From: Raju Lakkaraju <Raju.Lakkaraju@microchip•com>
To: <netdev@vger•kernel.org>
Cc: <davem@davemloft•net>, <kuba@kernel•org>,
<linux-kernel@vger•kernel.org>, <bryan.whitehead@microchip•com>,
<andrew@lunn•ch>, <linux@armlinux•org.uk>,
<UNGLinuxDriver@microchip•com>
Subject: [PATCH net-next 7/7] net: lan743x: Register the platform device for sfp pluggable module
Date: Fri, 21 Jul 2023 11:30:19 +0530 [thread overview]
Message-ID: <20230721060019.2737-8-Raju.Lakkaraju@microchip.com> (raw)
In-Reply-To: <20230721060019.2737-1-Raju.Lakkaraju@microchip.com>
Add support for SFP pluggable module as platform device handle the GPIO
input and output signals and i2c bus access the SFP EEPROM data.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip•com>
---
drivers/net/ethernet/microchip/lan743x_main.c | 39 +++++++++++++++++++
drivers/net/ethernet/microchip/lan743x_main.h | 1 +
2 files changed, 40 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 9b6326d035a8..2dd0965982fb 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -17,6 +17,7 @@
#include <linux/crc16.h>
#include <linux/gpio/machine.h>
#include <linux/i2c.h>
+#include <linux/platform_device.h>
#include "../../../misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.h"
#include "lan743x_main.h"
#include "lan743x_ethtool.h"
@@ -3228,6 +3229,31 @@ static int lan743x_swnodes_register(struct lan743x_adapter *adapter)
return software_node_register_node_group(nodes->group);
}
+static int lan743x_sfp_register(struct lan743x_adapter *adapter)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ struct platform_device_info sfp_info;
+ struct platform_device *sfp_dev;
+
+ memset(&sfp_info, 0, sizeof(sfp_info));
+ sfp_info.parent = &adapter->pdev->dev;
+ sfp_info.fwnode = software_node_fwnode(adapter->nodes->group[SWNODE_SFP]);
+ sfp_info.name = "sfp";
+ sfp_info.id = (pdev->bus->number << 8) | pdev->devfn;
+ sfp_dev = platform_device_register_full(&sfp_info);
+ if (IS_ERR(sfp_dev)) {
+ netif_err(adapter, drv, adapter->netdev,
+ "Failed to register SFP device\n");
+ return PTR_ERR(sfp_dev);
+ }
+
+ adapter->sfp_dev = sfp_dev;
+ netif_dbg(adapter, drv, adapter->netdev,
+ "SFP platform device registered");
+
+ return 0;
+}
+
static void lan743x_mac_cfg_update(struct lan743x_adapter *adapter, bool link,
int speed, const unsigned long *advertise)
{
@@ -3715,6 +3741,9 @@ static void lan743x_hardware_cleanup(struct lan743x_adapter *adapter)
if (adapter->phylink)
phylink_destroy(adapter->phylink);
+ if (adapter->sfp_dev)
+ platform_device_unregister(adapter->sfp_dev);
+
if (adapter->nodes)
software_node_unregister_node_group(adapter->nodes->group);
@@ -3942,6 +3971,16 @@ static int lan743x_pcidev_probe(struct pci_dev *pdev,
adapter->sgmii_lsd = LINK_2500_MASTER;
if (adapter->is_sfp_support_en) {
+ adapter->i2c_adap->dev.fwnode =
+ software_node_fwnode(adapter->nodes->group[SWNODE_I2C]);
+
+ ret = lan743x_sfp_register(adapter);
+ if (ret < 0) {
+ netif_err(adapter, probe, netdev,
+ "failed to sfp register (%d)\n", ret);
+ goto cleanup_hardware;
+ }
+
ret = lan743x_phylink_create(adapter->netdev);
if (ret) {
netif_err(adapter, probe, netdev,
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index 6b94d0e93cbb..d23cf1ca888c 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -1083,6 +1083,7 @@ struct lan743x_adapter {
struct i2c_adapter *i2c_adap;
struct phylink *phylink;
struct phylink_config phylink_config;
+ struct platform_device *sfp_dev;
};
#define LAN743X_COMPONENT_FLAG_RX(channel) BIT(20 + (channel))
--
2.25.1
prev parent reply other threads:[~2023-07-21 6:01 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-21 6:00 [PATCH net-next 0/7] Add support to PHYLINK and SFP for PCI11x1x chips Raju Lakkaraju
2023-07-21 6:00 ` [PATCH net-next 1/7] net: lan743x: Create separate PCS power reset function Raju Lakkaraju
2023-07-22 20:24 ` Simon Horman
2023-07-21 6:00 ` [PATCH net-next 2/7] net: lan743x: Create separate Link Speed Duplex state function Raju Lakkaraju
2023-07-21 6:00 ` [PATCH net-next 3/7] net: lan743x: Add SFP support check flag Raju Lakkaraju
2023-07-21 6:00 ` [PATCH net-next 4/7] net: lan743x: Add support to software-nodes for SFP and PHYLINK Raju Lakkaraju
2023-07-21 6:00 ` [PATCH net-next 5/7] net: lan743x: Add support to the Phylink framework Raju Lakkaraju
2023-07-21 8:49 ` Russell King (Oracle)
2023-07-21 11:57 ` Russell King (Oracle)
2023-07-24 8:24 ` Raju Lakkaraju
2023-08-01 14:36 ` Russell King (Oracle)
2023-07-22 20:27 ` Simon Horman
2023-07-21 6:00 ` [PATCH net-next 6/7] net: lan743x: Add support to ethtool phylink get and set settings Raju Lakkaraju
2023-07-21 8:53 ` Russell King (Oracle)
2023-07-21 6:00 ` Raju Lakkaraju [this message]
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