From: Lech Perczak <l.perczak@xxxxxxxxxxxxxxxxxxxxxx>
Export only the GPIOs that are not shared with hardware modem control
lines. Introduce new device parameter indicating whether modem control
lines are available.
Signed-off-by: Lech Perczak <l.perczak@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Tomasz Moń <tomasz.mon@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/sc16is7xx.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index c62531b2efe2..21ae2c0b7bbe 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -306,6 +306,7 @@ struct sc16is7xx_devtype {
char name[10];
int nr_gpio;
int nr_uart;
+ int has_mctrl;
};
#define SC16IS7XX_RECONF_MD (1 << 0)
@@ -440,30 +441,35 @@ static const struct sc16is7xx_devtype sc16is74x_devtype = {
.name = "SC16IS74X",
.nr_gpio = 0,
.nr_uart = 1,
+ .has_mctrl = 0,
};
static const struct sc16is7xx_devtype sc16is750_devtype = {
.name = "SC16IS750",
- .nr_gpio = 8,
+ .nr_gpio = 4,
.nr_uart = 1,
+ .has_mctrl = 1,
};
static const struct sc16is7xx_devtype sc16is752_devtype = {
.name = "SC16IS752",
- .nr_gpio = 8,
+ .nr_gpio = 0,
.nr_uart = 2,
+ .has_mctrl = 1,
};
static const struct sc16is7xx_devtype sc16is760_devtype = {
.name = "SC16IS760",
- .nr_gpio = 8,
+ .nr_gpio = 4,
.nr_uart = 1,
+ .has_mctrl = 1,
};
static const struct sc16is7xx_devtype sc16is762_devtype = {
.name = "SC16IS762",
- .nr_gpio = 8,
+ .nr_gpio = 0,
.nr_uart = 2,
+ .has_mctrl = 1,
};
static bool sc16is7xx_regmap_volatile(struct device *dev, unsigned int reg)
--
2.25.1
