I have found this in downstream decompiled dts: 
```
qcom,rpm-smd {
			compatible = "qcom,rpm-smd";
			rpm-channel-name = "rpm_requests";
			rpm-channel-type = <0x0f>;

			rpm-regulator-smpa1 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "smpa";
				qcom,resource-id = <0x01>;
				qcom,regulator-type = <0x01>;
				qcom,hpm-min-load = <0x186a0>;
				status = "okay";

				regulator-s1 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s1";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0xf4240>;
					regulator-max-microvolt = <0x12b128>;
					qcom,init-voltage = <0xf4240>;
					linux,phandle = <0x11c>;
					phandle = <0x11c>;
				};
			};

			rpm-regulator-smpa2 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "smpa";
				qcom,resource-id = <0x02>;
				qcom,regulator-type = <0x01>;
				qcom,hpm-min-load = <0x186a0>;
				status = "okay";

				regulator-s2 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s2";
					qcom,set = <0x03>;
					status = "disabled";
				};

				regulator-s2-level {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s2_level";
					qcom,set = <0x03>;
					regulator-min-microvolt = <0x10>;
					regulator-max-microvolt = <0x200>;
					qcom,use-voltage-level;
					linux,phandle = <0xe7>;
					phandle = <0xe7>;
				};

				regulator-s2-floor-level {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s2_floor_level";
					qcom,set = <0x03>;
					regulator-min-microvolt = <0x10>;
					regulator-max-microvolt = <0x200>;
					qcom,use-voltage-floor-level;
					qcom,always-send-voltage;
					linux,phandle = <0xbd>;
					phandle = <0xbd>;
				};

				regulator-s2-level-ao {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s2_level_ao";
					qcom,set = <0x01>;
					regulator-min-microvolt = <0x10>;
					regulator-max-microvolt = <0x200>;
					qcom,use-voltage-level;
					linux,phandle = <0xe8>;
					phandle = <0xe8>;
				};
			};

			rpm-regulator-smpa3 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "smpa";
				qcom,resource-id = <0x03>;
				qcom,regulator-type = <0x01>;
				qcom,hpm-min-load = <0x186a0>;
				status = "okay";

				regulator-s3 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s3";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x13d620>;
					regulator-max-microvolt = <0x13d620>;
					qcom,init-voltage = <0x13d620>;
				};
			};

			rpm-regulator-smpa4 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "smpa";
				qcom,resource-id = <0x04>;
				qcom,regulator-type = <0x01>;
				qcom,hpm-min-load = <0x186a0>;
				status = "okay";

				regulator-s4 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_s4";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1f47d0>;
					regulator-max-microvolt = <0x1f47d0>;
					qcom,init-voltage = <0x1f47d0>;
					linux,phandle = <0x115>;
					phandle = <0x115>;
				};
			};

			rpm-regulator-ldoa2 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x02>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l2 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l2";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x124f80>;
					regulator-max-microvolt = <0x124f80>;
					qcom,init-voltage = <0x124f80>;
					linux,phandle = <0xfc>;
					phandle = <0xfc>;
				};
			};

			rpm-regulator-ldoa3 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x03>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l3 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l3";
					qcom,set = <0x03>;
					status = "disabled";
				};

				regulator-l3-level-ao {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l3_level_ao";
					qcom,set = <0x01>;
					regulator-min-microvolt = <0x10>;
					regulator-max-microvolt = <0x180>;
					qcom,use-voltage-level;
					qcom,always-send-voltage;
					linux,phandle = <0xf3>;
					phandle = <0xf3>;
				};

				regulator-l3-level-so {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l3_level_so";
					qcom,set = <0x02>;
					regulator-min-microvolt = <0x10>;
					regulator-max-microvolt = <0x180>;
					qcom,init-voltage-level = <0x10>;
					qcom,use-voltage-level;
				};
			};

			rpm-regulator-ldoa5 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x05>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l5 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l5";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x1b7740>;
					qcom,init-voltage = <0x1b7740>;
					linux,phandle = <0xb6>;
					phandle = <0xb6>;
				};
			};

			rpm-regulator-ldoa6 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x06>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l6 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l6";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x1b7740>;
					qcom,init-voltage = <0x1b7740>;
					linux,phandle = <0x134>;
					phandle = <0x134>;
				};
			};

			rpm-regulator-ldoa7 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x07>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l7 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l7";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x1b7740>;
					qcom,init-voltage = <0x1b7740>;
					linux,phandle = <0xf4>;
					phandle = <0xf4>;
				};

				regulator-l7-ao {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l7_ao";
					qcom,set = <0x01>;
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x1b7740>;
					qcom,init-voltage = <0x1b7740>;
					linux,phandle = <0xe9>;
					phandle = <0xe9>;
				};
			};

			rpm-regulator-ldoa8 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x08>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l8 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l8";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2b7cd0>;
					regulator-max-microvolt = <0x2c4020>;
					qcom,init-voltage = <0x2c4020>;
					linux,phandle = <0x102>;
					phandle = <0x102>;
				};
			};

			rpm-regulator-ldoa9 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x09>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l9 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l9";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2dc6c0>;
					regulator-max-microvolt = <0x325aa0>;
					qcom,init-voltage = <0x2dc6c0>;
					linux,phandle = <0xf6>;
					phandle = <0xf6>;
				};
			};

			rpm-regulator-ldoa10 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x0a>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l10 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l10";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2ab980>;
					regulator-max-microvolt = <0x2dc6c0>;
					qcom,init-voltage = <0x2ab980>;
					linux,phandle = <0xd1>;
					phandle = <0xd1>;
				};
			};

			rpm-regulator-ldoa11 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x0b>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l11 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l11";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2d0370>;
					regulator-max-microvolt = <0x2d0370>;
					qcom,init-voltage = <0x2d0370>;
					linux,phandle = <0x55>;
					phandle = <0x55>;
				};
			};

			rpm-regulator-ldoa12 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x0c>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l12 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l12";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x2d0370>;
					qcom,init-voltage = <0x1b7740>;
					linux,phandle = <0x56>;
					phandle = <0x56>;
				};
			};

			rpm-regulator-ldoa13 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x0d>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x1388>;
				status = "okay";

				regulator-l13 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l13";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2eebb8>;
					regulator-max-microvolt = <0x2eebb8>;
					qcom,init-voltage = <0x2eebb8>;
					linux,phandle = <0xb7>;
					phandle = <0xb7>;
				};
			};

			rpm-regulator-ldoa14 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x0e>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x1388>;
				status = "okay";

				regulator-l14 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l14";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x325aa0>;
					qcom,init-voltage = <0x1b7740>;
				};
			};

			rpm-regulator-ldoa15 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x0f>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x1388>;
				status = "okay";

				regulator-l15 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l15";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x325aa0>;
					qcom,init-voltage = <0x1b7740>;
				};
			};

			rpm-regulator-ldoa16 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x10>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x1388>;
				status = "okay";

				regulator-l16 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l16";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x1b7740>;
					regulator-max-microvolt = <0x1b7740>;
					qcom,init-voltage = <0x1b7740>;
				};
			};

			rpm-regulator-ldoa17 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x11>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l17 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l17";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2ab980>;
					regulator-max-microvolt = <0x2c4020>;
					qcom,init-voltage = <0x2ab980>;
					linux,phandle = <0x131>;
					phandle = <0x131>;
				};
			};

			rpm-regulator-ldoa19 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x13>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l19 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l19";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x12b128>;
					regulator-max-microvolt = <0x149970>;
					qcom,init-voltage = <0x12b128>;
					linux,phandle = <0xf5>;
					phandle = <0xf5>;
				};
			};

			rpm-regulator-ldoa22 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x16>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l22 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l22";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x2ab980>;
					regulator-max-microvolt = <0x2ab980>;
					qcom,init-voltage = <0x2ab980>;
					linux,phandle = <0x133>;
					phandle = <0x133>;
				};
			};

			rpm-regulator-ldoa23 {
				compatible = "qcom,rpm-smd-regulator-resource";
				qcom,resource-name = "ldoa";
				qcom,resource-id = <0x17>;
				qcom,regulator-type = <0x00>;
				qcom,hpm-min-load = <0x2710>;
				status = "okay";

				regulator-l23 {
					compatible = "qcom,rpm-smd-regulator";
					regulator-name = "pm8937_l23";
					qcom,set = <0x03>;
					status = "okay";
					regulator-min-microvolt = <0x124f80>;
					regulator-max-microvolt = <0x124f80>;
					qcom,init-voltage = <0x124f80>;
					linux,phandle = <0x132>;
					phandle = <0x132>;
				};
			};
		};
```