This adds the Renesas RZ/N1 Family (Part #R9A06G0xx) SoC
bare bone support.
This currently only handles generic parts (gic, architected timer)
and a UART.
For simplicity sake, this also relies on the bootloader to set the
pinctrl and clocks.
Signed-off-by: Michel Pollet <michel.pollet@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r9a06g0xx.dtsi | 96 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
create mode 100644 arch/arm/boot/dts/r9a06g0xx.dtsi
diff --git a/arch/arm/boot/dts/r9a06g0xx.dtsi b/arch/arm/boot/dts/r9a06g0xx.dtsi
new file mode 100644
index 0000000..c6eeee3
--- /dev/null
+++ b/arch/arm/boot/dts/r9a06g0xx.dtsi
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Base Device Tree Source for the Renesas RZ/N1 SoC Family of devices
+ *
+ * Copyright (C) 2018 Renesas Electronics Europe Limited
+ *
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "renesas,rzn1";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0>;
+ };
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <1>;
+ };
+ };
+ clocks {
+ /*
+ * this is fixed clock for now,
+ * until the clock driver is merged
+ */
+ clkuarts: clkuarts {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <47619047>;
+ };
+ };
+ arch-timer {
+ compatible = "arm,cortex-a7-timer",
+ "arm,armv7-timer";
+ interrupt-parent = <&gic>;
+ arm,cpu-registers-not-fw-configured;
+ interrupts =
+ <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>;
+ };
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&gic>;
+ ranges;
+
+ gic: gic@44101000 {
+ compatible = "arm,cortex-a7-gic", "arm,gic-400";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0x44101000 0x1000>, /* Distributer */
+ <0x44102000 0x2000>, /* CPU interface */
+ <0x44104000 0x2000>, /* Virt interface control */
+ <0x44106000 0x2000>; /* Virt CPU interface */
+ interrupts =
+ <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_HIGH)>;
+ };
+ sysctrl: sysctrl@4000c000 {
+ compatible = "renesas,rzn1-sysctrl", "syscon",
+ "simple-mfd";
+ reg = <0x4000c000 0x1000>;
+
+ reboot {
+ compatible = "renesas,rzn1-reboot";
+ };
+ };
+ uart0: serial@40060000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x40060000 0x400>;
+ interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clocks = <&clkuarts>;
+ clock-names = "baudclk";
+ status = "disabled";
+ };
+ };
+};
--
2.7.4
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