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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml new file mode 100644 index 000000000..e3379d106 --- /dev/null +++ b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml @@ -0,0 +1,126 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/devfreq/nvidia,tegra30-actmon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra30 Activity Monitor + +maintainers: + - Dmitry Osipenko <digetx@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + - Thierry Reding <thierry.reding@gmail.com> + +description: | + The activity monitor block collects statistics about the behaviour of other + components in the system. This information can be used to derive the rate at + which the external memory needs to be clocked in order to serve all requests + from the monitored clients. + +properties: + compatible: + enum: + - nvidia,tegra30-actmon + - nvidia,tegra114-actmon + - nvidia,tegra124-actmon + - nvidia,tegra210-actmon + + reg: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: actmon + - const: emc + + resets: + maxItems: 1 + + reset-names: + items: + - const: actmon + + interrupts: + maxItems: 1 + + interconnects: + minItems: 1 + maxItems: 12 + + interconnect-names: + minItems: 1 + maxItems: 12 + description: + Should include name of the interconnect path for each interconnect + entry. Consult TRM documentation for information about available + memory clients, see MEMORY CONTROLLER and ACTIVITY MONITOR sections. + + operating-points-v2: + description: + Should contain freqs and voltages and opp-supported-hw property, which + is a bitfield indicating SoC speedo ID mask. + + "#cooling-cells": + const: 2 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + - interrupts + - interconnects + - interconnect-names + - operating-points-v2 + - "#cooling-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/memory/tegra30-mc.h> + + mc: memory-controller@7000f000 { + compatible = "nvidia,tegra30-mc"; + reg = <0x7000f000 0x400>; + clocks = <&clk 32>; + clock-names = "mc"; + + interrupts = <0 77 4>; + + #iommu-cells = <1>; + #reset-cells = <1>; + #interconnect-cells = <1>; + }; + + emc: external-memory-controller@7000f400 { + compatible = "nvidia,tegra30-emc"; + reg = <0x7000f400 0x400>; + interrupts = <0 78 4>; + clocks = <&clk 57>; + + nvidia,memory-controller = <&mc>; + operating-points-v2 = <&dvfs_opp_table>; + power-domains = <&domain>; + + #interconnect-cells = <0>; + }; + + actmon@6000c800 { + compatible = "nvidia,tegra30-actmon"; + reg = <0x6000c800 0x400>; + interrupts = <0 45 4>; + clocks = <&clk 119>, <&clk 57>; + clock-names = "actmon", "emc"; + resets = <&rst 119>; + reset-names = "actmon"; + operating-points-v2 = <&dvfs_opp_table>; + interconnects = <&mc TEGRA30_MC_MPCORER &emc>; + interconnect-names = "cpu-read"; + #cooling-cells = <2>; + }; |