[PATCH v7 8/8] [WIP] arm64: dts: ls1088ardb: Add serdes bindings

[Sean Anderson]

This is a first stab at adding serdes support on the LS1088A. Linux
hangs around when the serdes is initialized if the si5341 is enabled, so
it's commented out. The MC firmware needs to be fairly new (it must
support DPAA2_MAC_FEATURE_PROTOCOL_CHANGE), and the DPC needs to set the
macs to MAC_LINK_TYPE_BACKPLANE. For this reason, I think this will be
difficult to do in a backwards-compatible manner. I have not finished
testing this, but hopefully it can be a good starting point.

Signed-off-by: Sean Anderson <sean.anderson at seco.com>

---

(no changes since v4)

Changes in v4:
- Convert to new bindings

 .../boot/dts/freescale/fsl-ls1088a-rdb.dts    | 161 ++++++++++++++++++
 1 file changed, 161 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
index 1bfbce69cc8b..5c502048d887 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
@@ -10,17 +10,138 @@
 
 /dts-v1/;
 
+#include <dt-bindings/phy/phy.h>
+
 #include "fsl-ls1088a.dtsi"
 
 / {
 	model = "LS1088A RDB Board";
 	compatible = "fsl,ls1088a-rdb", "fsl,ls1088a";
+
+	clocks {
+		si5341_xtal: clock-48mhz {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <48000000>;
+		};
+
+		clk_100mhz: clock-100mhz {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <100000000>;
+		};
+
+		clk_156mhz: clock-156mhz {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <156250000>;
+		};
+	};
+
+	ovdd: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "ovdd";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	dvdd: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "dvdd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+};
+
+&serdes1 {
+	//clocks = <&si5341 0 8>, <&si5341 0 9>;
+	clocks = <&clk_100mhz>, <&clk_156mhz>;
+	clock-names = "ref0", "ref1";
+	status = "okay";
+
+	serdes1_0: phy at 0 {
+		#phy-cells = <0>;
+		reg = <0>;
+
+		/* SG2 */
+		sgmii-3 {
+			fsl,pccr = <0x8>;
+			fsl,index = <3>;
+			fsl,cfg = <0x1>;
+			phy-type = <PHY_TYPE_2500BASEX>;
+		};
+
+		/* XFI2 */
+		xfi-1 {
+			fsl,pccr = <0xb>;
+			fsl,index = <1>;
+			fsl,cfg = <0x1>;
+			phy-type = <PHY_TYPE_10GBASER>;
+		};
+	};
+
+	serdes1_1: phy at 1 {
+		#phy-cells = <0>;
+		reg = <1>;
+
+		/* SG1 */
+		sgmii-2 {
+			fsl,pccr = <0x8>;
+			fsl,index = <2>;
+			fsl,cfg = <0x1>;
+			phy-type = <PHY_TYPE_2500BASEX>;
+		};
+
+		/*
+		 * XFI2
+		 * Table 23-1 and section 23.5.16.4 disagree; this reflects the
+		 * table.
+		 */
+		xfi-0 {
+			fsl,pccr = <0xb>;
+			fsl,index = <0>;
+			fsl,cfg = <0x1>;
+			phy-type = <PHY_TYPE_10GBASER>;
+		};
+	};
+
+	serdes1_2: phy at 2 {
+		#phy-cells = <0>;
+		reg = <2>;
+
+		/* QSGb */
+		qsgmii-1 {
+			fsl,pccr = <0x9>;
+			fsl,index = <1>;
+			fsl,cfg = <0x1>;
+			phy-type = <PHY_TYPE_QSGMII>;
+		};
+	};
+
+	serdes1_3: phy at 2 {
+		#phy-cells = <0>;
+		reg = <2>;
+
+		/* QSGa */
+		qsgmii-0 {
+			fsl,pccr = <0x9>;
+			fsl,index = <0>;
+			fsl,cfg = <0x1>;
+			phy-type = <PHY_TYPE_QSGMII>;
+		};
+	};
+};
+
+&dpmac1 {
+	phys = <&serdes1_1>;
 };
 
 &dpmac2 {
 	phy-handle = <&mdio2_aquantia_phy>;
 	phy-connection-type = "10gbase-r";
 	pcs-handle = <&pcs2>;
+	phys = <&serdes1_0>;
 };
 
 &dpmac3 {
@@ -28,6 +149,7 @@ &dpmac3 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_0>;
+	phys = <&serdes1_3>;
 };
 
 &dpmac4 {
@@ -35,6 +157,7 @@ &dpmac4 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_1>;
+	phys = <&serdes1_3>;
 };
 
 &dpmac5 {
@@ -42,6 +165,7 @@ &dpmac5 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_2>;
+	phys = <&serdes1_3>;
 };
 
 &dpmac6 {
@@ -49,6 +173,7 @@ &dpmac6 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_3>;
+	phys = <&serdes1_3>;
 };
 
 &dpmac7 {
@@ -56,6 +181,7 @@ &dpmac7 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_0>;
+	phys = <&serdes1_2>;
 };
 
 &dpmac8 {
@@ -63,6 +189,7 @@ &dpmac8 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_1>;
+	phys = <&serdes1_2>;
 };
 
 &dpmac9 {
@@ -70,6 +197,7 @@ &dpmac9 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_2>;
+	phys = <&serdes1_2>;
 };
 
 &dpmac10 {
@@ -77,6 +205,7 @@ &dpmac10 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_3>;
+	phys = <&serdes1_2>;
 };
 
 &emdio1 {
@@ -142,6 +271,38 @@ i2c-switch at 77 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		i2c at 1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x1>;
+
+			si5341: clock-generator at 74 {
+				#address-cells = <1>;
+				#clock-cells = <2>;
+				#size-cells = <0>;
+				compatible = "silabs,si5341";
+				reg = <0x74>;
+				clocks = <&si5341_xtal>;
+				clock-names = "xtal";
+				vdd-supply = <&ovdd>;
+				vdda-supply = <&dvdd>;
+				vddo8-supply = <&ovdd>;
+				vddo9-supply = <&ovdd>;
+				silabs,iovdd-33;
+				status = "disabled";
+
+				out at 8 {
+					reg = <8>;
+					silabs,format = <1>;
+				};
+
+				out at 9 {
+					reg = <9>;
+					silabs,format = <1>;
+				};
+			};
+		};
+
 		i2c at 2 {
 			#address-cells = <1>;
 			#size-cells = <0>;
-- 
2.35.1.1320.gc452695387.dirty