[PATCH 3/3] arm64: dts: nuvoton: Add initial support for MA35D1

Jacky Huang ychuang3 at nuvoton.com
Mon Mar 7 01:19:23 PST 2022


Add the initial device tree files for Nuvoton MA35D1 Soc.

Signed-off-by: Jacky Huang <ychuang3 at nuvoton.com>
---
 arch/arm64/boot/dts/Makefile               |   1 +
 arch/arm64/boot/dts/nuvoton/Makefile       |   2 +
 arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts |  23 +++++
 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi    | 106 +++++++++++++++++++++
 4 files changed, 132 insertions(+)
 create mode 100644 arch/arm64/boot/dts/nuvoton/Makefile
 create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts
 create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 639e01a4d855..28e01442094f 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -30,3 +30,4 @@ subdir-y += synaptics
 subdir-y += ti
 subdir-y += toshiba
 subdir-y += xilinx
+subdir-y += nuvoton
diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile
new file mode 100644
index 000000000000..e1e0c466bf5e
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_NUVOTON) += ma35d1-evb.dtb
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts
new file mode 100644
index 000000000000..38e4f734da0f
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for MA35D1 Evaluation Board (EVB)
+ *
+ * Copyright (C) 2021 Nuvoton Technology Corp.
+ */
+
+/dts-v1/;
+#include "ma35d1.dtsi"
+
+/ {
+       model = "Nuvoton MA35D1-EVB";
+
+       chosen {
+               bootargs = "console=ttyS0,115200n8";
+       };
+
+       memory at 80000000 {
+               device_type = "memory";
+               reg = <0x00000000 0x80000000 0 0x10000000>;
+       };
+};
+
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
new file mode 100644
index 000000000000..27adac4975c3
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Nuvoton Technology Corp.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+/ {
+       compatible = "nuvoton,ma35d1";
+       interrupt-parent = <&gic>;
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       cpus {
+               #address-cells = <2>;
+               #size-cells = <0>;
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&cpu0>;
+                               };
+                               core1 {
+                                       cpu = <&cpu1>;
+                               };
+                       };
+               };
+               cpu0: cpu at 0 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a35";
+                       reg = <0x0 0x0>;
+                       enable-method = "psci";
+                       next-level-cache = <&L2_0>;
+               };
+               cpu1: cpu at 1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a35";
+                       reg = <0x0 0x1>;
+                       enable-method = "psci";
+                       next-level-cache = <&L2_0>;
+               };
+               L2_0: l2-cache0 {
+                       compatible = "cache";
+                       cache-level = <2>;
+               };
+       };
+
+       psci {
+               compatible = "arm,psci-0.2";
+               method = "smc";
+       };
+
+       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)>;
+               clock-frequency = <12000000>;
+       };
+
+       sys: system-controller at 40460000 {
+               compatible = "nuvoton,ma35d1-sys", "syscon", "simple-mfd";
+               reg = <0x0 0x40460000 0x0 0x200>;
+       };
+
+       reset: reset-controller {
+               compatible = "nuvoton,ma35d1-reset";
+               nuvoton,ma35d1-sys = <&sys>;
+               #reset-cells = <1>;
+       };
+
+       clk: clock-controller at 40460200 {
+               compatible = "nuvoton,ma35d1-clk";
+               reg = <0x00000000 0x40460200 0x0 0x100>;
+               #clock-cells = <1>;
+               assigned-clocks = <&clk DDRPLL>,
+                                 <&clk APLL>,
+                                 <&clk EPLL>,
+                                 <&clk VPLL>;
+               assigned-clock-rates = <266000000>,
+                                      <180000000>,
+                                      <500000000>,
+                                      <102000000>;
+               clock-pll-mode = <1>, <0>, <0>, <0>;
+       };
+
+       gic: interrupt-controller at 50800000 {
+               compatible = "arm,gic-400";
+               #interrupt-cells = <3>;
+               interrupt-parent = <&gic>;
+               interrupt-controller;
+               reg = <0x0 0x50801000 0 0x1000>,
+                     <0x0 0x50802000 0 0x2000>,
+                     <0x0 0x50804000 0 0x2000>,
+                     <0x0 0x50806000 0 0x2000>;
+               interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0x13) |
+                                        IRQ_TYPE_LEVEL_HIGH)>;
+       };
+};
--
2.17.1

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