Tested-By: Dennis Gilmore dgilmore@redhat.com

El mié, 05-12-2018 a las 00:39 +0800, Aditya Prayoga escribió:

This patch add GPIO configuration support in mvneta driver. Driver will handle PHY reset. GPIO pins should be set in device tree.

Ported from mvpp2x [https://patchwork.ozlabs.org/patch/799654/]

Initial discussion to port the changes into mvneta [https://patchwork.ozlabs.org/patch/1005765/]

Signed-off-by: Aditya Prayoga aditya@kobol.io

drivers/net/mvneta.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)

diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index 8cb04b5..333be8f 100644 --- a/drivers/net/mvneta.c +++ b/drivers/net/mvneta.c @@ -27,6 +27,7 @@ #include <asm/arch/soc.h> #include <linux/compat.h> #include <linux/mbus.h> +#include <asm-generic/gpio.h>

DECLARE_GLOBAL_DATA_PTR;

@@ -274,6 +275,9 @@ struct mvneta_port { int init; int phyaddr; struct phy_device *phydev; +#ifdef CONFIG_DM_GPIO

• struct gpio_desc phy_reset_gpio;

+#endif struct mii_dev *bus; };

@@ -1749,6 +1753,17 @@ static int mvneta_probe(struct udevice *dev) if (ret) return ret;

+#ifdef CONFIG_DM_GPIO

• gpio_request_by_name(dev, "phy-reset-gpios", 0,

• 	     &pp->phy_reset_gpio, GPIOD_IS_OUT);
  

• if (dm_gpio_is_valid(&pp->phy_reset_gpio)) {

• dm_gpio_set_value(&pp->phy_reset_gpio, 1);
  

• mdelay(10);
  

• dm_gpio_set_value(&pp->phy_reset_gpio, 0);
  

• }

+#endif

• return board_network_enable(bus);

}