From: Josep Orga <jorga@somdevices.com>
Date: Sat, 18 Apr 2020 08:17:33 +0000 (+0200)
Subject: net: ethernet: fec_main: Enable reset PHY GPIOs at startup.
X-Git-Tag: rel_imx_4.19.35_1.1.0-somdevices.0~34
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=3ed2f8fb86f85bbdb28587b34c8006999208478d;p=linux.git

net: ethernet: fec_main: Enable reset PHY GPIOs at startup.

Signed-off-by: Josep Orga <jorga@somdevices.com>
---

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 50c44cba7687..c2c23df4ff08 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3500,6 +3500,23 @@ static int fec_enet_init(struct net_device *ndev)
 }
 
 #ifdef CONFIG_OF
+#define GPIO_PHY_1 138
+#define GPIO_PHY_2 139
+static void fec_reset_phy_init(void)
+{
+	int ret = 0;
+	ret = gpio_request(GPIO_PHY_1, "RESET_PHY_1");
+	if (!ret) {
+		gpio_direction_output(GPIO_PHY_1, 1);
+		gpio_free(GPIO_PHY_1);
+	}
+	ret = gpio_request(GPIO_PHY_2, "RESET_PHY_2");
+	if (!ret) {
+		ret = gpio_direction_output(GPIO_PHY_2, 1);
+		gpio_free(GPIO_PHY_2);
+	}
+}
+
 static int fec_reset_phy(struct platform_device *pdev)
 {
 	int err, phy_reset;
@@ -3660,6 +3677,7 @@ fec_probe(struct platform_device *pdev)
 	char irq_name[8];
 	int irq_cnt;
 
+	fec_reset_phy_init();
 	fec_enet_get_queue_num(pdev, &num_tx_qs, &num_rx_qs);
 
 	/* Init network device */