[v7,1/2] dt-bindings: mfd: Add bindings for MAX5970 and MAX5978
Commit Message
From: Marcello Sylvester Bauer <sylv@sylv.io>
The MAX597x is a hot swap controller with configurable fault protection.
It also has 10bit ADC for current & voltage measurements.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
---
.../bindings/mfd/maxim,max5970.yaml | 163 ++++++++++++++++++
1 file changed, 163 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max5970.yaml
Comments
On 03/11/2022 16:25, Naresh Solanki wrote:
> From: Marcello Sylvester Bauer <sylv@sylv.io>
>
> The MAX597x is a hot swap controller with configurable fault protection.
> It also has 10bit ADC for current & voltage measurements.
>
> Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
> Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
> ---
> .../bindings/mfd/maxim,max5970.yaml | 163 ++++++++++++++++++
> 1 file changed, 163 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max5970.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max5970.yaml b/Documentation/devicetree/bindings/mfd/maxim,max5970.yaml
> new file mode 100644
> index 000000000000..bf3db2484723
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max5970.yaml
> @@ -0,0 +1,163 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/maxim,max5970.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Regulator for MAX5970 smart switch from Maxim Integrated.
> +
> +maintainers:
> + - Patrick Rudolph <patrick.rudolph@9elements.com>
> +
> +description: |
> + The smart switch provides no output regulation, but independent fault protection
> + and voltage and current sensing.
> + Programming is done through I2C bus.
> +
> + Datasheets:
> + https://datasheets.maximintegrated.com/en/ds/MAX5970.pdf
> + https://datasheets.maximintegrated.com/en/ds/MAX5978.pdf
> +
> +properties:
> + compatible:
> + enum:
> + - maxim,max5970
> + - maxim,max5978
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + leds:
> + type: object
> + description:
> + Properties for single channel.
> +
> + patternProperties:
> + "^led@[0-3]$":
> + $ref: /schemas/leds/common.yaml#
> + type: object
> +
> + additionalProperties: true
> +
> + vss1-supply:
> + description: Supply of the first channel.
> +
> + vss2-supply:
> + description: Supply of the first channel.
> +
> + "#io-channel-cells":
> + const: 1
> +
> + regulators:
> + type: object
> + description:
> + Properties for single channel.
> +
> + patternProperties:
> + "^(sw[0-1])$":
> + $ref: /schemas/regulator/regulator.yaml#
> + type: object
> +
> + shunt-resistor-micro-ohms:
> + description: |
> + The value of curent sense resistor in microohms.
> + Must be specified for each channel.
> +
> + additionalProperties: true
We did not finish discussion and you already sent v7... It's waste of
your effort. Don't send patches too often and do not send new version
while still discussing.
Best regards,
Krzysztof
new file mode 100644
@@ -0,0 +1,163 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/maxim,max5970.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Regulator for MAX5970 smart switch from Maxim Integrated.
+
+maintainers:
+ - Patrick Rudolph <patrick.rudolph@9elements.com>
+
+description: |
+ The smart switch provides no output regulation, but independent fault protection
+ and voltage and current sensing.
+ Programming is done through I2C bus.
+
+ Datasheets:
+ https://datasheets.maximintegrated.com/en/ds/MAX5970.pdf
+ https://datasheets.maximintegrated.com/en/ds/MAX5978.pdf
+
+properties:
+ compatible:
+ enum:
+ - maxim,max5970
+ - maxim,max5978
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ leds:
+ type: object
+ description:
+ Properties for single channel.
+
+ patternProperties:
+ "^led@[0-3]$":
+ $ref: /schemas/leds/common.yaml#
+ type: object
+
+ additionalProperties: true
+
+ vss1-supply:
+ description: Supply of the first channel.
+
+ vss2-supply:
+ description: Supply of the first channel.
+
+ "#io-channel-cells":
+ const: 1
+
+ regulators:
+ type: object
+ description:
+ Properties for single channel.
+
+ patternProperties:
+ "^(sw[0-1])$":
+ $ref: /schemas/regulator/regulator.yaml#
+ type: object
+
+ shunt-resistor-micro-ohms:
+ description: |
+ The value of curent sense resistor in microohms.
+ Must be specified for each channel.
+
+ additionalProperties: true
+
+required:
+ - compatible
+ - reg
+ - regulators
+ - vss1-supply
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - maxim,max5970
+ then:
+ properties:
+ io-channels:
+ items:
+ - description: voltage first channel
+ - description: current first channel
+ - description: voltage second channel
+ - description: current second channel
+ description: |
+ Voltage and current for first and second channel.
+ required:
+ - vss2-supply
+ else:
+ properties:
+ io-channels:
+ items:
+ - description: voltage first channel
+ - description: current first channel
+ description: |
+ Voltage and current for first channel.
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ regulator@3a {
+ compatible = "maxim,max5978";
+ reg = <0x3a>;
+ vss1-supply = <&p3v3>;
+
+ regulators {
+ sw0_ref_0: SW0 {
+ regulator-compatible = "SW0";
+ shunt-resistor-micro-ohms = <12000>;
+ };
+ };
+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ led@0 {
+ reg = <0>;
+ label = "led0";
+ default-state = "on";
+ };
+ led@1 {
+ reg = <1>;
+ label = "led1";
+ default-state = "on";
+ };
+ };
+ };
+ };
+
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ regulator@3a {
+ compatible = "maxim,max5970";
+ reg = <0x3a>;
+ vss1-supply = <&p3v3>;
+ vss2-supply = <&p5v>;
+
+ regulators {
+ sw0_ref_1: SW0 {
+ regulator-compatible = "SW0";
+ shunt-resistor-micro-ohms = <12000>;
+ };
+ sw1_ref_1: SW1 {
+ regulator-compatible = "SW1";
+ shunt-resistor-micro-ohms = <10000>;
+ };
+ };
+ };
+ };
+...