From: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Certain platforms (such as Chrome SDM845 and SC7180 with a TF-A running
as secure firmware) do not have a OSI-mode capable PSCI implementation.
That in turn means the PSCI-associated power domain which represents the
system's power state can't provide enough feedback to the RSC device.
Don't require power-domains on platforms where this may be the case.
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
---
.../bindings/soc/qcom/qcom,rpmh-rsc.yaml | 24 ++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml
index af632d0e0355c56748ecac24f528dc2eec7d1193..f8b7428df6bc3caef2917b300ce47a91bb3f0fd0 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml
@@ -44,7 +44,13 @@ description: |
properties:
compatible:
- const: qcom,rpmh-rsc
+ oneOf:
+ - items:
+ - enum:
+ - qcom,sc7180-rpmh-apps-rsc
+ - qcom,sdm845-rpmh-apps-rsc
+ - const: qcom,rpmh-rsc
+ - const: qcom,rpmh-rsc
interrupts:
minItems: 1
@@ -124,7 +130,21 @@ required:
- qcom,tcs-offset
- reg
- reg-names
- - power-domains
+
+allOf:
+ # Some platforms may lack a OSI-mode PSCI implementation, which implies the
+ # system power domain can't provide feedback about entering power collapse
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sc7180-rpmh-apps-rsc
+ - qcom,sdm845-rpmh-apps-rsc
+ then:
+ required:
+ - power-domains
additionalProperties: false
--
2.48.1
