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gpio: wm831x: Add basic device tree support

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Now the wm831x-core has basic DT support we can update this driver to
allow use of the GPIOs within a device tree system.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Charles Keepax 2017-03-17 10:05:19 +00:00 committed by Lee Jones
parent f6dd8449cd
commit 9674a8dc5b
1 changed files with 4 additions and 1 deletions
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5
drivers/gpio/gpio-wm831x.c
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@ -263,7 +263,7 @@ static const struct gpio_chip template_chip = {
static int wm831x_gpio_probe(struct platform_device *pdev) static int wm831x_gpio_probe(struct platform_device *pdev)
{ {
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct wm831x_pdata *pdata = &wm831x->pdata;
struct wm831x_gpio *wm831x_gpio; struct wm831x_gpio *wm831x_gpio;
int ret; int ret;
@ -280,6 +280,9 @@ static int wm831x_gpio_probe(struct platform_device *pdev)
wm831x_gpio->gpio_chip.base = pdata->gpio_base; wm831x_gpio->gpio_chip.base = pdata->gpio_base;
else else
wm831x_gpio->gpio_chip.base = -1; wm831x_gpio->gpio_chip.base = -1;
#ifdef CONFIG_OF_GPIO
wm831x_gpio->gpio_chip.of_node = wm831x->dev->of_node;
#endif
ret = devm_gpiochip_add_data(&pdev->dev, &wm831x_gpio->gpio_chip, ret = devm_gpiochip_add_data(&pdev->dev, &wm831x_gpio->gpio_chip,
wm831x_gpio); wm831x_gpio);