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author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-11-25 08:48:26 +0100 |
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committer | Lee Jones <lee.jones@linaro.org> | 2021-11-29 13:16:59 +0000 |
commit | 013db96da8b21c28b042f6fae904bbc0378a4349 (patch) | |
tree | 2f5c8252dbf5614a0c9c85efeb0b21f7444f6bf6 /Documentation | |
parent | f8689195d7dd0821457dcf158c063e3160a55ee1 (diff) | |
download | linux-stable-013db96da8b21c28b042f6fae904bbc0378a4349.tar.gz linux-stable-013db96da8b21c28b042f6fae904bbc0378a4349.tar.bz2 linux-stable-013db96da8b21c28b042f6fae904bbc0378a4349.zip |
dt-bindings: mfd: maxim,max77686: Convert to dtschema
Convert the MFD part of Maxim MAX77686 PMIC to DT schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211125074826.7947-3-krzysztof.kozlowski@canonical.com
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/max77686.txt | 26 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/mfd/maxim,max77686.yaml | 132 |
2 files changed, 132 insertions, 26 deletions
diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt deleted file mode 100644 index 4447d074894a..000000000000 --- a/Documentation/devicetree/bindings/mfd/max77686.txt +++ /dev/null @@ -1,26 +0,0 @@ -Maxim MAX77686 multi-function device - -MAX77686 is a Multifunction device with PMIC, RTC and Charger on chip. It is -interfaced to host controller using i2c interface. PMIC and Charger submodules -are addressed using same i2c slave address whereas RTC submodule uses -different i2c slave address,presently for which we are statically creating i2c -client while probing.This document describes the binding for mfd device and -PMIC submodule. - -Bindings for the built-in 32k clock generator block and -regulators are defined in ../clk/maxim,max77686.txt and -../regulator/max77686.txt respectively. - -Required properties: -- compatible : Must be "maxim,max77686"; -- reg : Specifies the i2c slave address of PMIC block. -- interrupts : This i2c device has an IRQ line connected to the main SoC. - -Example: - - max77686: pmic@9 { - compatible = "maxim,max77686"; - interrupt-parent = <&wakeup_eint>; - interrupts = <26 IRQ_TYPE_LEVEL_LOW>; - reg = <0x09>; - }; diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77686.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77686.yaml new file mode 100644 index 000000000000..859655a789c3 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/maxim,max77686.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/maxim,max77686.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX77686 Power Management IC + +maintainers: + - Chanwoo Choi <cw00.choi@samsung.com> + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +description: | + This is a part of device tree bindings for Maxim MAX77686 Power Management + Integrated Circuit (PMIC). + + The Maxim MAX77686 is a Power Management IC which includes voltage and + current regulators, RTC and clock outputs. + + The MAX77686 provides three 32.768khz clock outputs that can be controlled + (gated/ungated) over I2C. The clock IDs are defined as preprocessor macros + in dt-bindings/clock/maxim,max77686.h. + +properties: + compatible: + const: maxim,max77686 + + '#clock-cells': + const: 1 + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + voltage-regulators: + $ref: ../regulator/maxim,max77686.yaml + description: + List of child nodes that specify the regulators. + + wakeup-source: true + +required: + - compatible + - '#clock-cells' + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + max77686: pmic@9 { + compatible = "maxim,max77686"; + reg = <0x09>; + + interrupt-parent = <&gpx0>; + interrupts = <7 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&max77686_irq>; + pinctrl-names = "default"; + wakeup-source; + #clock-cells = <1>; + + voltage-regulators { + LDO1 { + regulator-name = "VALIVE_1.0V_AP"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + }; + + LDO2 { + regulator-name = "VM1M2_1.2V_AP"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + // ... + + LDO22 { + regulator-name = "VMEM_VDD_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + maxim,ena-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>; + }; + + // ... + + BUCK1 { + regulator-name = "VDD_MIF"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + BUCK2 { + regulator-name = "VDD_ARM"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1500000>; + regulator-always-on; + regulator-boot-on; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + // ... + + BUCK9 { + regulator-name = "CAM_ISP_CORE_1.2V"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1200000>; + maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>; + }; + }; + }; + }; |