linux-kernel - [PATCH net-next v3 47/47] [WIP] arm64: dts: ls1088ardb: Add serdes bindings

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Date:   Fri, 15 Jul 2022 17:59:54 -0400
From:   Sean Anderson <sean.anderson@...o.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Madalin Bucur <madalin.bucur@....com>, netdev@...r.kernel.org
Cc:     Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>,
        linux-arm-kernel@...ts.infradead.org,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org,
        Sean Anderson <sean.anderson@...o.com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Li Yang <leoyang.li@....com>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        devicetree@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: [PATCH net-next v3 47/47] [WIP] arm64: dts: ls1088ardb: Add serdes bindings

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. I also discovered that I have too old MC firmware to
reconfigure the phy interface mode. Consider all the LS1088A parts of
this series to be untested, but hopefully they can be a good starting
point.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---

(no changes since v1)

 .../boot/dts/freescale/fsl-ls1088a-rdb.dts    | 87 +++++++++++++++++++
 1 file changed, 87 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..5875709f7f8b 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
@@ -15,12 +15,59 @@
 / {
 	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";
+};
+
+&dpmac1 {
+	phys = <&serdes1 1>;
 };
 
 &dpmac2 {
 	phy-handle = <&mdio2_aquantia_phy>;
 	phy-connection-type = "10gbase-r";
 	pcs-handle = <&pcs2>;
+	phys = <&serdes1 0>;
 };
 
 &dpmac3 {
@@ -28,6 +75,7 @@ &dpmac3 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_0>;
+	phys = <&serdes1 3>;
 };
 
 &dpmac4 {
@@ -35,6 +83,7 @@ &dpmac4 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_1>;
+	phys = <&serdes1 3>;
 };
 
 &dpmac5 {
@@ -42,6 +91,7 @@ &dpmac5 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_2>;
+	phys = <&serdes1 3>;
 };
 
 &dpmac6 {
@@ -49,6 +99,7 @@ &dpmac6 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs3_3>;
+	phys = <&serdes1 3>;
 };
 
 &dpmac7 {
@@ -56,6 +107,7 @@ &dpmac7 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_0>;
+	phys = <&serdes1 2>;
 };
 
 &dpmac8 {
@@ -63,6 +115,7 @@ &dpmac8 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_1>;
+	phys = <&serdes1 2>;
 };
 
 &dpmac9 {
@@ -70,6 +123,7 @@ &dpmac9 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_2>;
+	phys = <&serdes1 2>;
 };
 
 &dpmac10 {
@@ -77,6 +131,7 @@ &dpmac10 {
 	phy-connection-type = "qsgmii";
 	managed = "in-band-status";
 	pcs-handle = <&pcs7_3>;
+	phys = <&serdes1 2>;
 };
 
 &emdio1 {
@@ -142,6 +197,38 @@ i2c-switch@77 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x1>;
+
+			si5341: clock-generator@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@8 {
+					reg = <8>;
+					silabs,format = <1>;
+				};
+
+				out@9 {
+					reg = <9>;
+					silabs,format = <1>;
+				};
+			};
+		};
+
 		i2c@2 {
 			#address-cells = <1>;
 			#size-cells = <0>;
-- 
2.35.1.1320.gc452695387.dirty