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This patch adds support and documentation for the PMA8084 regulators found on APQ8084 platforms. Signed-off-by: Andy Gross <agross@codeaurora.org> Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Mark Brown <broonie@kernel.org>
160 lines
4.0 KiB
Plaintext
160 lines
4.0 KiB
Plaintext
QCOM SMD RPM REGULATOR
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The Qualcomm RPM over SMD regulator is modelled as a subdevice of the RPM.
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Because SMD is used as the communication transport mechanism, the RPM resides as
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a subnode of the SMD. As such, the SMD-RPM regulator requires that the SMD and
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RPM nodes be present.
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Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt for
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information pertaining to the SMD node.
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Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt for
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information regarding the RPM node.
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== Regulator
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Regulator nodes are identified by their compatible:
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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:
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"qcom,rpm-pm8841-regulators"
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"qcom,rpm-pm8916-regulators"
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"qcom,rpm-pm8941-regulators"
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"qcom,rpm-pma8084-regulators"
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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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- 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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Usage: optional (pm8841 only)
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Value type: <phandle>
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Definition: reference to regulator supplying the input pin, as
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described in the data sheet
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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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- vdd_l1_l2_l3-supply:
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- vdd_l4_l5_l6-supply:
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- vdd_l7-supply:
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- vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18-supply:
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Usage: optional (pm8916 only)
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Value type: <phandle>
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Definition: reference to regulator supplying the input pin, as
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described in the data sheet
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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_l1_l3-supply:
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- vdd_l2_lvs1_2_3-supply:
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- vdd_l4_l11-supply:
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- vdd_l5_l7-supply:
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- vdd_l6_l12_l14_l15-supply:
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- vdd_l8_l16_l18_l19-supply:
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- vdd_l9_l10_l17_l22-supply:
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- vdd_l13_l20_l23_l24-supply:
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- vdd_l21-supply:
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- vin_5vs-supply:
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Usage: optional (pm8941 only)
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Value type: <phandle>
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Definition: reference to regulator supplying the input pin, as
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described in the data sheet
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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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- 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_l1_l11-supply:
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- vdd_l2_l3_l4_l27-supply:
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- vdd_l5_l7-supply:
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- vdd_l6_l12_l14_l15_l26-supply:
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- vdd_l8-supply:
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- vdd_l9_l10_l13_l20_l23_l24-supply:
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- vdd_l16_l25-supply:
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- vdd_l17-supply:
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- vdd_l18-supply:
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- vdd_l19-supply:
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- vdd_l21-supply:
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- vdd_l22-supply:
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Usage: optional (pma8084 only)
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Value type: <phandle>
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Definition: reference to regulator supplying the input pin, as
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described in the data sheet
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The regulator node houses sub-nodes for each regulator within the device. Each
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sub-node is identified using the node's name, with valid values listed for each
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of the pmics below.
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pm8841:
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s1, s2, s3, s4, s5, s6, s7, s8
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pm8916:
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s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13,
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l14, l15, l16, l17, l18
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pm8941:
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s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13,
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l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2,
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lvs3, 5vs1, 5vs2
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pma8084:
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s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5,
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l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20,
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l21, l22, l23, l24, l25, l26, l27, lvs1, lvs2, lvs3, lvs4, 5vs1
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The content of each sub-node is defined by the standard binding for regulators -
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see regulator.txt.
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= EXAMPLE
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smd {
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compatible = "qcom,smd";
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rpm {
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interrupts = <0 168 1>;
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qcom,ipc = <&apcs 8 0>;
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qcom,smd-edge = <15>;
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rpm_requests {
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compatible = "qcom,rpm-msm8974";
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qcom,smd-channels = "rpm_requests";
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pm8941-regulators {
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compatible = "qcom,rpm-pm8941-regulators";
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vdd_l13_l20_l23_l24-supply = <&pm8941_boost>;
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pm8941_s3: s3 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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pm8941_boost: s4 {
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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pm8941_l20: l20 {
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regulator-min-microvolt = <2950000>;
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regulator-max-microvolt = <2950000>;
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};
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};
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};
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};
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};
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