Re: [PATCH v13 08/15] arm64: dts: Add AMD Pensando Elba SoC support

[Rob Herring]

On Mon, Apr 10, 2023 at 11:45:19AM -0700, Brad Larson wrote:
> Add AMD Pensando common and Elba SoC specific device nodes
> 
> Signed-off-by: Brad Larson <blarson@xxxxxxx>
> ---
> 
> v11 changes:
> - Delete reset-names
> - Fix spi0 compatible to be specific 'amd,pensando-elba-ctrl'
> 
> v9 changes:
> - Single node for spi0 system-controller and squash
>   the reset-controller child into parent

Have you run this thru 'make dtbs_check'? I see at least one issue that 
should report.

> ---
>  arch/arm64/boot/dts/amd/Makefile              |   1 +
>  arch/arm64/boot/dts/amd/elba-16core.dtsi      | 189 +++++++++++++++++
>  arch/arm64/boot/dts/amd/elba-asic-common.dtsi |  80 ++++++++
>  arch/arm64/boot/dts/amd/elba-asic.dts         |  28 +++
>  arch/arm64/boot/dts/amd/elba-flash-parts.dtsi | 106 ++++++++++
>  arch/arm64/boot/dts/amd/elba.dtsi             | 191 ++++++++++++++++++
>  6 files changed, 595 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amd/elba-16core.dtsi
>  create mode 100644 arch/arm64/boot/dts/amd/elba-asic-common.dtsi
>  create mode 100644 arch/arm64/boot/dts/amd/elba-asic.dts
>  create mode 100644 arch/arm64/boot/dts/amd/elba-flash-parts.dtsi
>  create mode 100644 arch/arm64/boot/dts/amd/elba.dtsi
> 
> diff --git a/arch/arm64/boot/dts/amd/Makefile b/arch/arm64/boot/dts/amd/Makefile
> index 68103a8b0ef5..8502cc2afbc5 100644
> --- a/arch/arm64/boot/dts/amd/Makefile
> +++ b/arch/arm64/boot/dts/amd/Makefile
> @@ -1,2 +1,3 @@
>  # SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_PENSANDO) += elba-asic.dtb
>  dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive-rev-b0.dtb amd-overdrive-rev-b1.dtb
> diff --git a/arch/arm64/boot/dts/amd/elba-16core.dtsi b/arch/arm64/boot/dts/amd/elba-16core.dtsi
> new file mode 100644
> index 000000000000..37aadd442db8
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amd/elba-16core.dtsi
> @@ -0,0 +1,189 @@
> +// SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +/*
> + * Copyright 2020-2022 Advanced Micro Devices, Inc.
> + */
> +
> +/ {
> +	cpus {
> +		#address-cells = <2>;
> +		#size-cells = <0>;
> +
> +		cpu-map {
> +			cluster0 {
> +				core0 { cpu = <&cpu0>; };
> +				core1 { cpu = <&cpu1>; };
> +				core2 { cpu = <&cpu2>; };
> +				core3 { cpu = <&cpu3>; };
> +			};
> +
> +			cluster1 {
> +				core0 { cpu = <&cpu4>; };
> +				core1 { cpu = <&cpu5>; };
> +				core2 { cpu = <&cpu6>; };
> +				core3 { cpu = <&cpu7>; };
> +			};
> +
> +			cluster2 {
> +				core0 { cpu = <&cpu8>; };
> +				core1 { cpu = <&cpu9>; };
> +				core2 { cpu = <&cpu10>; };
> +				core3 { cpu = <&cpu11>; };
> +			};
> +
> +			cluster3 {
> +				core0 { cpu = <&cpu12>; };
> +				core1 { cpu = <&cpu13>; };
> +				core2 { cpu = <&cpu14>; };
> +				core3 { cpu = <&cpu15>; };
> +			};
> +		};
> +
> +		/* CLUSTER 0 */
> +		cpu0: cpu@0 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x0>;
> +			next-level-cache = <&l2_0>;
> +			enable-method = "psci";
> +		};
> +
> +		cpu1: cpu@1 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x1>;
> +			next-level-cache = <&l2_0>;
> +			enable-method = "psci";
> +		};
> +
> +		cpu2: cpu@2 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x2>;
> +			next-level-cache = <&l2_0>;
> +			enable-method = "psci";
> +		};
> +
> +		cpu3: cpu@3 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x3>;
> +			next-level-cache = <&l2_0>;
> +			enable-method = "psci";
> +		};
> +
> +		l2_0: l2-cache0 {
> +			compatible = "cache";
> +		};
> +
> +		/* CLUSTER 1 */
> +		cpu4: cpu@100 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x100>;
> +			next-level-cache = <&l2_1>;
> +			enable-method = "psci";
> +		};
> +
> +		cpu5: cpu@101 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x101>;
> +			next-level-cache = <&l2_1>;
> +			enable-method = "psci";
> +		};
> +
> +		cpu6: cpu@102 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x102>;
> +			next-level-cache = <&l2_1>;
> +			enable-method = "psci";
> +		};
> +
> +		cpu7: cpu@103 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a72";
> +			reg = <0 0x103>;
> +			next-level-cache = <&l2_1>;
> +			enable-method = "psci";
> +		};
> +
> +		l2_1: l2-cache1 {
> +			compatible = "cache";

This is missing properties. If you don't see warnings, update dtschema.

Rob