From f8689195d7dd0821457dcf158c063e3160a55ee1 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Thu, 25 Nov 2021 08:48:25 +0100 Subject: [PATCH] regulator: dt-bindings: maxim,max77686: Convert to dtschema Convert the regulators of Maxim MAX77686 PMIC to DT schema format. Signed-off-by: Krzysztof Kozlowski Acked-by: Mark Brown Reviewed-by: Rob Herring Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20211125074826.7947-2-krzysztof.kozlowski@canonical.com --- .../devicetree/bindings/regulator/max77686.txt | 71 ------------------ .../bindings/regulator/maxim,max77686.yaml | 83 ++++++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 84 insertions(+), 71 deletions(-) delete mode 100644 Documentation/devicetree/bindings/regulator/max77686.txt create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77686.yaml diff --git a/Documentation/devicetree/bindings/regulator/max77686.txt b/Documentation/devicetree/bindings/regulator/max77686.txt deleted file mode 100644 index ff3d2dec..0000000 --- a/Documentation/devicetree/bindings/regulator/max77686.txt +++ /dev/null @@ -1,71 +0,0 @@ -Binding for Maxim MAX77686 regulators - -This is a part of the device tree bindings of MAX77686 multi-function device. -More information can be found in ../mfd/max77686.txt file. - -The MAX77686 PMIC has 9 high-efficiency Buck and 26 Low-DropOut (LDO) -regulators that can be controlled over I2C. - -Following properties should be present in main device node of the MFD chip. - -Optional node: -- voltage-regulators : The regulators of max77686 have to be instantiated - under subnode named "voltage-regulators" using the following format. - - regulator_name { - regulator-compatible = LDOn/BUCKn - standard regulator constraints.... - }; - refer Documentation/devicetree/bindings/regulator/regulator.txt - - The regulator node's name should be initialized with a string -to get matched with their hardware counterparts as follow: - - -LDOn : for LDOs, where n can lie in range 1 to 26. - example: LDO1, LDO2, LDO26. - -BUCKn : for BUCKs, where n can lie in range 1 to 9. - example: BUCK1, BUCK5, BUCK9. - - Regulators which can be turned off during system suspend: - -LDOn : 2, 6-8, 10-12, 14-16, - -BUCKn : 1-4. - Use standard regulator bindings for it ('regulator-off-in-suspend'). - - LDO20, LDO21, LDO22, BUCK8 and BUCK9 can be configured to GPIO enable - control. To turn this feature on this property must be added to the regulator - sub-node: - - maxim,ena-gpios : one GPIO specifier enable control (the gpio - flags are actually ignored and always - ACTIVE_HIGH is used) - -Example: - - max77686: pmic@9 { - compatible = "maxim,max77686"; - interrupt-parent = <&wakeup_eint>; - interrupts = <26 IRQ_TYPE_LEVEL_LOW>; - reg = <0x09>; - - voltage-regulators { - ldo11_reg: LDO11 { - regulator-name = "vdd_ldo11"; - regulator-min-microvolt = <1900000>; - regulator-max-microvolt = <1900000>; - regulator-always-on; - }; - - buck1_reg: BUCK1 { - regulator-name = "vdd_mif"; - regulator-min-microvolt = <950000>; - regulator-max-microvolt = <1300000>; - regulator-always-on; - regulator-boot-on; - }; - - buck9_reg: BUCK9 { - regulator-name = "CAM_ISP_CORE_1.2V"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1200000>; - maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>; - }; - }; diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77686.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77686.yaml new file mode 100644 index 0000000..bb64b67 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/maxim,max77686.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/maxim,max77686.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX77686 Power Management IC regulators + +maintainers: + - Chanwoo Choi + - Krzysztof Kozlowski + +description: | + This is a part of device tree bindings for Maxim MAX77686 Power Management + Integrated Circuit (PMIC). + + The Maxim MAX77686 provides high-efficiency Buck and 26 Low-DropOut (LDO) + regulators. + + See also Documentation/devicetree/bindings/mfd/maxim,max77686.yaml for + additional information and example. + +patternProperties: + # 26 LDOs + "^LDO([1-9]|1[0-9]|2[3-6])$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: | + Properties for single LDO regulator. + Regulators which can be turned off during system suspend: + LDO2, LDO6-8, LDO10-12, LDO14-16 + + required: + - regulator-name + + # LDO20-LDO22 with maxim,ena-gpios + "^LDO2[0-2]$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: | + Properties for single LDO regulator. + + properties: + maxim,ena-gpios: + maxItems: 1 + description: | + GPIO specifier to enable the GPIO control (on/off) for regulator. + + required: + - regulator-name + + # 9 bucks + "^BUCK[1-7]$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: | + Properties for single BUCK regulator. + Regulators which can be turned off during system suspend: + BUCK[1-4] + + required: + - regulator-name + + "^BUCK[89]$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: | + Properties for single BUCK regulator. + + properties: + maxim,ena-gpios: + maxItems: 1 + description: | + GPIO specifier to enable the GPIO control (on/off) for regulator. + + required: + - regulator-name + +additionalProperties: false diff --git a/MAINTAINERS b/MAINTAINERS index c3ebc41..5cd3a2a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11595,6 +11595,7 @@ M: Bartlomiej Zolnierkiewicz L: linux-kernel@vger.kernel.org S: Supported F: Documentation/devicetree/bindings/*/max77686.txt +F: Documentation/devicetree/bindings/*/maxim,max77686.yaml F: Documentation/devicetree/bindings/clock/maxim,max77686.txt F: Documentation/devicetree/bindings/mfd/max14577.txt F: Documentation/devicetree/bindings/mfd/max77693.txt -- 2.7.4