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Date: Tue, 3 Mar 2020 10:30:54 -0600
From: Rob Herring <robh@...nel.org>
To: Benjamin GAIGNARD <benjamin.gaignard@...com>
Cc: "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
"mark.rutland@....com" <mark.rutland@....com>,
"lee.jones@...aro.org" <lee.jones@...aro.org>,
"lgirdwood@...il.com" <lgirdwood@...il.com>,
"broonie@...nel.org" <broonie@...nel.org>,
"wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
"linux@...ck-us.net" <linux@...ck-us.net>,
Pascal PAILLET-LME <p.paillet@...com>,
"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>
Subject: Re: [PATCH v4] dt-bindings: mfd: Convert stpmic1 bindings to json-schema
On Tue, Mar 3, 2020 at 2:17 AM Benjamin GAIGNARD
<benjamin.gaignard@...com> wrote:
>
>
>
> On 3/3/20 2:39 AM, Rob Herring wrote:
> > On Fri, Feb 28, 2020 at 11:58:09AM +0100, Benjamin Gaignard wrote:
> >> Convert stpmic1 bindings to json-schema.
> >>
> >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> >> ---
> >> version 4:
> >> - move on uppder node $ref: ../regulator/regulator.yaml
> >> - move fixed strings under properties field
> >> - remove unneeded () in patternProperties
> >> - keep ldo3 separate from other ldo properties
> >> Note:
> >> - 'st,mask-reset' property stay in each subnode, I don't find
> >> the syntax to avoid dupliquate it.
> >> - ldo6-supply and all possible *-supply are describe by this regular
> >> expression: ^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$":
> >>
> >> version 3:
> >> - put $ref under allOf keyword
> >> - for each regulator node add the list of supported regulator properties
> >>
> >> .../devicetree/bindings/input/st,stpmic1-onkey.txt | 28 --
> >> .../devicetree/bindings/mfd/st,stpmic1.txt | 61 ----
> >> .../devicetree/bindings/mfd/st,stpmic1.yaml | 338 +++++++++++++++++++++
> >> .../bindings/regulator/st,stpmic1-regulator.txt | 64 ----
> >> .../bindings/watchdog/st,stpmic1-wdt.txt | 11 -
> >> 5 files changed, 338 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..e9adcd04a48d
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
> >> @@ -0,0 +1,338 @@
> >> +# 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
> >> +
> >> + allOf:
> >> + - $ref: ../input/input.yaml
> >> +
> >> + 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
> >> +
> >> + additionalProperties: false
> >> +
> >> + watchdog:
> >> + type: object
> >> +
> >> + allOf:
> >> + - $ref: ../watchdog/watchdog.yaml
> >> +
> >> + properties:
> >> + compatible:
> >> + const: st,stpmic1-wdt
> >> +
> >> + timeout-sec: true
> >> +
> >> + required:
> >> + - compatible
> >> +
> >> + additionalProperties: false
> >> +
> >> + regulators:
> >> + type: object
> >> +
> >> + allOf:
> >> + - $ref: ../regulator/regulator.yaml
> > Sigh. Haven't I already said this was at the wrong level once before?
> >
> > My suggestion was to put this under
> > "^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$".
> Yes but "^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$" node doesn't
> need regulators properties.
> Only the nodes without '-supply' need these properties and they are at
> the same level than the -supply nodes.
> I have put the reference to the regulator upper as I can.
Sorry, I meant they should be under a
"^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])$" property.
Rob
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