linux-kernel - [PATCH v1 2/6] dt-bindings: memory: tegra30: emc: Replace core regulator with power domain

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Message-Id: <20210329194602.17049-3-digetx@gmail.com>
Date:   Mon, 29 Mar 2021 22:45:58 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: [PATCH v1 2/6] dt-bindings: memory: tegra30: emc: Replace core regulator with power domain

Power domain fits much better than a voltage regulator in regards to
a proper hardware description and from a software perspective as well.
Hence replace the core regulator with the power domain. Note that this
doesn't affect any existing DTBs because we haven't started to use the
regulator yet, and thus, it's okay to change it.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../bindings/memory-controllers/nvidia,tegra30-emc.yaml    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
index 0a2e2c0d0fdd..4a2edb9b8bdc 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
@@ -39,9 +39,10 @@ properties:
     description:
       Phandle of the Memory Controller node.
 
-  core-supply:
+  power-domains:
+    $ref: /schemas/types.yaml#/definitions/phandle
     description:
-      Phandle of voltage regulator of the SoC "core" power domain.
+      Phandle of the SoC "core" power domain.
 
   operating-points-v2:
     description:
@@ -241,7 +242,7 @@ examples:
 
         nvidia,memory-controller = <&mc>;
         operating-points-v2 = <&dvfs_opp_table>;
-        core-supply = <&vdd_core>;
+        power-domains = <&domain>;
 
         #interconnect-cells = <0>;
 
-- 
2.30.2