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-rw-r--r--drivers/net/phy/Kconfig2
-rw-r--r--drivers/net/phy/motorcomm.c52
2 files changed, 48 insertions, 6 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 040c8bf6d05b..af00cf44cd97 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -260,7 +260,7 @@ config MOTORCOMM_PHY
tristate "Motorcomm PHYs"
help
Enables support for Motorcomm network PHYs.
- Currently supports the YT8511, YT8521 Gigabit Ethernet PHYs.
+ Currently supports the YT8511, YT8521, YT8531S Gigabit Ethernet PHYs.
config NATIONAL_PHY
tristate "National Semiconductor PHYs"
diff --git a/drivers/net/phy/motorcomm.c b/drivers/net/phy/motorcomm.c
index bd1ab5d0631f..685190db72de 100644
--- a/drivers/net/phy/motorcomm.c
+++ b/drivers/net/phy/motorcomm.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * Motorcomm 8511/8521 PHY driver.
+ * Motorcomm 8511/8521/8531S PHY driver.
*
* Author: Peter Geis <pgwipeout@gmail.com>
* Author: Frank <Frank.Sae@motor-comm.com>
@@ -12,9 +12,10 @@
#include <linux/phy.h>
#define PHY_ID_YT8511 0x0000010a
-#define PHY_ID_YT8521 0x0000011A
+#define PHY_ID_YT8521 0x0000011A
+#define PHY_ID_YT8531S 0x4F51E91A
-/* YT8521 Register Overview
+/* YT8521/YT8531S Register Overview
* UTP Register space | FIBER Register space
* ------------------------------------------------------------
* | UTP MII | FIBER MII |
@@ -147,7 +148,7 @@
#define YT8521_LINK_TIMER_CFG2_REG 0xA5
#define YT8521_LTCR_EN_AUTOSEN BIT(15)
-/* 0xA000, 0xA001, 0xA003 ,and 0xA006 ~ 0xA00A are common ext registers
+/* 0xA000, 0xA001, 0xA003, 0xA006 ~ 0xA00A and 0xA012 are common ext registers
* of yt8521 phy. There is no need to switch reg space when operating these
* registers.
*/
@@ -221,6 +222,9 @@
*/
#define YTPHY_WCR_TYPE_PULSE BIT(0)
+#define YT8531S_SYNCE_CFG_REG 0xA012
+#define YT8531S_SCR_SYNCE_ENABLE BIT(6)
+
/* Extended Register end */
struct yt8521_priv {
@@ -648,6 +652,26 @@ static int yt8521_probe(struct phy_device *phydev)
}
/**
+ * yt8531s_probe() - read chip config then set suitable polling_mode
+ * @phydev: a pointer to a &struct phy_device
+ *
+ * returns 0 or negative errno code
+ */
+static int yt8531s_probe(struct phy_device *phydev)
+{
+ int ret;
+
+ /* Disable SyncE clock output by default */
+ ret = ytphy_modify_ext_with_lock(phydev, YT8531S_SYNCE_CFG_REG,
+ YT8531S_SCR_SYNCE_ENABLE, 0);
+ if (ret < 0)
+ return ret;
+
+ /* same as yt8521_probe */
+ return yt8521_probe(phydev);
+}
+
+/**
* ytphy_utp_read_lpa() - read LPA then setup lp_advertising for utp
* @phydev: a pointer to a &struct phy_device
*
@@ -1750,11 +1774,28 @@ static struct phy_driver motorcomm_phy_drvs[] = {
.suspend = yt8521_suspend,
.resume = yt8521_resume,
},
+ {
+ PHY_ID_MATCH_EXACT(PHY_ID_YT8531S),
+ .name = "YT8531S Gigabit Ethernet",
+ .get_features = yt8521_get_features,
+ .probe = yt8531s_probe,
+ .read_page = yt8521_read_page,
+ .write_page = yt8521_write_page,
+ .get_wol = ytphy_get_wol,
+ .set_wol = ytphy_set_wol,
+ .config_aneg = yt8521_config_aneg,
+ .aneg_done = yt8521_aneg_done,
+ .config_init = yt8521_config_init,
+ .read_status = yt8521_read_status,
+ .soft_reset = yt8521_soft_reset,
+ .suspend = yt8521_suspend,
+ .resume = yt8521_resume,
+ },
};
module_phy_driver(motorcomm_phy_drvs);
-MODULE_DESCRIPTION("Motorcomm 8511/8521 PHY driver");
+MODULE_DESCRIPTION("Motorcomm 8511/8521/8531S PHY driver");
MODULE_AUTHOR("Peter Geis");
MODULE_AUTHOR("Frank");
MODULE_LICENSE("GPL");
@@ -1762,6 +1803,7 @@ MODULE_LICENSE("GPL");
static const struct mdio_device_id __maybe_unused motorcomm_tbl[] = {
{ PHY_ID_MATCH_EXACT(PHY_ID_YT8511) },
{ PHY_ID_MATCH_EXACT(PHY_ID_YT8521) },
+ { PHY_ID_MATCH_EXACT(PHY_ID_YT8531S) },
{ /* sentinal */ }
};