m68k: add basic set of devicetrees
This patch adds a basic group of devicetrees, one for each
cpu family, including actually just uart and dspi devices,
since these are the drivers supporting devicetree (support
added in this patch-set).
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/m68k/dts/mcf54xx.dtsi b/arch/m68k/dts/mcf54xx.dtsi
new file mode 100644
index 0000000..537bb42
--- /dev/null
+++ b/arch/m68k/dts/mcf54xx.dtsi
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/ {
+ compatible = "fsl,mcf54x5";
+
+ aliases {
+ /* TO DO, clarify on serial, this SoC seems to have SPC and
+ * no UARTS.
+ */
+ spi0 = &dspi0;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mbar: mbar@80000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x80000000 0x10000>;
+ reg = <0x80000000 0x10000>;
+
+ dspi0: dspi@8a00 {
+ compatible = "fsl,mcf-dspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x8a00 0x100>;
+ spi-max-frequency = <50000000>;
+ num-cs = <4>;
+ spi-mode = <0>;
+ status = "disabled";
+ };
+ };
+ };
+};