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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},
@@ -676,6 +683,10 @@ 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);
@@ -696,6 +707,18 @@ 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,
@@ -704,6 +727,7 @@ 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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