Allwinner A100 is a new SoC with Cortex-A53 cores, this commit adds
the basical DTSI file of it, including the clock, pins and UART support.
Signed-off-by: Frank Lee <frank@xxxxxxxxxxxxxxxxx>
---
.../arm64/boot/dts/allwinner/sun50i-a100.dtsi | 173 ++++++++++++++++++
1 file changed, 173 insertions(+)
create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
new file mode 100644
index 000000000000..bd9bf9b2f832
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (c) 2020 Frank Lee <frank@xxxxxxxxxxxxx>
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/sun50i-a100-ccu.h>
+#include <dt-bindings/clock/sun50i-a100-r-ccu.h>
+#include <dt-bindings/reset/sun50i-a100-ccu.h>
+#include <dt-bindings/reset/sun50i-a100-r-ccu.h>
+
+/ {
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ compatible = "arm,armv8";
+ device_type = "cpu";
+ reg = <0x0>;
+ enable-method = "psci";
+ };
+
+ cpu@1 {
+ compatible = "arm,armv8";
+ device_type = "cpu";
+ reg = <0x1>;
+ enable-method = "psci";
+ };
+
+ cpu@2 {
+ compatible = "arm,armv8";
+ device_type = "cpu";
+ reg = <0x2>;
+ enable-method = "psci";
+ };
+
+ cpu@3 {
+ compatible = "arm,armv8";
+ device_type = "cpu";
+ reg = <0x3>;
+ enable-method = "psci";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ iosc: internal-osc-clk {
+ compatible = "fixed-clock";
+ clock-frequency = <16000000>;
+ clock-accuracy = <300000000>;
+ clock-output-names = "iosc";
+ #clock-cells = <0>;
+ };
+
+ dcxo24M: dcxo24M_clk {
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ clock-output-names = "dcxo24M";
+ #clock-cells = <0>;
+ };
+
+ osc32k: osc32k_clk {
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ clock-output-names = "osc32k";
+ #clock-cells = <0>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ soc: soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ ccu: clock@3001000 {
+ compatible = "allwinner,sun50i-a100-ccu";
+ reg = <0x0 0x03001000 0x0 0x1000>;
+ clocks = <&dcxo24M>, <&osc32k>, <&iosc>;
+ clock-names = "hosc", "losc", "iosc";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ gic: interrupt-controller@3021000 {
+ compatible = "arm,gic-400";
+ reg = <0x0 0x03021000 0x0 0x1000>,
+ <0x0 0x03022000 0x0 0x2000>,
+ <0x0 0x03024000 0x0 0x2000>,
+ <0x0 0x03026000 0x0 0x2000>;
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_HIGH)>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ };
+
+ pio: pinctrl@300b000 {
+ compatible = "allwinner,sun50i-a100-pinctrl";
+ reg = <0x0 0x0300b000 0x0 0x400>;
+ interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_APB1>, <&dcxo24M>, <&osc32k>;
+ clock-names = "apb", "hosc", "losc";
+ gpio-controller;
+ #gpio-cells = <3>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+
+ uart0_pb_pins: uart0-pb-pins {
+ pins = "PB9", "PB10";
+ function = "uart0";
+ };
+ };
+
+ uart0: serial@5000000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x0 0x05000000 0x0 0x400>;
+ interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clocks = <&ccu CLK_BUS_UART0>;
+ resets = <&ccu RST_BUS_UART0>;
+ };
+
+ r_ccu: clock@7010000 {
+ compatible = "allwinner,sun50i-a100-r-ccu";
+ reg = <0x0 0x07010000 0x0 0x400>;
+ clocks = <&dcxo24M>, <&osc32k>, <&iosc>,
+ <&ccu CLK_PLL_PERIPH0>;
+ clock-names = "hosc", "losc", "iosc", "pll-periph";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ r_pio: pinctrl@7022000 {
+ compatible = "allwinner,sun50i-a100-r-pinctrl";
+ reg = <0x0 0x07022000 0x0 0x400>;
+ interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&r_ccu CLK_R_APB1>, <&dcxo24M>, <&osc32k>;
+ clock-names = "apb", "hosc", "losc";
+ gpio-controller;
+ #gpio-cells = <3>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ };
+ };
+};
--
2.24.0
