[PATCH 2/3] arm64: dts: imx8ulp: Add the fec support

Wei Fang wei.fang at nxp.com
Mon Jul 4 03:10:55 PDT 2022


Add the fec support on i.MX8ULP platforms.

Signed-off-by: Wei Fang <wei.fang at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index 60c1b018bf03..822f3aea46e1 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -16,6 +16,7 @@ / {
 	#size-cells = <2>;
 
 	aliases {
+		ethernet0 = &fec;
 		gpio0 = &gpiod;
 		gpio1 = &gpioe;
 		gpio2 = &gpiof;
@@ -137,6 +138,19 @@ scmi_sensor: protocol at 15 {
 		};
 	};
 
+	clock_ext_rmii: clock-ext-rmii {
+		compatible = "fixed-clock";
+		clock-frequency = <50000000>;
+		#clock-cells = <0>;
+		clock-output-names = "ext_rmii_clk";
+	};
+
+	clock_ext_ts: clock-ext-ts {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-output-names = "ext_ts_clk";
+	};
+
 	soc: soc at 0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -365,6 +379,21 @@ usdhc2: mmc at 298f0000 {
 				bus-width = <4>;
 				status = "disabled";
 			};
+
+			fec: ethernet at 29950000 {
+				compatible = "fsl,imx8ulp-fec", "fsl,imx6ul-fec";
+				reg = <0x29950000 0x10000>;
+				interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "int0";
+				clocks = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>,
+					 <&pcc4 IMX8ULP_CLK_ENET>,
+					 <&cgc1 IMX8ULP_CLK_ENET_TS_SEL>,
+					 <&clock_ext_rmii>;
+				clock-names = "ipg", "ahb", "ptp", "enet_clk_ref";
+				fsl,num-tx-queues = <1>;
+				fsl,num-rx-queues = <1>;
+				status = "disabled";
+			};
 		};
 
 		gpioe: gpio at 2d000080 {
-- 
2.25.1




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