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gpio: xilinx: Add support for using label property 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;