[PATCH v4 2/4] arm64: dts: imx8m: add SoC ID compatible

[Alice Guo]

Add compatible string to .dtsi files for binding of imx8_soc_info and
device.

v2: remove the subject prefix "LF-2571-2"
v3: none
v4: change subject and commit message, add Reviewed-by

Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Signed-off-by: Alice Guo <alice.guo@xxxxxxx>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 2 +-
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +-
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +-
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index c824f2615fe8..d457ce815e68 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -257,7 +257,7 @@
 	};

 	soc@0 {
-		compatible = "simple-bus";
+		compatible = "fsl,imx8mm-soc", "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x0 0x3e000000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index a06d2a6268e6..6d3a809a00fd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -241,7 +241,7 @@
 	};

 	soc@0 {
-		compatible = "simple-bus";
+		compatible = "fsl,imx8mn-soc", "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x0 0x3e000000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index ecccfbb4f5ad..ec6ac523ecfc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -218,7 +218,7 @@
 	};

 	soc@0 {
-		compatible = "simple-bus";
+		compatible = "fsl,imx8mp-soc", "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x0 0x3e000000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index a841a023e8e0..9b6d9307e5d7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -286,7 +286,7 @@
 	};
 
 	soc@0 {
-		compatible = "simple-bus";
+		compatible = "fsl,imx8mq-soc", "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x0 0x3e000000>;
-- 
2.17.1