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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2024 Schneider-Electric
*
* Clément Léger <clement.leger@bootlin.com>
*/
#include <linux/of.h>
#include <linux/pcs-rzn1-miic.h>
#include <linux/phylink.h>
#include <linux/platform_device.h>
#include "stmmac_platform.h"
#include "stmmac.h"
static int rzn1_dwmac_pcs_init(struct stmmac_priv *priv)
{
struct device_node *np = priv->device->of_node;
struct device_node *pcs_node;
struct phylink_pcs *pcs;
pcs_node = of_parse_phandle(np, "pcs-handle", 0);
if (pcs_node) {
pcs = miic_create(priv->device, pcs_node);
of_node_put(pcs_node);
if (IS_ERR(pcs))
return PTR_ERR(pcs);
priv->hw->phylink_pcs = pcs;
}
return 0;
}
static void rzn1_dwmac_pcs_exit(struct stmmac_priv *priv)
{
if (priv->hw->phylink_pcs)
miic_destroy(priv->hw->phylink_pcs);
}
static struct phylink_pcs *rzn1_dwmac_select_pcs(struct stmmac_priv *priv,
phy_interface_t interface)
{
return priv->hw->phylink_pcs;
}
static int rzn1_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct device *dev = &pdev->dev;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
plat_dat->bsp_priv = plat_dat;
plat_dat->pcs_init = rzn1_dwmac_pcs_init;
plat_dat->pcs_exit = rzn1_dwmac_pcs_exit;
plat_dat->select_pcs = rzn1_dwmac_select_pcs;
ret = stmmac_dvr_probe(dev, plat_dat, &stmmac_res);
if (ret)
return ret;
return 0;
}
static const struct of_device_id rzn1_dwmac_match[] = {
{ .compatible = "renesas,rzn1-gmac" },
{ }
};
MODULE_DEVICE_TABLE(of, rzn1_dwmac_match);
static struct platform_driver rzn1_dwmac_driver = {
.probe = rzn1_dwmac_probe,
.remove_new = stmmac_pltfr_remove,
.driver = {
.name = "rzn1-dwmac",
.of_match_table = rzn1_dwmac_match,
},
};
module_platform_driver(rzn1_dwmac_driver);
MODULE_AUTHOR("Clément Léger <clement.leger@bootlin.com>");
MODULE_DESCRIPTION("Renesas RZN1 DWMAC specific glue layer");
MODULE_LICENSE("GPL");
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