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https://github.com/openwrt/openwrt.git
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80 lines
2.3 KiB
Diff
80 lines
2.3 KiB
Diff
From 25494c55a4007a1409f53ddbafd661636e47ea34 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Fri, 9 Aug 2013 20:38:15 +0200
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Subject: [PATCH 12/36] pinctrl/lantiq: fix up pinmux
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We found out how to set the gphy led pinmuxing.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/pinctrl/pinctrl-xway.c | 28 ++++++++++++++++++++++++++--
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1 file changed, 26 insertions(+), 2 deletions(-)
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--- a/drivers/pinctrl/pinctrl-xway.c
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+++ b/drivers/pinctrl/pinctrl-xway.c
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@@ -609,10 +609,9 @@ static struct pinctrl_desc xway_pctrl_de
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.confops = &xway_pinconf_ops,
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};
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-static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
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+static int mux_apply(struct ltq_pinmux_info *info,
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int pin, int mux)
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{
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- struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
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int port = PORT(pin);
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u32 alt1_reg = GPIO_ALT1(pin);
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@@ -632,6 +631,14 @@ static inline int xway_mux_apply(struct
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return 0;
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}
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+static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
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+ int pin, int mux)
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+{
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+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
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+
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+ return mux_apply(info, pin, mux);
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+}
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+
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static const struct ltq_cfg_param xway_cfg_params[] = {
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{"lantiq,pull", LTQ_PINCONF_PARAM_PULL},
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{"lantiq,open-drain", LTQ_PINCONF_PARAM_OPEN_DRAIN},
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@@ -676,6 +683,10 @@ static int xway_gpio_dir_out(struct gpio
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{
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struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
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+ if (PORT(pin) == PORT3)
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+ gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
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+ else
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+ gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
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gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
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xway_gpio_set(chip, pin, val);
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@@ -696,6 +707,18 @@ static void xway_gpio_free(struct gpio_c
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pinctrl_free_gpio(gpio);
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}
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+static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
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+{
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+ struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
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+ int i;
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+
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+ for (i = 0; i < info->num_exin; i++)
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+ if (info->exin[i] == offset)
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+ return ltq_eiu_get_irq(i);
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+
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+ return -1;
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+}
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+
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static struct gpio_chip xway_chip = {
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.label = "gpio-xway",
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.direction_input = xway_gpio_dir_in,
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@@ -704,6 +727,7 @@ static struct gpio_chip xway_chip = {
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.set = xway_gpio_set,
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.request = xway_gpio_req,
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.free = xway_gpio_free,
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+ .to_irq = xway_gpio_to_irq,
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.base = -1,
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};
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