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add missing pinmux patch

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Fix lantiq pinmux which affected PCI and USB.

Known affected boards are: ARV4518 and ARV7518.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 36312
This commit is contained in:
John Crispin 2013-04-11 07:12:37 +00:00
parent 87395ec919
commit 0d32469457
1 changed files with 67 additions and 0 deletions
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67
target/linux/lantiq/patches-3.8/0042-PINCTRL-lantiq-fix-pinmux.patch Normal file
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@ -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,
};