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 ---
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;