arm64: dts: split out a shared imx8mq-librem5-r3.dtsi description

The Librem 5 r3 ("Dogwood") and r4 ("Evergreen") revisions are quite
similar. Add a shared imx8mq-librem5-r3.dtsi description to be included
in r3 and later dts files in order to avoid duplication.

This is no change in the descriptions but only refactoring.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-// Copyright (C) 2020 Purism SPC <kernel@puri.sm>
+// Copyright (C) 2021 Purism SPC <kernel@puri.sm>
 
 /dts-v1/;
 
-#include "imx8mq-librem5.dtsi"
-
-/ {
-	model = "Purism Librem 5r3";
-	compatible = "purism,librem5r3", "purism,librem5", "fsl,imx8mq";
-};
+#include "imx8mq-librem5-r3.dtsi"
 
 &a53_opp_table {
 	opp-1000000000 {
@@ -16,22 +11,6 @@ opp-1000000000 {
 	};
 };
 
-&accel_gyro {
-	mount-matrix =  "1",  "0",  "0",
-			"0",  "1",  "0",
-			"0",  "0", "-1";
-};
-
-&bq25895 {
-	ti,battery-regulation-voltage = <4200000>; /* uV */
-	ti,charge-current = <1500000>; /* uA */
-	ti,termination-current = <144000>;  /* uA */
-};
-
 &buck3_reg {
 	regulator-always-on;
 };
-
-&proximity {
-	proximity-near-level = <25>;
-};

arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (C) 2021 Purism SPC <kernel@puri.sm>
+
+/dts-v1/;
+
+/*
+ * This file describes hardware that is shared among r3 ("Dogwood") and
+ * later revisions of the Librem 5 so it has to be included in dts there.
+ */
+
+#include "imx8mq-librem5.dtsi"
+
+/ {
+	model = "Purism Librem 5r3";
+	compatible = "purism,librem5r3", "purism,librem5", "fsl,imx8mq";
+};
+
+&accel_gyro {
+	mount-matrix =  "1",  "0",  "0",
+			"0",  "1",  "0",
+			"0",  "0", "-1";
+};
+
+&bq25895 {
+	ti,battery-regulation-voltage = <4200000>; /* uV */
+	ti,charge-current = <1500000>; /* uA */
+	ti,termination-current = <144000>;  /* uA */
+};
+
+&proximity {
+	proximity-near-level = <25>;
+};

arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dts

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-// Copyright (C) 2020 Purism SPC <kernel@puri.sm>
+// Copyright (C) 2021 Purism SPC <kernel@puri.sm>
 
 /dts-v1/;
 
-#include "imx8mq-librem5.dtsi"
+#include "imx8mq-librem5-r3.dtsi"
 
 / {
 	model = "Purism Librem 5r4";
 	compatible = "purism,librem5r4", "purism,librem5", "fsl,imx8mq";
 };
 
-&accel_gyro {
-	mount-matrix =  "1",  "0",  "0",
-			"0",  "1",  "0",
-			"0",  "0", "-1";
-};
-
 &bat {
 	maxim,rsns-microohm = <1667>;
 };
 
-&bq25895 {
-	ti,battery-regulation-voltage = <4200000>; /* uV */
-	ti,charge-current = <1500000>; /* uA */
-	ti,termination-current = <144000>;  /* uA */
-};
-
 &led_backlight {
 	led-max-microamp = <25000>;
 };