linux-kernel - [PATCH RESEND v5 1/2] regulator: dt-bindings: Add Allwinner D1 system LDOs

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Message-Id: <20240507041343.272569-2-wens@kernel.org>
Date: Tue,  7 May 2024 12:13:42 +0800
From: Chen-Yu Tsai <wens@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: Samuel Holland <samuel@...lland.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Chen-Yu Tsai <wens@...e.org>
Subject: [PATCH RESEND v5 1/2] regulator: dt-bindings: Add Allwinner D1 system LDOs

From: Samuel Holland <samuel@...lland.org>

The Allwinner D1 SoC contains two pairs of in-package LDOs. The pair of
"system" LDOs is for general purpose use. LDOA generally powers the
board's 1.8 V rail. LDOB powers the in-package DRAM, where applicable.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Samuel Holland <samuel@...lland.org>
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 .../allwinner,sun20i-d1-system-ldos.yaml      | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-system-ldos.yaml

diff --git a/Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-system-ldos.yaml b/Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-system-ldos.yaml
new file mode 100644
index 000000000000..ec6695c8d2e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-system-ldos.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner D1 System LDOs
+
+maintainers:
+  - Samuel Holland <samuel@...lland.org>
+
+description:
+  Allwinner D1 contains a pair of general-purpose LDOs which are designed to
+  supply power inside and outside the SoC. They are controlled by a register
+  within the system control MMIO space.
+
+properties:
+  compatible:
+    enum:
+      - allwinner,sun20i-d1-system-ldos
+
+  reg:
+    maxItems: 1
+
+patternProperties:
+  "^ldo[ab]$":
+    type: object
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+...
-- 
2.39.2