On 04.12.18 17:39, Aditya Prayoga wrote:
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 <adi...@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);
}
Reviewed-by: Stefan Roese <s...@denx.de>
Thanks,
Stefan
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