Commit e5bf35ca authored by Clark Wang's avatar Clark Wang Committed by David S. Miller
Browse files

net: stmmac: add imx93 platform support 



Add imx93 platform support for dwmac-imx driver.

Signed-off-by: default avatarClark Wang <xiaoning.wang@nxp.com>
Reviewed-by: default avatarPeng Fan <peng.fan@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c4791b31

drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c

+50 −5
Original line number Diff line number Diff line
@@ -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);