linux-kernel - Re: [PATCH 1/5] dt-bindings: mfd: Add rk816 binding

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Message-ID: <f2b2ecd2-7df7-4265-a022-655bffc7ac61@linaro.org>
Date: Fri, 22 Mar 2024 08:07:25 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Alex Bee <knaerzche@...il.com>, Lee Jones <lee@...nel.org>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Linus Walleij <linus.walleij@...aro.org>, Liam Girdwood
 <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>
Cc: Chris Zhong <zyw@...k-chips.com>, Zhang Qing <zhangqing@...k-chips.com>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-gpio@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: mfd: Add rk816 binding

On 21/03/2024 15:39, Alex Bee wrote:
> Add DT binding document for Rockchip's RK816 PMIC
> 
> Signed-off-by: Alex Bee <knaerzche@...il.com>

> diff --git a/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
> new file mode 100644
> index 000000000000..b46de99f60ff
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
> @@ -0,0 +1,259 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/rockchip,rk816.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: RK816 Power Management Integrated Circuit
> +
> +maintainers:
> +  - Chris Zhong <zyw@...k-chips.com>
> +  - Zhang Qing <zhangqing@...k-chips.com>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  Rockchip RK816 series PMIC. This device consists of an i2c controlled MFD
> +  that includes regulators, a RTC, a gpio controller, and a power button.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - rockchip,rk816
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    description: |

Do not need '|' unless you need to preserve formatting.

> +      See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
> +    const: 1
> +
> +  clock-output-names:
> +    description:
> +      From common clock binding to override the default output clock name.

Drop description, it's obvious.

> +    maxItems: 2
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':
> +    const: 2
> +
> +  system-power-controller:
> +    type: boolean
> +    description:
> +      Telling whether or not this PMIC is controlling the system power.
> +
> +  wakeup-source:
> +    type: boolean
> +    description:
> +      Device can be used as a wakeup source.

Drop description, it's obvious. It's considered generic property, even
if we did not document it in dtschema yet.

> +
> +  vcc1-supply:
> +    description:
> +      The input supply for DCDC_REG1.
> +
> +  vcc2-supply:
> +    description:
> +      The input supply for DCDC_REG2.
> +
> +  vcc3-supply:
> +    description:
> +      The input supply for DCDC_REG3.
> +
> +  vcc4-supply:
> +    description:
> +      The input supply for DCDC_REG4.
> +
> +  vcc5-supply:
> +    description:
> +      The input supply for LDO_REG1, LDO_REG2, and LDO_REG3.
> +
> +  vcc6-supply:
> +    description:
> +      The input supply for LDO_REG4, LDO_REG5, and LDO_REG6.
> +
> +  vcc7-supply:
> +    description:
> +      The input supply for BOOST.
> +
> +  vcc8-supply:
> +    description:
> +      The input supply for OTG_SWITCH.
> +
> +  regulators:
> +    type: object
> +    patternProperties:
> +      "^(DCDC_REG[1-4]|LDO_REG[1-6]|BOOST|OTG_SWITCH)$":

Lowercase. No underscores allowed, use hyphens.

> +        type: object
> +        $ref: ../regulator/regulator.yaml#

Full path, so /schemas/regulator/

> +        unevaluatedProperties: false
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - "#clock-cells"
> +
> +additionalProperties: false
> +
> +examples:


Best regards,
Krzysztof