diff options
| author | Bryan Brattlof <bb@ti.com> | 2022-11-01 02:26:56 +0300 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@kernel.org> | 2022-12-14 17:25:41 +0300 |
| commit | effe8db0a421480fc4dad0c7bf380b8e245cbb8c (patch) | |
| tree | e662a2eeb366ae6b308824f4cd61954f4cb5350a /Documentation | |
| parent | 366444ebe7e2e1c987c6a07551f06db4b5b7c0ad (diff) | |
| download | linux-effe8db0a421480fc4dad0c7bf380b8e245cbb8c.tar.xz | |
dt-bindings: thermal: k3-j72xx: elaborate on binding description
Elaborate on the function of this device node as well as some of the
properties this node uses.
Signed-off-by: Bryan Brattlof <bb@ti.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221031232702.10339-6-bb@ti.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml b/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml index c74f124ebfc0..3bb870a26872 100644 --- a/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml +++ b/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml @@ -9,6 +9,19 @@ title: Texas Instruments J72XX VTM (DTS) binding maintainers: - Keerthy <j-keerthy@ti.com> +description: | + The TI K3 family of SoCs typically have a Voltage & Thermal + Management (VTM) device to control up to 8 temperature diode + sensors to measure silicon junction temperatures from different + hotspots of the chip as well as provide temperature, interrupt + and alerting information. + + The following polynomial equation can then be used to convert + value returned by this device into a temperature in Celsius + + Temp(C) = (-9.2627e-12) * x^4 + (6.0373e-08) * x^3 + \ + (-1.7058e-04) * x^2 + (3.2512e-01) * x + (-4.9003e+01) + properties: compatible: enum: @@ -19,7 +32,11 @@ properties: items: - description: VTM cfg1 register space - description: VTM cfg2 register space - - description: VTM efuse register space + - description: | + A software trimming method must be applied to some Jacinto + devices to function properly. This eFuse region provides + the information needed for these SoCs to report + temperatures accurately. power-domains: maxItems: 1 |