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Message-ID: <68ccd08a4aa89582aa499f510ea4b1a6@codeaurora.org>
Date: Thu, 20 May 2021 18:35:23 +0530
From: skakit@...eaurora.org
To: Rob Herring <robh@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
kgunda@...eaurora.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V3 3/3] dt-bindings: pinctrl: qcom-pmic-gpio: Convert qcom
pmic gpio bindings to YAML
On 2021-05-18 06:25, Rob Herring wrote:
> On Wed, May 12, 2021 at 04:43:08PM +0530, satya priya wrote:
>> Convert Qualcomm PMIC GPIO bindings from .txt to .yaml format.
>>
>> Signed-off-by: satya priya <skakit@...eaurora.org>
>> ---
>> Changes in V3:
>> - As per Rob's comments fixed bot erros.
>> - Moved this patch to end of the series so that other patches are not
>> blocked on this.
>>
>> Changes in V4:
>> - As per Rob's comments, added maxItems for reg and interrupts.
>> Added reference of "pinmux-node.yaml" and "pincfg-node.yaml".
>> Made 'additionalProperties' as false.
>>
>> .../devicetree/bindings/pinctrl/qcom,pmic-gpio.txt | 288
>> ---------------------
>> .../bindings/pinctrl/qcom,pmic-gpio.yaml | 245
>> ++++++++++++++++++
>> 2 files changed, 245 insertions(+), 288 deletions(-)
>> delete mode 100644
>> Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
>> create mode 100644
>> Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml
>
>
>> diff --git
>> a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml
>> b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml
>> new file mode 100644
>> index 0000000..85381a0
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml
>> @@ -0,0 +1,245 @@
>> +# 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@...ymobile.com>
>> +
>> +description: |
>> + This binding describes the GPIO block(s) found in the 8xxx series
>> of
>> + PMIC's from Qualcomm.
>> +
>> +properties:
>> + compatible:
>> + items:
>> + - enum:
>> + - qcom,pm8005-gpio
>> + - qcom,pm8018-gpio
>> + - qcom,pm8038-gpio
>> + - qcom,pm8058-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,pms405-gpio
>> + - qcom,pm660-gpio
>> + - qcom,pm660l-gpio
>> + - qcom,pm8150-gpio
>> + - qcom,pm8150b-gpio
>> + - qcom,pm6150-gpio
>> + - qcom,pm6150l-gpio
>> + - qcom,pmx55-gpio
>> + - qcom,pm7325-gpio
>> + - qcom,pm8350c-gpio
>> + - qcom,pmk8350-gpio
>> + - qcom,pmr735a-gpio
>> +
>> + - enum:
>> + - qcom,spmi-gpio
>> + - qcom,ssbi-gpio
>> +
>> + reg:
>> + maxItems: 1
>> +
>> + interrupts:
>> + minItems: 1
>> + maxItems: 44
>
> Please say something about what the 1-44 interrupts are if you can't
> define each one.
>
Okay, will add the description back.
>> +
>> + '#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
>> +
>> + gpio-keys:
>> + type: object
>> + properties:
>> + volume-keys:
>> + type: object
>> + anyOf:
>> + - $ref: "pinmux-node.yaml"
>> + - $ref: "pincfg-node.yaml"
>> + properties:
>> + pins:
>> + description: |
>> + List of gpio pins affected by the properties
>> specified in
>> + this subnode. Valid pins are
>> + - gpio1-gpio4 for pm8005
>> + - gpio1-gpio6 for pm8018
>> + - gpio1-gpio12 for pm8038
>> + - gpio1-gpio40 for pm8058
>> + - gpio1-gpio4 for pm8916
>> + - gpio1-gpio38 for pm8917
>> + - gpio1-gpio44 for pm8921
>> + - gpio1-gpio36 for pm8941
>> + - gpio1-gpio8 for pm8950 (hole on gpio3)
>> + - gpio1-gpio22 for pm8994
>> + - gpio1-gpio26 for pm8998
>> + - gpio1-gpio22 for pma8084
>> + - gpio1-gpio2 for pmi8950
>> + - gpio1-gpio10 for pmi8994
>> + - gpio1-gpio12 for pms405 (holes on gpio1, gpio9
>> + and gpio10)
>> + - gpio1-gpio10 for pm8150 (holes on gpio2,
>> gpio5,
>> + gpio7 and gpio8)
>> + - gpio1-gpio12 for pm8150b (holes on gpio3,
>> gpio4
>> + and gpio7)
>> + - gpio1-gpio12 for pm8150l (hole on gpio7)
>> + - gpio1-gpio10 for pm6150
>> + - gpio1-gpio12 for pm6150l
>> + - gpio1-gpio10 for pm7325
>> + - gpio1-gpio9 for pm8350c
>> + - gpio1-gpio4 for pmk8350
>> + - gpio1-gpio4 for pmr735a
>> +
>> + items:
>> + pattern: "^gpio([0-9]+)$"
>> +
>> + function:
>> + description: |
>> + Specify the alternative function to be configured for
>> the
>> + specified pins.
>
> No need to redescribe a common property.
>
okay, will remove.
>> + 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
>> +
>> + 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>
>
> Please define the constraints here.
>
Okay.
>> +
>> + 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]
>
> enum: [ 1, 2, 3, 4 ]
>
Okay.
>> +
>> + 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]
>
> Ditto.
>
>> +
>> + required:
>> + - pins
>> + - function
>> +
>> + additionalProperties: false
>> +
>> +additionalProperties: false
>> +
>> +required:
>> + - compatible
>> + - reg
>> +
>> +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-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>;
>> + };
>> + };
>> + };
>> +...
>> --
>> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a
>> member
>> of Code Aurora Forum, hosted by The Linux Foundation
>>
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