From: Jiawen Wu <jiawenwu@trustnetic.com>
Date: Tue, 6 Jun 2023 09:21:03 +0000 (+0800)
Subject: net: txgbe: Add SFP module identify
X-Git-Tag: v6.6.17~4555^2~152^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04d94236182e4f46bea6a48e3830b27f361f090f;p=platform%2Fkernel%2Flinux-rpi.git

net: txgbe: Add SFP module identify

Register SFP platform device to get modules information.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---

diff --git a/drivers/net/ethernet/wangxun/Kconfig b/drivers/net/ethernet/wangxun/Kconfig
index 128cc1c..59f3a3f 100644
--- a/drivers/net/ethernet/wangxun/Kconfig
+++ b/drivers/net/ethernet/wangxun/Kconfig
@@ -44,6 +44,9 @@ config TXGBE
 	select REGMAP
 	select I2C
 	select I2C_DESIGNWARE_PLATFORM
+	select PHYLINK
+	select HWMON if TXGBE=y
+	select SFP
 	select LIBWX
 	help
 	  This driver supports Wangxun(R) 10GbE PCI Express family of
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index 24a7291..d95dc13 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -158,6 +158,25 @@ static int txgbe_i2c_register(struct txgbe *txgbe)
 	return 0;
 }
 
+static int txgbe_sfp_register(struct txgbe *txgbe)
+{
+	struct pci_dev *pdev = txgbe->wx->pdev;
+	struct platform_device_info info = {};
+	struct platform_device *sfp_dev;
+
+	info.parent = &pdev->dev;
+	info.fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_SFP]);
+	info.name = "sfp";
+	info.id = (pdev->bus->number << 8) | pdev->devfn;
+	sfp_dev = platform_device_register_full(&info);
+	if (IS_ERR(sfp_dev))
+		return PTR_ERR(sfp_dev);
+
+	txgbe->sfp_dev = sfp_dev;
+
+	return 0;
+}
+
 int txgbe_init_phy(struct txgbe *txgbe)
 {
 	int ret;
@@ -180,8 +199,16 @@ int txgbe_init_phy(struct txgbe *txgbe)
 		goto err_unregister_clk;
 	}
 
+	ret = txgbe_sfp_register(txgbe);
+	if (ret) {
+		wx_err(txgbe->wx, "failed to register sfp\n");
+		goto err_unregister_i2c;
+	}
+
 	return 0;
 
+err_unregister_i2c:
+	platform_device_unregister(txgbe->i2c_dev);
 err_unregister_clk:
 	clkdev_drop(txgbe->clock);
 	clk_unregister(txgbe->clk);
@@ -193,6 +220,7 @@ err_unregister_swnode:
 
 void txgbe_remove_phy(struct txgbe *txgbe)
 {
+	platform_device_unregister(txgbe->sfp_dev);
 	platform_device_unregister(txgbe->i2c_dev);
 	clkdev_drop(txgbe->clock);
 	clk_unregister(txgbe->clk);
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index 6e471a4..f420e25 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -150,6 +150,7 @@ struct txgbe_nodes {
 struct txgbe {
 	struct wx *wx;
 	struct txgbe_nodes nodes;
+	struct platform_device *sfp_dev;
 	struct platform_device *i2c_dev;
 	struct clk_lookup *clock;
 	struct clk *clk;