Add initial dtsi file to support Synaptics AS370 SoC with quad
Cortex-A53 CPUs.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/synaptics/as370.dtsi | 177 +++++++++++++++++++++++
1 file changed, 177 insertions(+)
create mode 100644 arch/arm64/boot/dts/synaptics/as370.dtsi
diff --git a/arch/arm64/boot/dts/synaptics/as370.dtsi b/arch/arm64/boot/dts/synaptics/as370.dtsi
new file mode 100644
index 000000000000..20f3d658c566
--- /dev/null
+++ b/arch/arm64/boot/dts/synaptics/as370.dtsi
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2018 Synaptics Incorporated
+ *
+ * Author: Jisheng Zhang <jszhang@xxxxxxxxxx>
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "syna,as370";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ compatible = "arm,cortex-a53", "arm,armv8";
+ device_type = "cpu";
+ reg = <0x0>;
+ enable-method = "psci";
+ next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ };
+
+ cpu1: cpu@1 {
+ compatible = "arm,cortex-a53", "arm,armv8";
+ device_type = "cpu";
+ reg = <0x1>;
+ enable-method = "psci";
+ next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ };
+
+ cpu2: cpu@2 {
+ compatible = "arm,cortex-a53", "arm,armv8";
+ device_type = "cpu";
+ reg = <0x2>;
+ enable-method = "psci";
+ next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ };
+
+ cpu3: cpu@3 {
+ compatible = "arm,cortex-a53", "arm,armv8";
+ device_type = "cpu";
+ reg = <0x3>;
+ enable-method = "psci";
+ next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ };
+
+ l2: cache {
+ compatible = "cache";
+ };
+
+ idle-states {
+ entry-method = "psci";
+ CPU_SLEEP_0: cpu-sleep-0 {
+ compatible = "arm,idle-state";
+ local-timer-stop;
+ arm,psci-suspend-param = <0x0010000>;
+ entry-latency-us = <75>;
+ exit-latency-us = <155>;
+ min-residency-us = <1000>;
+ };
+ };
+ };
+
+ osc: osc {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
+ 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)>;
+ };
+
+ soc@f7000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0xf7000000 0x1000000>;
+
+ gic: interrupt-controller@901000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ reg = <0x901000 0x1000>,
+ <0x902000 0x2000>,
+ <0x904000 0x2000>,
+ <0x906000 0x2000>;
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ apb@e80000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0xe80000 0x10000>;
+
+ uart0: uart@0c00 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x0c00 0x100>;
+ interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc>;
+ reg-shift = <2>;
+ status = "disabled";
+ };
+
+ gpio0: gpio@1800 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x1800 0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ porta: gpio-port@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ snps,nr-gpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
+ gpio1: gpio@2000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x2000 0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ portb: gpio-port@1 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ snps,nr-gpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+ };
+ };
+};
--
2.18.0
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