lantiq: Add support for linux 4.4

[openwrt.git] / target / linux / lantiq / patches-4.4 / 0012-pinctrl-lantiq-fix-up-pinmux.patch

diff --git a/target/linux/lantiq/patches-4.4/0012-pinctrl-lantiq-fix-up-pinmux.patch b/target/linux/lantiq/patches-4.4/0012-pinctrl-lantiq-fix-up-pinmux.patch
new file mode 100644 (file)
index 0000000..e03fe08
--- /dev/null
+++ b/target/linux/lantiq/patches-4.4/0012-pinctrl-lantiq-fix-up-pinmux.patch
@@ -0,0 +1,68 @@
+From 25494c55a4007a1409f53ddbafd661636e47ea34 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Fri, 9 Aug 2013 20:38:15 +0200
+Subject: [PATCH 12/36] pinctrl/lantiq: fix up pinmux
+
+We found out how to set the gphy led pinmuxing.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/pinctrl/pinctrl-xway.c |   28 ++++++++++++++++++++++++++--
+ 1 file changed, 26 insertions(+), 2 deletions(-)
+
+--- a/drivers/pinctrl/pinctrl-xway.c
++++ b/drivers/pinctrl/pinctrl-xway.c
+@@ -609,10 +609,9 @@ static struct pinctrl_desc xway_pctrl_de
+       .confops        = &xway_pinconf_ops,
+ };
+ 
+-static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
++static int mux_apply(struct ltq_pinmux_info *info,
+                               int pin, int mux)
+ {
+-      struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
+       int port = PORT(pin);
+       u32 alt1_reg = GPIO_ALT1(pin);
+ 
+@@ -632,6 +631,14 @@ static inline int xway_mux_apply(struct
+       return 0;
+ }
+ 
++static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
++                              int pin, int mux)
++{
++      struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
++
++      return mux_apply(info, pin, mux);
++}
++
+ static const struct ltq_cfg_param xway_cfg_params[] = {
+       {"lantiq,pull",         LTQ_PINCONF_PARAM_PULL},
+       {"lantiq,open-drain",   LTQ_PINCONF_PARAM_OPEN_DRAIN},
+@@ -682,6 +689,18 @@ static int xway_gpio_dir_out(struct gpio
+       return 0;
+ }
+ 
++static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
++{
++      struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
++      int i;
++
++      for (i = 0; i < info->num_exin; i++)
++              if (info->exin[i] == offset)
++                      return ltq_eiu_get_irq(i);
++
++      return -1;
++}
++
+ static struct gpio_chip xway_chip = {
+       .label = "gpio-xway",
+       .direction_input = xway_gpio_dir_in,
+@@ -690,6 +709,7 @@ static struct gpio_chip xway_chip = {
+       .set = xway_gpio_set,
+       .request = gpiochip_generic_request,
+       .free = gpiochip_generic_free,
++      .to_irq = xway_gpio_to_irq,
+       .base = -1,
+ };
+