Skip to contentSkip to conversation

Add ADI MAX77503 regulator driver and bindings

PATCH Superseded Gokhan Celik 3 participants 6 messages Sep 19, 2023 – Sep 20, 2023

Subsystems (2)

v2 of 4 Superseded Latest is v4 →

lore
Share & tools
lore
#0 lore raw

v2 cover Add ADI MAX77503 regulator driver and bindings

Add MAX77503 buck converter driver and devicetree bindings. Apply patches in sequence.

Gokhan Celik (2):
regulator: max77503: Add ADI MAX77503 support
regulator: dt-bindings: Add ADI MAX77503 support

 .../regulator/adi,max77503-regulator.yaml     |  53 +++++++
 drivers/regulator/Kconfig                     |  10 ++
 drivers/regulator/Makefile                    |   1 +
 drivers/regulator/max77503-regulator.c        | 137 ++++++++++++++++++
 4 files changed, 201 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml
 create mode 100644 drivers/regulator/max77503-regulator.c
Signature · 1 line
2.34.1
#3 lore raw

PATCH v2 2/2 regulator: dt-bindings: Add ADI MAX77503 support

Add ADI MAX77503 buck converter devicetree document.

---
 .../regulator/adi,max77503-regulator.yaml     | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml
Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml new file +53 -0
new file mode 100644
index 000000000000..128e04ae3f4d
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (c) 2023 Analog Devices, Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/adi,max77503-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX77503 Buck Converter
+
+maintainers:
+  - Gokhan Celik <[email protected]>
+
+description: |
+  The Analog Devices MAX77503 is a single channel 14V input, 1.5A 
+  high-efficiency buck converter. This converter has 94% efficiency
+  for 2-Cell/3-Cell battery applications.
+
+allOf:
+  - $ref: regulator.yaml#
+
+properties:
+  compatible:
+    enum:
+      - adi,max77503
+
+  reg:
+    description: I2C address of the device
+    items:
+      - enum: [0x1e, 0x24, 0x37]
+
+required:
+  - compatible
+  - reg
+  - regulator-min-microvolt
+  - regulator-max-microvolt
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        regulator@1e {
+            compatible = "adi,max77503";
+            reg = <0x1e>;
+
+            regulator-min-microvolt = <800000>;
+            regulator-max-microvolt = <5000000>;
+        };
+    };
+
Signature · 1 line
2.34.1
#1 lore raw

PATCH v2 1/2 regulator: max77503: Add ADI MAX77503 support

In reply to Gokhan Celik

Add ADI MAX77503 buck converter driver support.

---
 drivers/regulator/Kconfig              |  10 ++
 drivers/regulator/Makefile             |   1 +
 drivers/regulator/max77503-regulator.c | 137 +++++++++++++++++++++++++
 3 files changed, 148 insertions(+)
 create mode 100644 drivers/regulator/max77503-regulator.c
drivers/regulator/Kconfig +10 -0
index 823f8e6e4801..dbd2053774e9 100644
@@ -556,6 +556,16 @@ config REGULATOR_MAX597X
 	  The MAX5970/5978 is a smart switch with no output regulation, but
 	  fault protection and voltage and current monitoring capabilities.
 
+config REGULATOR_MAX77503
+	tristate "Analog Devices MAX77503 Regulator"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  This driver controls a Analog Devices MAX77503 14V input, 1.5A
+	  high-efficiency buck converter via I2C bus.
+	  Say M here if you want to include support for the regulator as a
+	  module.
+
 config REGULATOR_MAX77541
 	tristate "Analog Devices MAX77541/77540 Regulator"
 	depends on MFD_MAX77541
drivers/regulator/Makefile +1 -0
index 15e0d614ff66..b5b724699b51 100644
@@ -68,6 +68,7 @@ obj-$(CONFIG_REGULATOR_LTC3676) += ltc3676.o
 obj-$(CONFIG_REGULATOR_MAX14577) += max14577-regulator.o
 obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
 obj-$(CONFIG_REGULATOR_MAX597X) += max597x-regulator.o
+obj-$(CONFIG_REGULATOR_MAX77503) += max77503-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77541) += max77541-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77620) += max77620-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77650) += max77650-regulator.o
drivers/regulator/max77503-regulator.c new file +137 -0

137 lines not on this page · raw message

Signature · 1 line
2.34.1
maintainer
#4 lore raw

Re: [PATCH v2 2/2] regulator: dt-bindings: Add ADI MAX77503 support

In reply to Gokhan Celik

Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml line 35

Quoted 5 lines · Gokhan Celik
Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml new file +5 -0
+required:
+  - compatible
+  - reg
+  - regulator-min-microvolt
+  - regulator-max-microvolt

There should not normally be a requirement to specify voltage constraints, it should be valid for the system to not permit any configuration of the voltage at runtime and just use whatever state it was left with when the kernel was started (eg, hardware or bootloader default).

Reviewed-by on v2 2/2
#5 lore raw

Re: [PATCH v2 2/2] regulator: dt-bindings: Add ADI MAX77503 support

In reply to Gokhan Celik
Quoted 3 lines · Gokhan Celik

Add ADI MAX77503 buck converter devicetree document.

Other than Mark's comment, this seems fine to me. W/ that to his satisfaction,

Thanks,
Conor.

Quoted 67 lines
---
 .../regulator/adi,max77503-regulator.yaml     | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml
Documentation/devicetree/bindings/regulator/adi,max77503-regulator.yaml new file +53 -0
new file mode 100644
index 000000000000..128e04ae3f4d
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (c) 2023 Analog Devices, Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/adi,max77503-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX77503 Buck Converter
+
+maintainers:
+  - Gokhan Celik <[email protected]>
+
+description: |
+  The Analog Devices MAX77503 is a single channel 14V input, 1.5A 
+  high-efficiency buck converter. This converter has 94% efficiency
+  for 2-Cell/3-Cell battery applications.
+
+allOf:
+  - $ref: regulator.yaml#
+
+properties:
+  compatible:
+    enum:
+      - adi,max77503
+
+  reg:
+    description: I2C address of the device
+    items:
+      - enum: [0x1e, 0x24, 0x37]
+
+required:
+  - compatible
+  - reg
+  - regulator-min-microvolt
+  - regulator-max-microvolt
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        regulator@1e {
+            compatible = "adi,max77503";
+            reg = <0x1e>;
+
+            regulator-min-microvolt = <800000>;
+            regulator-max-microvolt = <5000000>;
+        };
+    };
+
Signature · 1 line
2.34.1