Add a device tree include file for the Microsemi Ocelot SoC.
Signed-off-by: Alexandre Belloni <[email protected]>
---
arch/mips/boot/dts/Makefile | 1 +
arch/mips/boot/dts/mscc/Makefile | 4 ++
arch/mips/boot/dts/mscc/ocelot.dtsi | 118 ++++++++++++++++++++++++++++++++++++
3 files changed, 123 insertions(+)
create mode 100644 arch/mips/boot/dts/mscc/Makefile
create mode 100644 arch/mips/boot/dts/mscc/ocelot.dtsi
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index e2c6f131c8eb..1e79cab8e269 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -4,6 +4,7 @@ subdir-y += cavium-octeon
subdir-y += img
subdir-y += ingenic
subdir-y += lantiq
+subdir-y += mscc
subdir-y += mti
subdir-y += netlogic
subdir-y += ni
diff --git a/arch/mips/boot/dts/mscc/Makefile b/arch/mips/boot/dts/mscc/Makefile
new file mode 100644
index 000000000000..f0a155a74e02
--- /dev/null
+++ b/arch/mips/boot/dts/mscc/Makefile
@@ -0,0 +1,4 @@
+obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
+
+# Force kbuild to make empty built-in.o if necessary
+obj- += dummy.o
diff --git a/arch/mips/boot/dts/mscc/ocelot.dtsi
b/arch/mips/boot/dts/mscc/ocelot.dtsi
new file mode 100644
index 000000000000..ddbb3449fa92
--- /dev/null
+++ b/arch/mips/boot/dts/mscc/ocelot.dtsi
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2017 Microsemi Corporation
+ *
+ * SPDX-License-Identifier: (GPL-2.0 OR MIT)
+ */
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "mscc,ocelot";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mips-hpt-frequency = <250000000>;
+
+ cpu@0 {
+ compatible = "mscc,ocelot";
+ device_type = "cpu";
+ reg = <0>;
+ };
+ };
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ cpuintc: interrupt-controller@0 {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ ahb_clk: ahb-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
+
+ ahb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ interrupt-parent = <&intc>;
+
+ cpu_ctrl: syscon@70000000 {
+ compatible = "syscon";
+ reg = <0x70000000 0x2c>;
+ };
+
+ intc: interrupt-controller@70000070 {
+ compatible = "mscc,ocelot-icpu-intr";
+ reg = <0x70000070 0x70>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ interrupt-parent = <&cpuintc>;
+ interrupts = <2>;
+ };
+
+ uart0: serial@70100000 {
+ pinctrl-0 = <&uart_pins>;
+ pinctrl-names = "default";
+ compatible = "ns16550a";
+ reg = <0x70100000 0x20>;
+ interrupts = <6>;
+ clocks = <&ahb_clk>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+
+ status = "disabled";
+ };
+
+ uart2: serial@70100800 {
+ pinctrl-0 = <&uart2_pins>;
+ pinctrl-names = "default";
+ compatible = "ns16550a";
+ reg = <0x70100800 0x20>;
+ interrupts = <7>;
+ clocks = <&ahb_clk>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+
+ status = "disabled";
+ };
+
+ chip_regs: syscon@71070000 {
+ compatible = "simple-mfd", "syscon";
+ reg = <0x71070000 0x1c>;
+
+ reset {
+ compatible = "mscc,ocelot-chip-reset";
+ mscc,cpucontrol = <&cpu_ctrl>;
+ };
+ };
+
+ gpio: pinctrl@71070034 {
+ compatible = "mscc,ocelot-pinctrl";
+ reg = <0x71070034 0x28>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&gpio 0 0 22>;
+
+ uart_pins: uart-pins {
+ pins = "GPIO_6", "GPIO_7";
+ function = "uart";
+ };
+
+ uart2_pins: uart2-pins {
+ pins = "GPIO_12", "GPIO_13";
+ function = "uart2";
+ };
+ };
+ };
+};
--
2.15.0
