powerpc: Enable device tree support for P1020RDB
Add device tree for P1020RDB boards and enable CONFIG_OF_CONTROL
so that device tree can be compiled.
Update board README for device tree usage.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
diff --git a/arch/powerpc/dts/p1020.dtsi b/arch/powerpc/dts/p1020.dtsi
new file mode 100644
index 0000000..ee2b6f4
--- /dev/null
+++ b/arch/powerpc/dts/p1020.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * P1020 Silicon/SoC Device Tree Source (pre include)
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+/include/ "e500v2_power_isa.dtsi"
+
+/ {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&mpic>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: PowerPC,P1020@0 {
+ device_type = "cpu";
+ reg = <0>;
+ };
+ cpu1: PowerPC,P1020@1 {
+ device_type = "cpu";
+ reg = <1>;
+ };
+ };
+};