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Date: Tue, 13 Apr 2021 10:34:07 -0500
From: Rob Herring <robh@...nel.org>
To: Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: Sebastian Reichel <sre@...nel.org>,
Lee Jones <lee.jones@...aro.org>,
Linus Walleij <linus.walleij@...aro.org>,
linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCH 5/6] dt-bindings: power: mfd: max8925: Convert to DT
schema format
On Tue, Apr 13, 2021 at 01:03:19AM +0200, Sebastian Reichel wrote:
> Convert the binding to DT schema format.
>
> The sub-functions of this MFD device do not have their own compatible
> string and are thus described directly in the MFD binding document
> after being converted to YAML.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
> .../leds/backlight/max8925-backlight.txt | 10 --
> .../devicetree/bindings/mfd/max8925.txt | 64 --------
> .../bindings/mfd/maxim,max8925.yaml | 139 ++++++++++++++++++
> .../bindings/power/supply/max8925_battery.txt | 18 ---
> 4 files changed, 139 insertions(+), 92 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/leds/backlight/max8925-backlight.txt
> delete mode 100644 Documentation/devicetree/bindings/mfd/max8925.txt
> create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max8925.yaml
> delete mode 100644 Documentation/devicetree/bindings/power/supply/max8925_battery.txt
>
> diff --git a/Documentation/devicetree/bindings/leds/backlight/max8925-backlight.txt b/Documentation/devicetree/bindings/leds/backlight/max8925-backlight.txt
> deleted file mode 100644
> index b4cffdaa4137..000000000000
> --- a/Documentation/devicetree/bindings/leds/backlight/max8925-backlight.txt
> +++ /dev/null
> @@ -1,10 +0,0 @@
> -88pm860x-backlight bindings
> -
> -Optional properties:
> - - maxim,max8925-dual-string: whether support dual string
> -
> -Example:
> -
> - backlights {
> - maxim,max8925-dual-string = <0>;
> - };
> diff --git a/Documentation/devicetree/bindings/mfd/max8925.txt b/Documentation/devicetree/bindings/mfd/max8925.txt
> deleted file mode 100644
> index 4f0dc6638e5e..000000000000
> --- a/Documentation/devicetree/bindings/mfd/max8925.txt
> +++ /dev/null
> @@ -1,64 +0,0 @@
> -* Maxim max8925 Power Management IC
> -
> -Required parent device properties:
> -- compatible : "maxim,max8925"
> -- reg : the I2C slave address for the max8925 chip
> -- interrupts : IRQ line for the max8925 chip
> -- interrupt-controller: describes the max8925 as an interrupt
> - controller (has its own domain)
> -- #interrupt-cells : should be 1.
> - - The cell is the max8925 local IRQ number
> -
> -Optional parent device properties:
> -- maxim,tsc-irq: there are 2 IRQ lines for max8925, one is indicated in
> - interrupts property, the other is indicated here.
> -
> -max8925 consists of a large and varied group of sub-devices:
> -
> -Device Supply Names Description
> ------- ------------ -----------
> -max8925-onkey : : On key
> -max8925-rtc : : RTC
> -max8925-regulator : : Regulators
> -max8925-backlight : : Backlight
> -max8925-touch : : Touchscreen
> -max8925-power : : Charger
> -
> -Example:
> -
> - pmic: max8925@3c {
> - compatible = "maxim,max8925";
> - reg = <0x3c>;
> - interrupts = <1>;
> - interrupt-parent = <&intcmux4>;
> - interrupt-controller;
> - #interrupt-cells = <1>;
> - maxim,tsc-irq = <0>;
> -
> - regulators {
> - SDV1 {
> - regulator-min-microvolt = <637500>;
> - regulator-max-microvolt = <1425000>;
> - regulator-boot-on;
> - regulator-always-on;
> - };
> -
> - LDO1 {
> - regulator-min-microvolt = <750000>;
> - regulator-max-microvolt = <3900000>;
> - regulator-boot-on;
> - regulator-always-on;
> - };
> -
> - };
> - backlight {
> - maxim,max8925-dual-string = <0>;
> - };
> - charger {
> - batt-detect = <0>;
> - topoff-threshold = <1>;
> - fast-charge = <7>;
> - no-temp-support = <0>;
> - no-insert-detect = <0>;
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max8925.yaml b/Documentation/devicetree/bindings/mfd/maxim,max8925.yaml
> new file mode 100644
> index 000000000000..45365c53bb46
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max8925.yaml
> @@ -0,0 +1,139 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/maxim,max8925.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MAX8925 PMIC from Maxim Integrated.
> +
> +maintainers:
> + - Lee Jones <lee.jones@...aro.org>
> +
> +properties:
> + compatible:
> + const: maxim,max8925
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + interrupt-controller: true
> +
> + "#interrupt-cells":
> + const: 1
> + description:
> + The cell is the IRQ number
> +
> + maxim,tsc-irq:
> + description: second interrupt from max8925
> + $ref: /schemas/types.yaml#/definitions/uint32
> +
> + regulators:
> + type: object
> +
> + patternProperties:
> + "^SDV[1-3]$|^LDO[1-9]$|^LDO1[0-9]$|^LDO20$":
> + description: regulator configuration for SDV1-3 and LDO1-20
> + $ref: /schemas/regulator/regulator.yaml
> +
> + additionalProperties: false
> +
> + backlight:
> + type: object
> + properties:
> + maxim,max8925-dual-string:
> + description: set to 1 to support dual string
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [0, 1]
> + default: 0
> +
> + additionalProperties: false
> +
> + charger:
> + type: object
> + properties:
> + batt-detect:
> + description: set to 1 if battery detection via ID pin is supported
> + enum: [0, 1]
> + default: 0
> +
> + topoff-threshold:
> + description: charging current in topoff mode, configures bits 5-6 in CHG_CNTL1
> + minimum: 0
> + maximum: 3
> + default: 0
> +
> + fast-charge:
> + description: set charging current in fast mode, configures bits 0-3 in CHG_CNTL1
> + minimum: 0
> + maximum: 7
> + default: 0
> +
> + no-temp-support:
> + description: set to 1 if temperature sensing is not supported
> + enum: [0, 1]
> + default: 0
> +
> + no-insert-detect:
> + description: set to 1 if AC detection is not supported
> + enum: [0, 1]
> + default: 0
All these need a type reference.
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-controller
> + - "#interrupt-cells"
> + - regulators
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + max8925@3c {
> + compatible = "maxim,max8925";
> + reg = <0x3c>;
> + interrupts = <1>;
> + interrupt-parent = <&intcmux4>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + maxim,tsc-irq = <0>;
> +
> + regulators {
> + SDV1 {
> + regulator-min-microvolt = <637500>;
> + regulator-max-microvolt = <1425000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + LDO1 {
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <3900000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> +
> + backlight {
> + maxim,max8925-dual-string = <0>;
> + };
> +
> + charger {
> + batt-detect = <0>;
> + topoff-threshold = <1>;
> + fast-charge = <7>;
> + no-temp-support = <0>;
> + no-insert-detect = <0>;
> + };
> + };
> + };
> diff --git a/Documentation/devicetree/bindings/power/supply/max8925_battery.txt b/Documentation/devicetree/bindings/power/supply/max8925_battery.txt
> deleted file mode 100644
> index d7e3e0c0f71d..000000000000
> --- a/Documentation/devicetree/bindings/power/supply/max8925_battery.txt
> +++ /dev/null
> @@ -1,18 +0,0 @@
> -max8925-battery bindings
> -~~~~~~~~~~~~~~~~
> -
> -Optional properties :
> - - batt-detect: whether support battery detect
> - - topoff-threshold: set charging current in topoff mode
> - - fast-charge: set charging current in fast mode
> - - no-temp-support: whether support temperature protection detect
> - - no-insert-detect: whether support insert detect
> -
> -Example:
> - charger {
> - batt-detect = <0>;
> - topoff-threshold = <1>;
> - fast-charge = <7>;
> - no-temp-support = <0>;
> - no-insert-detect = <0>;
> - };
> --
> 2.30.2
>
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