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gpio: at91_gpio: add the clock support

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Add the clock support.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
This commit is contained in:
Wenyou Yang 2017-03-23 12:46:21 +08:00 committed by Simon Glass
parent cf468880c3
commit f2f3c1576a
1 changed files with 13 additions and 0 deletions
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13
drivers/gpio/at91_gpio.c
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@ -10,6 +10,7 @@
#include <config.h>
#include <common.h>
#include <clk.h>
#include <dm.h>
#include <asm/io.h>
#include <linux/sizes.h>
@ -569,6 +570,18 @@ static int at91_gpio_probe(struct udevice *dev)
struct at91_port_priv *port = dev_get_priv(dev);
struct at91_port_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct clk clk;
int ret;
ret = clk_get_by_index(dev, 0, &clk);
if (ret)
return ret;
ret = clk_enable(&clk);
if (ret)
return ret;
clk_free(&clk);
uc_priv->bank_name = plat->bank_name;
uc_priv->gpio_count = GPIO_PER_BANK;