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regulator: Add document for MT6358 regulator
add dt-binding document for MediaTek MT6358 PMIC Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com> Link: https://lore.kernel.org/r/1566531931-9772-6-git-send-email-hsin-hsiung.wang@mediatek.com Signed-off-by: Mark Brown <broonie@kernel.org>
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Documentation/devicetree/bindings/regulator/mt6358-regulator.txt
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| @@ -0,0 +1,358 @@ | ||
| MediaTek MT6358 Regulator | ||
|
|
||
| All voltage regulators provided by the MT6358 PMIC are described as the | ||
| subnodes of the MT6358 regulators node. Each regulator is named according | ||
| to its regulator type, buck_<name> and ldo_<name>. The definition for each | ||
| of these nodes is defined using the standard binding for regulators at | ||
| Documentation/devicetree/bindings/regulator/regulator.txt. | ||
|
|
||
| The valid names for regulators are:: | ||
| BUCK: | ||
| buck_vdram1, buck_vcore, buck_vpa, buck_vproc11, buck_vproc12, buck_vgpu, | ||
| buck_vs2, buck_vmodem, buck_vs1 | ||
| LDO: | ||
| ldo_vdram2, ldo_vsim1, ldo_vibr, ldo_vrf12, ldo_vio18, ldo_vusb, ldo_vcamio, | ||
| ldo_vcamd, ldo_vcn18, ldo_vfe28, ldo_vsram_proc11, ldo_vcn28, ldo_vsram_others, | ||
| ldo_vsram_gpu, ldo_vxo22, ldo_vefuse, ldo_vaux18, ldo_vmch, ldo_vbif28, | ||
| ldo_vsram_proc12, ldo_vcama1, ldo_vemc, ldo_vio28, ldo_va12, ldo_vrf18, | ||
| ldo_vcn33_bt, ldo_vcn33_wifi, ldo_vcama2, ldo_vmc, ldo_vldo28, ldo_vaud28, | ||
| ldo_vsim2 | ||
|
|
||
| Example: | ||
|
|
||
| pmic { | ||
| compatible = "mediatek,mt6358"; | ||
|
|
||
| mt6358regulator: mt6358regulator { | ||
| compatible = "mediatek,mt6358-regulator"; | ||
|
|
||
| mt6358_vdram1_reg: buck_vdram1 { | ||
| regulator-compatible = "buck_vdram1"; | ||
| regulator-name = "vdram1"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <2087500>; | ||
| regulator-ramp-delay = <12500>; | ||
| regulator-enable-ramp-delay = <0>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vcore_reg: buck_vcore { | ||
| regulator-name = "vcore"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <200>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vpa_reg: buck_vpa { | ||
| regulator-name = "vpa"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <3650000>; | ||
| regulator-ramp-delay = <50000>; | ||
| regulator-enable-ramp-delay = <250>; | ||
| }; | ||
|
|
||
| mt6358_vproc11_reg: buck_vproc11 { | ||
| regulator-name = "vproc11"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <200>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vproc12_reg: buck_vproc12 { | ||
| regulator-name = "vproc12"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <200>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vgpu_reg: buck_vgpu { | ||
| regulator-name = "vgpu"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <200>; | ||
| }; | ||
|
|
||
| mt6358_vs2_reg: buck_vs2 { | ||
| regulator-name = "vs2"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <2087500>; | ||
| regulator-ramp-delay = <12500>; | ||
| regulator-enable-ramp-delay = <0>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vmodem_reg: buck_vmodem { | ||
| regulator-name = "vmodem"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <900>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vs1_reg: buck_vs1 { | ||
| regulator-name = "vs1"; | ||
| regulator-min-microvolt = <1000000>; | ||
| regulator-max-microvolt = <2587500>; | ||
| regulator-ramp-delay = <12500>; | ||
| regulator-enable-ramp-delay = <0>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vdram2_reg: ldo_vdram2 { | ||
| regulator-name = "vdram2"; | ||
| regulator-min-microvolt = <600000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <3300>; | ||
| }; | ||
|
|
||
| mt6358_vsim1_reg: ldo_vsim1 { | ||
| regulator-name = "vsim1"; | ||
| regulator-min-microvolt = <1700000>; | ||
| regulator-max-microvolt = <3100000>; | ||
| regulator-enable-ramp-delay = <540>; | ||
| }; | ||
|
|
||
| mt6358_vibr_reg: ldo_vibr { | ||
| regulator-name = "vibr"; | ||
| regulator-min-microvolt = <1200000>; | ||
| regulator-max-microvolt = <3300000>; | ||
| regulator-enable-ramp-delay = <60>; | ||
| }; | ||
|
|
||
| mt6358_vrf12_reg: ldo_vrf12 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vrf12"; | ||
| regulator-min-microvolt = <1200000>; | ||
| regulator-max-microvolt = <1200000>; | ||
| regulator-enable-ramp-delay = <120>; | ||
| }; | ||
|
|
||
| mt6358_vio18_reg: ldo_vio18 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vio18"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <2700>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vusb_reg: ldo_vusb { | ||
| regulator-name = "vusb"; | ||
| regulator-min-microvolt = <3000000>; | ||
| regulator-max-microvolt = <3100000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vcamio_reg: ldo_vcamio { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vcamio"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vcamd_reg: ldo_vcamd { | ||
| regulator-name = "vcamd"; | ||
| regulator-min-microvolt = <900000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vcn18_reg: ldo_vcn18 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vcn18"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vfe28_reg: ldo_vfe28 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vfe28"; | ||
| regulator-min-microvolt = <2800000>; | ||
| regulator-max-microvolt = <2800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vsram_proc11_reg: ldo_vsram_proc11 { | ||
| regulator-name = "vsram_proc11"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <240>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vcn28_reg: ldo_vcn28 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vcn28"; | ||
| regulator-min-microvolt = <2800000>; | ||
| regulator-max-microvolt = <2800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vsram_others_reg: ldo_vsram_others { | ||
| regulator-name = "vsram_others"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <240>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vsram_gpu_reg: ldo_vsram_gpu { | ||
| regulator-name = "vsram_gpu"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <240>; | ||
| }; | ||
|
|
||
| mt6358_vxo22_reg: ldo_vxo22 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vxo22"; | ||
| regulator-min-microvolt = <2200000>; | ||
| regulator-max-microvolt = <2200000>; | ||
| regulator-enable-ramp-delay = <120>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vefuse_reg: ldo_vefuse { | ||
| regulator-name = "vefuse"; | ||
| regulator-min-microvolt = <1700000>; | ||
| regulator-max-microvolt = <1900000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vaux18_reg: ldo_vaux18 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vaux18"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vmch_reg: ldo_vmch { | ||
| regulator-name = "vmch"; | ||
| regulator-min-microvolt = <2900000>; | ||
| regulator-max-microvolt = <3300000>; | ||
| regulator-enable-ramp-delay = <60>; | ||
| }; | ||
|
|
||
| mt6358_vbif28_reg: ldo_vbif28 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vbif28"; | ||
| regulator-min-microvolt = <2800000>; | ||
| regulator-max-microvolt = <2800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vsram_proc12_reg: ldo_vsram_proc12 { | ||
| regulator-name = "vsram_proc12"; | ||
| regulator-min-microvolt = <500000>; | ||
| regulator-max-microvolt = <1293750>; | ||
| regulator-ramp-delay = <6250>; | ||
| regulator-enable-ramp-delay = <240>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vcama1_reg: ldo_vcama1 { | ||
| regulator-name = "vcama1"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <3000000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vemc_reg: ldo_vemc { | ||
| regulator-name = "vemc"; | ||
| regulator-min-microvolt = <2900000>; | ||
| regulator-max-microvolt = <3300000>; | ||
| regulator-enable-ramp-delay = <60>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vio28_reg: ldo_vio28 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vio28"; | ||
| regulator-min-microvolt = <2800000>; | ||
| regulator-max-microvolt = <2800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_va12_reg: ldo_va12 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "va12"; | ||
| regulator-min-microvolt = <1200000>; | ||
| regulator-max-microvolt = <1200000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| regulator-always-on; | ||
| }; | ||
|
|
||
| mt6358_vrf18_reg: ldo_vrf18 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vrf18"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <1800000>; | ||
| regulator-enable-ramp-delay = <120>; | ||
| }; | ||
|
|
||
| mt6358_vcn33_bt_reg: ldo_vcn33_bt { | ||
| regulator-name = "vcn33_bt"; | ||
| regulator-min-microvolt = <3300000>; | ||
| regulator-max-microvolt = <3500000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vcn33_wifi_reg: ldo_vcn33_wifi { | ||
| regulator-name = "vcn33_wifi"; | ||
| regulator-min-microvolt = <3300000>; | ||
| regulator-max-microvolt = <3500000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vcama2_reg: ldo_vcama2 { | ||
| regulator-name = "vcama2"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <3000000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vmc_reg: ldo_vmc { | ||
| regulator-name = "vmc"; | ||
| regulator-min-microvolt = <1800000>; | ||
| regulator-max-microvolt = <3300000>; | ||
| regulator-enable-ramp-delay = <60>; | ||
| }; | ||
|
|
||
| mt6358_vldo28_reg: ldo_vldo28 { | ||
| regulator-name = "vldo28"; | ||
| regulator-min-microvolt = <2800000>; | ||
| regulator-max-microvolt = <3000000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vaud28_reg: ldo_vaud28 { | ||
| compatible = "regulator-fixed"; | ||
| regulator-name = "vaud28"; | ||
| regulator-min-microvolt = <2800000>; | ||
| regulator-max-microvolt = <2800000>; | ||
| regulator-enable-ramp-delay = <270>; | ||
| }; | ||
|
|
||
| mt6358_vsim2_reg: ldo_vsim2 { | ||
| regulator-name = "vsim2"; | ||
| regulator-min-microvolt = <1700000>; | ||
| regulator-max-microvolt = <3100000>; | ||
| regulator-enable-ramp-delay = <540>; | ||
| }; | ||
| }; | ||
| }; |