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Message-Id: <1626422636-29458-1-git-send-email-u0084500@gmail.com>
Date: Fri, 16 Jul 2021 16:03:55 +0800
From: cy_huang <u0084500@...il.com>
To: broonie@...nel.org, robh+dt@...nel.org
Cc: lgirdwood@...il.com, cy_huang@...htek.com,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH 1/2] regulator: rtq2134: Add binding document for Richtek RTQ2134 SubPMIC
From: ChiYuan Huang <cy_huang@...htek.com>
Add binding document for Richtek RTQ2134 SubPMIC.
Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
---
.../regulator/richtek,rtq2134-regulator.yaml | 106 +++++++++++++++++++++
1 file changed, 106 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rtq2134-regulator.yaml
diff --git a/Documentation/devicetree/bindings/regulator/richtek,rtq2134-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rtq2134-regulator.yaml
new file mode 100644
index 00000000..3f47e8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/richtek,rtq2134-regulator.yaml
@@ -0,0 +1,106 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/richtek,rtq2134-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Richtek RTQ2134 SubPMIC Regulator
+
+maintainers:
+ - ChiYuan Huang <cy_huang@...htek.com>
+
+description: |
+ The RTQ2134 is a multi-phase, programmable power management IC that
+ integrates with four high efficient, synchronous step-down converter cores.
+
+ Datasheet is available at
+ https://www.richtek.com/assets/product_file/RTQ2134-QA/DSQ2134-QA-01.pdf
+
+properties:
+ compatible:
+ enum:
+ - richtek,rtq2134
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+
+ patternProperties:
+ "^buck[1-3]$":
+ type: object
+ $ref: regulator.yaml#
+ description: |
+ regulator description for buck[1-3].
+
+ properties:
+ richtek,use-vsel-dvs:
+ type: boolean
+ description: |
+ If specified, buck will listen to 'vsel' pin for dvs config.
+ Else, use dvs0 voltage by default.
+
+ richtek,uv-shutdown:
+ type: boolean
+ description: |
+ If specified, use shutdown as UV action. Else, hiccup by default.
+
+ unevaluatedProperties: false
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - regulators
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtq2134@18 {
+ compatible = "richtek,rtq2134";
+ reg = <0x18>;
+
+ regulators {
+ buck1 {
+ regulator-name = "rtq2134-buck1";
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <1850000>;
+ regulator-always-on;
+ richtek,use-vsel-dvs;
+ regulator-state-mem {
+ regulator-suspend-min-microvolt = <550000>;
+ regulator-suspend-max-microvolt = <550000>;
+ };
+ };
+ buck2 {
+ regulator-name = "rtq2134-buck2";
+ regulator-min-microvolt = <1120000>;
+ regulator-max-microvolt = <1120000>;
+ regulator-always-on;
+ richtek,use-vsel-dvs;
+ regulator-state-mem {
+ regulator-suspend-min-microvolt = <1120000>;
+ regulator-suspend-max-microvolt = <1120000>;
+ };
+ };
+ buck3 {
+ regulator-name = "rtq2134-buck3";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <600000>;
+ regulator-always-on;
+ richtek,use-vsel-dvs;
+ regulator-state-mem {
+ regulator-suspend-min-microvolt = <600000>;
+ regulator-suspend-max-microvolt = <600000>;
+ };
+ };
+ };
+ };
+ };
--
2.7.4
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