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author | 2019-08-23 11:45:26 +0800 | |
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committer | 2019-08-28 11:51:17 +0100 | |
commit | fa00eb4eb2361ffc594bd9c6d78c585e7112c5dc (patch) | |
tree | c5ea5f6bd225821e65193b3ccf4388b3fd0c5eec | |
parent | regulator: sy8824x: add SY20278 support (diff) | |
download | linux-fa00eb4eb2361ffc594bd9c6d78c585e7112c5dc.tar.gz linux-fa00eb4eb2361ffc594bd9c6d78c585e7112c5dc.tar.bz2 linux-fa00eb4eb2361ffc594bd9c6d78c585e7112c5dc.zip |
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>
-rw-r--r-- | Documentation/devicetree/bindings/regulator/mt6358-regulator.txt | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/mt6358-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6358-regulator.txt new file mode 100644 index 000000000000..9a90a92f2d7e --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mt6358-regulator.txt @@ -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>; + }; + }; + }; |