[PATCH v12 11/13] arm64: dts: ls1088a: Add serdes nodes

Sean Anderson sean.anderson at seco.com
Tue Mar 21 13:13:10 PDT 2023


This adds nodes for the SerDes devices. They are disabled by default
to prevent any breakage on existing boards.

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

(no changes since v10)

Changes in v10:
- Move serdes bindings to SoC dtsi
- Add support for all (ethernet) serdes modes
- Refer to "nodes" instead of "bindings"
- Move compatible/reg first

Changes in v4:
- Convert to new bindings

Changes in v3:
- New

 .../arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 126 ++++++++++++++++++
 1 file changed, 126 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index e5fb137ac02b..59b401daad4d 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -9,6 +9,7 @@
  */
 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/phy/phy.h>
 #include <dt-bindings/thermal/thermal.h>
 
 / {
@@ -238,6 +239,131 @@ reset: syscon at 1e60000 {
 			reg = <0x0 0x1e60000 0x0 0x10000>;
 		};
 
+		serdes1: serdes at 1ea0000 {
+			compatible = "fsl,ls1088a-serdes", "fsl,lynx-10g";
+			reg = <0x0 0x1ea0000 0x0 0x2000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			status = "disabled";
+
+			/*
+			 * XXX: Lane A uses pins SD1_RX3_P/N! That is, the lane
+			 * numbers and pin numbers are _reversed_.
+			 */
+			serdes1_A: phy at 0 {
+				#phy-cells = <0>;
+				reg = <0>;
+
+				/* SG3 */
+				sgmii-0 {
+					fsl,pccr = <0x8>;
+					fsl,index = <0>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_SGMII>;
+				};
+
+				/* QSGb */
+				qsgmii-0 {
+					fsl,pccr = <0x9>;
+					fsl,index = <0>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_QSGMII>;
+				};
+			};
+
+			serdes1_B: phy at 1 {
+				#phy-cells = <0>;
+				reg = <1>;
+
+				/* SG7 */
+				sgmii-1 {
+					fsl,pccr = <0x8>;
+					fsl,index = <1>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_SGMII>;
+				};
+
+				/* QSGa */
+				qsgmii-1 {
+					fsl,pccr = <0x9>;
+					fsl,index = <1>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_QSGMII>;
+				};
+
+				/* TODO: PCIe1 */
+			};
+
+			serdes1_C: phy at 2 {
+				#phy-cells = <0>;
+				reg = <2>;
+
+				/* SG1 */
+				sgmii-2 {
+					fsl,pccr = <0x8>;
+					fsl,index = <2>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_2500BASEX>;
+				};
+
+				/*
+				 * XFI1
+				 * Table 23-1 and section 23.5.16.4 disagree;
+				 * this reflects the table.
+				 *
+				 * fsl,cfg is documented as 1, but it is set to
+				 * 2 by the RCW! This is the same as the
+				 * LS1046A.
+				 */
+				xfi-0 {
+					fsl,pccr = <0xb>;
+					fsl,index = <0>;
+					fsl,cfg = <0x2>;
+					fsl,type = <PHY_TYPE_10GBASER>;
+				};
+			};
+
+			serdes1_D: phy at 3 {
+				#phy-cells = <0>;
+				reg = <3>;
+
+				/* SG2 */
+				sgmii-3 {
+					fsl,pccr = <0x8>;
+					fsl,index = <3>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_2500BASEX>;
+				};
+
+				/* QSGb */
+				qsgmii-0 {
+					fsl,pccr = <0x9>;
+					fsl,index = <0>;
+					fsl,cfg = <0x2>;
+					fsl,type = <PHY_TYPE_QSGMII>;
+				};
+
+				/* XFI2 */
+				xfi-1 {
+					fsl,pccr = <0xb>;
+					fsl,index = <1>;
+					fsl,cfg = <0x1>;
+					fsl,type = <PHY_TYPE_10GBASER>;
+				};
+			};
+
+		};
+
+		serdes2: serdes at 1eb0000 {
+			compatible = "fsl,ls1088a-serdes", "fsl,lynx-10g";
+			reg = <0x0 0x1eb0000 0x0 0x2000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			status = "disabled";
+		};
+
 		isc: syscon at 1f70000 {
 			compatible = "fsl,ls1088a-isc", "syscon";
 			reg = <0x0 0x1f70000 0x0 0x10000>;
-- 
2.35.1.1320.gc452695387.dirty




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