linux-kernel - [PATCH v1 1/6] dt-bindings: memory: tegra20: emc: Replace core regulator with power domain

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Message-Id: <20210329194602.17049-2-digetx@gmail.com>
Date:   Mon, 29 Mar 2021 22:45:57 +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 1/6] dt-bindings: memory: tegra20: 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.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../bindings/memory-controllers/nvidia,tegra20-emc.txt        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-emc.txt b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-emc.txt
index cc443fcf4bec..d2250498c36d 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-emc.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-emc.txt
@@ -23,7 +23,7 @@ For each opp entry in 'operating-points-v2' table:
 	matches, the OPP gets enabled.
 
 Optional properties:
-- core-supply: Phandle of voltage regulator of the SoC "core" power domain.
+- power-domains: Phandle of the SoC "core" power domain.
 
 Child device nodes describe the memory settings for different configurations and clock rates.
 
@@ -48,7 +48,7 @@ Example:
 		interrupts = <0 78 0x04>;
 		clocks = <&tegra_car TEGRA20_CLK_EMC>;
 		nvidia,memory-controller = <&mc>;
-		core-supply = <&core_vdd_reg>;
+		power-domains = <&domain>;
 		operating-points-v2 = <&opp_table>;
 	}
 
-- 
2.30.2