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Date: Wed, 26 Sep 2018 14:22:21 -0400
From: Yuiko Oshino <yuiko.oshino@...rochip.com>
To: <andrew@...n.ch>, <davem@...emloft.net>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <UNGLinuxDriver@...rochip.com>
Subject: [PATCH net] net: phy: micrel: add Microchip KSZ9131 inital driver
Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet phy
Signed-off-by: Yuiko Oshino <yuiko.oshino@...rochip.com>
---
drivers/net/phy/micrel.c | 32 +++++++++++++++++++++++++++++---
include/linux/micrel_phy.h | 1 +
2 files changed, 30 insertions(+), 3 deletions(-)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 3db06b4..a4473cb 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -14,7 +14,7 @@
* option) any later version.
*
* Support : Micrel Phys:
- * Giga phys: ksz9021, ksz9031
+ * Giga phys: ksz9021, ksz9031, ksz9131
* 100/10 Phys : ksz8001, ksz8721, ksz8737, ksz8041
* ksz8021, ksz8031, ksz8051,
* ksz8081, ksz8091,
@@ -425,6 +425,7 @@ static int ksz9021_config_init(struct phy_device *phydev)
#define MII_KSZ9031RN_MMD_REGDATA_REG 0x0e
#define OP_DATA 1
#define KSZ9031_PS_TO_REG 60
+#define KSZ9131_PS_TO_REG 100
/* Extended registers */
/* MMD Address 0x0 */
@@ -470,6 +471,10 @@ static int ksz9031_of_load_skew_values(struct phy_device *phydev,
u16 maxval;
u16 newval;
int i;
+ int pstoreg = KSZ9031_PS_TO_REG;
+
+ if (phydev->drv->phy_id == PHY_ID_KSZ9131)
+ pstoreg = KSZ9131_PS_TO_REG;
for (i = 0; i < numfields; i++)
if (!of_property_read_u32(of_node, field[i], val + i))
@@ -489,7 +494,7 @@ static int ksz9031_of_load_skew_values(struct phy_device *phydev,
mask = 0xffff;
mask ^= maxval << (field_sz * i);
newval = (newval & mask) |
- (((val[i] / KSZ9031_PS_TO_REG) & maxval)
+ (((val[i] / pstoreg) & maxval)
<< (field_sz * i));
}
@@ -602,7 +607,10 @@ static int ksz9031_config_init(struct phy_device *phydev)
}
}
- return ksz9031_center_flp_timing(phydev);
+ if (phydev->drv->phy_id == PHY_ID_KSZ9031)
+ return ksz9031_center_flp_timing(phydev);
+ else
+ return 0;
err_force_master:
phydev_err(phydev, "failed to force the phy to master mode\n");
@@ -975,6 +983,23 @@ static struct phy_driver ksphy_driver[] = {
.suspend = genphy_suspend,
.resume = kszphy_resume,
}, {
+ .phy_id = PHY_ID_KSZ9131,
+ .phy_id_mask = MICREL_PHY_ID_MASK,
+ .name = "Microchip KSZ9131 Gigabit PHY",
+ .features = PHY_GBIT_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .driver_data = &ksz9021_type,
+ .probe = kszphy_probe,
+ .config_init = ksz9031_config_init,
+ .read_status = ksz9031_read_status,
+ .ack_interrupt = kszphy_ack_interrupt,
+ .config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
+ .suspend = genphy_suspend,
+ .resume = kszphy_resume,
+}, {
.phy_id = PHY_ID_KSZ8873MLL,
.phy_id_mask = MICREL_PHY_ID_MASK,
.name = "Micrel KSZ8873MLL Switch",
@@ -1022,6 +1047,7 @@ MODULE_LICENSE("GPL");
static struct mdio_device_id __maybe_unused micrel_tbl[] = {
{ PHY_ID_KSZ9021, 0x000ffffe },
{ PHY_ID_KSZ9031, MICREL_PHY_ID_MASK },
+ { PHY_ID_KSZ9131, MICREL_PHY_ID_MASK },
{ PHY_ID_KSZ8001, 0x00fffffc },
{ PHY_ID_KS8737, MICREL_PHY_ID_MASK },
{ PHY_ID_KSZ8021, 0x00ffffff },
diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h
index 472fa4d..7361cd3 100644
--- a/include/linux/micrel_phy.h
+++ b/include/linux/micrel_phy.h
@@ -31,6 +31,7 @@
#define PHY_ID_KSZ8081 0x00221560
#define PHY_ID_KSZ8061 0x00221570
#define PHY_ID_KSZ9031 0x00221620
+#define PHY_ID_KSZ9131 0x00221640
#define PHY_ID_KSZ886X 0x00221430
#define PHY_ID_KSZ8863 0x00221435
--
2.7.4
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