maxim,max77686.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/mfd/maxim,max77686.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Maxim MAX77686 Power Management IC
    8 
    9 maintainers:
   10   - Chanwoo Choi <cw00.choi@samsung.com>
   11   - Krzysztof Kozlowski <krzk@kernel.org>
   12 
   13 description: |
   14   This is a part of device tree bindings for Maxim MAX77686 Power Management
   15   Integrated Circuit (PMIC).
   16 
   17   The Maxim MAX77686 is a Power Management IC which includes voltage and
   18   current regulators, RTC and clock outputs.
   19 
   20   The MAX77686 provides three 32.768khz clock outputs that can be controlled
   21   (gated/ungated) over I2C.  The clock IDs are defined as preprocessor macros
   22   in dt-bindings/clock/maxim,max77686.h.
   23 
   24 properties:
   25   compatible:
   26     const: maxim,max77686
   27 
   28   '#clock-cells':
   29     const: 1
   30 
   31   interrupts:
   32     maxItems: 1
   33 
   34   reg:
   35     maxItems: 1
   36 
   37   voltage-regulators:
   38     $ref: ../regulator/maxim,max77686.yaml
   39     description:
   40       List of child nodes that specify the regulators.
   41 
   42   wakeup-source: true
   43 
   44 required:
   45   - compatible
   46   - '#clock-cells'
   47   - reg
   48 
   49 additionalProperties: false
   50 
   51 examples:
   52   - |
   53     #include <dt-bindings/gpio/gpio.h>
   54     #include <dt-bindings/interrupt-controller/irq.h>
   55 
   56     i2c {
   57         #address-cells = <1>;
   58         #size-cells = <0>;
   59 
   60         max77686: pmic@9 {
   61             compatible = "maxim,max77686";
   62             reg = <0x09>;
   63 
   64             interrupt-parent = <&gpx0>;
   65             interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
   66             pinctrl-0 = <&max77686_irq>;
   67             pinctrl-names = "default";
   68             wakeup-source;
   69             #clock-cells = <1>;
   70 
   71             voltage-regulators {
   72                 LDO1 {
   73                     regulator-name = "VALIVE_1.0V_AP";
   74                     regulator-min-microvolt = <1000000>;
   75                     regulator-max-microvolt = <1000000>;
   76                     regulator-always-on;
   77                 };
   78 
   79                 LDO2 {
   80                     regulator-name = "VM1M2_1.2V_AP";
   81                     regulator-min-microvolt = <1200000>;
   82                     regulator-max-microvolt = <1200000>;
   83                     regulator-always-on;
   84                     regulator-state-mem {
   85                         regulator-on-in-suspend;
   86                     };
   87                 };
   88 
   89                 // ...
   90 
   91                 LDO22 {
   92                     regulator-name = "VMEM_VDD_2.8V";
   93                     regulator-min-microvolt = <2800000>;
   94                     regulator-max-microvolt = <2800000>;
   95                     maxim,ena-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>;
   96                 };
   97 
   98                 // ...
   99 
  100                 BUCK1 {
  101                     regulator-name = "VDD_MIF";
  102                     regulator-min-microvolt = <850000>;
  103                     regulator-max-microvolt = <1100000>;
  104                     regulator-always-on;
  105                     regulator-boot-on;
  106                     regulator-state-mem {
  107                         regulator-off-in-suspend;
  108                     };
  109                 };
  110 
  111                 BUCK2 {
  112                     regulator-name = "VDD_ARM";
  113                     regulator-min-microvolt = <850000>;
  114                     regulator-max-microvolt = <1500000>;
  115                     regulator-always-on;
  116                     regulator-boot-on;
  117                     regulator-state-mem {
  118                         regulator-on-in-suspend;
  119                     };
  120                 };
  121 
  122                 // ...
  123 
  124                 BUCK9 {
  125                     regulator-name = "CAM_ISP_CORE_1.2V";
  126                     regulator-min-microvolt = <1000000>;
  127                     regulator-max-microvolt = <1200000>;
  128                     maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>;
  129                 };
  130             };
  131         };
  132     };

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