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authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2022-09-13 15:34:55 +0300
committerMark Brown <broonie@kernel.org>2022-09-13 17:04:57 +0300
commite22943e32e1fc314b8e2b095ae3495d1bfa9aca5 (patch)
tree7e38c6a35bbb0812862af6a548325521843a66d5 /Documentation/devicetree/bindings/regulator
parent6f7a71f804287a7566314ab1a73d8ca2c18ca0d7 (diff)
downloadlinux-e22943e32e1fc314b8e2b095ae3495d1bfa9aca5.tar.xz
regulator: Add bindings for MT6332 regulator
Add devicetree bindings for the regulators found in the MT6332 PMIC. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220913123456.384513-4-angelogioacchino.delregno@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/regulator')
-rw-r--r--Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml112
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diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml
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+++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mediatek,mt6332-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MT6332 Regulator from MediaTek Integrated
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+
+description: |
+ The MT6332 Companion PMIC provides 6 BUCK and 4 LDO (Low Dropout)
+ regulators and nodes are named according to the regulator type:
+ buck-<name> and ldo-<name>.
+ MT6332 regulators node should be sub node of the MT6397 MFD node.
+
+patternProperties:
+ "^buck-v(dram|dvfs2|pa|rf18a|rf18b|sbst)$":
+ type: object
+ $ref: "regulator.yaml#"
+
+ properties:
+ regulator-name:
+ pattern: "^v(dram|dvfs2|pa|rf18a|rf18b|sbst)$"
+
+ unevaluatedProperties: false
+
+ "^ldo-v(bif28|dig18|sram|usb33)$":
+ type: object
+ $ref: "regulator.yaml#"
+
+ properties:
+ regulator-name:
+ pattern: "^v(bif28|dig18|sram|usb33)$"
+
+ unevaluatedProperties: false
+
+additionalProperties: false
+
+examples:
+ - |
+ pmic {
+ regulators {
+ mt6332_vdram_reg: buck-vdram {
+ regulator-name = "vdram";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-ramp-delay = <12500>;
+ regulator-allowed-modes = <0 1>;
+ regulator-always-on;
+ };
+ mt6332_vdvfs2_reg: buck-vdvfs2 {
+ regulator-name = "vdvfs2";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1312500>;
+ regulator-ramp-delay = <12500>;
+ regulator-enable-ramp-delay = <1>;
+ regulator-allowed-modes = <0 1>;
+ };
+ mt6332_vpa_reg: buck-vpa {
+ regulator-name = "vpa";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ };
+ mt6332_vrf18a_reg: buck-vrf18a {
+ regulator-name = "vrf18a";
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <2240625>;
+ regulator-allowed-modes = <0 1>;
+ };
+ mt6332_vrf18b_reg: buck-vrf18b {
+ regulator-name = "vrf18b";
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <2240625>;
+ regulator-allowed-modes = <0 1>;
+ };
+ mt6332_vsbst_reg: buck-vsbst {
+ regulator-name = "vsbst";
+ regulator-min-microvolt = <3500000>;
+ regulator-max-microvolt = <7468750>;
+ };
+ mt6332_vauxb32_reg: ldo-vauxb32 {
+ regulator-name = "vauxb32";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <3200000>;
+ };
+ mt6332_vbif28_reg: ldo-vbif28 {
+ regulator-name = "vbif28";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+ mt6332_vdig18_reg: ldo-vdig18 {
+ regulator-name = "vdig18";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ mt6332_vsram_reg: ldo-vsram {
+ regulator-name = "vauxa32";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1493750>;
+ regulator-always-on;
+ };
+ mt6332_vusb33_reg: ldo-vusb33 {
+ regulator-name = "vusb33";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ };
+ };
+...