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path: root/drivers/net/phy/adin.c
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Diffstat (limited to 'drivers/net/phy/adin.c')
-rw-r--r--drivers/net/phy/adin.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/net/phy/adin.c b/drivers/net/phy/adin.c
index 5ce6da62cc8e..134637584a83 100644
--- a/drivers/net/phy/adin.c
+++ b/drivers/net/phy/adin.c
@@ -99,6 +99,15 @@
#define ADIN1300_GE_SOFT_RESET_REG 0xff0c
#define ADIN1300_GE_SOFT_RESET BIT(0)
+#define ADIN1300_GE_CLK_CFG_REG 0xff1f
+#define ADIN1300_GE_CLK_CFG_MASK GENMASK(5, 0)
+#define ADIN1300_GE_CLK_CFG_RCVR_125 BIT(5)
+#define ADIN1300_GE_CLK_CFG_FREE_125 BIT(4)
+#define ADIN1300_GE_CLK_CFG_REF_EN BIT(3)
+#define ADIN1300_GE_CLK_CFG_HRT_RCVR BIT(2)
+#define ADIN1300_GE_CLK_CFG_HRT_FREE BIT(1)
+#define ADIN1300_GE_CLK_CFG_25 BIT(0)
+
#define ADIN1300_GE_RGMII_CFG_REG 0xff23
#define ADIN1300_GE_RGMII_RX_MSK GENMASK(8, 6)
#define ADIN1300_GE_RGMII_RX_SEL(x) \
@@ -433,6 +442,33 @@ static int adin_set_tunable(struct phy_device *phydev,
}
}
+static int adin_config_clk_out(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ const char *val = NULL;
+ u8 sel = 0;
+
+ device_property_read_string(dev, "adi,phy-output-clock", &val);
+ if (!val) {
+ /* property not present, do not enable GP_CLK pin */
+ } else if (strcmp(val, "25mhz-reference") == 0) {
+ sel |= ADIN1300_GE_CLK_CFG_25;
+ } else if (strcmp(val, "125mhz-free-running") == 0) {
+ sel |= ADIN1300_GE_CLK_CFG_FREE_125;
+ } else if (strcmp(val, "adaptive-free-running") == 0) {
+ sel |= ADIN1300_GE_CLK_CFG_HRT_FREE;
+ } else {
+ phydev_err(phydev, "invalid adi,phy-output-clock\n");
+ return -EINVAL;
+ }
+
+ if (device_property_read_bool(dev, "adi,phy-output-reference-clock"))
+ sel |= ADIN1300_GE_CLK_CFG_REF_EN;
+
+ return phy_modify_mmd(phydev, MDIO_MMD_VEND1, ADIN1300_GE_CLK_CFG_REG,
+ ADIN1300_GE_CLK_CFG_MASK, sel);
+}
+
static int adin_config_init(struct phy_device *phydev)
{
int rc;
@@ -455,6 +491,10 @@ static int adin_config_init(struct phy_device *phydev)
if (rc < 0)
return rc;
+ rc = adin_config_clk_out(phydev);
+ if (rc < 0)
+ return rc;
+
phydev_dbg(phydev, "PHY is using mode '%s'\n",
phy_modes(phydev->interface));
@@ -709,7 +749,7 @@ static void adin_get_strings(struct phy_device *phydev, u8 *data)
int i;
for (i = 0; i < ARRAY_SIZE(adin_hw_stats); i++) {
- strlcpy(&data[i * ETH_GSTRING_LEN],
+ strscpy(&data[i * ETH_GSTRING_LEN],
adin_hw_stats[i].string, ETH_GSTRING_LEN);
}
}