* [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy
@ 2022-04-20 15:20 Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 1/2] net: phy: LAN87xx: add ethtool SQI support Arun Ramadoss
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Arun Ramadoss @ 2022-04-20 15:20 UTC (permalink / raw)
To: netdev, linux-kernel
Cc: Paolo Abeni, Jakub Kicinski, David S. Miller, Russell King,
Heiner Kallweit, Andrew Lunn, UNGLinuxDriver, Arun Ramadoss
This patch series add the Signal Quality Index measurement for the LAN87xx and
LAN937x T1 phy. Updated the maintainers file for microchip_t1.c.
v2 - v3
------
Rebased to latest commit
v1 - v2
------
- Seperated the PHY_POLL_CABLE_TEST flag patch as a fix to net tree.
- Updated the individual people as Maintainer.
Arun Ramadoss (2):
net: phy: LAN87xx: add ethtool SQI support
MAINTAINERS: Add maintainers for Microchip T1 Phy driver
MAINTAINERS | 7 +++++
drivers/net/phy/microchip_t1.c | 48 ++++++++++++++++++++++++++++++++++
2 files changed, 55 insertions(+)
base-commit: 365014f5c39422fa7ccd75b36235155d9041f883
--
2.33.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Patch net-next v3 1/2] net: phy: LAN87xx: add ethtool SQI support
2022-04-20 15:20 [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy Arun Ramadoss
@ 2022-04-20 15:20 ` Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 2/2] MAINTAINERS: Add maintainers for Microchip T1 Phy driver Arun Ramadoss
2022-04-22 23:40 ` [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: Arun Ramadoss @ 2022-04-20 15:20 UTC (permalink / raw)
To: netdev, linux-kernel
Cc: Paolo Abeni, Jakub Kicinski, David S. Miller, Russell King,
Heiner Kallweit, Andrew Lunn, UNGLinuxDriver, Arun Ramadoss
This patch add the support for measuring Signal Quality Index for
LAN87xx and LAN937x T1 Phy. It uses the SQI Method 5 for obtaining the
values.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
drivers/net/phy/microchip_t1.c | 48 ++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/drivers/net/phy/microchip_t1.c b/drivers/net/phy/microchip_t1.c
index 3f79bbbe62d3..54f1fab9d8f8 100644
--- a/drivers/net/phy/microchip_t1.c
+++ b/drivers/net/phy/microchip_t1.c
@@ -68,7 +68,12 @@
#define T1_POST_LCK_MUFACT_CFG_REG 0x1C
#define T1_TX_RX_FIFO_CFG_REG 0x02
#define T1_TX_LPF_FIR_CFG_REG 0x55
+#define T1_COEF_CLK_PWR_DN_CFG 0x04
+#define T1_COEF_RW_CTL_CFG 0x0D
#define T1_SQI_CONFIG_REG 0x2E
+#define T1_SQI_CONFIG2_REG 0x4A
+#define T1_DCQ_SQI_REG 0xC3
+#define T1_DCQ_SQI_MSK GENMASK(3, 1)
#define T1_MDIO_CONTROL2_REG 0x10
#define T1_INTERRUPT_SOURCE_REG 0x18
#define T1_INTERRUPT2_SOURCE_REG 0x08
@@ -82,6 +87,9 @@
#define T1_MODE_STAT_REG 0x11
#define T1_LINK_UP_MSK BIT(0)
+/* SQI defines */
+#define LAN87XX_MAX_SQI 0x07
+
#define DRIVER_AUTHOR "Nisar Sayed <nisar.sayed@microchip.com>"
#define DRIVER_DESC "Microchip LAN87XX/LAN937x T1 PHY driver"
@@ -346,9 +354,20 @@ static int lan87xx_phy_init(struct phy_device *phydev)
T1_TX_LPF_FIR_CFG_REG, 0x1011, 0 },
{ PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_DSP,
T1_TX_LPF_FIR_CFG_REG, 0x1000, 0 },
+ /* Setup SQI measurement */
+ { PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_DSP,
+ T1_COEF_CLK_PWR_DN_CFG, 0x16d6, 0 },
/* SQI enable */
{ PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_DSP,
T1_SQI_CONFIG_REG, 0x9572, 0 },
+ /* SQI select mode 5 */
+ { PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_DSP,
+ T1_SQI_CONFIG2_REG, 0x0001, 0 },
+ /* Throws the first SQI reading */
+ { PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_DSP,
+ T1_COEF_RW_CTL_CFG, 0x0301, 0 },
+ { PHYACC_ATTR_MODE_READ, PHYACC_ATTR_BANK_DSP,
+ T1_DCQ_SQI_REG, 0, 0 },
/* Flag LPS and WUR as idle errors */
{ PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_SMI,
T1_MDIO_CONTROL2_REG, 0x0014, 0 },
@@ -724,6 +743,31 @@ static int lan87xx_config_aneg(struct phy_device *phydev)
return phy_modify_changed(phydev, MII_CTRL1000, CTL1000_AS_MASTER, ctl);
}
+static int lan87xx_get_sqi(struct phy_device *phydev)
+{
+ u8 sqi_value = 0;
+ int rc;
+
+ rc = access_ereg(phydev, PHYACC_ATTR_MODE_WRITE,
+ PHYACC_ATTR_BANK_DSP, T1_COEF_RW_CTL_CFG, 0x0301);
+ if (rc < 0)
+ return rc;
+
+ rc = access_ereg(phydev, PHYACC_ATTR_MODE_READ,
+ PHYACC_ATTR_BANK_DSP, T1_DCQ_SQI_REG, 0x0);
+ if (rc < 0)
+ return rc;
+
+ sqi_value = FIELD_GET(T1_DCQ_SQI_MSK, rc);
+
+ return sqi_value;
+}
+
+static int lan87xx_get_sqi_max(struct phy_device *phydev)
+{
+ return LAN87XX_MAX_SQI;
+}
+
static struct phy_driver microchip_t1_phy_driver[] = {
{
PHY_ID_MATCH_MODEL(PHY_ID_LAN87XX),
@@ -737,6 +781,8 @@ static struct phy_driver microchip_t1_phy_driver[] = {
.resume = genphy_resume,
.config_aneg = lan87xx_config_aneg,
.read_status = lan87xx_read_status,
+ .get_sqi = lan87xx_get_sqi,
+ .get_sqi_max = lan87xx_get_sqi_max,
.cable_test_start = lan87xx_cable_test_start,
.cable_test_get_status = lan87xx_cable_test_get_status,
},
@@ -749,6 +795,8 @@ static struct phy_driver microchip_t1_phy_driver[] = {
.resume = genphy_resume,
.config_aneg = lan87xx_config_aneg,
.read_status = lan87xx_read_status,
+ .get_sqi = lan87xx_get_sqi,
+ .get_sqi_max = lan87xx_get_sqi_max,
.cable_test_start = lan87xx_cable_test_start,
.cable_test_get_status = lan87xx_cable_test_get_status,
}
--
2.33.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [Patch net-next v3 2/2] MAINTAINERS: Add maintainers for Microchip T1 Phy driver
2022-04-20 15:20 [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 1/2] net: phy: LAN87xx: add ethtool SQI support Arun Ramadoss
@ 2022-04-20 15:20 ` Arun Ramadoss
2022-04-22 23:40 ` [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: Arun Ramadoss @ 2022-04-20 15:20 UTC (permalink / raw)
To: netdev, linux-kernel
Cc: Paolo Abeni, Jakub Kicinski, David S. Miller, Russell King,
Heiner Kallweit, Andrew Lunn, UNGLinuxDriver, Arun Ramadoss
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
---
MAINTAINERS | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 25d2a5d417bc..1adf2cac1865 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12920,6 +12920,13 @@ F: drivers/net/dsa/microchip/*
F: include/linux/platform_data/microchip-ksz.h
F: net/dsa/tag_ksz.c
+MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER
+M: Arun Ramadoss <arun.ramadoss@microchip.com>
+R: UNGLinuxDriver@microchip.com
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/phy/microchip_t1.c
+
MICROCHIP LAN743X ETHERNET DRIVER
M: Bryan Whitehead <bryan.whitehead@microchip.com>
M: UNGLinuxDriver@microchip.com
--
2.33.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy
2022-04-20 15:20 [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 1/2] net: phy: LAN87xx: add ethtool SQI support Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 2/2] MAINTAINERS: Add maintainers for Microchip T1 Phy driver Arun Ramadoss
@ 2022-04-22 23:40 ` patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-04-22 23:40 UTC (permalink / raw)
To: Arun Ramadoss
Cc: netdev, linux-kernel, pabeni, kuba, davem, linux, hkallweit1,
andrew, UNGLinuxDriver
Hello:
This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 20 Apr 2022 20:50:14 +0530 you wrote:
> This patch series add the Signal Quality Index measurement for the LAN87xx and
> LAN937x T1 phy. Updated the maintainers file for microchip_t1.c.
>
> v2 - v3
> ------
> Rebased to latest commit
>
> [...]
Here is the summary with links:
- [net-next,v3,1/2] net: phy: LAN87xx: add ethtool SQI support
https://git.kernel.org/netdev/net-next/c/b649695248b1
- [net-next,v3,2/2] MAINTAINERS: Add maintainers for Microchip T1 Phy driver
https://git.kernel.org/netdev/net-next/c/58f373f8d787
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
end of thread, other threads:[~2022-04-22 23:40 UTC | newest]
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2022-04-20 15:20 [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 1/2] net: phy: LAN87xx: add ethtool SQI support Arun Ramadoss
2022-04-20 15:20 ` [Patch net-next v3 2/2] MAINTAINERS: Add maintainers for Microchip T1 Phy driver Arun Ramadoss
2022-04-22 23:40 ` [Patch net-next v3 0/2] add ethtool SQI support for LAN87xx T1 Phy patchwork-bot+netdevbpf
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