* [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X
@ 2022-10-26 5:59 Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 1/2] net: phy: mxl-gpy: Change gpy_update_interface() function return type Raju Lakkaraju
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Raju Lakkaraju @ 2022-10-26 5:59 UTC (permalink / raw)
To: netdev
Cc: davem, kuba, linux-kernel, lxu, hkallweit1, pabeni, edumazet,
linux, UNGLinuxDriver, andrew, Ian.Saturley
This patch series add the MDI-X feature to GPY211 PHYs and
Also Change return type to gpy_update_interface() function
Raju Lakkaraju (2):
net: phy: mxl-gpy: Change gpy_update_interface() function return type
net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips
drivers/net/phy/mxl-gpy.c | 98 +++++++++++++++++++++++++++++++++++----
1 file changed, 90 insertions(+), 8 deletions(-)
--
2.25.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH net-next V1 1/2] net: phy: mxl-gpy: Change gpy_update_interface() function return type
2022-10-26 5:59 [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X Raju Lakkaraju
@ 2022-10-26 5:59 ` Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 2/2] net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips Raju Lakkaraju
2022-10-28 10:20 ` [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: Raju Lakkaraju @ 2022-10-26 5:59 UTC (permalink / raw)
To: netdev
Cc: davem, kuba, linux-kernel, lxu, hkallweit1, pabeni, edumazet,
linux, UNGLinuxDriver, andrew, Ian.Saturley
gpy_update_interface() is called from gpy_read_status() which does
return error codes. gpy_read_status() would benefit from returning
-EINVAL, etc.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
---
drivers/net/phy/mxl-gpy.c | 28 ++++++++++++++++++++--------
1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c
index 24bae27eedef..1383af3c2677 100644
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -370,14 +370,14 @@ static int gpy_config_aneg(struct phy_device *phydev)
VSPEC1_SGMII_CTRL_ANRS, VSPEC1_SGMII_CTRL_ANRS);
}
-static void gpy_update_interface(struct phy_device *phydev)
+static int gpy_update_interface(struct phy_device *phydev)
{
int ret;
/* Interface mode is fixed for USXGMII and integrated PHY */
if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||
phydev->interface == PHY_INTERFACE_MODE_INTERNAL)
- return;
+ return -EINVAL;
/* Automatically switch SERDES interface between SGMII and 2500-BaseX
* according to speed. Disable ANEG in 2500-BaseX mode.
@@ -387,10 +387,12 @@ static void gpy_update_interface(struct phy_device *phydev)
phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
VSPEC1_SGMII_CTRL_ANEN, 0);
- if (ret < 0)
+ if (ret < 0) {
phydev_err(phydev,
"Error: Disable of SGMII ANEG failed: %d\n",
ret);
+ return ret;
+ }
break;
case SPEED_1000:
case SPEED_100:
@@ -404,15 +406,22 @@ static void gpy_update_interface(struct phy_device *phydev)
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
VSPEC1_SGMII_ANEN_ANRS,
VSPEC1_SGMII_ANEN_ANRS);
- if (ret < 0)
+ if (ret < 0) {
phydev_err(phydev,
"Error: Enable of SGMII ANEG failed: %d\n",
ret);
+ return ret;
+ }
break;
}
- if (phydev->speed == SPEED_2500 || phydev->speed == SPEED_1000)
- genphy_read_master_slave(phydev);
+ if (phydev->speed == SPEED_2500 || phydev->speed == SPEED_1000) {
+ ret = genphy_read_master_slave(phydev);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
}
static int gpy_read_status(struct phy_device *phydev)
@@ -463,8 +472,11 @@ static int gpy_read_status(struct phy_device *phydev)
break;
}
- if (phydev->link)
- gpy_update_interface(phydev);
+ if (phydev->link) {
+ ret = gpy_update_interface(phydev);
+ if (ret < 0)
+ return ret;
+ }
return 0;
}
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH net-next V1 2/2] net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips
2022-10-26 5:59 [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 1/2] net: phy: mxl-gpy: Change gpy_update_interface() function return type Raju Lakkaraju
@ 2022-10-26 5:59 ` Raju Lakkaraju
2022-10-28 10:20 ` [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: Raju Lakkaraju @ 2022-10-26 5:59 UTC (permalink / raw)
To: netdev
Cc: davem, kuba, linux-kernel, lxu, hkallweit1, pabeni, edumazet,
linux, UNGLinuxDriver, andrew, Ian.Saturley
Add support for MDI-X status and configuration for GPY211 chips
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
---
Change List:
============
V0 -> V1:
- Remove the error prints in driver functions
- Change the gpy_update_interface() return type
drivers/net/phy/mxl-gpy.c | 72 ++++++++++++++++++++++++++++++++++++++-
1 file changed, 71 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c
index 1383af3c2677..27c0f161623e 100644
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -29,6 +29,10 @@
#define PHY_ID_GPY241BM 0x67C9DE80
#define PHY_ID_GPY245B 0x67C9DEC0
+#define PHY_CTL1 0x13
+#define PHY_CTL1_MDICD BIT(3)
+#define PHY_CTL1_MDIAB BIT(2)
+#define PHY_CTL1_AMDIX BIT(0)
#define PHY_MIISTAT 0x18 /* MII state */
#define PHY_IMASK 0x19 /* interrupt mask */
#define PHY_ISTAT 0x1A /* interrupt status */
@@ -59,6 +63,13 @@
#define PHY_FWV_MAJOR_MASK GENMASK(11, 8)
#define PHY_FWV_MINOR_MASK GENMASK(7, 0)
+#define PHY_PMA_MGBT_POLARITY 0x82
+#define PHY_MDI_MDI_X_MASK GENMASK(1, 0)
+#define PHY_MDI_MDI_X_NORMAL 0x3
+#define PHY_MDI_MDI_X_AB 0x2
+#define PHY_MDI_MDI_X_CD 0x1
+#define PHY_MDI_MDI_X_CROSS 0x0
+
/* SGMII */
#define VSPEC1_SGMII_CTRL 0x08
#define VSPEC1_SGMII_CTRL_ANEN BIT(12) /* Aneg enable */
@@ -289,6 +300,33 @@ static bool gpy_sgmii_aneg_en(struct phy_device *phydev)
return (ret & VSPEC1_SGMII_CTRL_ANEN) ? true : false;
}
+static int gpy_config_mdix(struct phy_device *phydev, u8 ctrl)
+{
+ int ret;
+ u16 val;
+
+ switch (ctrl) {
+ case ETH_TP_MDI_AUTO:
+ val = PHY_CTL1_AMDIX;
+ break;
+ case ETH_TP_MDI_X:
+ val = (PHY_CTL1_MDIAB | PHY_CTL1_MDICD);
+ break;
+ case ETH_TP_MDI:
+ val = 0;
+ break;
+ default:
+ return 0;
+ }
+
+ ret = phy_modify(phydev, PHY_CTL1, PHY_CTL1_AMDIX | PHY_CTL1_MDIAB |
+ PHY_CTL1_MDICD, val);
+ if (ret < 0)
+ return ret;
+
+ return genphy_c45_restart_aneg(phydev);
+}
+
static int gpy_config_aneg(struct phy_device *phydev)
{
bool changed = false;
@@ -304,6 +342,10 @@ static int gpy_config_aneg(struct phy_device *phydev)
: genphy_c45_pma_setup_forced(phydev);
}
+ ret = gpy_config_mdix(phydev, phydev->mdix_ctrl);
+ if (ret < 0)
+ return ret;
+
ret = genphy_c45_an_config_aneg(phydev);
if (ret < 0)
return ret;
@@ -370,6 +412,34 @@ static int gpy_config_aneg(struct phy_device *phydev)
VSPEC1_SGMII_CTRL_ANRS, VSPEC1_SGMII_CTRL_ANRS);
}
+static int gpy_update_mdix(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_read(phydev, PHY_CTL1);
+ if (ret < 0)
+ return ret;
+
+ if (ret & PHY_CTL1_AMDIX)
+ phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
+ else
+ if (ret & PHY_CTL1_MDICD || ret & PHY_CTL1_MDIAB)
+ phydev->mdix_ctrl = ETH_TP_MDI_X;
+ else
+ phydev->mdix_ctrl = ETH_TP_MDI;
+
+ ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, PHY_PMA_MGBT_POLARITY);
+ if (ret < 0)
+ return ret;
+
+ if ((ret & PHY_MDI_MDI_X_MASK) < PHY_MDI_MDI_X_NORMAL)
+ phydev->mdix = ETH_TP_MDI_X;
+ else
+ phydev->mdix = ETH_TP_MDI;
+
+ return 0;
+}
+
static int gpy_update_interface(struct phy_device *phydev)
{
int ret;
@@ -421,7 +491,7 @@ static int gpy_update_interface(struct phy_device *phydev)
return ret;
}
- return 0;
+ return gpy_update_mdix(phydev);
}
static int gpy_read_status(struct phy_device *phydev)
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X
2022-10-26 5:59 [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 1/2] net: phy: mxl-gpy: Change gpy_update_interface() function return type Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 2/2] net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips Raju Lakkaraju
@ 2022-10-28 10:20 ` patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-10-28 10:20 UTC (permalink / raw)
To: Raju Lakkaraju
Cc: netdev, davem, kuba, linux-kernel, lxu, hkallweit1, pabeni,
edumazet, linux, UNGLinuxDriver, andrew, Ian.Saturley
Hello:
This series was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:
On Wed, 26 Oct 2022 11:29:16 +0530 you wrote:
> This patch series add the MDI-X feature to GPY211 PHYs and
> Also Change return type to gpy_update_interface() function
>
> Raju Lakkaraju (2):
> net: phy: mxl-gpy: Change gpy_update_interface() function return type
> net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips
>
> [...]
Here is the summary with links:
- [net-next,V1,1/2] net: phy: mxl-gpy: Change gpy_update_interface() function return type
https://git.kernel.org/netdev/net-next/c/7a495dde27eb
- [net-next,V1,2/2] net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips
https://git.kernel.org/netdev/net-next/c/fd8825cd8c6f
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 4+ messages in thread
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2022-10-26 5:59 [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 1/2] net: phy: mxl-gpy: Change gpy_update_interface() function return type Raju Lakkaraju
2022-10-26 5:59 ` [PATCH net-next V1 2/2] net: phy: mxl-gpy: Add PHY Auto/MDI/MDI-X set driver for GPY211 chips Raju Lakkaraju
2022-10-28 10:20 ` [PATCH net-next V1 0/2] net: phy: mxl-gpy: Add MDI-X patchwork-bot+netdevbpf
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