[PATCH 5/6] tty: of_serial: Add pinctrl support
From: Maxime Ripard <hidden>
Date: 2012-12-19 20:18:14
Also in:
linux-serial
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Use pinctrl to configure the SoCs pins directly from the driver. Signed-off-by: Maxime Ripard <redacted> Cc: Alan Cox <redacted> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-serial at vger.kernel.org --- drivers/tty/serial/of_serial.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index df443b9..f66bdab 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c@@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/pinctrl/consumer.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/serial_reg.h>
@@ -54,6 +55,7 @@ static int __devinit of_platform_serial_setup(struct platform_device *ofdev, int type, struct uart_port *port) { struct resource resource; + struct pinctrl *pinctrl; struct device_node *np = ofdev->dev.of_node; u32 clk, spd, prop; int ret;
@@ -73,6 +75,11 @@ static int __devinit of_platform_serial_setup(struct platform_device *ofdev, return ret; } + pinctrl = devm_pinctrl_get_select_default(&ofdev->dev); + if (IS_ERR(pinctrl)) + dev_warn(&ofdev->dev, + "pins are not configured from the driver\n"); + spin_lock_init(&port->lock); port->mapbase = resource.start;
--
1.7.9.5