Add information on supported serial_rs485 features.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/amba-pl011.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 97ef41cb2721..cdc466e89aa8 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2751,6 +2751,13 @@ static int pl011_register_port(struct uart_amba_port *uap)
return ret;
}
+static const struct serial_rs485 pl011_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND |
+ SER_RS485_RX_DURING_TX,
+ .delay_rts_before_send = 1,
+ .delay_rts_after_send = 1,
+};
+
static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
{
struct uart_amba_port *uap;
@@ -2777,6 +2784,7 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
uap->port.irq = dev->irq[0];
uap->port.ops = &amba_pl011_pops;
uap->port.rs485_config = pl011_rs485_config;
+ uap->port.rs485_supported = &pl011_rs485_supported;
snprintf(uap->type, sizeof(uap->type), "PL011 rev%u", amba_rev(dev));
ret = pl011_setup_port(&dev->dev, uap, &dev->res, portnr);
--
2.30.2
