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Diffstat (limited to 'Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml')
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diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml new file mode 100644 index 000000000000..c50402fcba72 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml @@ -0,0 +1,250 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6358-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6358 Regulator + +maintainers: + - Zhiyong Tao <zhiyong.tao@mediatek.com> + +description: + Regulator node of the PMIC. This node should under the PMIC's device node. + All voltage regulators provided by the PMIC are described as sub-nodes of + this node. + +properties: + compatible: + oneOf: + - const: mediatek,mt6358-regulator + - items: + - const: mediatek,mt6366-regulator + - const: mediatek,mt6358-regulator + + vsys-ldo1-supply: + description: Supply for LDOs vfe28, vxo22, vcn28, vaux18, vaud28, vsim1, vusb, vbif28 + vsys-ldo2-supply: + description: Supply for LDOs vldo28 (MT6358 only), vio28, vmc, vmch, vsim2 + vsys-ldo3-supply: + description: Supply for LDOs vcn33, vcama[12] (MT6358 only), vemc, vibr + vsys-vcore-supply: + description: Supply for buck regulator vcore + vsys-vdram1-supply: + description: Supply for buck regulator vdram1 + vsys-vgpu-supply: + description: Supply for buck regulator vgpu + vsys-vmodem-supply: + description: Supply for buck regulator vmodem + vsys-vpa-supply: + description: Supply for buck regulator vpa + vsys-vproc11-supply: + description: Supply for buck regulator vproc11 + vsys-vproc12-supply: + description: Supply for buck regulator vproc12 + vsys-vs1-supply: + description: Supply for buck regulator vs1 + vsys-vs2-supply: + description: Supply for buck regulator vs2 + vs1-ldo1-supply: + description: + Supply for LDOs vrf18, vefuse, vcn18, vcamio (MT6358 only), vio18, vm18 (MT6366 only) + vs2-ldo1-supply: + description: Supply for LDOs vdram2, vmddr (MT6366 only) + vs2-ldo2-supply: + description: Supply for LDOs vrf12, va12 + vs2-ldo3-supply: + description: + Supply for LDOs vsram-core (MT6366 only), vsram-gpu, vsram-others, vsram-proc11, vsram-proc12 + vs2-ldo4-supply: + description: Supply for LDO vcamd + +patternProperties: + "^(buck_)?v(core|dram1|gpu|modem|pa|proc1[12]|s[12])$": + description: Buck regulators + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: + description: | + Buck regulatpr operating modes allowed. Valid values below. + Users should use the macros from dt-bindings/regulator/mediatek,mt6397-regulator.h + 0 (MT6397_BUCK_MODE_AUTO): Auto PFM/PWM mode + 1 (MT6397_BUCK_MODE_FORCE_PWM): Forced PWM mode + items: + enum: [0, 1] + unevaluatedProperties: false + + "^(ldo_)?v(a|rf)12$": + description: LDOs with fixed 1.2V output and 0~100/10mV tuning + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + + "^(ldo_)?v((aux|cn|io|rf)18|camio)$": + description: + LDOs with fixed 1.8V output and 0~100/10mV tuning (vcn18 on MT6366 has variable output) + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + + "^(ldo_)?vxo22$": + description: LDOs with fixed 2.2V output and 0~100/10mV tuning + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + + "^(ldo_)?v(aud|bif|cn|fe|io)28$": + description: LDOs with fixed 2.8V output and 0~100/10mV tuning + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + + "^(ldo_)?vusb$": + description: LDOs with fixed 3.0V output and 0~100/10mV tuning + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + + "^(ldo_)?vsram[_-](core|gpu|others|proc1[12])$": + description: LDOs with variable output + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + + "^(ldo_)?v(cama[12]|camd|cn33|dram2|efuse|emc|ibr|ldo28|m18|mc|mch|mddr|sim[12])$": + description: LDOs with variable output and 0~100/10mV tuning + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: false + unevaluatedProperties: false + +required: + - compatible + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + const: mediatek,mt6358-regulator + then: + patternProperties: + # Old regulator node name scheme (with prefix and underscores) only + # ([^y-] is used to avoid matching -supply + "^(?<!buck_)(?<!ldo_)v.*[^y-](?!-supply)$": false + "^ldo_vsram-": false + # vsram_core regulator doesn't exist on MT6358 + "^ldo_vsram[-_]core$": false + + properties: + # vm18 and vmddr regulators don't exist on MT6358 + ldo_vm18: false + ldo_vmddr: false + + - if: + properties: + compatible: + contains: + const: mediatek,mt6366-regulator + then: + patternProperties: + # Prefer cleaned up regulator node names + "^(buck|ldo)_": false + # Don't allow underscores + "^vsram_": false + # vcam* regulators don't exist on MT6366 + "^vcam": false + + properties: + # vldo28 regulator doesn't exist on MT6366 + vldo28: false + # vs2_ldo4 supply pin doesn't exist on MT6366 + vs2-ldo4-supply: false + +examples: + - | + #include <dt-bindings/regulator/mediatek,mt6397-regulator.h> + + regulator { + compatible = "mediatek,mt6358-regulator"; + + buck_vgpu { + regulator-name = "vgpu"; + regulator-min-microvolt = <625000>; + regulator-max-microvolt = <900000>; + regulator-ramp-delay = <6250>; + regulator-enable-ramp-delay = <200>; + regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO + MT6397_BUCK_MODE_FORCE_PWM>; + }; + + ldo_vsram_gpu { + regulator-name = "vsram_gpu"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1000000>; + regulator-ramp-delay = <6250>; + regulator-enable-ramp-delay = <240>; + }; + }; + + - | + #include <dt-bindings/regulator/mediatek,mt6397-regulator.h> + + regulator { + compatible = "mediatek,mt6366-regulator", "mediatek,mt6358-regulator"; + + vdram1 { + regulator-name = "pp1125_emi_vdd2"; + regulator-min-microvolt = <1125000>; + regulator-max-microvolt = <1125000>; + regulator-ramp-delay = <12500>; + regulator-enable-ramp-delay = <0>; + regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO + MT6397_BUCK_MODE_FORCE_PWM>; + regulator-always-on; + }; + + vproc11 { + regulator-name = "ppvar_dvdd_proc_bc_mt6366"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1200000>; + regulator-ramp-delay = <6250>; + regulator-enable-ramp-delay = <200>; + regulator-allowed-modes = <MT6397_BUCK_MODE_AUTO + MT6397_BUCK_MODE_FORCE_PWM>; + regulator-always-on; + }; + + vmddr { + regulator-name = "pm0750_emi_vmddr"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <750000>; + regulator-enable-ramp-delay = <325>; + regulator-always-on; + }; + + vsram-proc11 { + regulator-name = "pp0900_dvdd_sram_bc"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1120000>; + regulator-ramp-delay = <6250>; + regulator-enable-ramp-delay = <240>; + regulator-always-on; + }; + }; +... |