Re: [PATCH v2 07/48] dt-bindings: arm: tegra: Add binding for core power domain
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2020-12-19 10:58:25
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dri-devel, linux-clk, linux-media, linux-tegra, lkml
On Thu, Dec 17, 2020 at 09:05:57PM +0300, Dmitry Osipenko wrote:
quoted hunk ↗ jump to hunk
All NVIDIA Tegra SoCs have a core power domain where majority of hardware blocks reside. Add binding for the core power domain. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../arm/tegra/nvidia,tegra20-core-domain.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yamldiff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml new file mode 100644 index 000000000000..f3d8fd2d8371 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml@@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/tegra/nvidia,tegra20-core-domain.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra Core Power Domain + +maintainers: + - Dmitry Osipenko <digetx@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + - Thierry Reding <thierry.reding@gmail.com> + +properties: + compatible: + enum: + - nvidia,tegra20-core-domain + - nvidia,tegra30-core-domain
The file should be in bindings/power. Include also the power-domain.yaml schema.
+
+ operating-points-v2:
+ description:
+ Should contain level, voltages and opp-supported-hw property.
+ The supported-hw is a bitfield indicating SoC speedo or process
+ ID mask.
+
+ "#power-domain-cells":
+ const: 0
+
+ power-supply:
+ description:
+ Phandle to voltage regulator connected to the SoC Core power rail.
+
+required:
+ - compatible
+ - operating-points-v2
+ - "#power-domain-cells"
+ - power-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ core-domain {power-domain (to follow schema and devicetree spec) Best regards, Krzysztof
+ compatible = "nvidia,tegra20-core-domain"; + operating-points-v2 = <&opp_table>; + power-supply = <®ulator>; + #power-domain-cells = <0>; + }; -- 2.29.2