Thread (19 messages) 19 messages, 2 authors, 2021-07-10

Re: [PATCH v3 1/7] dt-bindings: clock: qcom,dispcc-sm8x50: add mmcx power domain

From: Bjorn Andersson <hidden>
Date: 2021-07-09 18:54:53
Also in: linux-arm-msm, linux-clk, lkml

On Fri 09 Jul 12:31 CDT 2021, Dmitry Baryshkov wrote:
On sm8250 dispcc requires MMCX power domain to be powered up before
clock controller's registers become available. For now sm8250 was using
external regulator driven by the power domain to describe this
relationship. Switch into specifying power-domain and required opp-state
directly.
Reviewed-by: Bjorn Andersson <redacted>

Regards,
Bjorn
quoted hunk ↗ jump to hunk
Signed-off-by: Dmitry Baryshkov <redacted>
---
 .../devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml      | 7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
index 0cdf53f41f84..d5c4fed56b6e 100644
--- a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
@@ -55,6 +55,11 @@ properties:
   reg:
     maxItems: 1
 
+  power-domains:
+    description:
+      A phandle and PM domain specifier for the MMCX power domain.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -69,6 +74,7 @@ additionalProperties: false
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
     clock-controller@af00000 {
       compatible = "qcom,sm8250-dispcc";
       reg = <0x0af00000 0x10000>;
@@ -89,5 +95,6 @@ examples:
       #clock-cells = <1>;
       #reset-cells = <1>;
       #power-domain-cells = <1>;
+      power-domains = <&rpmhpd SM8250_MMCX>;
     };
 ...
-- 
2.30.2
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