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gpio: xilinx: Add support for using label property

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Add support for reading label property from DT and set up bank name
based on that. If label property is not present full device node name is
used.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>
This commit is contained in:
Michal Simek 2018-08-02 12:58:54 +02:00
parent ac7f061398
commit 312dd1c55c
2 changed files with 18 additions and 2 deletions
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10
drivers/gpio/xilinx_gpio.c
View File

@ -241,8 +241,16 @@ static int xilinx_gpio_probe(struct udevice *dev)
struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
struct xilinx_gpio_privdata *priv = dev_get_priv(dev);
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
const void *label_ptr;
uc_priv->bank_name = dev->name;
label_ptr = dev_read_prop(dev, "label", NULL);
if (label_ptr) {
uc_priv->bank_name = strdup(label_ptr);
if (!uc_priv->bank_name)
return -ENOMEM;
} else {
uc_priv->bank_name = dev->name;
}
uc_priv->gpio_count = platdata->bank_max[0] + platdata->bank_max[1];

10
drivers/gpio/zynq_gpio.c
View File

@ -336,8 +336,16 @@ static int zynq_gpio_probe(struct udevice *dev)
{
struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
const void *label_ptr;
uc_priv->bank_name = dev->name;
label_ptr = dev_read_prop(dev, "label", NULL);
if (label_ptr) {
uc_priv->bank_name = strdup(label_ptr);
if (!uc_priv->bank_name)
return -ENOMEM;
} else {
uc_priv->bank_name = dev->name;
}
if (platdata->p_data)
uc_priv->gpio_count = platdata->p_data->ngpio;