On Tue, Dec 18, 2018 at 03:34:36PM +0800, Wei Ni wrote: > Add "nvidia,gpu-throt-level" property to set gpu hw > throttle level. > > Signed-off-by: Wei Ni <wni@xxxxxxxxxx> > --- > .../bindings/thermal/nvidia,tegra124-soctherm.txt | 17 +++++++++++++++-- > include/dt-bindings/thermal/tegra124-soctherm.h | 22 ++++++++++++++++++---- > 2 files changed, 33 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt > index ab66d6feab4b..cf6d0be56b7a 100644 > --- a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt > +++ b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt > @@ -52,6 +52,15 @@ Required properties : > Must set as following values: > TEGRA_SOCTHERM_THROT_LEVEL_LOW, TEGRA_SOCTHERM_THROT_LEVEL_MED > TEGRA_SOCTHERM_THROT_LEVEL_HIGH, TEGRA_SOCTHERM_THROT_LEVEL_NONE > + - nvidia,gpu-throt-level: This property is for Tegra124 and Tegra210. Also, why not just use percents like nvidia,cpu-throt-percent? > + It is the level of pulse skippers, which used to throttle clock > + frequencies. It indicates gpu clock throttling depth and can be > + programmed to any of the following values which represent a throttling > + percentage: > + TEGRA_SOCTHERM_THROT_LEVEL_NONE (0%) > + TEGRA_SOCTHERM_THROT_LEVEL_LOW (50%), > + TEGRA_SOCTHERM_THROT_LEVEL_MED (75%), > + TEGRA_SOCTHERM_THROT_LEVEL_HIGH (85%). > - #cooling-cells: Should be 1. This cooling device only support on/off state. > See ./thermal.txt for a description of this property.
