ARM: dts: stm32mp: factor out common DK nodes into dtsi

The DK2 appears to be just the DK1 with a display, thus factor out the
barebox-specifics into a new stm32mp157a-dk1.dtsi, which we can include
in both device trees after including the upstream device tree.

As the updated device tree introduced new nodes, the now duplicates
(&ethernet0, &uart4, /chosen and /aliases) are dropped from the barebox
device as part of this commit as well.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

3 files changed, 27 insertions, 64 deletions

diff --git a/arch/arm/dts/stm32mp157a-dk1.dts b/arch/arm/dts/stm32mp157a-dk1.dts
index 62c28d396f..f2cafae66b 100644
--- a/arch/arm/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/dts/stm32mp157a-dk1.dts
@@ -4,59 +4,5 @@
  * Author: Alexandre Torgue <alexandre.torgue@st.com>.
  */
 
-/dts-v1/;
-
-#include <arm/stm32mp157c.dtsi>
-#include <arm/stm32mp157-pinctrl.dtsi>
-#include "stm32mp157c.dtsi"
-
-/ {
-	model = "STMicroelectronics STM32MP157A-DK1 Discovery Board";
-	compatible = "st,stm32mp157a-dk1", "st,stm32mp157";
-
-	aliases {
-		ethernet0 = &ethernet0;
-		serial0 = &uart4;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
-	sram: sram@10050000 {
-		compatible = "mmio-sram";
-		reg = <0x10050000 0x10000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0 0x10050000 0x10000>;
-
-		dma_pool: dma_pool@0 {
-			reg = <0x0 0x10000>;
-			pool;
-		};
-	};
-};
-
-&ethernet0 {
-	status = "okay";
-	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
-	pinctrl-names = "default", "sleep";
-	phy-mode = "rgmii";
-	max-speed = <1000>;
-	phy-handle = <&phy0>;
-
-	mdio0 {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		compatible = "snps,dwmac-mdio";
-		phy0: ethernet-phy@0 {
-			reg = <0>;
-		};
-	};
-};
-
-&uart4 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart4_pins_a>;
-	status = "okay";
-};
+#include <arm/stm32mp157a-dk1.dts>
+#include "stm32mp157a-dk1.dtsi"
diff --git a/arch/arm/dts/stm32mp157a-dk1.dtsi b/arch/arm/dts/stm32mp157a-dk1.dtsi
new file mode 100644
index 0000000000..8cc70129b2
--- /dev/null
+++ b/arch/arm/dts/stm32mp157a-dk1.dtsi
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@st.com>.
+ */
+
+#include "stm32mp157c.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	sram: sram@10050000 {
+		compatible = "mmio-sram";
+		reg = <0x10050000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x10050000 0x10000>;
+
+		dma_pool: dma_pool@0 {
+			reg = <0x0 0x10000>;
+			pool;
+		};
+	};
+};
diff --git a/arch/arm/dts/stm32mp157c-dk2.dts b/arch/arm/dts/stm32mp157c-dk2.dts
index 7565cabc3d..6e73162ea4 100644
--- a/arch/arm/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/dts/stm32mp157c-dk2.dts
@@ -4,11 +4,5 @@
  * Author: Alexandre Torgue <alexandre.torgue@st.com>.
  */
 
-/dts-v1/;
-
-#include "stm32mp157a-dk1.dts"
-
-/ {
-	model = "STMicroelectronics STM32MP157C-DK2 Discovery Board";
-	compatible = "st,stm32mp157c-dk2", "st,stm32mp157";
-};
+#include <arm/stm32mp157c-dk2.dts>
+#include "stm32mp157a-dk1.dtsi"