iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: stmmac: add imx93 platform support

Browse Source 
Add imx93 platform support for dwmac-imx driver.

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Clark Wang 2023-01-13 11:33:41 +08:00 committed by David S. Miller
parent c4791b3196
commit e5bf35ca45
1 changed files with 50 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
View File

@ -31,6 +31,12 @@
#define GPR_ENET_QOS_CLK_TX_CLK_SEL (0x1 << 20)
#define GPR_ENET_QOS_RGMII_EN (0x1 << 21)
#define MX93_GPR_ENET_QOS_INTF_MODE_MASK GENMASK(3, 0)
#define MX93_GPR_ENET_QOS_INTF_SEL_MII (0x0 << 1)
#define MX93_GPR_ENET_QOS_INTF_SEL_RMII (0x4 << 1)
#define MX93_GPR_ENET_QOS_INTF_SEL_RGMII (0x1 << 1)
#define MX93_GPR_ENET_QOS_CLK_GEN_EN (0x1 << 0)
struct imx_dwmac_ops {
u32 addr_width;
bool mac_rgmii_txclk_auto_adj;
@ -90,6 +96,35 @@ imx8dxl_set_intf_mode(struct plat_stmmacenet_data *plat_dat)
return ret;
}
static int imx93_set_intf_mode(struct plat_stmmacenet_data *plat_dat)
{
struct imx_priv_data *dwmac = plat_dat->bsp_priv;
int val;
switch (plat_dat->interface) {
case PHY_INTERFACE_MODE_MII:
val = MX93_GPR_ENET_QOS_INTF_SEL_MII;
break;
case PHY_INTERFACE_MODE_RMII:
val = MX93_GPR_ENET_QOS_INTF_SEL_RMII;
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
val = MX93_GPR_ENET_QOS_INTF_SEL_RGMII;
break;
default:
dev_dbg(dwmac->dev, "imx dwmac doesn't support %d interface\n",
plat_dat->interface);
return -EINVAL;
}
val |= MX93_GPR_ENET_QOS_CLK_GEN_EN;
return regmap_update_bits(dwmac->intf_regmap, dwmac->intf_reg_off,
MX93_GPR_ENET_QOS_INTF_MODE_MASK, val);
};
static int imx_dwmac_clks_config(void *priv, bool enabled)
{
struct imx_priv_data *dwmac = priv;
@ -188,7 +223,9 @@ imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev)
}
dwmac->clk_mem = NULL;
if (of_machine_is_compatible("fsl,imx8dxl")) {
if (of_machine_is_compatible("fsl,imx8dxl") ||
of_machine_is_compatible("fsl,imx93")) {
dwmac->clk_mem = devm_clk_get(dev, "mem");
if (IS_ERR(dwmac->clk_mem)) {
dev_err(dev, "failed to get mem clock\n");
@ -196,10 +233,11 @@ imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev)
}
}
if (of_machine_is_compatible("fsl,imx8mp")) {
/* Binding doc describes the property:
is required by i.MX8MP.
is optional for i.MX8DXL.
if (of_machine_is_compatible("fsl,imx8mp") ||
of_machine_is_compatible("fsl,imx93")) {
/* Binding doc describes the propety:
* is required by i.MX8MP, i.MX93.
* is optinoal for i.MX8DXL.
*/
dwmac->intf_regmap = syscon_regmap_lookup_by_phandle(np, "intf_mode");
if (IS_ERR(dwmac->intf_regmap))
@ -296,9 +334,16 @@ static struct imx_dwmac_ops imx8dxl_dwmac_data = {
.set_intf_mode = imx8dxl_set_intf_mode,
};
static struct imx_dwmac_ops imx93_dwmac_data = {
.addr_width = 32,
.mac_rgmii_txclk_auto_adj = true,
.set_intf_mode = imx93_set_intf_mode,
};
static const struct of_device_id imx_dwmac_match[] = {
{ .compatible = "nxp,imx8mp-dwmac-eqos", .data = &imx8mp_dwmac_data },
{ .compatible = "nxp,imx8dxl-dwmac-eqos", .data = &imx8dxl_dwmac_data },
{ .compatible = "nxp,imx93-dwmac-eqos", .data = &imx93_dwmac_data },
{ }
};
MODULE_DEVICE_TABLE(of, imx_dwmac_match);