drivers/tty/serial/8250/8250_fintek.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
The F81216E is a LPC/eSPI to 4 UART Super I/O and is mostly compatible with
the F81216H, but does not support RS-485 auto-direction delays on any port.
Signed-off-by: Filip Brozovic <fbrozovic@gmail.com>
---
drivers/tty/serial/8250/8250_fintek.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c
index e2aa2a1a02dd..ecbce226b874 100644
--- a/drivers/tty/serial/8250/8250_fintek.c
+++ b/drivers/tty/serial/8250/8250_fintek.c
@@ -21,6 +21,7 @@
#define CHIP_ID_F81866 0x1010
#define CHIP_ID_F81966 0x0215
#define CHIP_ID_F81216AD 0x1602
+#define CHIP_ID_F81216E 0x1617
#define CHIP_ID_F81216H 0x0501
#define CHIP_ID_F81216 0x0802
#define VENDOR_ID1 0x23
@@ -158,6 +159,7 @@ static int fintek_8250_check_id(struct fintek_8250 *pdata)
case CHIP_ID_F81866:
case CHIP_ID_F81966:
case CHIP_ID_F81216AD:
+ case CHIP_ID_F81216E:
case CHIP_ID_F81216H:
case CHIP_ID_F81216:
break;
@@ -181,6 +183,7 @@ static int fintek_8250_get_ldn_range(struct fintek_8250 *pdata, int *min,
return 0;
case CHIP_ID_F81216AD:
+ case CHIP_ID_F81216E:
case CHIP_ID_F81216H:
case CHIP_ID_F81216:
*min = F81216_LDN_LOW;
@@ -250,6 +253,7 @@ static void fintek_8250_set_irq_mode(struct fintek_8250 *pdata, bool is_level)
break;
case CHIP_ID_F81216AD:
+ case CHIP_ID_F81216E:
case CHIP_ID_F81216H:
case CHIP_ID_F81216:
sio_write_mask_reg(pdata, FINTEK_IRQ_MODE, IRQ_SHARE,
@@ -263,7 +267,8 @@ static void fintek_8250_set_irq_mode(struct fintek_8250 *pdata, bool is_level)
static void fintek_8250_set_max_fifo(struct fintek_8250 *pdata)
{
switch (pdata->pid) {
- case CHIP_ID_F81216H: /* 128Bytes FIFO */
+ case CHIP_ID_F81216E: /* 128Bytes FIFO */
+ case CHIP_ID_F81216H:
case CHIP_ID_F81966:
case CHIP_ID_F81866:
sio_write_mask_reg(pdata, FIFO_CTRL,
@@ -297,6 +302,7 @@ static void fintek_8250_set_termios(struct uart_port *port,
goto exit;
switch (pdata->pid) {
+ case CHIP_ID_F81216E:
case CHIP_ID_F81216H:
reg = RS485;
break;
@@ -346,6 +352,7 @@ static void fintek_8250_set_termios_handler(struct uart_8250_port *uart)
struct fintek_8250 *pdata = uart->port.private_data;
switch (pdata->pid) {
+ case CHIP_ID_F81216E:
case CHIP_ID_F81216H:
case CHIP_ID_F81966:
case CHIP_ID_F81866:
@@ -438,6 +445,11 @@ static void fintek_8250_set_rs485_handler(struct uart_8250_port *uart)
uart->port.rs485_supported = fintek_8250_rs485_supported;
break;
+ case CHIP_ID_F81216E: /* F81216E does not support RS485 delays */
+ uart->port.rs485_config = fintek_8250_rs485_config;
+ uart->port.rs485_supported = fintek_8250_rs485_supported;
+ break;
+
default: /* No RS485 Auto direction functional */
break;
}
--
2.40.1
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