在“imx6q-sabresd.dts”中下面这段代码是什么意思,干什么用的?i2c为什么会涉及pfuse和regulator?
非常感谢!
&i2c2 {
pmic: pfuze100@08 {
compatible = "fsl,pfuze100";
reg = <0x08>;
regulators {
sw1a_reg: sw1ab {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw1c_reg: sw1c {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw2_reg: sw2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
sw3a_reg: sw3a {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw3b_reg: sw3b {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw4_reg: sw4 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
};
swbst_reg: swbst {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5150000>;
};
snvs_reg: vsnvs {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
regulator-always-on;
};
vref_reg: vrefddr {
regulator-boot-on;
regulator-always-on;
};
vgen1_reg: vgen1 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen2_reg: vgen2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen3_reg: vgen3 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
vgen4_reg: vgen4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen5_reg: vgen5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen6_reg: vgen6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
};
};
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