On Fri, Nov 01, 2019 at 02:42:26PM +0100, Stefan Wahren wrote:
> Since the BCM2711 doesn't have a AVS TMON block, the thermal information
> must be retrieved from the AVS ring oscillator block. So add a new
> suitable binding.
Anything else in that block?
>
> Signed-off-by: Stefan Wahren <wahrenst@xxxxxxx>
> ---
> .../bindings/thermal/brcm,bcm2711-thermal.txt | 39 ++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt
>
> diff --git a/Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt b/Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt
> new file mode 100644
> index 0000000..5531d3f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt
> @@ -0,0 +1,39 @@
> +Binding for Thermal Sensor driver for BCM2711 SoCs.
> +
> +Required properties:
> +- compatible: must be: "brcm,bcm2711-thermal"
If the block is called 'AVS ring oscillator', then the compatible name
should mirror that.
> +- reg: Address range of the thermal registers.
> +- clocks: Phandle of the clock used by the thermal sensor.
> +- #thermal-sensor-cells: should be 0 (see thermal.txt)
> +
> +Example:
> +
> +thermal-zones {
> + cpu_thermal: cpu-thermal {
> + polling-delay-passive = <0>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&thermal>;
> +
> + trips {
> + cpu-crit {
> + temperature = <80000>;
> + hysteresis = <0>;
> + type = "critical";
> + };
> + };
> +
> + coefficients = <(-487) 410040>;
> +
> + cooling-maps {
> + };
> + };
> +};
> +
> +thermal@7d5d2200 {
> + compatible = "brcm,bcm2711-thermal";
> + reg = <0x7d5d2200 0x4>;
> + clocks = <&clocks BCM2835_CLOCK_TSENS>;
> + #thermal-sensor-cells = <0>;
> +};
> +
> --
> 2.7.4
>
