Add i.MX91 specific settings for EQoS.

Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Joy Zou <joy.zou@nxp.com>
---
Changes for v10:
1. modify code comment indicating that imx91 is a required property.
2. add Reviewed-by tag.

Changes for v5:
1. add imx91 support.
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
index c2d9e89f0063..80200a6aa0cb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
@@ -301,6 +301,7 @@ imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev)
 	dwmac->clk_mem = NULL;
 
 	if (of_machine_is_compatible("fsl,imx8dxl") ||
+	    of_machine_is_compatible("fsl,imx91") ||
 	    of_machine_is_compatible("fsl,imx93")) {
 		dwmac->clk_mem = devm_clk_get(dev, "mem");
 		if (IS_ERR(dwmac->clk_mem)) {
@@ -310,9 +311,10 @@ imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev)
 	}
 
 	if (of_machine_is_compatible("fsl,imx8mp") ||
+	    of_machine_is_compatible("fsl,imx91") ||
 	    of_machine_is_compatible("fsl,imx93")) {
 		/* Binding doc describes the propety:
-		 * is required by i.MX8MP, i.MX93.
+		 * is required by i.MX8MP, i.MX91, i.MX93.
 		 * is optinoal for i.MX8DXL.
 		 */
 		dwmac->intf_regmap =
-- 
2.37.1