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SubjectRe: [PATCH v3 1/4] dt-bindings: mfd: Add TI TPS6594 PMIC
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On 3/22/23 08:34, Krzysztof Kozlowski wrote:
> On 21/03/2023 18:10, Julien Panis wrote:
>> TPS6594 is a Power Management IC which provides regulators and others
>> features like GPIOs, RTC, watchdog, ESMs (Error Signal Monitor), and
>> PFSM (Pre-configurable Finite State Machine) managing the state of the
>> device.
>> TPS6594 is the super-set device while TPS6593 and LP8764X are derivatives.
>>
>> Signed-off-by: Julien Panis <jpanis@baylibre.com>
>> ---
>> .../devicetree/bindings/mfd/ti,tps6594.yaml | 231 ++++++++++++++++++
>> 1 file changed, 231 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
>> new file mode 100644
>> index 000000000000..4e4565a68e40
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
>> @@ -0,0 +1,231 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/mfd/ti,tps6594.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: TI TPS6594 Power Management Integrated Circuit
>> +
>> +maintainers:
>> + - Julien Panis <jpanis@baylibre.com>
>> +
>> +description:
>> + TPS6594 is a Power Management IC which provides regulators and others
>> + features like GPIOs, RTC, watchdog, ESMs (Error Signal Monitor), and
>> + PFSM (Pre-configurable Finite State Machine) managing the state of the device.
>> + TPS6594 is the super-set device while TPS6593 and LP8764X are derivatives.
>> +
>> +properties:
>> + compatible:
>> + enum:
>> + - ti,lp8764x
> Does x stand for a wildcard? If so, then fix it. Compatibles should be
> specific.

OK, I will remove 'x' in next version.

>
>> + - ti,tps6593
>> + - ti,tps6594
>> +
>> + reg:
>> + description: I2C slave address or SPI chip select number.
>> + maxItems: 1
>> +
>> + ti,primary-pmic:
>> + type: boolean
>> + description: |
>> + Identify the primary PMIC on SPMI bus.
>> + A multi-PMIC synchronization scheme is implemented in the PMIC device
>> + to synchronize the power state changes with other PMIC devices. This is
>> + accomplished through a SPMI bus: the primary PMIC is the controller
>> + device on the SPMI bus, and the secondary PMICs are the target devices
>> + on the SPMI bus.
>> +
>> + system-power-controller: true
>> +
>> + gpio-controller: true
>> +
>> + '#gpio-cells':
>> + const: 2
>> + description: |
>> + The first cell is the pin number, the second cell is used to specify flags.
>> + See ../gpio/gpio.txt for more information.
>> +
>> + interrupts:
>> + maxItems: 1
>> +
>> + ti,multi-phase-id:
>> + description: |
>> + Describes buck multi-phase configuration, if any. For instance, XY id means
>> + that outputs of buck converters X and Y are combined in multi-phase mode.
>> + $ref: /schemas/types.yaml#/definitions/uint32-array
> No improvements here. As Rob pointed out, this looks like coupled
> regulators.

I used 'oneOf' logic to handle mutual exclusion. But it seems that I did not
understand what you and Rob expected.
Does some generic property already exist for 'coupled regulators' ?

>
> Best regards,
> Krzysztof
>

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