* [PATCH v2 1/1] phy: nxp-c45-tja11xx: add interrupt support
@ 2021-04-23 15:00 Radu Pirea (NXP OSS)
2021-04-23 15:54 ` Andrew Lunn
2021-04-23 21:20 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Radu Pirea (NXP OSS) @ 2021-04-23 15:00 UTC (permalink / raw)
To: andrew, hkallweit1, linux, davem, kuba
Cc: netdev, linux-kernel, Radu Pirea (NXP OSS)
Added .config_intr and .handle_interrupt callbacks.
Link event interrupt will trigger an interrupt every time when the link
goes up or down.
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
---
drivers/net/phy/nxp-c45-tja11xx.c | 33 +++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 95307097ebff..26b9c0d7cb9d 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -28,6 +28,11 @@
#define DEVICE_CONTROL_CONFIG_GLOBAL_EN BIT(14)
#define DEVICE_CONTROL_CONFIG_ALL_EN BIT(13)
+#define VEND1_PHY_IRQ_ACK 0x80A0
+#define VEND1_PHY_IRQ_EN 0x80A1
+#define VEND1_PHY_IRQ_STATUS 0x80A2
+#define PHY_IRQ_LINK_EVENT BIT(1)
+
#define VEND1_PHY_CONTROL 0x8100
#define PHY_CONFIG_EN BIT(14)
#define PHY_START_OP BIT(0)
@@ -188,6 +193,32 @@ static int nxp_c45_start_op(struct phy_device *phydev)
PHY_START_OP);
}
+static int nxp_c45_config_intr(struct phy_device *phydev)
+{
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ return phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+ VEND1_PHY_IRQ_EN, PHY_IRQ_LINK_EVENT);
+ else
+ return phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+ VEND1_PHY_IRQ_EN, PHY_IRQ_LINK_EVENT);
+}
+
+static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev)
+{
+ irqreturn_t ret = IRQ_NONE;
+ int irq;
+
+ irq = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_PHY_IRQ_STATUS);
+ if (irq & PHY_IRQ_LINK_EVENT) {
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_PHY_IRQ_ACK,
+ PHY_IRQ_LINK_EVENT);
+ phy_trigger_machine(phydev);
+ ret = IRQ_HANDLED;
+ }
+
+ return ret;
+}
+
static int nxp_c45_soft_reset(struct phy_device *phydev)
{
int ret;
@@ -560,6 +591,8 @@ static struct phy_driver nxp_c45_driver[] = {
.soft_reset = nxp_c45_soft_reset,
.config_aneg = nxp_c45_config_aneg,
.config_init = nxp_c45_config_init,
+ .config_intr = nxp_c45_config_intr,
+ .handle_interrupt = nxp_c45_handle_interrupt,
.read_status = nxp_c45_read_status,
.suspend = genphy_c45_pma_suspend,
.resume = genphy_c45_pma_resume,
base-commit: cad4162a90aeff737a16c0286987f51e927f003a
--
2.31.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 1/1] phy: nxp-c45-tja11xx: add interrupt support
2021-04-23 15:00 [PATCH v2 1/1] phy: nxp-c45-tja11xx: add interrupt support Radu Pirea (NXP OSS)
@ 2021-04-23 15:54 ` Andrew Lunn
2021-04-23 21:20 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Andrew Lunn @ 2021-04-23 15:54 UTC (permalink / raw)
To: Radu Pirea (NXP OSS); +Cc: hkallweit1, linux, davem, kuba, netdev, linux-kernel
On Fri, Apr 23, 2021 at 06:00:50PM +0300, Radu Pirea (NXP OSS) wrote:
> Added .config_intr and .handle_interrupt callbacks.
>
> Link event interrupt will trigger an interrupt every time when the link
> goes up or down.
>
> Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2 1/1] phy: nxp-c45-tja11xx: add interrupt support
2021-04-23 15:00 [PATCH v2 1/1] phy: nxp-c45-tja11xx: add interrupt support Radu Pirea (NXP OSS)
2021-04-23 15:54 ` Andrew Lunn
@ 2021-04-23 21:20 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-04-23 21:20 UTC (permalink / raw)
To: Radu Pirea; +Cc: andrew, hkallweit1, linux, davem, kuba, netdev, linux-kernel
Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Fri, 23 Apr 2021 18:00:50 +0300 you wrote:
> Added .config_intr and .handle_interrupt callbacks.
>
> Link event interrupt will trigger an interrupt every time when the link
> goes up or down.
>
> Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
>
> [...]
Here is the summary with links:
- [v2,1/1] phy: nxp-c45-tja11xx: add interrupt support
https://git.kernel.org/netdev/net-next/c/b2f0ca00e6b3
You are awesome, thank you!
--
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-04-23 15:54 ` Andrew Lunn
2021-04-23 21:20 ` patchwork-bot+netdevbpf
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