The device-specific property should be prefixed with the vendor name
Change this and document the bindings of this platform device.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
Documentation/devicetree/bindings/gpio/gpio-exar.txt | 5 +++++
drivers/gpio/gpio-exar.c | 2 +-
drivers/tty/serial/8250/8250_exar.c | 4 ++--
3 files changed, 8 insertions(+), 3 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-exar.txt
diff --git a/Documentation/devicetree/bindings/gpio/gpio-exar.txt
b/Documentation/devicetree/bindings/gpio/gpio-exar.txt
new file mode 100644
index 000000000000..452180229b36
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-exar.txt
@@ -0,0 +1,5 @@
+Exportable MPIO interface of Exar UART chips
+
+Required properties of platform device:
+ - exar,first-pin: first exportable pins (0..15)
+ - ngpios: number of exportable pins (1..16)
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index fb8d304cfa17..0ecd2369c2ca 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -132,7 +132,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
if (!p)
return -ENOMEM;
- ret = device_property_read_u32(&pdev->dev, "linux,first-pin",
+ ret = device_property_read_u32(&pdev->dev, "exar,first-pin",
&first_pin);
if (ret)
return ret;
diff --git a/drivers/tty/serial/8250/8250_exar.c
b/drivers/tty/serial/8250/8250_exar.c
index b5c98e5bf524..c6360fbdf808 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -261,7 +261,7 @@ __xr17v35x_register_gpio(struct pci_dev *pcidev,
}
static const struct property_entry exar_gpio_properties[] = {
- PROPERTY_ENTRY_U32("linux,first-pin", 0),
+ PROPERTY_ENTRY_U32("exar,first-pin", 0),
PROPERTY_ENTRY_U32("ngpios", 16),
{ }
};
@@ -326,7 +326,7 @@ static int iot2040_rs485_config(struct uart_port *port,
}
static const struct property_entry iot2040_gpio_properties[] = {
- PROPERTY_ENTRY_U32("linux,first-pin", 10),
+ PROPERTY_ENTRY_U32("exar,first-pin", 10),
PROPERTY_ENTRY_U32("ngpios", 1),
{ }
};
--
2.12.3
