From 0d32469457cda703b8e0487c4ef0de6a36e86626 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Thu, 11 Apr 2013 07:12:37 +0000
Subject: [PATCH] add missing pinmux patch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fix lantiq pinmux which affected PCI and USB.
Known affected boards are: ARV4518 and ARV7518.
Signed-off-by: Ãlvaro Fernández Rojas <noltari@gmail.com>
SVN-Revision: 36312
---
.../0042-PINCTRL-lantiq-fix-pinmux.patch | 67 +++++++++++++++++++
1 file changed, 67 insertions(+)
create mode 100644 target/linux/lantiq/patches-3.8/0042-PINCTRL-lantiq-fix-pinmux.patch
diff --git a/target/linux/lantiq/patches-3.8/0042-PINCTRL-lantiq-fix-pinmux.patch b/target/linux/lantiq/patches-3.8/0042-PINCTRL-lantiq-fix-pinmux.patch
new file mode 100644
index 0000000000..d84df7e7de
--- /dev/null
+++ b/target/linux/lantiq/patches-3.8/0042-PINCTRL-lantiq-fix-pinmux.patch
@@ -0,0 +1,67 @@
+--- a/drivers/pinctrl/pinctrl-xway.c 2013-04-10 21:51:51.739780800 +0200
++++ b/drivers/pinctrl/pinctrl-xway.c 2013-04-10 21:56:47.990049456 +0200
+@@ -563,10 +563,9 @@ 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);
+
+@@ -586,6 +585,14 @@ 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},
+@@ -630,6 +637,10 @@ 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);
+
+@@ -650,6 +661,18 @@ static void xway_gpio_free(struct gpio_c
+ pinctrl_free_gpio(gpio);
+ }
+
++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,
+@@ -658,6 +681,7 @@ static struct gpio_chip xway_chip = {
+ .set = xway_gpio_set,
+ .request = xway_gpio_req,
+ .free = xway_gpio_free,
++ .to_irq = xway_gpio_to_irq,
+ .base = -1,
+ };
+
--
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