From: Joseph Lo <josephl@xxxxxxxxxx>
This adds the initial support of Tegra186 SoC. It provides enough to
enable the serial console and boot from an initial ramdisk.
Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 86 ++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 arch/arm64/boot/dts/nvidia/tegra186.dtsi
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
new file mode 100644
index 000000000000..53b89b1c1e1f
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -0,0 +1,86 @@
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/mailbox/tegra186-hsp.h>
+
+/ {
+ compatible = "nvidia,tegra186";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ uarta: serial@03100000 {
+ compatible = "nvidia,tegra186-uart", "nvidia,tegra20-uart";
+ reg = <0x0 0x03100000 0x0 0x40>;
+ reg-shift = <2>;
+ interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ gic: interrupt-controller@03881000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ reg = <0x0 0x03881000 0x0 0x1000>,
+ <0x0 0x03882000 0x0 0x2000>;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ interrupt-parent = <&gic>;
+ };
+
+ hsp_top0: hsp@03c00000 {
+ compatible = "nvidia,tegra186-hsp";
+ reg = <0x0 0x03c00000 0x0 0xa0000>;
+ interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "doorbell";
+ #mbox-cells = <2>;
+ status = "disabled";
+ };
+
+ sysram@30000000 {
+ compatible = "nvidia,tegra186-sysram", "mmio-ram";
+ reg = <0x0 0x30000000 0x0 0x4ffff>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0 0x0 0x0 0x30000000 0x0 0x4ffff>;
+
+ cpu_bpmp_tx: bpmp_shmem@4e000 {
+ compatible = "nvidia,tegra186-bpmp-shmem";
+ reg = <0x0 0x4e000 0x0 0x1000>;
+ };
+
+ cpu_bpmp_rx: bpmp_shmem@4f000 {
+ compatible = "nvidia,tegra186-bpmp-shmem";
+ reg = <0x0 0x4f000 0x0 0x1000>;
+ };
+ };
+
+ bpmp: bpmp {
+ compatible = "nvidia,tegra186-bpmp";
+ mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB
+ TEGRA_HSP_DB_MASTER_BPMP>;
+ shmem = <&cpu_bpmp_tx &cpu_bpmp_rx>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ bpmp_i2c: i2c {
+ compatible = "nvidia,tegra186-bpmp-i2c";
+ nvidia,bpmp = <&bpmp>;
+ nvidia,bpmp-bus-id = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ };
+
+ 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)>;
+ interrupt-parent = <&gic>;
+ };
+};
--
2.9.0
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