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path: root/target/linux/lantiq/patches-4.4/0045-pinctrl-lantiq-Fix-GPIO-Setup-of-GPIO-Port3.patch
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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);