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>
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c
index fc460c3..2389abe 100644
--- a/drivers/gpio/xilinx_gpio.c
+++ b/drivers/gpio/xilinx_gpio.c
@@ -241,8 +241,16 @@
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];
diff --git a/drivers/gpio/zynq_gpio.c b/drivers/gpio/zynq_gpio.c
index 6fbaafb..55a5cba 100644
--- a/drivers/gpio/zynq_gpio.c
+++ b/drivers/gpio/zynq_gpio.c
@@ -336,8 +336,16 @@
{
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;