phy: ti: gmii-sel: Add support for CPSW9G GMII SEL in J784S4

Each of the CPSW9G ports in TI's J784S4 SoC support modes such as QSGMII.

Add a new compatible for it and allow the usage of "ti,qsgmii-main-ports"
property for J784S4.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230331062521.529005-2-s-vadapalli@ti.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/ti/phy-gmii-sel.c

@@ -235,6 +235,15 @@ struct phy_gmii_sel_soc_data phy_gmii_sel_cpsw9g_soc_j721e = {
 	.num_qsgmii_main_ports = 2,
 };
 
+static const
+struct phy_gmii_sel_soc_data phy_gmii_sel_cpsw9g_soc_j784s4 = {
+	.use_of_data = true,
+	.regfields = phy_gmii_sel_fields_am654,
+	.extra_modes = BIT(PHY_INTERFACE_MODE_QSGMII),
+	.num_ports = 8,
+	.num_qsgmii_main_ports = 2,
+};
+
 static const struct of_device_id phy_gmii_sel_id_table[] = {
 	{
 		.compatible	= "ti,am3352-phy-gmii-sel",
@@ -264,6 +273,10 @@ static const struct of_device_id phy_gmii_sel_id_table[] = {
 		.compatible	= "ti,j721e-cpsw9g-phy-gmii-sel",
 		.data		= &phy_gmii_sel_cpsw9g_soc_j721e,
 	},
+	{
+		.compatible	= "ti,j784s4-cpsw9g-phy-gmii-sel",
+		.data		= &phy_gmii_sel_cpsw9g_soc_j784s4,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, phy_gmii_sel_id_table);