Add the clock support.
Signed-off-by: Wenyou Yang <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Andreas Bießmann <[email protected]>
---
Changes in v4:
- Rebase on v2017.03.
Changes in v3:
- Rebase on the master branch on git://git.denx.de/u-boot-atmel.git
commit: 0ff27d4a94637d4b1937c625d33212375bd118d9
- Add Reviewed-by tag.
Changes in v2:
- Add Reviewed-by tag.
drivers/gpio/at91_gpio.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c
index 23b2dc3b9b..bd5c8c4d69 100644
--- a/drivers/gpio/at91_gpio.c
+++ b/drivers/gpio/at91_gpio.c
@@ -10,6 +10,7 @@
#include <config.h>
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include <asm/io.h>
#include <linux/sizes.h>
@@ -517,6 +518,18 @@ 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;
--
2.11.0
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