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

   1 From 57b588c950b7e04e0f22393ad439299ba4fda9c3 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Thu, 26 Nov 2015 11:00:09 +0100
   4 Subject: [PATCH] pinctrl/lantiq: Fix GPIO Setup of GPIO Port3
   5
   6 Some special handling of GPIO Port 3 is needed because of
   7 some hardware thingofabob.
   8
   9 Signed-off-by: John Crispin <blogic@openwrt.org>
  10 Signed-off-by: Martin Schiller <mschiller@tdt.de>
  11 Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
  12 ---
  13  drivers/pinctrl/pinctrl-xway.c | 4 ++++
  14  1 file changed, 4 insertions(+)
  15
  16 --- a/drivers/pinctrl/pinctrl-xway.c
  17 +++ b/drivers/pinctrl/pinctrl-xway.c
  18 @@ -1570,6 +1570,10 @@ static int xway_gpio_dir_out(struct gpio
  19  {
  20         struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
  21
  22 +       if (PORT(pin) == PORT3)
  23 +               gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
  24 +       else
  25 +               gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
  26         gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
  27         xway_gpio_set(chip, pin, val);
  28