver,
plat->bank_name, plat, -1, &dev);
if (ret)
return ret;
dev->of_offset = parent->of_offset;
}
return 0;
}
/**
* We have a top-level GPIO device with no actual GPIOs. It has a child
* device for each Sunxi bank.
*/
static int gpio_sunxi_bind(struct udevice *parent)
{
struct sunxi_gpio_soc_data *soc_data =
(struct sunxi_gpio_soc_data *)dev_get_driver_data(parent);
struct sunxi_gpio_platdata *plat = parent->platdata;
struct sunxi_gpio_reg *ctlr;
int bank, ret;
/* If this is a child device, there is nothing to do here */
if (plat)
return 0;
ctlr = (struct sunxi_gpio_reg *)devfdt_get_addr(parent);
for (bank = 0; bank < soc_data->no_banks; bank++) {
struct sunxi_gpio_platdata *plat;
struct udevice *dev;
plat = calloc(1, sizeof(*plat));
if (!plat)
return -ENOMEM;
plat->regs = &ctlr->gpio_bank[bank];
plat->bank_name = gpio_bank_name(soc_data->start + bank);
plat->gpio_count = SUNXI_GPIOS_PER_BANK;
ret = device_bind(parent, parent->driver,
plat->bank_name, plat, -1, &dev);
if (ret)
return ret;
dev_set_of_offset(dev, dev_of_offset(parent));
}
return 0;
}
