[PATCH v2 2/3] dt-bindings: regulator: document binding for MT6315 regulator

Hsin-Hsiung Wang
2020-10-20T09:57:36Z

Add device tree binding information for MT6315 regulator driver.
Example bindings for MT6315 are added.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
---
.../regulator/mtk,mt6315-regulator.yaml | 88 +++++++++++++++++++
include/dt-bindings/regulator/mtk,mt6315.h | 17 ++++
2 files changed, 105 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/mtk,mt6315-regulator.yaml
create mode 100644 include/dt-bindings/regulator/mtk,mt6315.h

diff --git a/Documentation/devicetree/bindings/regulator/mtk,mt6315-regulator.yaml b/Documentation/devicetree/bindings/regulator/mtk,mt6315-regulator.yaml
new file mode 100644
index 000000000000..457606800d5b
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mtk,mt6315-regulator.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mtk,mt6315-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek MT6315 Regulator
+
+maintainers:
+ - Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
+
+description: |
+ The MT6315 is a power management IC (PMIC) configurable with SPMI.
+ that contains 4 BUCKs output which can combine with each other
+ by different efuse settings.
+
+allOf:
+ - $ref: "regulator.yaml#"
+
+properties:
+ $nodename:
+ pattern: "mt6315@[0-9]"
+ compatible:
+ enum:
+ - mediatek,mt6315_3-regulator
+ - mediatek,mt6315_6-regulator
+ - mediatek,mt6315_7-regulator
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+ description: List of regulators and its properties
+
+ patternProperties:
+ "^vbuck[1-4]$":
+ type: object
+
+ properties:
+ regulator-name:
+ pattern: "^vbuck[1-4]$"
+ description:
+ should be "vbuck1", ..., "vbuck4"
+
+ mtk,combined-regulator:
+ $ref: "/schemas/types.yaml#/definitions/uint32-array"
+ description: |
+ defines other bucks combined with this buck, must contain the following
+ values MT6315_VBUCK1, MT6315_VBUCK2, MT6315_VBUCK3, MT6315_VBUCK4
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - regulators
+
+additionalProperties: false
+
+examples:
+ - |
+ /* This example shows that buck2 and buck4 are combined into buck1. */
+ #include <dt-bindings/regulator/mtk,mt6315.h>
+
+ mt6315@6 {
+ compatible = "mediatek,mt6315_6-regulator";
+ reg = <0x6 0 0xb 1>;
+
+ regulators {
+ vbuck1 {
+ regulator-compatible = "vbuck1";
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <1193750>;
+ regulator-enable-ramp-delay = <256>;
+ regulator-allowed-modes = <0 1 2 4>;
+ mtk,combined-regulator = <MT6315_VBUCK2 MT6315_VBUCK4>;
+ };
+
+ vbuck3 {
+ regulator-compatible = "vbuck3";
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <1193750>;
+ regulator-enable-ramp-delay = <256>;
+ regulator-allowed-modes = <0 1 2 4>;
+ };
+ };
+ };
diff --git a/include/dt-bindings/regulator/mtk,mt6315.h b/include/dt-bindings/regulator/mtk,mt6315.h
new file mode 100644
index 000000000000..6ed9b2b121db
--- /dev/null
+++ b/include/dt-bindings/regulator/mtk,mt6315.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
+ */
+
+#ifndef _DT_BINDINGS_REGULATOR_MTK_MT6315_H
+#define _DT_BINDINGS_REGULATOR_MTK_MT6315_H
+
+/* Regulator ID */
+#define MT6315_VBUCK1 1
+#define MT6315_VBUCK2 2
+#define MT6315_VBUCK3 3
+#define MT6315_VBUCK4 4
+#define MT6315_VBUCK_MAX 5
+
+#endif /* _DT_BINDINGS_REGULATOR_MTK_MT6315_H */
--
2.18.0