On Wed, Apr 17, 2024 at 11:14:36AM +0200, AngeloGioacchino Del Regno wrote:
The Dynamic Voltage and Frequency Scaling Resource Collector Regulators
are controlled with votes to the DVFSRC hardware.
This adds support for the regulators found in MT6873, MT8183, MT8192
and MT8195 SoCs.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
.../mediatek,mt6873-dvfsrc-regulator.yaml | 71 +++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml
diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml
new file mode 100644
index 000000000000..446f1dab4d2e
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mediatek,mt6873-dvfsrc-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek DVFSRC-controlled Regulators
+
+description:
+ The Dynamic Voltage and Frequency Scaling Resource Collector Regulators
+ are controlled with votes to the DVFSRC hardware.
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
+
+properties:
+ compatible:
+ enum:
+ - mediatek,mt6873-dvfsrc-regulator
+ - mediatek,mt8183-dvfsrc-regulator
+ - mediatek,mt8192-dvfsrc-regulator
+ - mediatek,mt8195-dvfsrc-regulator
+
+ reg:
+ maxItems: 1
+
+ dvfsrc-vcore:
+ description: DVFSRC-controlled SoC Vcore regulator
+ $ref: regulator.yaml#
unevaluatedProperties: false
+
+ dvfsrc-vscp:
+ description: DVFSRC-controlled System Control Processor regulator
+ $ref: regulator.yaml#
ditto
+
+required:
+ - compatible
'reg' is never optional. And how is no regulators at all valid?
+
+additionalProperties: false
+
+examples:
+ - |
Drop the example here. Just one complete example in the MFD doc.
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ system-controller@10012000 {
+ compatible = "mediatek,mt8195-dvfsrc";
+ reg = <0 0x10012000 0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ regulators@0 {
+ compatible = "mediatek,mt8195-dvfsrc-regulator";
+ reg = <0>;
What does 'reg' value represent here? 0 and 1 seem pretty much made up.