From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sun, 29 Aug 2021 15:47:51 +0000 (+0300)
Subject: dt-bindings: clock: qcom,videocc: add mmcx power domain
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a3bb8a70e7effbbb7205615591392ac4b1dbe8bf;p=linux.git

dt-bindings: clock: qcom,videocc: add mmcx power domain

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 <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210829154757.784699-3-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---

diff --git a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
index 0d224f114b5bb..3cdbcebdc1a19 100644
--- a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
@@ -49,6 +49,16 @@ properties:
   reg:
     maxItems: 1
 
+  power-domains:
+    description:
+      A phandle and PM domain specifier for the MMCX power domain.
+    maxItems: 1
+
+  required-opps:
+    description:
+      A phandle to an OPP node describing required MMCX performance point.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -63,6 +73,7 @@ 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>;
@@ -71,5 +82,7 @@ examples:
       #clock-cells = <1>;
       #reset-cells = <1>;
       #power-domain-cells = <1>;
+      power-domains = <&rpmhpd SM8250_MMCX>;
+      required-opps = <&rpmhpd_opp_low_svs>;
     };
 ...