linux-kernel - [RESEND][PATCH v2 3/3] dt-bindings: thermal: update sustainable-power with abstract scale

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Date:   Mon,  5 Oct 2020 17:30:16 +0100
From:   Lukasz Luba <lukasz.luba@....com>
To:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org
Cc:     amitk@...nel.org, corbet@....net, daniel.lezcano@...aro.org,
        lukasz.luba@....com, Dietmar.Eggemann@....com, qperret@...gle.com,
        dianders@...omium.org, mka@...omium.org, rnayak@...eaurora.org,
        rjw@...ysocki.net
Subject: [RESEND][PATCH v2 3/3] dt-bindings: thermal: update sustainable-power with abstract scale

Update the documentation for the binding 'sustainable-power' and allow
to provide values in an abstract scale. It is required when the cooling
devices use an abstract scale for their power values.

Signed-off-by: Lukasz Luba <lukasz.luba@....com>
---

Hi Rob,
 
This is a fixed patch for DT binding, which now passes the
make dt_binding_check (I have changed tabs into spaces).
The former patch error that I have received is here [1]. 

Regards,
Lukasz

[1] https://lore.kernel.org/linux-pm/20201002114426.31277-1-lukasz.luba@arm.com/T/#md4b02a3ada592df67446566180643ba56788c159

 .../devicetree/bindings/thermal/thermal-zones.yaml  | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
index 3ec9cc87ec50..c445927749c3 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
@@ -99,10 +99,15 @@ patternProperties:
       sustainable-power:
         $ref: /schemas/types.yaml#/definitions/uint32
         description:
-          An estimate of the sustainable power (in mW) that this thermal zone
-          can dissipate at the desired control temperature. For reference, the
-          sustainable power of a 4-inch phone is typically 2000mW, while on a
-          10-inch tablet is around 4500mW.
+          An estimate of the sustainable power (in mW or in an abstract scale)
+          that this thermal zone can dissipate at the desired control
+          temperature. For reference, the sustainable power of a 4-inch phone
+          is typically 2000mW, while on a 10-inch tablet is around 4500mW.
+
+          It is possible to express the sustainable power in an abstract
+          scale. This is the case when the related cooling devices use also
+          abstract scale to express their power usage. The scale must be
+          consistent.
 
       trips:
         type: object
-- 
2.17.1