arm64: zynqmp: Do not use '_' in DT node names

Using '_' is not recommended for node names. Use '-' instead.
Pretty much run seds below for node names.
s/heartbeat_led/heartbeat-led/
s/gtr_sel/gtr-sel/
s/zynqmp_ipi/zynqmp-ipi/
s/nvmem_firmware/nvmem-firmware/
s/soc_revision/soc-revision/

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/dd33d6cb0595ffedab117d477f4a3c9d9eb11715.1695808665.git.michal.simek@amd.com
diff --git a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
index cfd5ba1..25ef646 100644
--- a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
@@ -363,25 +363,25 @@
 				#gpio-cells = <2>;
 				gpio-line-names = "sw4_1", "sw4_2", "sw4_3", "sw4_4",
 						  "", "", "", "";
-				gtr_sel0 {
+				gtr-sel0 {
 					gpio-hog;
 					gpios = <0 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_1";
 				};
-				gtr_sel1 {
+				gtr-sel1 {
 					gpio-hog;
 					gpios = <1 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_2";
 				};
-				gtr_sel2 {
+				gtr-sel2 {
 					gpio-hog;
 					gpios = <2 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_3";
 				};
-				gtr_sel3 {
+				gtr-sel3 {
 					gpio-hog;
 					gpios = <3 0>;
 					input; /* FIXME add meaning */
diff --git a/arch/arm/dts/zynqmp-m-a2197-02-revA.dts b/arch/arm/dts/zynqmp-m-a2197-02-revA.dts
index 18e1438..ece9e69 100644
--- a/arch/arm/dts/zynqmp-m-a2197-02-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-02-revA.dts
@@ -365,25 +365,25 @@
 				#gpio-cells = <2>;
 				gpio-line-names = "sw4_1", "sw4_2", "sw4_3", "sw4_4",
 						  "", "", "", "";
-				gtr_sel0 {
+				gtr-sel0 {
 					gpio-hog;
 					gpios = <0 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_1";
 				};
-				gtr_sel1 {
+				gtr-sel1 {
 					gpio-hog;
 					gpios = <1 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_2";
 				};
-				gtr_sel2 {
+				gtr-sel2 {
 					gpio-hog;
 					gpios = <2 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_3";
 				};
-				gtr_sel3 {
+				gtr-sel3 {
 					gpio-hog;
 					gpios = <3 0>;
 					input; /* FIXME add meaning */
diff --git a/arch/arm/dts/zynqmp-m-a2197-03-revA.dts b/arch/arm/dts/zynqmp-m-a2197-03-revA.dts
index cd7654a..7372968 100644
--- a/arch/arm/dts/zynqmp-m-a2197-03-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-03-revA.dts
@@ -359,25 +359,25 @@
 				#gpio-cells = <2>;
 				gpio-line-names = "sw4_1", "sw4_2", "sw4_3", "sw4_4",
 						  "", "", "", "";
-				gtr_sel0 {
+				gtr-sel0 {
 					gpio-hog;
 					gpios = <0 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_1";
 				};
-				gtr_sel1 {
+				gtr-sel1 {
 					gpio-hog;
 					gpios = <1 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_2";
 				};
-				gtr_sel2 {
+				gtr-sel2 {
 					gpio-hog;
 					gpios = <2 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_3";
 				};
-				gtr_sel3 {
+				gtr-sel3 {
 					gpio-hog;
 					gpios = <3 0>;
 					input; /* FIXME add meaning */
diff --git a/arch/arm/dts/zynqmp-p-a2197-00-revA.dts b/arch/arm/dts/zynqmp-p-a2197-00-revA.dts
index 97b9cdf..c456c37 100644
--- a/arch/arm/dts/zynqmp-p-a2197-00-revA.dts
+++ b/arch/arm/dts/zynqmp-p-a2197-00-revA.dts
@@ -427,25 +427,25 @@
 				#gpio-cells = <2>;
 				gpio-line-names = "sw4_1", "sw4_2", "sw4_3", "sw4_4",
 						  "", "", "", "";
-				gtr_sel0 {
+				gtr-sel0 {
 					gpio-hog;
 					gpios = <0 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_1";
 				};
-				gtr_sel1 {
+				gtr-sel1 {
 					gpio-hog;
 					gpios = <1 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_2";
 				};
-				gtr_sel2 {
+				gtr-sel2 {
 					gpio-hog;
 					gpios = <2 0>;
 					input; /* FIXME add meaning */
 					line-name = "sw4_3";
 				};
-				gtr_sel3 {
+				gtr-sel3 {
 					gpio-hog;
 					gpios = <3 0>;
 					input; /* FIXME add meaning */
diff --git a/arch/arm/dts/zynqmp-zcu208-revA.dts b/arch/arm/dts/zynqmp-zcu208-revA.dts
index d09e53f..22ad8d3 100644
--- a/arch/arm/dts/zynqmp-zcu208-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu208-revA.dts
@@ -57,7 +57,7 @@
 
 	leds {
 		compatible = "gpio-leds";
-		heartbeat_led {
+		heartbeat-led {
 			label = "heartbeat";
 			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
diff --git a/arch/arm/dts/zynqmp-zcu216-revA.dts b/arch/arm/dts/zynqmp-zcu216-revA.dts
index fd02634..575ff5b 100644
--- a/arch/arm/dts/zynqmp-zcu216-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu216-revA.dts
@@ -57,7 +57,7 @@
 
 	leds {
 		compatible = "gpio-leds";
-		heartbeat_led {
+		heartbeat-led {
 			label = "heartbeat";
 			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 30bd7b4..f03c201 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -136,7 +136,7 @@
 		};
 	};
 
-	zynqmp_ipi: zynqmp_ipi {
+	zynqmp_ipi: zynqmp-ipi {
 		bootph-all;
 		compatible = "xlnx,zynqmp-ipi-mailbox";
 		interrupt-parent = <&gic>;
@@ -206,12 +206,12 @@
 				mbox-names = "tx", "rx";
 			};
 
-			nvmem_firmware {
+			nvmem-firmware {
 				compatible = "xlnx,zynqmp-nvmem-fw";
 				#address-cells = <1>;
 				#size-cells = <1>;
 
-				soc_revision: soc_revision@0 {
+				soc_revision: soc-revision@0 {
 					reg = <0x0 0x4>;
 				};
 			};