diff mbox series

[3/6] sc16is7xx: Separate GPIOs from modem control lines

Message ID 20220221105618.3503470-4-tomasz.mon@camlingroup.com
State New
Headers show
Series [1/6] sc16is7xx: Preserve EFR bits on update | expand

Commit Message

Tomasz Moń Feb. 21, 2022, 10:56 a.m. UTC 
From: Lech Perczak <l.perczak@camlintechnologies.com>

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@camlintechnologies.com>
Signed-off-by: Tomasz Moń <tomasz.mon@camlingroup.com>
---
 drivers/tty/serial/sc16is7xx.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
diff mbox series

Patch

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)