[RFC PATCH 5/5] airoha: add PCS node for AN7581

[Christian Marangi]

Add PCS node for Airoha AN7581 SoC to enable support for Serdes Ethernet
and PON port.

Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 arch/arm/dts/an7581-u-boot.dtsi     | 71 +++++++++++++++++++++++++++++
 arch/arm/dts/en7581-evb-u-boot.dtsi | 18 ++++++++
 2 files changed, 89 insertions(+)

diff --git a/arch/arm/dts/an7581-u-boot.dtsi b/arch/arm/dts/an7581-u-boot.dtsi
index a9297ca6503..9ee0f808660 100644
--- a/arch/arm/dts/an7581-u-boot.dtsi
+++ b/arch/arm/dts/an7581-u-boot.dtsi
@@ -35,6 +35,48 @@
 			reg = <0x0 0x1fa20000 0x0 0x388>;
 		};
 
+		pon_pcs: pcs at 1fa08000 {
+			compatible = "airoha,an7581-pcs-pon";
+			reg = <0x0 0x1fa08000 0x0 0x1000>,
+			      <0x0 0x1fa80000 0x0 0x60>,
+			      <0x0 0x1fa80a00 0x0 0x164>,
+			      <0x0 0x1fa84000 0x0 0x450>,
+			      <0x0 0x1fa85900 0x0 0x338>,
+			      <0x0 0x1fa86000 0x0 0x300>,
+			      <0x0 0x1fa8a000 0x0 0x1000>,
+			      <0x0 0x1fa8b000 0x0 0x1000>;
+			reg-names = "xfi_mac", "hsgmii_an", "hsgmii_pcs",
+				    "multi_sgmii", "usxgmii",
+				    "hsgmii_rate_adp", "xfi_ana", "xfi_pma";
+
+			resets = <&scuclk EN7581_XPON_MAC_RST>,
+				 <&scuclk EN7581_XPON_PHY_RST>;
+			reset-names = "mac", "phy";
+
+			airoha,scu = <&scuclk>;
+		};
+
+		eth_pcs: pcs at 1fa09000 {
+			compatible = "airoha,an7581-pcs-eth";
+			reg = <0x0 0x1fa09000 0x0 0x1000>,
+			      <0x0 0x1fa70000 0x0 0x60>,
+			      <0x0 0x1fa70a00 0x0 0x164>,
+			      <0x0 0x1fa74000 0x0 0x450>,
+			      <0x0 0x1fa75900 0x0 0x338>,
+			      <0x0 0x1fa76000 0x0 0x300>,
+			      <0x0 0x1fa7a000 0x0 0x1000>,
+			      <0x0 0x1fa7b000 0x0 0x1000>;
+			reg-names = "xfi_mac", "hsgmii_an", "hsgmii_pcs",
+				    "multi_sgmii", "usxgmii",
+				    "hsgmii_rate_adp", "xfi_ana", "xfi_pma";
+
+			resets = <&scuclk EN7581_XSI_MAC_RST>,
+				 <&scuclk EN7581_XSI_PHY_RST>;
+			reset-names = "mac", "phy";
+
+			airoha,scu = <&scuclk>;
+		};
+
 		eth: ethernet at 1fb50000 {
 			compatible = "airoha,en7581-eth";
 			reg = <0 0x1fb50000 0 0x2600>,
@@ -52,6 +94,35 @@
 			reset-names = "fe", "pdma", "qdma",
 				      "hsi0-mac", "hsi1-mac", "hsi-mac",
 				      "xfp-mac";
+
+			gdm1: ethernet at 1 {
+				compatible = "airoha,eth-mac";
+				reg = <1>;
+				phy-mode = "internal";
+				status = "disabled";
+
+				fixed-link {
+					speed = <10000>;
+					full-duplex;
+					pause;
+				};
+			};
+
+			gdm2: ethernet at 2 {
+				compatible = "airoha,eth-mac";
+				reg = <2>;
+				pcs = <&pon_pcs>;
+
+				status = "disabled";
+			};
+
+			gdm4: ethernet at 4 {
+				compatible = "airoha,eth-mac";
+				reg = <4>;
+				pcs = <&eth_pcs>;
+
+				status = "disabled";
+			};
 		};
 
 		switch: switch at 1fb58000 {
diff --git a/arch/arm/dts/en7581-evb-u-boot.dtsi b/arch/arm/dts/en7581-evb-u-boot.dtsi
index ebd3b8b4958..6b084e3defe 100644
--- a/arch/arm/dts/en7581-evb-u-boot.dtsi
+++ b/arch/arm/dts/en7581-evb-u-boot.dtsi
@@ -9,3 +9,21 @@
 };
 
 #include "an7581-u-boot.dtsi"
+
+&gdm1 {
+	status = "okay";
+};
+
+&gdm2 {
+	// status = "okay";
+
+	managed = "in-band-status";
+	phy-mode = "10gbase-r";
+};
+
+&gdm4 {
+	status = "okay";
+
+	managed = "in-band-status";
+	phy-mode = "usxgmii";
+};
-- 
2.50.0