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SubjectRe: [PATCH v4 1/3] dt-bindings: thermal: Add binding document for SR thermal
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On 18-09-27 10:31 AM, Florian Fainelli wrote:
> On 09/27/2018 10:27 AM, Rob Herring wrote:
>> On Thu, Sep 27, 2018 at 09:06:41PM +0530, Srinath Mannam wrote:
>>> From: Pramod Kumar <pramod.kumar@broadcom.com>
>>>
>>> Add binding document for supported thermal implementation
>>> in Stingray.
>>>
>>> Signed-off-by: Pramod Kumar <pramod.kumar@broadcom.com>
>>> Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
>>> Reviewed-by: Ray Jui <ray.jui@broadcom.com>
>>> Reviewed-by: Scott Branden <scott.branden@broadcom.com>
>>> ---
>>> .../bindings/thermal/brcm,sr-thermal.txt | 25 ++++++++++++++++++++++
>>> 1 file changed, 25 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt b/Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt
>>> new file mode 100644
>>> index 0000000..717617b
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt
>>> @@ -0,0 +1,25 @@
>>> +* Broadcom Stingray Thermal
>>> +
>>> +This binding describes thermal sensors that is part of Stingray SoCs.
>>> +
>>> +Required properties:
>>> +- compatible : Must be "brcm,sr-thermal"
>>> +- reg : memory where tmon data will be available.
>>> +- brcm,tmon-mask: A one cell bit mask of valid TMON sources.
>>> + Each bit represents single TMON source.
>>> +- brcm,max-crit-temp: Maximum supported critical temperature.
>> We already have a defined binding for setting trip points.
> Indeed, and if you have multiple TMONs, they would in premise possibly
> each have a different critical trip point.
Which may be a good reason to go back to our original bindings which
were generic and had each sensor in its own node?
>>> +
>>> +Example:
>>> + tmons {
>>> + compatible = "simple-bus";
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges = <0x0 0x0 0x8f100000 0x100>;
>>> +
>>> + tmon: thermal@0 {
>>> + compatible = "brcm,sr-thermal";
>>> + reg = <0 0x40>;
>>> + brcm,tmon-mask = <0x3f>;
>>> + brcm,max-crit-temp = <105000>;
>>> + };
>>> + };
>>> --
>>> 2.7.4
>>>
>

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