[PATCH 9/9] arm64: tegra: Initial Tegra234 VDK support

[Jon Hunter]

On 16/07/2020 15:18, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> The NVIDIA Tegra234 VDK is a simulation platform for the Orin SoC. It
> supports a subset of the peripherals that will be available in the final
> chip and serves as a bootstrapping platform.
> 
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
>  arch/arm64/boot/dts/nvidia/Makefile           |   1 +
>  .../boot/dts/nvidia/tegra234-sim-vdk.dts      |  40 ++++
>  arch/arm64/boot/dts/nvidia/tegra234.dtsi      | 191 ++++++++++++++++++
>  drivers/soc/tegra/Kconfig                     |  10 +
>  include/dt-bindings/clock/tegra234-clock.h    |  14 ++
>  include/dt-bindings/reset/tegra234-reset.h    |  10 +
>  6 files changed, 266 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/nvidia/tegra234-sim-vdk.dts
>  create mode 100644 arch/arm64/boot/dts/nvidia/tegra234.dtsi
>  create mode 100644 include/dt-bindings/clock/tegra234-clock.h
>  create mode 100644 include/dt-bindings/reset/tegra234-reset.h
> 
> diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
> index 2273fc5db19c..9296d12d11e9 100644
> --- a/arch/arm64/boot/dts/nvidia/Makefile
> +++ b/arch/arm64/boot/dts/nvidia/Makefile
> @@ -9,3 +9,4 @@ dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2894-0050-a08.dtb
>  dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p2771-0000.dtb
>  dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p2972-0000.dtb
>  dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p3509-0000+p3668-0000.dtb
> +dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-sim-vdk.dtb
> diff --git a/arch/arm64/boot/dts/nvidia/tegra234-sim-vdk.dts b/arch/arm64/boot/dts/nvidia/tegra234-sim-vdk.dts
> new file mode 100644
> index 000000000000..f6e6a24829af
> --- /dev/null
> +++ b/arch/arm64/boot/dts/nvidia/tegra234-sim-vdk.dts
> @@ -0,0 +1,40 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/dts-v1/;
> +
> +#include "tegra234.dtsi"
> +
> +/ {
> +	model = "NVIDIA Tegra234 VDK";
> +	compatible = "nvidia,tegra234-vdk", "nvidia,tegra234";
> +
> +	aliases {
> +		sdhci3 = "/cbb at 0/sdhci at 3460000";
> +		serial0 = &uarta;
> +	};
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200n8 earlycon=uart8250,mmio32,0x03100000";
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	cbb at 0 {
> +		serial at 3100000 {
> +			status = "okay";
> +		};
> +
> +		sdhci at 3460000 {
> +			status = "okay";
> +			bus-width = <8>;
> +			non-removable;
> +			only-1-8-v;
> +		};
> +
> +		rtc at c2a0000 {
> +			status = "okay";
> +		};
> +
> +		pmc at c360000 {
> +			nvidia,invert-interrupt;
> +		};
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> new file mode 100644
> index 000000000000..3509687441a1
> --- /dev/null
> +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> @@ -0,0 +1,191 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +#include <dt-bindings/clock/tegra234-clock.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/mailbox/tegra186-hsp.h>
> +#include <dt-bindings/reset/tegra234-reset.h>
> +
> +/ {
> +	compatible = "nvidia,tegra234";
> +	interrupt-parent = <&gic>;
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	bus at 0 {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +
> +		ranges = <0x0 0x0 0x0 0x40000000>;
> +
> +		misc at 100000 {
> +			compatible = "nvidia,tegra234-misc";
> +			reg = <0x00100000 0xf000>,
> +			      <0x0010f000 0x1000>;
> +			status = "okay";
> +		};


Is there meant to be a fallback option here, because I don't see
anything to match the above compatible string?

Cheers
Jon

-- 
nvpublic