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Subject[PATCH net-next 3/3] net: phy: realtek: add RTL8201F phy-id and functions
Date
From: Jassi Brar <jaswinder.singh@linaro.org>

Add RTL8201F phy-id and the related functions to the driver.

The original patch is as follows:
https://patchwork.kernel.org/patch/2538341/

Signed-off-by: Jongsung Kim <neidhard.kim@lge.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
---
drivers/net/phy/realtek.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)

diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index 9cbe645..d9974ce 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -29,10 +29,23 @@
#define RTL8211F_PAGE_SELECT 0x1f
#define RTL8211F_TX_DELAY 0x100

+#define RTL8201F_ISR 0x1e
+#define RTL8201F_PAGE_SELECT 0x1f
+#define RTL8201F_IER 0x13
+
MODULE_DESCRIPTION("Realtek PHY driver");
MODULE_AUTHOR("Johnson Leung");
MODULE_LICENSE("GPL");

+static int rtl8201_ack_interrupt(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_read(phydev, RTL8201F_ISR);
+
+ return (err < 0) ? err : 0;
+}
+
static int rtl821x_ack_interrupt(struct phy_device *phydev)
{
int err;
@@ -54,6 +67,25 @@ static int rtl8211f_ack_interrupt(struct phy_device *phydev)
return (err < 0) ? err : 0;
}

+static int rtl8201_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ /* switch to page 7 */
+ phy_write(phydev, RTL8201F_PAGE_SELECT, 0x7);
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ err = phy_write(phydev, RTL8201F_IER,
+ BIT(13) | BIT(12) | BIT(11));
+ else
+ err = phy_write(phydev, RTL8201F_IER, 0);
+
+ /* restore to default page 0 */
+ phy_write(phydev, RTL8201F_PAGE_SELECT, 0x0);
+
+ return err;
+}
+
static int rtl8211b_config_intr(struct phy_device *phydev)
{
int err;
@@ -129,6 +161,18 @@ static struct phy_driver realtek_drvs[] = {
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
}, {
+ .phy_id = 0x001cc816,
+ .name = "RTL8201F 10/100Mbps Ethernet",
+ .phy_id_mask = 0x001fffff,
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_aneg = &genphy_config_aneg,
+ .read_status = &genphy_read_status,
+ .ack_interrupt = &rtl8201_ack_interrupt,
+ .config_intr = &rtl8201_config_intr,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ }, {
.phy_id = 0x001cc912,
.name = "RTL8211B Gigabit Ethernet",
.phy_id_mask = 0x001fffff,
@@ -181,6 +225,7 @@ static struct phy_driver realtek_drvs[] = {
module_phy_driver(realtek_drvs);

static struct mdio_device_id __maybe_unused realtek_tbl[] = {
+ { 0x001cc816, 0x001fffff },
{ 0x001cc912, 0x001fffff },
{ 0x001cc914, 0x001fffff },
{ 0x001cc915, 0x001fffff },
--
2.7.4
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