[PATCH v2 2/2] dt-bindings: devfreq: tegra30-actmon: Add cooling-cells
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-06-01 02:24:25
Also in:
linux-devicetree, linux-tegra, lkml
Subsystem:
device frequency (devfreq), open firmware and flattened device tree bindings, the rest · Maintainers:
MyungJoo Ham, Kyungmin Park, Chanwoo Choi, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The ACTMON watches activity of memory clients. Decisions about a minimum required frequency are made based on the info from ACTMON. We can use ACTMON as a thermal cooling device by limiting the required frequency. Document new cooling-cells property of NVIDIA Tegra ACTMON hardware unit. Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Thierry Reding <redacted> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml
index ba938eed28ee..e3379d106728 100644
--- a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml
+++ b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml@@ -63,6 +63,9 @@ properties: 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
@@ -74,6 +77,7 @@ required: - interconnects - interconnect-names - operating-points-v2 + - "#cooling-cells" additionalProperties: false
@@ -118,4 +122,5 @@ examples: operating-points-v2 = <&dvfs_opp_table>; interconnects = <&mc TEGRA30_MC_MPCORER &emc>; interconnect-names = "cpu-read"; + #cooling-cells = <2>; };
--
2.30.2