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

Re: [PATCH v3 2/7] dt-bindings: clock: qcom,videocc: add mmcx power domain

From: Bjorn Andersson <hidden>
Date: 2021-07-09 18:55:06
Also in: linux-arm-msm, linux-clk, lkml

On Fri 09 Jul 12:31 CDT 2021, Dmitry Baryshkov wrote:
On sm8250 videocc 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.

Signed-off-by: Dmitry Baryshkov <redacted>
Reviewed-by: Bjorn Andersson <redacted>
quoted hunk ↗ jump to hunk
---
 Documentation/devicetree/bindings/clock/qcom,videocc.yaml | 7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
index 567202942b88..db4ada6acf27 100644
--- a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
@@ -47,6 +47,11 @@ properties:
   reg:
     maxItems: 1
 
+  power-domains:
+    description:
+      A phandle and PM domain specifier for the MMCX power domain.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -61,6 +66,7 @@ additionalProperties: false
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
     clock-controller@ab00000 {
       compatible = "qcom,sdm845-videocc";
       reg = <0x0ab00000 0x10000>;
@@ -69,5 +75,6 @@ examples:
       #clock-cells = <1>;
       #reset-cells = <1>;
       #power-domain-cells = <1>;
+      power-domains = <&rpmhpd SM8250_MMCX>;
     };
 ...
-- 
2.30.2
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