arm64: tegra: Add support for NVIDIA Shield TV

Add initial device-tree support for NVIDIA Shield TV (a.k.a. Darcy)
based upon Tegra210 SoC with 3 GiB of LPDDR4 RAM.

Signed-off-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
index 7c13d7d..6b8ab55 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/Makefile
+++ b/arch/arm64/boot/dts/nvidia/Makefile
@@ -4,5 +4,6 @@ dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-2180.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2571.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-smaug.dtb
+dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2894-0050-a08.dtb
 dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p2771-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p2972-0000.dtb

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2894-0050-a08.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2894-0050-a08.dts
new file mode 100644 (file)
index 0000000..7ffb351
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2894-0050-a08.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra210-p2894.dtsi"
+
+/ {
+       model = "NVIDIA Shield TV";
+       compatible = "nvidia,p2894-0050-a08", "nvidia,darcy", "nvidia,tegra210";
+};

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi
new file mode 100644 (file)
index 0000000..ac52286
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "tegra210.dtsi"
+
+/ {
+       aliases {
+               serial0 = &uarta;
+       };
+
+       chosen {
+               bootargs = "earlycon";
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory {
+               device_type = "memory";
+               reg = <0x0 0x80000000 0x0 0xc0000000>;
+       };
+
+       serial@70006000 {
+               status = "okay";
+       };
+
+       pmc@7000e400 {
+               nvidia,invert-interrupt;
+               nvidia,suspend-mode = <0>;
+               nvidia,cpu-pwr-good-time = <0>;
+               nvidia,cpu-pwr-off-time = <0>;
+               nvidia,core-pwr-good-time = <4587 3876>;
+               nvidia,core-pwr-off-time = <39065>;
+               nvidia,core-power-req-active-high;
+               nvidia,sys-clock-req-active-high;
+               status = "okay";
+       };
+
+       sdhci@700b0600 {
+               bus-width = <8>;
+               non-removable;
+               status = "okay";
+       };
+
+       clocks {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               clk32k_in: clock@0 {
+                       compatible = "fixed-clock";
+                       reg = <0>;
+                       #clock-cells = <0>;
+                       clock-frequency = <32768>;
+               };
+       };
+
+       cpus {
+               cpu@0 {
+                       enable-method = "psci";
+               };
+
+               cpu@1 {
+                       enable-method = "psci";
+               };
+
+               cpu@2 {
+                       enable-method = "psci";
+               };
+
+               cpu@3 {
+                       enable-method = "psci";
+               };
+       };
+
+       psci {
+               compatible = "arm,psci-1.0";
+               method = "smc";
+       };
+};