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Message-ID: <20230928085537.3246669-2-wenst@chromium.org>
Date:   Thu, 28 Sep 2023 16:55:24 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Chen-Yu Tsai <wenst@...omium.org>, Lee Jones <lee@...nel.org>,
        Zhiyong Tao <zhiyong.tao@...iatek.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 01/12] dt-bindings: mfd: mt6397: Split out compatible for MediaTek MT6366 PMIC

The MT6366 PMIC is mostly, but not fully, compatible with MT6358. It has
a different set of regulators. Specifically, it lacks the camera related
VCAM* LDOs and VLDO28, but has additional VM18, VMDDR, and VSRAM_CORE LDOs.

The PMICs contain a chip ID register that can be used to detect which
exact model is preset, so it is possible to share a common base
compatible string.

Add a separate compatible for the MT6366 PMIC, with a fallback to the
MT6358 PMIC.

Fixes: 49be16305587 ("dt-bindings: mfd: Add compatible for the MediaTek MT6366 PMIC")
Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/mfd/mt6397.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
index 294693a8906c..10540aa7afa1 100644
--- a/Documentation/devicetree/bindings/mfd/mt6397.txt
+++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
@@ -22,8 +22,9 @@ compatible:
 	"mediatek,mt6323" for PMIC MT6323
 	"mediatek,mt6331" for PMIC MT6331 and MT6332
 	"mediatek,mt6357" for PMIC MT6357
-	"mediatek,mt6358" for PMIC MT6358 and MT6366
+	"mediatek,mt6358" for PMIC MT6358
 	"mediatek,mt6359" for PMIC MT6359
+	"mediatek,mt6366", "mediatek,mt6358" for PMIC MT6366
 	"mediatek,mt6397" for PMIC MT6397
 
 Optional subnodes:
@@ -40,6 +41,7 @@ Optional subnodes:
 		- compatible: "mediatek,mt6323-regulator"
 	see ../regulator/mt6323-regulator.txt
 		- compatible: "mediatek,mt6358-regulator"
+		- compatible: "mediatek,mt6366-regulator", "mediatek-mt6358-regulator"
 	see ../regulator/mt6358-regulator.txt
 		- compatible: "mediatek,mt6397-regulator"
 	see ../regulator/mt6397-regulator.txt
-- 
2.42.0.582.g8ccd20d70d-goog

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