mirror of
https://github.com/Fishwaldo/build.git
synced 2025-03-26 16:51:48 +00:00
91 lines
2.3 KiB
Diff
91 lines
2.3 KiB
Diff
diff --git a/drivers/net/ethernet/allwinner/sunxi-gmac.c b/drivers/net/ethernet/allwinner/sunxi-gmac.c
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index e0cef7b..4aaff55
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--- a/drivers/net/ethernet/allwinner/sunxi-gmac.c
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+++ b/drivers/net/ethernet/allwinner/sunxi-gmac.c
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@@ -30,11 +30,13 @@
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#include <linux/regulator/consumer.h>
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#include <linux/of_net.h>
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#include <linux/io.h>
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-
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+#include <linux/of.h>
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+#include <linux/of_gpio.h>
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#include <asm/io.h>
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#include "sunxi-gmac.h"
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+#define PHY_POWER_ON 1
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#ifndef GMAC_CLK
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#define GMAC_CLK "gmac"
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#endif
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@@ -158,6 +160,9 @@ struct geth_priv {
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spinlock_t lock;
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spinlock_t tx_lock;
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+#ifdef PHY_POWER_ON
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+ unsigned int power_on_gpio;
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+#endif
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};
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#ifdef CONFIG_GETH_PHY_POWER
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@@ -722,6 +727,38 @@ static const struct dev_pm_ops geth_pm_ops;
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*
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*
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****************************************************************************/
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+#ifdef PHY_POWER_ON
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+void gmac_phy_power_on(struct geth_priv *priv)
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+{
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+ if (!priv)
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+ return;
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+
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+ if (gpio_is_valid(priv->power_on_gpio)) {
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+ printk("GPIO %d valid\n", priv->power_on_gpio);
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+ gpio_request(priv->power_on_gpio, NULL);
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+ gpio_direction_output(priv->power_on_gpio, 1);
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+ __gpio_set_value(priv->power_on_gpio, 1);
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+ mdelay(200);
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+ } else {
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+ printk("Request GPIO %d\n", priv->power_on_gpio);
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+ __gpio_set_value(priv->power_on_gpio, 1);
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+ mdelay(200);
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+ }
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+ printk("Current_V is : %d\n", __gpio_get_value(priv->power_on_gpio));
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+}
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+
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+void gmac_phy_power_disable(struct geth_priv *priv)
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+{
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+ if (!priv)
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+ return;
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+
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+ if (priv->power_on_gpio) {
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+ __gpio_set_value(priv->power_on_gpio, 0);
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+ }
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+ printk("Current_V is : %d\n", __gpio_get_value(priv->power_on_gpio));
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+ return;
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+}
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+#endif
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static void geth_check_addr(struct net_device *ndev, unsigned char *mac)
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{
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int i;
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@@ -859,6 +896,10 @@ static int geth_open(struct net_device *ndev)
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struct geth_priv *priv = netdev_priv(ndev);
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int ret = 0;
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+#ifdef PHY_POWER_ON
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+ gmac_phy_power_on(priv);
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+#endif
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+
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ret = geth_power_on(priv);
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if (ret) {
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netdev_err(ndev, "Power on is failed\n");
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@@ -1545,6 +1586,11 @@ static int geth_script_parse(struct platform_device *pdev)
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if (priv->phy_ext == INT_PHY)
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priv->phy_interface = PHY_INTERFACE_MODE_MII;
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+
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+#ifdef PHY_POWER_ON
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+ priv->power_on_gpio = of_get_named_gpio(np, "phy_power_on", 0);
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+#endif
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+
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#endif
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if(!of_property_read_u32(np, "tx-delay", &value))
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tx_delay = value;
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