lantiq: Add support for linux 4.4

[openwrt.git] / target / linux / lantiq / patches-4.4 / 0045-pinctrl-lantiq-Fix-GPIO-Setup-of-GPIO-Port3.patch

diff --git a/target/linux/lantiq/patches-4.4/0045-pinctrl-lantiq-Fix-GPIO-Setup-of-GPIO-Port3.patch b/target/linux/lantiq/patches-4.4/0045-pinctrl-lantiq-Fix-GPIO-Setup-of-GPIO-Port3.patch
new file mode 100644 (file)
index 0000000..a5f92ee
--- /dev/null
+++ b/target/linux/lantiq/patches-4.4/0045-pinctrl-lantiq-Fix-GPIO-Setup-of-GPIO-Port3.patch
@@ -0,0 +1,28 @@
+From 57b588c950b7e04e0f22393ad439299ba4fda9c3 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Thu, 26 Nov 2015 11:00:09 +0100
+Subject: [PATCH] pinctrl/lantiq: Fix GPIO Setup of GPIO Port3
+
+Some special handling of GPIO Port 3 is needed because of
+some hardware thingofabob.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Signed-off-by: Martin Schiller <mschiller@tdt.de>
+Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
+---
+ drivers/pinctrl/pinctrl-xway.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/pinctrl/pinctrl-xway.c
++++ b/drivers/pinctrl/pinctrl-xway.c
+@@ -1570,6 +1570,10 @@ static int xway_gpio_dir_out(struct gpio
+ {
+       struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
+ 
++      if (PORT(pin) == PORT3)
++              gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
++      else
++              gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
+       gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
+       xway_gpio_set(chip, pin, val);
+