aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpio
diff options
context:
space:
mode:
authorMichal Simek <michal.simek@xilinx.com>2018-08-02 12:58:54 +0200
committerMichal Simek <michal.simek@xilinx.com>2018-08-07 11:03:43 +0200
commit312dd1c55cbb4f090a1f3ba25709779550c0f50c (patch)
tree1933b98dbb10071de43b38887b03416e470493c5 /drivers/gpio
parentac7f061398ba48904e2900f1f9df93f35f5c88c8 (diff)
downloadu-boot-312dd1c55cbb4f090a1f3ba25709779550c0f50c.zip
u-boot-312dd1c55cbb4f090a1f3ba25709779550c0f50c.tar.gz
u-boot-312dd1c55cbb4f090a1f3ba25709779550c0f50c.tar.bz2
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>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/xilinx_gpio.c10
-rw-r--r--drivers/gpio/zynq_gpio.c10
2 files changed, 18 insertions, 2 deletions
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 @@ 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];
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 @@ 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;