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Add MediaTek MT6357 PMIC support
Merge series from Alexandre Mergnat <amergnat@baylibre.com>: This adds regulator support for the MT6357 PMIC.
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‎Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml

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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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$id: http://devicetree.org/schemas/regulator/mediatek,mt6357-regulator.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek MT6357 Regulators
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maintainers:
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- Chen Zhong <chen.zhong@mediatek.com>
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- Fabien Parent <fabien.parent@linaro.org>
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- Alexandre Mergnat <amergnat@baylibre.com>
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description: |
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The MT6357 PMIC provides 5 BUCK and 29 LDO.
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Regulators and nodes are named according to the regulator type:
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- buck-<name>
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- ldo-<name>.
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MT6357 regulators node should be sub node of the MT6397 MFD node.
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patternProperties:
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"^buck-v(core|modem|pa|proc|s1)$":
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type: object
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$ref: regulator.yaml#
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unevaluatedProperties: false
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description:
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Properties for single BUCK regulator.
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required:
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- regulator-name
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- regulator-min-microvolt
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- regulator-max-microvolt
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"^ldo-v(camio18|aud28|aux18|io18|io28|rf12|rf18|cn18|cn28|fe28)$":
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type: object
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$ref: fixed-regulator.yaml#
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unevaluatedProperties: false
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description:
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Properties for single fixed LDO regulator.
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required:
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- regulator-name
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- regulator-min-microvolt
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- regulator-max-microvolt
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"^ldo-v(efuse|ibr|ldo28|mch|cama|camd|cn33-bt|cn33-wifi)$":
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type: object
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$ref: regulator.yaml#
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unevaluatedProperties: false
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description:
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Properties for single LDO regulator.
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required:
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- regulator-name
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- regulator-min-microvolt
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- regulator-max-microvolt
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"^ldo-v(xo22|emc|mc|sim1|sim2|sram-others|sram-proc|dram|usb33)$":
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type: object
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$ref: regulator.yaml#
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unevaluatedProperties: false
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description:
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Properties for single LDO regulator.
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required:
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- regulator-name
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- regulator-min-microvolt
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- regulator-max-microvolt
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additionalProperties: false
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examples:
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- |
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pmic {
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regulators {
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mt6357_vproc_reg: buck-vproc {
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regulator-name = "vproc";
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regulator-min-microvolt = <518750>;
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regulator-max-microvolt = <1312500>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <220>;
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regulator-always-on;
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};
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mt6357_vcore_reg: buck-vcore {
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regulator-name = "vcore";
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regulator-min-microvolt = <518750>;
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regulator-max-microvolt = <1312500>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <220>;
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regulator-always-on;
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};
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mt6357_vmodem_reg: buck-vmodem {
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regulator-name = "vmodem";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <1193750>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <220>;
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};
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mt6357_vs1_reg: buck-vs1 {
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regulator-name = "vs1";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <2200000>;
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regulator-ramp-delay = <12500>;
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regulator-enable-ramp-delay = <220>;
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regulator-always-on;
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};
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mt6357_vpa_reg: buck-vpa {
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regulator-name = "vpa";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <3650000>;
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regulator-ramp-delay = <50000>;
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regulator-enable-ramp-delay = <220>;
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};
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mt6357_vfe28_reg: ldo-vfe28 {
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compatible = "regulator-fixed";
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regulator-name = "vfe28";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vxo22_reg: ldo-vxo22 {
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regulator-name = "vxo22";
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regulator-min-microvolt = <2200000>;
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regulator-max-microvolt = <2400000>;
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regulator-enable-ramp-delay = <110>;
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};
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mt6357_vrf18_reg: ldo-vrf18 {
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compatible = "regulator-fixed";
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regulator-name = "vrf18";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-enable-ramp-delay = <110>;
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};
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mt6357_vrf12_reg: ldo-vrf12 {
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compatible = "regulator-fixed";
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regulator-name = "vrf12";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-enable-ramp-delay = <110>;
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};
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mt6357_vefuse_reg: ldo-vefuse {
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regulator-name = "vefuse";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcn33_bt_reg: ldo-vcn33-bt {
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regulator-name = "vcn33-bt";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3500000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcn33_wifi_reg: ldo-vcn33-wifi {
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regulator-name = "vcn33-wifi";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3500000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcn28_reg: ldo-vcn28 {
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compatible = "regulator-fixed";
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regulator-name = "vcn28";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcn18_reg: ldo-vcn18 {
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compatible = "regulator-fixed";
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regulator-name = "vcn18";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcama_reg: ldo-vcama {
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regulator-name = "vcama";
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcamd_reg: ldo-vcamd {
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regulator-name = "vcamd";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vcamio_reg: ldo-vcamio18 {
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compatible = "regulator-fixed";
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regulator-name = "vcamio";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vldo28_reg: ldo-vldo28 {
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regulator-name = "vldo28";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <3000000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vsram_others_reg: ldo-vsram-others {
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regulator-name = "vsram-others";
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regulator-min-microvolt = <518750>;
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regulator-max-microvolt = <1312500>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <110>;
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regulator-always-on;
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};
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mt6357_vsram_proc_reg: ldo-vsram-proc {
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regulator-name = "vsram-proc";
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regulator-min-microvolt = <518750>;
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regulator-max-microvolt = <1312500>;
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regulator-ramp-delay = <6250>;
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regulator-enable-ramp-delay = <110>;
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regulator-always-on;
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};
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mt6357_vaux18_reg: ldo-vaux18 {
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compatible = "regulator-fixed";
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regulator-name = "vaux18";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vaud28_reg: ldo-vaud28 {
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compatible = "regulator-fixed";
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regulator-name = "vaud28";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vio28_reg: ldo-vio28 {
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compatible = "regulator-fixed";
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regulator-name = "vio28";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vio18_reg: ldo-vio18 {
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compatible = "regulator-fixed";
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regulator-name = "vio18";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-enable-ramp-delay = <264>;
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regulator-always-on;
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};
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mt6357_vdram_reg: ldo-vdram {
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regulator-name = "vdram";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1200000>;
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regulator-enable-ramp-delay = <3300>;
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};
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mt6357_vmc_reg: ldo-vmc {
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regulator-name = "vmc";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <44>;
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};
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mt6357_vmch_reg: ldo-vmch {
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regulator-name = "vmch";
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regulator-min-microvolt = <2900000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <44>;
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};
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mt6357_vemc_reg: ldo-vemc {
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regulator-name = "vemc";
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regulator-min-microvolt = <2900000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <44>;
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regulator-always-on;
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};
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mt6357_vsim1_reg: ldo-vsim1 {
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regulator-name = "vsim1";
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regulator-min-microvolt = <1700000>;
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regulator-max-microvolt = <3100000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vsim2_reg: ldo-vsim2 {
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regulator-name = "vsim2";
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regulator-min-microvolt = <1700000>;
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regulator-max-microvolt = <3100000>;
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regulator-enable-ramp-delay = <264>;
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};
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mt6357_vibr_reg: ldo-vibr {
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regulator-name = "vibr";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-enable-ramp-delay = <44>;
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};
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mt6357_vusb33_reg: ldo-vusb33 {
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regulator-name = "vusb33";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3100000>;
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regulator-enable-ramp-delay = <264>;
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};
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};
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};
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...

‎drivers/regulator/Kconfig

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@@ -805,6 +805,15 @@ config REGULATOR_MT6332
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This driver supports the control of different power rails of device
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through regulator interface
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config REGULATOR_MT6357
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tristate "MediaTek MT6357 PMIC"
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depends on MFD_MT6397
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help
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Say y here to select this option to enable the power regulator of
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MediaTek MT6357 PMIC.
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This driver supports the control of different power rails of device
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through regulator interface.
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config REGULATOR_MT6358
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tristate "MediaTek MT6358 PMIC"
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depends on MFD_MT6397

‎drivers/regulator/Makefile

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@@ -97,6 +97,7 @@ obj-$(CONFIG_REGULATOR_MT6315) += mt6315-regulator.o
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obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
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obj-$(CONFIG_REGULATOR_MT6331) += mt6331-regulator.o
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obj-$(CONFIG_REGULATOR_MT6332) += mt6332-regulator.o
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obj-$(CONFIG_REGULATOR_MT6357) += mt6357-regulator.o
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obj-$(CONFIG_REGULATOR_MT6358) += mt6358-regulator.o
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obj-$(CONFIG_REGULATOR_MT6359) += mt6359-regulator.o
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obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o

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