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-Qualcomm PMIC GPIO block
-
-This binding describes the GPIO block(s) found in the 8xxx series of
-PMIC's from Qualcomm.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,pm660-gpio"
- "qcom,pm660l-gpio"
- "qcom,pm6150-gpio"
- "qcom,pm6150l-gpio"
- "qcom,pm7325-gpio"
- "qcom,pm8005-gpio"
- "qcom,pm8008-gpio"
- "qcom,pm8018-gpio"
- "qcom,pm8038-gpio"
- "qcom,pm8058-gpio"
- "qcom,pm8150-gpio"
- "qcom,pm8150b-gpio"
- "qcom,pm8350-gpio"
- "qcom,pm8350b-gpio"
- "qcom,pm8350c-gpio"
- "qcom,pm8916-gpio"
- "qcom,pm8917-gpio"
- "qcom,pm8921-gpio"
- "qcom,pm8941-gpio"
- "qcom,pm8950-gpio"
- "qcom,pm8994-gpio"
- "qcom,pm8998-gpio"
- "qcom,pma8084-gpio"
- "qcom,pmi8950-gpio"
- "qcom,pmi8994-gpio"
- "qcom,pmi8998-gpio"
- "qcom,pmk8350-gpio"
- "qcom,pmm8155au-gpio"
- "qcom,pmr735a-gpio"
- "qcom,pmr735b-gpio"
- "qcom,pms405-gpio"
- "qcom,pmx55-gpio"
-
- And must contain either "qcom,spmi-gpio" or "qcom,ssbi-gpio"
- if the device is on an spmi bus or an ssbi bus respectively
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: Register base of the GPIO block and length.
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: Must contain an array of encoded interrupt specifiers for
- each available GPIO
-
-- gpio-controller:
- Usage: required
- Value type: <none>
- Definition: Mark the device node as a GPIO controller
-
-- #gpio-cells:
- Usage: required
- Value type: <u32>
- Definition: Must be 2;
- the first cell will be used to define gpio number and the
- second denotes the flags for this gpio
-
-Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for
-a general description of GPIO and interrupt bindings.
-
-Please refer to pinctrl-bindings.txt in this directory for details of the
-common pinctrl bindings used by client devices, including the meaning of the
-phrase "pin configuration node".
-
-The pin configuration nodes act as a container for an arbitrary number of
-subnodes. Each of these subnodes represents some desired configuration for a
-pin or a list of pins. This configuration can include the
-mux function to select on those pin(s), and various pin configuration
-parameters, as listed below.
-
-
-SUBNODES:
-
-The name of each subnode is not important; all subnodes should be enumerated
-and processed purely based on their content.
-
-Each subnode only affects those parameters that are explicitly listed. In
-other words, a subnode that lists a mux function but no pin configuration
-parameters implies no information about any pin configuration parameters.
-Similarly, a pin subnode that describes a pullup parameter implies no
-information about e.g. the mux function.
-
-The following generic properties as defined in pinctrl-bindings.txt are valid
-to specify in a pin configuration subnode:
-
-- pins:
- Usage: required
- Value type: <string-array>
- Definition: List of gpio pins affected by the properties specified in
- this subnode. Valid pins are:
- gpio1-gpio10 for pm6150
- gpio1-gpio12 for pm6150l
- gpio1-gpio10 for pm7325
- gpio1-gpio4 for pm8005
- gpio1-gpio2 for pm8008
- gpio1-gpio6 for pm8018
- gpio1-gpio12 for pm8038
- gpio1-gpio40 for pm8058
- gpio1-gpio10 for pm8150 (holes on gpio2, gpio5, gpio7
- and gpio8)
- gpio1-gpio12 for pm8150b (holes on gpio3, gpio4, gpio7)
- gpio1-gpio12 for pm8150l (hole on gpio7)
- gpio1-gpio10 for pm8350
- gpio1-gpio8 for pm8350b
- gpio1-gpio9 for pm8350c
- gpio1-gpio4 for pm8916
- gpio1-gpio38 for pm8917
- gpio1-gpio44 for pm8921
- gpio1-gpio36 for pm8941
- gpio1-gpio8 for pm8950 (hole on gpio3)
- gpio1-gpio22 for pm8994
- gpio1-gpio26 for pm8998
- gpio1-gpio22 for pma8084
- gpio1-gpio2 for pmi8950
- gpio1-gpio10 for pmi8994
- gpio1-gpio4 for pmk8350
- gpio1-gpio10 for pmm8155au
- gpio1-gpio4 for pmr735a
- gpio1-gpio4 for pmr735b
- gpio1-gpio12 for pms405 (holes on gpio1, gpio9 and gpio10)
- gpio1-gpio11 for pmx55 (holes on gpio3, gpio7, gpio10
- and gpio11)
-
-- function:
- Usage: required
- Value type: <string>
- Definition: Specify the alternative function to be configured for the
- specified pins. Valid values are:
- "normal",
- "paired",
- "func1",
- "func2",
- "dtest1",
- "dtest2",
- "dtest3",
- "dtest4",
- And following values are supported by LV/MV GPIO subtypes:
- "func3",
- "func4"
-
-- bias-disable:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as no pull.
-
-- bias-pull-down:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as pull down.
-
-- bias-pull-up:
- Usage: optional
- Value type: <empty>
- Definition: The specified pins should be configured as pull up.
-
-- qcom,pull-up-strength:
- Usage: optional
- Value type: <u32>
- Definition: Specifies the strength to use for pull up, if selected.
- Valid values are; as defined in
- <dt-bindings/pinctrl/qcom,pmic-gpio.h>:
- 1: 30uA (PMIC_GPIO_PULL_UP_30)
- 2: 1.5uA (PMIC_GPIO_PULL_UP_1P5)
- 3: 31.5uA (PMIC_GPIO_PULL_UP_31P5)
- 4: 1.5uA + 30uA boost (PMIC_GPIO_PULL_UP_1P5_30)
- If this property is omitted 30uA strength will be used if
- pull up is selected
-
-- bias-high-impedance:
- Usage: optional
- Value type: <none>
- Definition: The specified pins will put in high-Z mode and disabled.
-
-- input-enable:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are put in input mode.
-
-- output-high:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in output mode, driven
- high.
-
-- output-low:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in output mode, driven
- low.
-
-- power-source:
- Usage: optional
- Value type: <u32>
- Definition: Selects the power source for the specified pins. Valid
- power sources are defined per chip in
- <dt-bindings/pinctrl/qcom,pmic-gpio.h>
-
-- qcom,drive-strength:
- Usage: optional
- Value type: <u32>
- Definition: Selects the drive strength for the specified pins. Value
- drive strengths are:
- 0: no (PMIC_GPIO_STRENGTH_NO)
- 1: high (PMIC_GPIO_STRENGTH_HIGH) 0.9mA @ 1.8V - 1.9mA @ 2.6V
- 2: medium (PMIC_GPIO_STRENGTH_MED) 0.6mA @ 1.8V - 1.25mA @ 2.6V
- 3: low (PMIC_GPIO_STRENGTH_LOW) 0.15mA @ 1.8V - 0.3mA @ 2.6V
- as defined in <dt-bindings/pinctrl/qcom,pmic-gpio.h>
-
-- drive-push-pull:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in push-pull mode.
-
-- drive-open-drain:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in open-drain mode.
-
-- drive-open-source:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in open-source mode.
-
-- qcom,analog-pass:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in analog-pass-through mode.
-
-- qcom,atest:
- Usage: optional
- Value type: <u32>
- Definition: Selects ATEST rail to route to GPIO when it's configured
- in analog-pass-through mode.
- Valid values are 1-4 corresponding to ATEST1 to ATEST4.
-
-- qcom,dtest-buffer:
- Usage: optional
- Value type: <u32>
- Definition: Selects DTEST rail to route to GPIO when it's configured
- as digital input.
- Valid values are 1-4 corresponding to DTEST1 to DTEST4.
-
-Example:
-
- pm8921_gpio: gpio@150 {
- compatible = "qcom,pm8921-gpio", "qcom,ssbi-gpio";
- reg = <0x150 0x160>;
- interrupts = <192 1>, <193 1>, <194 1>,
- <195 1>, <196 1>, <197 1>,
- <198 1>, <199 1>, <200 1>,
- <201 1>, <202 1>, <203 1>,
- <204 1>, <205 1>, <206 1>,
- <207 1>, <208 1>, <209 1>,
- <210 1>, <211 1>, <212 1>,
- <213 1>, <214 1>, <215 1>,
- <216 1>, <217 1>, <218 1>,
- <219 1>, <220 1>, <221 1>,
- <222 1>, <223 1>, <224 1>,
- <225 1>, <226 1>, <227 1>,
- <228 1>, <229 1>, <230 1>,
- <231 1>, <232 1>, <233 1>,
- <234 1>, <235 1>;
-
- gpio-controller;
- #gpio-cells = <2>;
-
- pm8921_gpio_keys: gpio-keys {
- volume-keys {
- pins = "gpio20", "gpio21";
- function = "normal";
-
- input-enable;
- bias-pull-up;
- drive-push-pull;
- qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
- power-source = <PM8921_GPIO_S4>;
- };
- };
- };
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,pmic-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm PMIC GPIO block
+
+maintainers:
+ - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+description:
+ This binding describes the GPIO block(s) found in the 8xxx series of
+ PMIC's from Qualcomm.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - qcom,pm660-gpio
+ - qcom,pm660l-gpio
+ - qcom,pm6150-gpio
+ - qcom,pm6150l-gpio
+ - qcom,pm7325-gpio
+ - qcom,pm8005-gpio
+ - qcom,pm8008-gpio
+ - qcom,pm8018-gpio
+ - qcom,pm8038-gpio
+ - qcom,pm8058-gpio
+ - qcom,pm8150-gpio
+ - qcom,pm8150b-gpio
+ - qcom,pm8350-gpio
+ - qcom,pm8350b-gpio
+ - qcom,pm8350c-gpio
+ - qcom,pm8916-gpio
+ - qcom,pm8917-gpio
+ - qcom,pm8921-gpio
+ - qcom,pm8941-gpio
+ - qcom,pm8950-gpio
+ - qcom,pm8994-gpio
+ - qcom,pm8998-gpio
+ - qcom,pma8084-gpio
+ - qcom,pmi8950-gpio
+ - qcom,pmi8994-gpio
+ - qcom,pmi8998-gpio
+ - qcom,pmk8350-gpio
+ - qcom,pmr735a-gpio
+ - qcom,pmr735b-gpio
+ - qcom,pms405-gpio
+ - qcom,pmx55-gpio
+
+ - enum:
+ - qcom,spmi-gpio
+ - qcom,ssbi-gpio
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 44
+ description:
+ Must contain an array of encoded interrupt specifiers for
+ each available GPIO
+
+ '#interrupt-cells':
+ const: 2
+
+ interrupt-controller: true
+
+ gpio-controller: true
+
+ gpio-ranges:
+ maxItems: 1
+
+ '#gpio-cells':
+ const: 2
+ description:
+ The first cell will be used to define gpio number and the
+ second denotes the flags for this gpio
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - '#gpio-cells'
+ - gpio-ranges
+
+patternProperties:
+ '-state$':
+ oneOf:
+ - $ref: "#/$defs/qcom-pmic-gpio-state"
+ - patternProperties:
+ ".*":
+ $ref: "#/$defs/qcom-pmic-gpio-state"
+
+$defs:
+ qcom-pmic-gpio-state:
+ type: object
+ allOf:
+ - $ref: "pinmux-node.yaml"
+ - $ref: "pincfg-node.yaml"
+ properties:
+ pins:
+ description:
+ List of gpio pins affected by the properties specified in
+ this subnode. Valid pins are
+ - gpio1-gpio10 for pm6150
+ - gpio1-gpio12 for pm6150l
+ - gpio1-gpio10 for pm7325
+ - gpio1-gpio4 for pm8005
+ - gpio1-gpio2 for pm8008
+ - gpio1-gpio6 for pm8018
+ - gpio1-gpio12 for pm8038
+ - gpio1-gpio40 for pm8058
+ - gpio1-gpio10 for pm8150 (holes on gpio2, gpio5,
+ gpio7 and gpio8)
+ - gpio1-gpio12 for pm8150b (holes on gpio3, gpio4
+ and gpio7)
+ - gpio1-gpio12 for pm8150l (hole on gpio7)
+ - gpio1-gpio4 for pm8916
+ - gpio1-gpio10 for pm8350
+ - gpio1-gpio8 for pm8350b
+ - gpio1-gpio9 for pm8350c
+ - gpio1-gpio38 for pm8917
+ - gpio1-gpio44 for pm8921
+ - gpio1-gpio36 for pm8941
+ - gpio1-gpio8 for pm8950 (hole on gpio3)
+ - gpio1-gpio22 for pm8994
+ - gpio1-gpio26 for pm8998
+ - gpio1-gpio22 for pma8084
+ - gpio1-gpio2 for pmi8950
+ - gpio1-gpio10 for pmi8994
+ - gpio1-gpio4 for pmk8350
+ - gpio1-gpio4 for pmr735a
+ - gpio1-gpio4 for pmr735b
+ - gpio1-gpio12 for pms405 (holes on gpio1, gpio9
+ and gpio10)
+ - gpio1-gpio11 for pmx55 (holes on gpio3, gpio7, gpio10
+ and gpio11)
+
+ items:
+ pattern: "^gpio([0-9]+)$"
+
+ function:
+ items:
+ - enum:
+ - normal
+ - paired
+ - func1
+ - func2
+ - dtest1
+ - dtest2
+ - dtest3
+ - dtest4
+ - func3 # supported by LV/MV GPIO subtypes
+ - func4 # supported by LV/MV GPIO subtypes
+
+ bias-disable: true
+ bias-pull-down: true
+ bias-pull-up: true
+
+ qcom,pull-up-strength:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Specifies the strength to use for pull up, if selected.
+ Valid values are defined in
+ <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+ If this property is omitted 30uA strength will be used
+ if pull up is selected
+ enum: [0, 1, 2, 3]
+
+ bias-high-impedance: true
+ input-enable: true
+ output-high: true
+ output-low: true
+ power-source: true
+
+ qcom,drive-strength:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Selects the drive strength for the specified pins
+ Valid drive strength values are defined in
+ <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+ enum: [0, 1, 2, 3]
+
+ drive-push-pull: true
+ drive-open-drain: true
+ drive-open-source: true
+
+ qcom,analog-pass:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ The specified pins are configured in
+ analog-pass-through mode.
+
+ qcom,atest:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Selects ATEST rail to route to GPIO when it's
+ configured in analog-pass-through mode.
+ enum: [1, 2, 3, 4]
+
+ qcom,dtest-buffer:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Selects DTEST rail to route to GPIO when it's
+ configured as digital input.
+ enum: [1, 2, 3, 4]
+
+ required:
+ - pins
+ - function
+
+ additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+
+ pm8921_gpio: gpio@150 {
+ compatible = "qcom,pm8921-gpio", "qcom,ssbi-gpio";
+ reg = <0x150 0x160>;
+ interrupts = <192 1>, <193 1>, <194 1>,
+ <195 1>, <196 1>, <197 1>,
+ <198 1>, <199 1>, <200 1>,
+ <201 1>, <202 1>, <203 1>,
+ <204 1>, <205 1>, <206 1>,
+ <207 1>, <208 1>, <209 1>,
+ <210 1>, <211 1>, <212 1>,
+ <213 1>, <214 1>, <215 1>,
+ <216 1>, <217 1>, <218 1>,
+ <219 1>, <220 1>, <221 1>,
+ <222 1>, <223 1>, <224 1>,
+ <225 1>, <226 1>, <227 1>,
+ <228 1>, <229 1>, <230 1>,
+ <231 1>, <232 1>, <233 1>,
+ <234 1>, <235 1>;
+
+ gpio-controller;
+ gpio-ranges = <&pm8921_gpio 0 0 44>;
+ #gpio-cells = <2>;
+
+ pm8921_gpio_keys: gpio-keys-state {
+ volume-keys {
+ pins = "gpio20", "gpio21";
+ function = "normal";
+
+ input-enable;
+ bias-pull-up;
+ drive-push-pull;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
+ power-source = <PM8921_GPIO_S4>;
+ };
+ };
+ };
+...