arm64: dts: Add Actions Semi S900 and Bubblegum-96

Add Device Trees for Actions Semiconductor S900 SoC and
uCRobotics Bubblegum-96 board.

UART0/1/4/6 interrupts are guesses.

Cc: 96boards@ucrobotics.com
Signed-off-by: Andreas Färber <afaerber@suse.de>

4 files changed, 205 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 080232b0270e..d1a6b0af12cf 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -1,3 +1,4 @@
+dts-dirs += actions
 dts-dirs += al
 dts-dirs += allwinner
 dts-dirs += altera
diff --git a/arch/arm64/boot/dts/actions/Makefile b/arch/arm64/boot/dts/actions/Makefile
new file mode 100644
index 000000000000..62922d688ce3
--- /dev/null
+++ b/arch/arm64/boot/dts/actions/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_ACTIONS) += s900-bubblegum-96.dtb
+
+always          := $(dtb-y)
+subdir-y        := $(dts-dirs)
+clean-files     := *.dtb
diff --git a/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts b/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts
new file mode 100644
index 000000000000..a0c3484dbd12
--- /dev/null
+++ b/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2017 Andreas Färber
+ *
+ * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+ */
+
+/dts-v1/;
+
+#include "s900.dtsi"
+
+/ {
+        compatible = "ucrobotics,bubblegum-96", "actions,s900";
+        model = "Bubblegum-96";
+
+        aliases {
+                serial5 = &uart5;
+        };
+
+        chosen {
+                stdout-path = "serial5:115200n8";
+        };
+
+        memory@0 {
+                device_type = "memory";
+                reg = <0x0 0x0 0x0 0x80000000>;
+        };
+};
+
+&timer {
+        clocks = <&hosc>;
+};
+
+&uart5 {
+        status = "okay";
+};
diff --git a/arch/arm64/boot/dts/actions/s900.dtsi b/arch/arm64/boot/dts/actions/s900.dtsi
new file mode 100644
index 000000000000..11406f6d3a6d
--- /dev/null
+++ b/arch/arm64/boot/dts/actions/s900.dtsi
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2017 Andreas Färber
+ *
+ * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+        compatible = "actions,s900";
+        interrupt-parent = <&gic>;
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        cpus {
+                #address-cells = <2>;
+                #size-cells = <0>;
+
+                cpu0: cpu@0 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53", "arm,armv8";
+                        reg = <0x0 0x0>;
+                        enable-method = "psci";
+                };
+
+                cpu1: cpu@1 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53", "arm,armv8";
+                        reg = <0x0 0x1>;
+                        enable-method = "psci";
+                };
+
+                cpu2: cpu@2 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53", "arm,armv8";
+                        reg = <0x0 0x2>;
+                        enable-method = "psci";
+                };
+
+                cpu3: cpu@3 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53", "arm,armv8";
+                        reg = <0x0 0x3>;
+                        enable-method = "psci";
+                };
+        };
+
+        reserved-memory {
+                #address-cells = <2>;
+                #size-cells = <2>;
+                ranges;
+
+                secmon@1f000000 {
+                        reg = <0x0 0x1f000000 0x0 0x1000000>;
+                        no-map;
+                };
+        };
+
+        psci {
+                compatible = "arm,psci-0.2";
+                method = "smc";
+        };
+
+        arm-pmu {
+                compatible = "arm,cortex-a53-pmu";
+                interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+                             <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+                             <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+                             <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+                interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+        };
+
+        timer {
+                compatible = "arm,armv8-timer";
+                interrupts = <GIC_PPI 13
+                        (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+                             <GIC_PPI 14
+                        (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+                             <GIC_PPI 11
+                        (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+                             <GIC_PPI 10
+                        (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+        };
+
+        hosc: hosc {
+                compatible = "fixed-clock";
+                clock-frequency = <24000000>;
+                #clock-cells = <0>;
+        };
+
+        soc {
+                compatible = "simple-bus";
+                #address-cells = <2>;
+                #size-cells = <2>;
+                ranges;
+
+                gic: interrupt-controller@e00f1000 {
+                        compatible = "arm,gic-400";
+                        reg = <0x0 0xe00f1000 0x0 0x1000>,
+                              <0x0 0xe00f2000 0x0 0x2000>,
+                              <0x0 0xe00f4000 0x0 0x2000>,
+                              <0x0 0xe00f6000 0x0 0x2000>;
+                        interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+                        interrupt-controller;
+                        #interrupt-cells = <3>;
+                };
+
+                uart0: serial@e0120000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe0120000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                uart1: serial@e0122000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe0122000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                uart2: serial@e0124000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe0124000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                uart3: serial@e0126000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe0126000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                uart4: serial@e0128000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe0128000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                uart5: serial@e012a000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe012a000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                uart6: serial@e012c000 {
+                        compatible = "actions,s900-uart", "actions,owl-uart";
+                        reg = <0x0 0xe012c000 0x0 0x2000>;
+                        interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+                        status = "disabled";
+                };
+
+                timer: timer@e0228000 {
+                        compatible = "actions,s900-timer";
+                        reg = <0x0 0xe0228000 0x0 0x8000>;
+                        interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+                        interrupt-names = "timer1";
+                };
+        };
+};