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* [PATCH] dt-bindings: power: reset: qcom-pon: Only allow reboot-mode pre-pmk8350
@ 2023-04-19 10:41 Konrad Dybcio
  2023-04-21 19:07 ` Rob Herring
  0 siblings, 1 reply; 3+ messages in thread
From: Konrad Dybcio @ 2023-04-19 10:41 UTC (permalink / raw)
  To: Sebastian Reichel, Rob Herring, Krzysztof Kozlowski, Vinod Koul,
	Anjelique Melendez, David Collins
  Cc: Marijn Suijten, Sebastian Reichel, Krzysztof Kozlowski, linux-pm,
	devicetree, linux-kernel, Konrad Dybcio

As pointed out by Shazad [1], PMICs using a separate HLOS+PBS scheme
(so PMK8350 and newer) are expected to pass reboot mode data through SDAM,
as the reboot mode registers are absent in the HLOS reg space.

Limit the reboot-mode.yaml inclusion to PMICs without a separate PBS
region.

[1] https://lore.kernel.org/linux-arm-msm/12f13183-c381-25f7-459e-62e0c2b19498@quicinc.com/

Fixes: 03fccdc76dce ("dt-bindings: power: reset: qcom-pon: Add new compatible "qcom,pmk8350-pon"")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 Documentation/devicetree/bindings/power/reset/qcom,pon.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml
index d96170eecbd2..0b1eca734d3b 100644
--- a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml
+++ b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml
@@ -56,7 +56,6 @@ required:
 unevaluatedProperties: false
 
 allOf:
-  - $ref: reboot-mode.yaml#
   - if:
       properties:
         compatible:
@@ -66,6 +65,9 @@ allOf:
               - qcom,pms405-pon
               - qcom,pm8998-pon
     then:
+      allOf:
+        - $ref: reboot-mode.yaml#
+
       properties:
         reg:
           maxItems: 1

---
base-commit: 67d5d9f013d6c3829383c08162939cabff14fccc
change-id: 20230419-topic-pmic_pon_bindings-ffdd6c088f8e

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@linaro.org>


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2023-04-19 10:41 [PATCH] dt-bindings: power: reset: qcom-pon: Only allow reboot-mode pre-pmk8350 Konrad Dybcio
2023-04-21 19:07 ` Rob Herring
2023-05-08 12:29   ` Sebastian Reichel

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