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[81.185.169.34]) by smtp.gmail.com with ESMTPSA id j7sm14106305wrn.81.2020.10.24.13.03.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Oct 2020 13:03:07 -0700 (PDT) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 1/2] dt-bindings: regulator: add support for MT6392 Date: Sat, 24 Oct 2020 22:03:03 +0200 Message-Id: <20201024200304.1427864-1-fparent@baylibre.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201024_160311_914764_69F31F6B X-CRM114-Status: GOOD ( 14.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , lgirdwood@gmail.com, robh+dt@kernel.org, Fabien Parent , broonie@kernel.org, matthias.bgg@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add binding documentation of the regulator for MT6392 SoCs. Signed-off-by: Fabien Parent Reviewed-by: Rob Herring --- v5: * No change v4: * No change v3: * No change v2: * Use 'pmic' as node name for the pmic. * Use 'regulators' as node name for the regulators * use dash instead of underscore for regulator's node names. .../bindings/regulator/mt6392-regulator.txt | 220 ++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mt6392-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/mt6392-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6392-regulator.txt new file mode 100644 index 000000000000..d03c0707fabc --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mt6392-regulator.txt @@ -0,0 +1,220 @@ +Mediatek MT6392 Regulator + +Required properties: +- compatible: "mediatek,mt6392-regulator" +- mt6392regulator: List of regulators provided by this controller. It is named + according to its regulator type, buck_ and ldo_. + 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_vproc, buck_vsys, buck_vcore +LDO: + ldo_vxo22, ldo_vaud22, ldo_vcama, ldo_vaud28, ldo_vadc18, ldo_vcn35, + ldo_vio28. ldo_vusb, ldo_vmc, ldo_vmch, ldo_vemc3v3, ldo_vgp1, ldo_vgp2, + ldo_vcn18, ldo_vcamaf, ldo_vm, ldo_vio18, ldo_vcamd, ldo_vcamio, ldo_vm25, + ldo_vefuse + +Example: + pmic { + compatible = "mediatek,mt6392", "mediatek,mt6323"; + mediatek,system-power-controller; + + regulator { + compatible = "mediatek,mt6392-regulator"; + + mt6392_vproc_reg: buck-vproc { + regulator-name = "buck_vproc"; + regulator-min-microvolt = < 700000>; + regulator-max-microvolt = <1350000>; + regulator-ramp-delay = <12500>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vsys_reg: buck-vsys { + regulator-name = "buck_vsys"; + regulator-min-microvolt = <1400000>; + regulator-max-microvolt = <2987500>; + regulator-ramp-delay = <25000>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vcore_reg: buck-vcore { + regulator-name = "buck_vcore"; + regulator-min-microvolt = < 700000>; + regulator-max-microvolt = <1350000>; + regulator-ramp-delay = <12500>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vxo22_reg: ldo-vxo22 { + regulator-name = "ldo_vxo22"; + regulator-min-microvolt = <2200000>; + regulator-max-microvolt = <2200000>; + regulator-enable-ramp-delay = <110>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vaud22_reg: ldo-vaud22 { + regulator-name = "ldo_vaud22"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2200000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vcama_reg: ldo-vcama { + regulator-name = "ldo_vcama"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vaud28_reg: ldo-vaud28 { + regulator-name = "ldo_vaud28"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vadc18_reg: ldo-vadc18 { + regulator-name = "ldo_vadc18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vcn35_reg: ldo-vcn35 { + regulator-name = "ldo_vcn35"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3600000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vio28_reg: ldo-vio28 { + regulator-name = "ldo_vio28"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vusb_reg: ldo-vusb { + regulator-name = "ldo_vusb"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vmc_reg: ldo-vmc { + regulator-name = "ldo_vmc"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + regulator-boot-on; + }; + + mt6392_vmch_reg: ldo-vmch { + regulator-name = "ldo_vmch"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + regulator-boot-on; + }; + + mt6392_vemc3v3_reg: ldo-vemc3v3 { + regulator-name = "ldo_vemc3v3"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + regulator-boot-on; + }; + + mt6392_vgp1_reg: ldo-vgp1 { + regulator-name = "ldo_vgp1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vgp2_reg: ldo-vgp2 { + regulator-name = "ldo_vgp2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vcn18_reg: ldo-vcn18 { + regulator-name = "ldo_vcn18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vcamaf_reg: ldo-vcamaf { + regulator-name = "ldo_vcamaf"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vm_reg: ldo-vm { + regulator-name = "ldo_vm"; + regulator-min-microvolt = <1240000>; + regulator-max-microvolt = <1390000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vio18_reg: ldo-vio18 { + regulator-name = "ldo_vio18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <264>; + regulator-always-on; + regulator-boot-on; + }; + + mt6392_vcamd_reg: ldo-vcamd { + regulator-name = "ldo_vcamd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vcamio_reg: ldo-vcamio { + regulator-name = "ldo_vcamio"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vm25_reg: ldo-vm25 { + regulator-name = "ldo_vm25"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-enable-ramp-delay = <264>; + }; + + mt6392_vefuse_reg: ldo-vefuse { + regulator-name = "ldo_vefuse"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2000000>; + regulator-enable-ramp-delay = <264>; + }; + }; + };