luckfox pico plus上电时序的疑问？现在我想分开dovdd和avdd的上电时序，但是发现disable失败，电压没有下去

• wenjie

  Posts: 69

  Joined: 2024-06-06 9:43

  2024-09-23 3:05

  static const char * const gc02m2_supply_names[] = {
  "dovdd", /* Digital I/O power */
  "avdd", /* Analog power */
  "dvdd", /* Digital core power */
  };
  
  #define GC02M2_NUM_SUPPLIES ARRAY_SIZE(gc02m2_supply_names)
  
  static int gc02m2_configure_regulators(struct gc02m2 *gc02m2)
  {
  unsigned int i;
  
  for (i = 0; i < GC02M2_NUM_SUPPLIES; i++)
  gc02m2->supplies.supply = gc02m2_supply_names;
  
  return devm_regulator_bulk_get(&gc02m2->client->dev,
  GC02M2_NUM_SUPPLIES,
  gc02m2->supplies);
  }
  
  regulator_bulk_enable(GC02M2_NUM_SUPPLIES, gc02m2->supplies);这个函数关闭的电压适配器是下面这些吗？是怎么通过上面的"dovdd", /* Digital I/O power */
  "avdd", /* Analog power */
  "dvdd", /* Digital core power */来获取到这些电压适配器的吗
  ，现在我想分开dovdd和avdd的上电时序，但是发现disable失败，电压没有下去
  
  vcc_1v8: vcc-1v8 {
  compatible = "regulator-fixed";
  regulator-name = "vcc_1v8";
  regulator-always-on;
  regulator-boot-on;
  regulator-min-microvolt = <1800000>;
  regulator-max-microvolt = <1800000>;
  };
  
  vcc_3v3: vcc-3v3 {
  compatible = "regulator-fixed";
  regulator-name = "vcc_3v3";
  regulator-always-on;
  regulator-boot-on;
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  };
  
  vdd_arm: vdd-arm {
  compatible = "regulator-fixed";
  regulator-name = "vdd_arm";
  regulator-min-microvolt = <900000>;
  regulator-max-microvolt = <900000>;
  regulator-always-on;
  regulator-boot-on;
  };

  • Quote