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Message-ID: <20200219145942.GA7517@bogus>
Date: Wed, 19 Feb 2020 08:59:42 -0600
From: Rob Herring <robh@...nel.org>
To: Benjamin Gaignard <benjamin.gaignard@...com>
Cc: dmitry.torokhov@...il.com, mark.rutland@....com,
lee.jones@...aro.org, lgirdwood@...il.com, broonie@...nel.org,
wim@...ux-watchdog.org, linux@...ck-us.net, p.paillet@...com,
linux-input@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: mfd: Convert stpmic1 bindings to
json-schema
On Fri, Feb 07, 2020 at 11:51:35AM +0100, Benjamin Gaignard wrote:
> Convert stpmic1 bindings to json-schema.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> ---
> version 2:
> - document -supply properties
> - add $ref in nodes
> - move patternProperties under 'regulators' node
> .../devicetree/bindings/input/st,stpmic1-onkey.txt | 28 ---
> .../devicetree/bindings/mfd/st,stpmic1.txt | 61 ------
> .../devicetree/bindings/mfd/st,stpmic1.yaml | 214 +++++++++++++++++++++
> .../bindings/regulator/st,stpmic1-regulator.txt | 64 ------
> .../bindings/watchdog/st,stpmic1-wdt.txt | 11 --
> 5 files changed, 214 insertions(+), 164 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
> delete mode 100644 Documentation/devicetree/bindings/mfd/st,stpmic1.txt
> create mode 100644 Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
> delete mode 100644 Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt
> delete mode 100644 Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt
>
> diff --git a/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
> deleted file mode 100644
> index eb8e83736c02..000000000000
> --- a/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
> +++ /dev/null
> @@ -1,28 +0,0 @@
> -STMicroelectronics STPMIC1 Onkey
> -
> -Required properties:
> -
> -- compatible = "st,stpmic1-onkey";
> -- interrupts: interrupt line to use
> -- interrupt-names = "onkey-falling", "onkey-rising"
> - onkey-falling: happens when onkey is pressed; IT_PONKEY_F of pmic
> - onkey-rising: happens when onkey is released; IT_PONKEY_R of pmic
> -
> -Optional properties:
> -
> -- st,onkey-clear-cc-flag: onkey is able power on after an
> - over-current shutdown event.
> -- st,onkey-pu-inactive: onkey pull up is not active
> -- power-off-time-sec: Duration in seconds which the key should be kept
> - pressed for device to power off automatically (from 1 to 16 seconds).
> - see See Documentation/devicetree/bindings/input/input.yaml
> -
> -Example:
> -
> -onkey {
> - compatible = "st,stpmic1-onkey";
> - interrupt-parent = <&pmic>;
> - interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
> - interrupt-names = "onkey-falling", "onkey-rising";
> - power-off-time-sec = <10>;
> -};
> diff --git a/Documentation/devicetree/bindings/mfd/st,stpmic1.txt b/Documentation/devicetree/bindings/mfd/st,stpmic1.txt
> deleted file mode 100644
> index afd45c089585..000000000000
> --- a/Documentation/devicetree/bindings/mfd/st,stpmic1.txt
> +++ /dev/null
> @@ -1,61 +0,0 @@
> -* STMicroelectronics STPMIC1 Power Management IC
> -
> -Required properties:
> -- compatible: : "st,stpmic1"
> -- reg: : The I2C slave address for the STPMIC1 chip.
> -- interrupts: : The interrupt line the device is connected to.
> -- #interrupt-cells: : Should be 1.
> -- interrupt-controller: : Marks the device node as an interrupt controller.
> - Interrupt numbers are defined at
> - dt-bindings/mfd/st,stpmic1.h.
> -
> -STPMIC1 consists in a varied group of sub-devices.
> -Each sub-device binding is be described in own documentation file.
> -
> -Device Description
> ------- ------------
> -st,stpmic1-onkey : Power on key, see ../input/st,stpmic1-onkey.txt
> -st,stpmic1-regulators : Regulators, see ../regulator/st,stpmic1-regulator.txt
> -st,stpmic1-wdt : Watchdog, see ../watchdog/st,stpmic1-wdt.txt
> -
> -Example:
> -
> -#include <dt-bindings/mfd/st,stpmic1.h>
> -
> -pmic: pmic@33 {
> - compatible = "st,stpmic1";
> - reg = <0x33>;
> - interrupt-parent = <&gpioa>;
> - interrupts = <0 2>;
> -
> - interrupt-controller;
> - #interrupt-cells = <2>;
> -
> - onkey {
> - compatible = "st,stpmic1-onkey";
> - interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
> - interrupt-names = "onkey-falling", "onkey-rising";
> - power-off-time-sec = <10>;
> - };
> -
> - watchdog {
> - compatible = "st,stpmic1-wdt";
> - };
> -
> - regulators {
> - compatible = "st,stpmic1-regulators";
> -
> - vdd_core: buck1 {
> - regulator-name = "vdd_core";
> - regulator-boot-on;
> - regulator-min-microvolt = <700000>;
> - regulator-max-microvolt = <1200000>;
> - };
> - vdd: buck3 {
> - regulator-name = "vdd";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - regulator-boot-on;
> - regulator-pull-down;
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
> new file mode 100644
> index 000000000000..2d1c70512c42
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
> @@ -0,0 +1,214 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/st,stpmic1.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STMicroelectonics STPMIC1 Power Management IC bindings
> +
> +description: STMicroelectronics STPMIC1 Power Management IC
> +
> +maintainers:
> + - pascal Paillet <p.paillet@...com>
> +
> +properties:
> + compatible:
> + const: st,stpmic1
> +
> + reg:
> + const: 0x33
> +
> + interrupts:
> + maxItems: 1
> +
> + "#interrupt-cells":
> + const: 2
> +
> + interrupt-controller: true
> +
> + onkey:
> + type: object
> +
> + $ref: ../input/input.yaml
Has to be under an 'allOf' or everything else here is ignored.
> +
> + properties:
> + compatible:
> + const: st,stpmic1-onkey
> +
> + interrupts:
> + items:
> + - description: onkey-falling, happens when onkey is pressed. IT_PONKEY_F of pmic
> + - description: onkey-rising, happens when onkey is released. IT_PONKEY_R of pmic
> +
> + interrupt-names:
> + items:
> + - const: onkey-falling
> + - const: onkey-rising
> +
> + st,onkey-clear-cc-flag:
> + description: onkey is able power on after an over-current shutdown event.
> + $ref: /schemas/types.yaml#/definitions/flag
> +
> + st,onkey-pu-inactive:
> + description: onkey pull up is not active
> + $ref: /schemas/types.yaml#/definitions/flag
> +
> + power-off-time-sec:
> + minimum: 1
> + maximum: 16
> +
> + required:
> + - compatible
> + - interrupts
> + - interrupt-names
> +
> + watchdog:
> + type: object
> +
> + $ref: ../watchdog/watchdog.yaml
Same here.
> +
> + properties:
> + compatible:
> + const: st,stpmic1-wdt
> +
> + required:
> + - compatible
> +
> + regulators:
> + type: object
> +
> + description: |
> + Available Regulators in STPMIC1 device are:
> + - buck1 for Buck BUCK1
> + - buck2 for Buck BUCK2
> + - buck3 for Buck BUCK3
> + - buck4 for Buck BUCK4
> + - ldo1 for LDO LDO1
> + - ldo2 for LDO LDO2
> + - ldo3 for LDO LDO3
> + - ldo4 for LDO LDO4
> + - ldo5 for LDO LDO5
> + - ldo6 for LDO LDO6
> + - vref_ddr for LDO Vref DDR
> + - boost for Buck BOOST
> + - pwr_sw1 for VBUS_OTG switch
> + - pwr_sw2 for SW_OUT switch
> + Switches are fixed voltage regulators with only enable/disable capability.
> +
> + properties:
> + compatible:
> + const: st,stpmic1-regulators
> +
> + patternProperties:
> + "^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$":
> + description: STPMIC1 voltage regulators supplies
> +
> + "^(buck[1-4]|ldo[1-6]|vref_ddr|boost)$":
> + type: object
> +
> + $ref: ../regulator/regulator.yaml
> +
> + properties:
> + st,mask-reset:
> + description: mask reset for this regulator,
> + the regulator configuration is maintained during pmic reset.
> + $ref: /schemas/types.yaml#/definitions/flag
> +
> + interrupts:
> + maxItems: 1
> +
> + regulator-over-current-protection: true
> +
> + "^(pwr_sw[1-2])$":
> + type: object
> +
> + $ref: ../regulator/regulator.yaml
> +
> + properties:
> + interrupts:
> + maxItems: 1
> +
> + regulator-over-current-protection: true
> + regulator-active-discharge: true
No regulator properties are required?
> +
> + required:
> + - compatible
> +
> + additionalProperties: false
> +
> +additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - "#interrupt-cells"
> + - interrupt-controller
> +
> +examples:
> + - |
> + #include <dt-bindings/mfd/st,stpmic1.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pmic@33 {
> + compatible = "st,stpmic1";
> + reg = <0x33>;
> + interrupt-parent = <&gpioa>;
> + interrupts = <0 2>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> +
> + onkey {
> + compatible = "st,stpmic1-onkey";
> + interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
> + interrupt-names = "onkey-falling", "onkey-rising";
> + power-off-time-sec = <10>;
> + };
> +
> + watchdog {
> + compatible = "st,stpmic1-wdt";
> + };
> +
> + regulators {
> + compatible = "st,stpmic1-regulators";
> +
> + ldo6-supply = <&v3v3>;
> +
> + buck1 {
> + regulator-name = "vdd_core";
> + interrupts = <IT_CURLIM_BUCK1 0>;
> + st,mask-reset;
> + regulator-boot-on;
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + buck3 {
> + regulator-name = "vdd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-pull-down;
> + };
> +
> + buck4 {
> + regulator-name = "v3v3";
> + interrupts = <IT_CURLIM_BUCK4 0>;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + ldo6 {
> + regulator-name = "v1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-over-current-protection;
> + };
> + };
> + };
> + };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt b/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt
> deleted file mode 100644
> index 6189df71ea98..000000000000
> --- a/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt
> +++ /dev/null
> @@ -1,64 +0,0 @@
> -STMicroelectronics STPMIC1 Voltage regulators
> -
> -Regulator Nodes are optional depending on needs.
> -
> -Available Regulators in STPMIC1 device are:
> - - buck1 for Buck BUCK1
> - - buck2 for Buck BUCK2
> - - buck3 for Buck BUCK3
> - - buck4 for Buck BUCK4
> - - ldo1 for LDO LDO1
> - - ldo2 for LDO LDO2
> - - ldo3 for LDO LDO3
> - - ldo4 for LDO LDO4
> - - ldo5 for LDO LDO5
> - - ldo6 for LDO LDO6
> - - vref_ddr for LDO Vref DDR
> - - boost for Buck BOOST
> - - pwr_sw1 for VBUS_OTG switch
> - - pwr_sw2 for SW_OUT switch
> -
> -Switches are fixed voltage regulators with only enable/disable capability.
> -
> -Optional properties:
> -- st,mask-reset: mask reset for this regulator: the regulator configuration
> - is maintained during pmic reset.
> -- regulator-over-current-protection:
> - if set, all regulators are switched off in case of over-current detection
> - on this regulator,
> - if not set, the driver only sends an over-current event.
> -- interrupts: index of current limit detection interrupt
> -- <regulator>-supply: phandle to the parent supply/regulator node
> - each regulator supply can be described except vref_ddr.
> -- regulator-active-discharge: can be used on pwr_sw1 and pwr_sw2.
> -
> -Example:
> -regulators {
> - compatible = "st,stpmic1-regulators";
> -
> - ldo6-supply = <&v3v3>;
> -
> - vdd_core: buck1 {
> - regulator-name = "vdd_core";
> - interrupts = <IT_CURLIM_BUCK1 0>;
> - st,mask-reset;
> - regulator-pull-down;
> - regulator-min-microvolt = <700000>;
> - regulator-max-microvolt = <1200000>;
> - };
> -
> - v3v3: buck4 {
> - regulator-name = "v3v3";
> - interrupts = <IT_CURLIM_BUCK4 0>;
> -
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - };
> -
> - v1v8: ldo6 {
> - regulator-name = "v1v8";
> - regulator-min-microvolt = <1800000>;
> - regulator-max-microvolt = <1800000>;
> - regulator-over-current-protection;
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt b/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt
> deleted file mode 100644
> index 7cc1407f15cb..000000000000
> --- a/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -STMicroelectronics STPMIC1 Watchdog
> -
> -Required properties:
> -
> -- compatible : should be "st,stpmic1-wdt"
> -
> -Example:
> -
> -watchdog {
> - compatible = "st,stpmic1-wdt";
> -};
> --
> 2.15.0
>
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