dt-bindings: pinctrl: qcom,pmic-mpp: Convert qcom pmic mpp bindings to YAML
Convert Qualcomm PMIC MPP bindings from .txt to .yaml format. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20211008012524.481877-2-dmitry.baryshkov@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Dmitry Baryshkov
Linus Walleij
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Qualcomm PMIC Multi-Purpose Pin (MPP) block
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This binding describes the MPP block(s) found in the 8xxx series
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of PMIC's from Qualcomm.
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- compatible:
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Usage: required
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Value type: <string>
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Definition: Should contain one of:
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"qcom,pm8018-mpp",
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"qcom,pm8019-mpp",
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"qcom,pm8038-mpp",
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"qcom,pm8058-mpp",
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"qcom,pm8821-mpp",
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"qcom,pm8841-mpp",
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"qcom,pm8916-mpp",
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"qcom,pm8917-mpp",
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"qcom,pm8921-mpp",
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"qcom,pm8941-mpp",
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"qcom,pm8950-mpp",
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"qcom,pmi8950-mpp",
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"qcom,pm8994-mpp",
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"qcom,pma8084-mpp",
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"qcom,pmi8994-mpp",
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And must contain either "qcom,spmi-mpp" or "qcom,ssbi-mpp"
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if the device is on an spmi bus or an ssbi bus respectively.
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- reg:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: Register base of the MPP block and length.
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- interrupts:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: Must contain an array of encoded interrupt specifiers for
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each available MPP
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- gpio-controller:
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Usage: required
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Value type: <none>
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Definition: Mark the device node as a GPIO controller
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- #gpio-cells:
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Usage: required
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Value type: <u32>
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Definition: Must be 2;
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the first cell will be used to define MPP number and the
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second denotes the flags for this MPP
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Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for
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a general description of GPIO and interrupt bindings.
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Please refer to pinctrl-bindings.txt in this directory for details of the
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common pinctrl bindings used by client devices, including the meaning of the
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phrase "pin configuration node".
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The pin configuration nodes act as a container for an arbitrary number of
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subnodes. Each of these subnodes represents some desired configuration for a
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pin or a list of pins. This configuration can include the
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mux function to select on those pin(s), and various pin configuration
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parameters, as listed below.
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SUBNODES:
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The name of each subnode is not important; all subnodes should be enumerated
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and processed purely based on their content.
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Each subnode only affects those parameters that are explicitly listed. In
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other words, a subnode that lists a mux function but no pin configuration
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parameters implies no information about any pin configuration parameters.
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Similarly, a pin subnode that describes a pullup parameter implies no
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information about e.g. the mux function.
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The following generic properties as defined in pinctrl-bindings.txt are valid
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to specify in a pin configuration subnode:
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- pins:
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Usage: required
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Value type: <string-array>
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Definition: List of MPP pins affected by the properties specified in
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this subnode. Valid pins are:
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mpp1-mpp4 for pm8841
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mpp1-mpp4 for pm8916
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mpp1-mpp8 for pm8941
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mpp1-mpp4 for pm8950
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mpp1-mpp4 for pmi8950
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mpp1-mpp4 for pma8084
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- function:
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Usage: required
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Value type: <string>
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Definition: Specify the alternative function to be configured for the
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specified pins. Valid values are:
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"digital",
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"analog",
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"sink"
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- bias-disable:
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Usage: optional
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Value type: <none>
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Definition: The specified pins should be configured as no pull.
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- bias-pull-up:
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Usage: optional
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Value type: <u32>
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Definition: The specified pins should be configured as pull up.
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Valid values are 600, 10000 and 30000 in bidirectional mode
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only, i.e. when operating in qcom,analog-mode and input and
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outputs are enabled. The hardware ignores the configuration
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when operating in other modes.
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- bias-high-impedance:
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Usage: optional
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Value type: <none>
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Definition: The specified pins will put in high-Z mode and disabled.
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- input-enable:
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Usage: optional
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Value type: <none>
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Definition: The specified pins are put in input mode, i.e. their input
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buffer is enabled
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- output-high:
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Usage: optional
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Value type: <none>
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Definition: The specified pins are configured in output mode, driven
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high.
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- output-low:
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Usage: optional
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Value type: <none>
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Definition: The specified pins are configured in output mode, driven
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low.
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- power-source:
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Usage: optional
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Value type: <u32>
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Definition: Selects the power source for the specified pins. Valid power
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sources are defined in <dt-bindings/pinctrl/qcom,pmic-mpp.h>
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- qcom,analog-level:
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Usage: optional
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Value type: <u32>
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Definition: Selects the source for analog output. Valued values are
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defined in <dt-binding/pinctrl/qcom,pmic-mpp.h>
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PMIC_MPP_AOUT_LVL_*
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- qcom,dtest:
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Usage: optional
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Value type: <u32>
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Definition: Selects which dtest rail to be routed in the various functions.
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Valid values are 1-4
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- qcom,amux-route:
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Usage: optional
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Value type: <u32>
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Definition: Selects the source for analog input. Valid values are
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defined in <dt-bindings/pinctrl/qcom,pmic-mpp.h>
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PMIC_MPP_AMUX_ROUTE_CH5, PMIC_MPP_AMUX_ROUTE_CH6...
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- qcom,paired:
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Usage: optional
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Value type: <none>
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Definition: Indicates that the pin should be operating in paired mode.
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Example:
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mpps@a000 {
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compatible = "qcom,pm8841-mpp", "qcom,spmi-mpp";
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reg = <0xa000>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupts = <4 0xa0 0 0>, <4 0xa1 0 0>, <4 0xa2 0 0>, <4 0xa3 0 0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pm8841_default>;
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pm8841_default: default {
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gpio {
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pins = "mpp1", "mpp2", "mpp3", "mpp4";
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function = "digital";
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input-enable;
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power-source = <PM8841_MPP_S3>;
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};
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};
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};
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188
Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.yaml
Normal file
188
Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.yaml
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@ -0,0 +1,188 @@
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/qcom,pmic-mpp.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm PMIC Multi-Purpose Pin (MPP) block
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maintainers:
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- Bjorn Andersson <bjorn.andersson@linaro.org>
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description:
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This binding describes the MPP block(s) found in the 8xxx series of
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PMIC's from Qualcomm.
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properties:
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compatible:
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items:
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- enum:
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- qcom,pm8018-mpp
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- qcom,pm8019-mpp
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- qcom,pm8038-mpp
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- qcom,pm8058-mpp
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- qcom,pm8821-mpp
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- qcom,pm8841-mpp
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- qcom,pm8916-mpp
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- qcom,pm8917-mpp
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- qcom,pm8921-mpp
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- qcom,pm8941-mpp
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- qcom,pm8950-mpp
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- qcom,pmi8950-mpp
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- qcom,pm8994-mpp
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- qcom,pma8084-mpp
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- qcom,pmi8994-mpp
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- enum:
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- qcom,spmi-mpp
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- qcom,ssbi-mpp
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reg:
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maxItems: 1
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interrupts:
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minItems: 1
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maxItems: 12
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description:
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Must contain an array of encoded interrupt specifiers for
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each available MPP
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gpio-controller: true
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gpio-line-names: true
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gpio-ranges:
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maxItems: 1
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'#gpio-cells':
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const: 2
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description:
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The first cell will be used to define gpio number and the
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second denotes the flags for this gpio
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additionalProperties: false
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required:
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- compatible
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- reg
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- gpio-controller
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- '#gpio-cells'
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- gpio-ranges
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patternProperties:
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'-state$':
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oneOf:
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- $ref: "#/$defs/qcom-pmic-mpp-state"
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- patternProperties:
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"mpp":
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$ref: "#/$defs/qcom-pmic-mpp-state"
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additionalProperties: false
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$defs:
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qcom-pmic-mpp-state:
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type: object
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allOf:
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- $ref: "pinmux-node.yaml"
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- $ref: "pincfg-node.yaml"
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properties:
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pins:
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description:
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List of gpio pins affected by the properties specified in
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this subnode. Valid pins are
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- mpp1-mpp4 for pm8841
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- mpp1-mpp4 for pm8916
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- mpp1-mpp8 for pm8941
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- mpp1-mpp4 for pm8950
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- mpp1-mpp4 for pmi8950
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- mpp1-mpp4 for pma8084
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items:
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pattern: "^mpp([0-9]+)$"
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function:
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items:
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- enum:
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- digital
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- analog
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- sink
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bias-disable: true
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bias-pull-up: true
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bias-high-impedance: true
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input-enable: true
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output-high: true
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output-low: true
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power-source: true
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qcom,analog-level:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Selects the source for analog output. Valued values are defined in
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<dt-binding/pinctrl/qcom,pmic-mpp.h> PMIC_MPP_AOUT_LVL_*
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enum: [0, 1, 2, 3, 4, 5, 6, 7]
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qcom,atest:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Selects ATEST rail to route to GPIO when it's
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configured in analog-pass-through mode.
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enum: [1, 2, 3, 4]
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qcom,dtest:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Selects DTEST rail to route to GPIO when it's
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configured as digital input.
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enum: [1, 2, 3, 4]
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qcom,amux-route:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Selects the source for analog input. Valid values are defined in
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<dt-bindings/pinctrl/qcom,pmic-mpp.h> PMIC_MPP_AMUX_ROUTE_CH5,
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PMIC_MPP_AMUX_ROUTE_CH6...
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enum: [0, 1, 2, 3, 4, 5, 6, 7]
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qcom,paired:
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- description:
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Indicates that the pin should be operating in paired mode.
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required:
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- pins
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- function
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
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pm8841_mpp: mpps@a000 {
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compatible = "qcom,pm8841-mpp", "qcom,spmi-mpp";
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reg = <0xa000 0>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pm8841_mpp 0 0 4>;
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gpio-line-names = "VDD_PX_BIAS", "WLAN_LED_CTRL",
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"BT_LED_CTRL", "GPIO-F";
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interrupts = <4 0xa0 0 0>, <4 0xa1 0 0>, <4 0xa2 0 0>, <4 0xa3 0 0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pm8841_default>;
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mpp1-state {
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pins = "mpp1";
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function = "digital";
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input-enable;
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power-source = <PM8841_MPP_S3>;
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};
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default-state {
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gpio-mpp {
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pins = "mpp1", "mpp2", "mpp3", "mpp4";
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function = "digital";
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input-enable;
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power-source = <PM8841_MPP_S3>;
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};
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};
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};
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...
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