regulator: Convert RPMh regulator bindings to YAML
Convert RPMh regulator bindings from .txt to .yaml format. Signed-off-by: satya priya <skakit@codeaurora.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1617192339-3760-5-git-send-email-skakit@codeaurora.org Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
satya priya
Mark Brown
parent
c4e5aa3dbe
commit
7255f98d08
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Qualcomm Technologies, Inc. RPMh Regulators
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rpmh-regulator devices support PMIC regulator management via the Voltage
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Regulator Manager (VRM) and Oscillator Buffer (XOB) RPMh accelerators. The APPS
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processor communicates with these hardware blocks via a Resource State
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Coordinator (RSC) using command packets. The VRM allows changing three
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parameters for a given regulator: enable state, output voltage, and operating
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mode. The XOB allows changing only a single parameter for a given regulator:
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its enable state. Despite its name, the XOB is capable of controlling the
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enable state of any PMIC peripheral. It is used for clock buffers, low-voltage
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switches, and LDO/SMPS regulators which have a fixed voltage and mode.
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=======================
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Required Node Structure
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=======================
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RPMh regulators must be described in two levels of device nodes. The first
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level describes the PMIC containing the regulators and must reside within an
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RPMh device node. The second level describes each regulator within the PMIC
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which is to be used on the board. Each of these regulators maps to a single
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RPMh resource.
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The names used for regulator nodes must match those supported by a given PMIC.
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Supported regulator node names:
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PM8005: smps1 - smps4
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PM8009: smps1 - smps2, ldo1 - ldo7
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PM8150: smps1 - smps10, ldo1 - ldo18
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PM8150L: smps1 - smps8, ldo1 - ldo11, bob, flash, rgb
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PM8350: smps1 - smps12, ldo1 - ldo10,
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PM8350C: smps1 - smps10, ldo1 - ldo13, bob
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PM8998: smps1 - smps13, ldo1 - ldo28, lvs1 - lvs2
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PMI8998: bob
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PM6150: smps1 - smps5, ldo1 - ldo19
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PM6150L: smps1 - smps8, ldo1 - ldo11, bob
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PMX55: smps1 - smps7, ldo1 - ldo16
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========================
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First Level Nodes - PMIC
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========================
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- compatible
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Usage: required
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Value type: <string>
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Definition: Must be one of below:
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"qcom,pm8005-rpmh-regulators"
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"qcom,pm8009-rpmh-regulators"
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"qcom,pm8009-1-rpmh-regulators"
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"qcom,pm8150-rpmh-regulators"
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"qcom,pm8150l-rpmh-regulators"
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"qcom,pm8350-rpmh-regulators"
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"qcom,pm8350c-rpmh-regulators"
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"qcom,pm8998-rpmh-regulators"
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"qcom,pmc8180-rpmh-regulators"
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"qcom,pmc8180c-rpmh-regulators"
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"qcom,pmi8998-rpmh-regulators"
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"qcom,pm6150-rpmh-regulators"
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"qcom,pm6150l-rpmh-regulators"
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"qcom,pmx55-rpmh-regulators"
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- qcom,pmic-id
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Usage: required
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Value type: <string>
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Definition: RPMh resource name suffix used for the regulators found on
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this PMIC. Typical values: "a", "b", "c", "d", "e", "f".
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- vdd-s1-supply
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- vdd-s2-supply
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- vdd-s3-supply
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- vdd-s4-supply
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Usage: optional (PM8998 and PM8005 only)
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Value type: <phandle>
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Definition: phandle of the parent supply regulator of one or more of the
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regulators for this PMIC.
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- vdd-s5-supply
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- vdd-s6-supply
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- vdd-s7-supply
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- vdd-s8-supply
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- vdd-s9-supply
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- vdd-s10-supply
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- vdd-s11-supply
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- vdd-s12-supply
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- vdd-s13-supply
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- vdd-l1-l27-supply
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- vdd-l2-l8-l17-supply
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- vdd-l3-l11-supply
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- vdd-l4-l5-supply
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- vdd-l6-supply
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- vdd-l7-l12-l14-l15-supply
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- vdd-l9-supply
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- vdd-l10-l23-l25-supply
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- vdd-l13-l19-l21-supply
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- vdd-l16-l28-supply
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- vdd-l18-l22-supply
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- vdd-l20-l24-supply
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- vdd-l26-supply
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- vin-lvs-1-2-supply
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Usage: optional (PM8998 only)
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Value type: <phandle>
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Definition: phandle of the parent supply regulator of one or more of the
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regulators for this PMIC.
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- vdd-bob-supply
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Usage: optional (PMI8998 only)
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Value type: <phandle>
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Definition: BOB regulator parent supply phandle
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===============================
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Second Level Nodes - Regulators
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===============================
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- qcom,always-wait-for-ack
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Usage: optional
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Value type: <empty>
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Definition: Boolean flag which indicates that the application processor
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must wait for an ACK or a NACK from RPMh for every request
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sent for this regulator including those which are for a
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strictly lower power state.
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Other properties defined in Documentation/devicetree/bindings/regulator/regulator.txt
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may also be used. regulator-initial-mode and regulator-allowed-modes may be
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specified for VRM regulators using mode values from
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include/dt-bindings/regulator/qcom,rpmh-regulator.h. regulator-allow-bypass
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may be specified for BOB type regulators managed via VRM.
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regulator-allow-set-load may be specified for LDO type regulators managed via
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VRM.
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========
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Examples
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========
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#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
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&apps_rsc {
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pm8998-rpmh-regulators {
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compatible = "qcom,pm8998-rpmh-regulators";
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qcom,pmic-id = "a";
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vdd-l7-l12-l14-l15-supply = <&pm8998_s5>;
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smps2 {
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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};
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pm8998_s5: smps5 {
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regulator-min-microvolt = <1904000>;
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regulator-max-microvolt = <2040000>;
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};
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ldo7 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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regulator-allowed-modes =
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<RPMH_REGULATOR_MODE_LPM
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RPMH_REGULATOR_MODE_HPM>;
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regulator-allow-set-load;
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};
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lvs1 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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};
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pmi8998-rpmh-regulators {
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compatible = "qcom,pmi8998-rpmh-regulators";
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qcom,pmic-id = "b";
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bob {
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regulator-min-microvolt = <3312000>;
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regulator-max-microvolt = <3600000>;
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regulator-allowed-modes =
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<RPMH_REGULATOR_MODE_AUTO
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RPMH_REGULATOR_MODE_HPM>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
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};
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};
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};
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@ -0,0 +1,158 @@
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/regulator/qcom,rpmh-regulator.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Technologies, Inc. RPMh Regulators
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maintainers:
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- David Collins <collinsd@codeaurora.org>
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description: |
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rpmh-regulator devices support PMIC regulator management via the Voltage
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Regulator Manager (VRM) and Oscillator Buffer (XOB) RPMh accelerators.
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The APPS processor communicates with these hardware blocks via a
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Resource State Coordinator (RSC) using command packets. The VRM allows
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changing three parameters for a given regulator, enable state, output
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voltage, and operating mode. The XOB allows changing only a single
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parameter for a given regulator, its enable state. Despite its name,
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the XOB is capable of controlling the enable state of any PMIC peripheral.
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It is used for clock buffers, low-voltage switches, and LDO/SMPS regulators
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which have a fixed voltage and mode.
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=======================
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Required Node Structure
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=======================
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RPMh regulators must be described in two levels of device nodes. The first
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level describes the PMIC containing the regulators and must reside within an
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RPMh device node. The second level describes each regulator within the PMIC
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which is to be used on the board. Each of these regulators maps to a single
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RPMh resource.
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The names used for regulator nodes must match those supported by a given
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PMIC. Supported regulator node names are
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For PM8005, smps1 - smps4
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For PM8009, smps1 - smps2, ldo1 - ldo7
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For PM8150, smps1 - smps10, ldo1 - ldo18
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For PM8150L, smps1 - smps8, ldo1 - ldo11, bob, flash, rgb
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For PM8350, smps1 - smps12, ldo1 - ldo10
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For PM8350C, smps1 - smps10, ldo1 - ldo13, bob
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For PM8998, smps1 - smps13, ldo1 - ldo28, lvs1 - lvs2
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For PMI8998, bob
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For PM6150, smps1 - smps5, ldo1 - ldo19
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For PM6150L, smps1 - smps8, ldo1 - ldo11, bob
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For PMX55, smps1 - smps7, ldo1 - ldo16
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properties:
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compatible:
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enum:
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- qcom,pm8005-rpmh-regulators
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- qcom,pm8009-rpmh-regulators
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- qcom,pm8009-1-rpmh-regulators
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- qcom,pm8150-rpmh-regulators
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- qcom,pm8150l-rpmh-regulators
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- qcom,pm8350-rpmh-regulators
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- qcom,pm8350c-rpmh-regulators
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- qcom,pm8998-rpmh-regulators
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- qcom,pmi8998-rpmh-regulators
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- qcom,pm6150-rpmh-regulators
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- qcom,pm6150l-rpmh-regulators
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- qcom,pmx55-rpmh-regulators
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qcom,pmic-id:
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description: |
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RPMh resource name suffix used for the regulators found
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on this PMIC.
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$ref: /schemas/types.yaml#/definitions/string
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enum: [a, b, c, d, e, f]
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qcom,always-wait-for-ack:
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description: |
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Boolean flag which indicates that the application processor
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must wait for an ACK or a NACK from RPMh for every request
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sent for this regulator including those which are for a
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strictly lower power state.
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$ref: /schemas/types.yaml#/definitions/flag
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vdd-flash-supply:
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description: Input supply phandle of flash.
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vdd-rgb-supply:
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description: Input supply phandle of rgb.
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vin-lvs-1-2-supply:
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description: Input supply phandle of one or more regulators.
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vdd-bob-supply:
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description: BOB regulator parent supply phandle.
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bob:
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type: object
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$ref: "regulator.yaml#"
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description: BOB regulator node.
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patternProperties:
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"^vdd-s([0-9]+)-supply$":
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description: Input supply phandle(s) of one or more regulators.
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"^vdd-(l[0-9]+[-]){1,5}supply$":
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description: Input supply phandle(s) of one or more regulators.
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"^(smps|ldo|lvs)[0-9]+$":
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type: object
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$ref: "regulator.yaml#"
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description: smps/ldo regulator nodes(s).
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additionalProperties: false
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required:
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- compatible
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- qcom,pmic-id
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examples:
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- |
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#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
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pm8998-rpmh-regulators {
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compatible = "qcom,pm8998-rpmh-regulators";
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qcom,pmic-id = "a";
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vdd-l7-l12-l14-l15-supply = <&pm8998_s5>;
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smps2 {
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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};
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ldo7 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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regulator-allowed-modes =
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<RPMH_REGULATOR_MODE_LPM
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RPMH_REGULATOR_MODE_HPM>;
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regulator-allow-set-load;
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};
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lvs1 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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};
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pmi8998-rpmh-regulators {
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compatible = "qcom,pmi8998-rpmh-regulators";
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qcom,pmic-id = "b";
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bob {
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regulator-min-microvolt = <3312000>;
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regulator-max-microvolt = <3600000>;
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regulator-allowed-modes =
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<RPMH_REGULATOR_MODE_AUTO
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RPMH_REGULATOR_MODE_HPM>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
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};
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};
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...
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