mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
d40756563c
Let's pick a bunch of useful phylink changes which allow us to keep drivers in sync with mainline Linux. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
104 lines
3.0 KiB
Diff
104 lines
3.0 KiB
Diff
From affa013f494486079c3c5ad2d00cebc41a3d7445 Mon Sep 17 00:00:00 2001
|
|
From: Sean Anderson <sean.anderson@seco.com>
|
|
Date: Mon, 17 Oct 2022 16:22:36 -0400
|
|
Subject: [PATCH 01/21] net: fman: memac: Add serdes support
|
|
|
|
This adds support for using a serdes which has to be configured. This is
|
|
primarly in preparation for phylink conversion, which will then change the
|
|
serdes mode dynamically.
|
|
|
|
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
|
|
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
---
|
|
.../net/ethernet/freescale/fman/fman_memac.c | 49 ++++++++++++++++++-
|
|
1 file changed, 47 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
|
|
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
|
|
@@ -13,6 +13,7 @@
|
|
#include <linux/io.h>
|
|
#include <linux/phy.h>
|
|
#include <linux/phy_fixed.h>
|
|
+#include <linux/phy/phy.h>
|
|
#include <linux/of_mdio.h>
|
|
|
|
/* PCS registers */
|
|
@@ -324,6 +325,7 @@ struct fman_mac {
|
|
void *fm;
|
|
struct fman_rev_info fm_rev_info;
|
|
bool basex_if;
|
|
+ struct phy *serdes;
|
|
struct phy_device *pcsphy;
|
|
bool allmulti_enabled;
|
|
};
|
|
@@ -1203,17 +1205,56 @@ int memac_initialization(struct mac_devi
|
|
}
|
|
}
|
|
|
|
+ memac->serdes = devm_of_phy_get(mac_dev->dev, mac_node, "serdes");
|
|
+ err = PTR_ERR(memac->serdes);
|
|
+ if (err == -ENODEV || err == -ENOSYS) {
|
|
+ dev_dbg(mac_dev->dev, "could not get (optional) serdes\n");
|
|
+ memac->serdes = NULL;
|
|
+ } else if (IS_ERR(memac->serdes)) {
|
|
+ dev_err_probe(mac_dev->dev, err, "could not get serdes\n");
|
|
+ goto _return_fm_mac_free;
|
|
+ } else {
|
|
+ err = phy_init(memac->serdes);
|
|
+ if (err) {
|
|
+ dev_err_probe(mac_dev->dev, err,
|
|
+ "could not initialize serdes\n");
|
|
+ goto _return_fm_mac_free;
|
|
+ }
|
|
+
|
|
+ err = phy_power_on(memac->serdes);
|
|
+ if (err) {
|
|
+ dev_err_probe(mac_dev->dev, err,
|
|
+ "could not power on serdes\n");
|
|
+ goto _return_phy_exit;
|
|
+ }
|
|
+
|
|
+ if (memac->phy_if == PHY_INTERFACE_MODE_SGMII ||
|
|
+ memac->phy_if == PHY_INTERFACE_MODE_1000BASEX ||
|
|
+ memac->phy_if == PHY_INTERFACE_MODE_2500BASEX ||
|
|
+ memac->phy_if == PHY_INTERFACE_MODE_QSGMII ||
|
|
+ memac->phy_if == PHY_INTERFACE_MODE_XGMII) {
|
|
+ err = phy_set_mode_ext(memac->serdes, PHY_MODE_ETHERNET,
|
|
+ memac->phy_if);
|
|
+ if (err) {
|
|
+ dev_err_probe(mac_dev->dev, err,
|
|
+ "could not set serdes mode to %s\n",
|
|
+ phy_modes(memac->phy_if));
|
|
+ goto _return_phy_power_off;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
|
|
struct phy_device *phy;
|
|
|
|
err = of_phy_register_fixed_link(mac_node);
|
|
if (err)
|
|
- goto _return_fm_mac_free;
|
|
+ goto _return_phy_power_off;
|
|
|
|
fixed_link = kzalloc(sizeof(*fixed_link), GFP_KERNEL);
|
|
if (!fixed_link) {
|
|
err = -ENOMEM;
|
|
- goto _return_fm_mac_free;
|
|
+ goto _return_phy_power_off;
|
|
}
|
|
|
|
mac_dev->phy_node = of_node_get(mac_node);
|
|
@@ -1242,6 +1283,10 @@ int memac_initialization(struct mac_devi
|
|
|
|
goto _return;
|
|
|
|
+_return_phy_power_off:
|
|
+ phy_power_off(memac->serdes);
|
|
+_return_phy_exit:
|
|
+ phy_exit(memac->serdes);
|
|
_return_fixed_link_free:
|
|
kfree(fixed_link);
|
|
_return_fm_mac_free:
|