Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0d9d1080 authored by David Collins's avatar David Collins
Browse files

ARM: dts: qcom: change all rpmh-regulator LDO default modes to HPM 

Change the initial mode of all rpmh-regulator LDO devices from
low power mode (LPM) to high/normal power mode (HPM).  This
avoids problems during boot up if a consumer requests a voltage
before requesting a load current as this will result in the
LDO regulator being switched to LPM.  A subsequent load current
request will switch it to HPM.  However, if the LDO was enabled
and sourcing more current than the LPM limit, then this brief
period can cause the voltage to drop out and lead to hardware
faults.

Change-Id: Ibecd9c439a6b382642a6131eecb92c2a50f64a05
parent 29348bad

qcom/lahaina-regulators.dtsi

+26 −26
Original line number Diff line number Diff line
@@ -142,7 +142,7 @@ 
			regulator-min-microvolt = <912000>;

			regulator-max-microvolt = <920000>;

			qcom,init-voltage = <912000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -160,7 +160,7 @@ 
			regulator-min-microvolt = <3072000>;

			regulator-max-microvolt = <3072000>;

			qcom,init-voltage = <3072000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -178,7 +178,7 @@ 
			regulator-min-microvolt = <904000>;

			regulator-max-microvolt = <904000>;

			qcom,init-voltage = <904000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -254,7 +254,7 @@ 
			regulator-min-microvolt = <2400000>;

			regulator-max-microvolt = <3008000>;

			qcom,init-voltage = <2504000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -288,7 +288,7 @@ 
			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			qcom,init-voltage = <1200000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -463,7 +463,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			qcom,init-voltage = <1800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -481,7 +481,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			qcom,init-voltage = <1800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -499,7 +499,7 @@ 
			regulator-min-microvolt = <3008000>;

			regulator-max-microvolt = <3008000>;

			qcom,init-voltage = <3008000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -517,7 +517,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <3000000>;

			qcom,init-voltage = <1808000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -535,7 +535,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <3000000>;

			qcom,init-voltage = <1808000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -553,7 +553,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <2960000>;

			qcom,init-voltage = <1800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -571,7 +571,7 @@ 
			regulator-min-microvolt = <3008000>;

			regulator-max-microvolt = <3008000>;

			qcom,init-voltage = <3008000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -589,7 +589,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			qcom,init-voltage = <1800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -607,7 +607,7 @@ 
			regulator-min-microvolt = <2960000>;

			regulator-max-microvolt = <3008000>;

			qcom,init-voltage = <2960000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -625,7 +625,7 @@ 
			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			qcom,init-voltage = <1200000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -643,7 +643,7 @@ 
			regulator-min-microvolt = <2400000>;

			regulator-max-microvolt = <3008000>;

			qcom,init-voltage = <2504000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -661,7 +661,7 @@ 
			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			qcom,init-voltage = <1800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -679,7 +679,7 @@ 
			regulator-min-microvolt = <3000000>;

			regulator-max-microvolt = <3000000>;

			qcom,init-voltage = <3000000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -709,7 +709,7 @@ 
			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			qcom,init-voltage = <1200000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -763,7 +763,7 @@ 
			regulator-min-microvolt = <912000>;

			regulator-max-microvolt = <912000>;

			qcom,init-voltage = <912000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -781,7 +781,7 @@ 
			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			qcom,init-voltage = <1200000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -799,7 +799,7 @@ 
			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			qcom,init-voltage = <1200000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -817,7 +817,7 @@ 
			regulator-min-microvolt = <1776000>;

			regulator-max-microvolt = <1872000>;

			qcom,init-voltage = <1776000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -835,7 +835,7 @@ 
			regulator-min-microvolt = <800000>;

			regulator-max-microvolt = <800000>;

			qcom,init-voltage = <800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -853,7 +853,7 @@ 
			regulator-min-microvolt = <480000>;

			regulator-max-microvolt = <904000>;

			qcom,init-voltage = <800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};
@@ -871,7 +871,7 @@ 
			regulator-min-microvolt = <2800000>;

			regulator-max-microvolt = <2800000>;

			qcom,init-voltage = <2800000>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_LPM>;

			qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;

		};

	};

};