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Date: Fri, 5 Feb 2021 16:26:06 -0600
From: Rob Herring <robh@...nel.org>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc: Mark Brown <broonie@...nel.org>, Lee Jones <lee.jones@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Mayulong <mayulong1@...wei.com>, devel@...verdev.osuosl.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 18/21] mfd: hi6421-spmi-pmic: move driver from staging
On Tue, Jan 19, 2021 at 05:10:44PM +0100, Mauro Carvalho Chehab wrote:
> This driver is ready for mainstream. So, move it out of staging.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
> .../mfd/hisilicon,hi6421-spmi-pmic.yaml | 135 +++++++++
> MAINTAINERS | 7 +
> drivers/mfd/Kconfig | 15 +
> drivers/mfd/Makefile | 1 +
> drivers/mfd/hi6421-spmi-pmic.c | 281 ++++++++++++++++++
> drivers/staging/hikey9xx/Kconfig | 16 -
> drivers/staging/hikey9xx/Makefile | 1 -
> drivers/staging/hikey9xx/hi6421-spmi-pmic.c | 281 ------------------
> .../hikey9xx/hisilicon,hi6421-spmi-pmic.yaml | 135 ---------
> 9 files changed, 439 insertions(+), 433 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
> create mode 100644 drivers/mfd/hi6421-spmi-pmic.c
> delete mode 100644 drivers/staging/hikey9xx/hi6421-spmi-pmic.c
> delete mode 100644 drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
> new file mode 100644
> index 000000000000..3b23ad56b31a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
> @@ -0,0 +1,135 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/hisilicon,hi6421-spmi-pmic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HiSilicon 6421v600 SPMI PMIC
> +
> +maintainers:
> + - Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> +
> +description: |
> + HiSilicon 6421v600 should be connected inside a MIPI System Power Management
> + (SPMI) bus. It provides interrupts and power supply.
> +
> + The GPIO and interrupt settings are represented as part of the top-level PMIC
> + node.
> +
> + The SPMI controller part is provided by
> + drivers/staging/hikey9xx/hisilicon,hisi-spmi-controller.yaml.
> +
> +properties:
> + $nodename:
> + pattern: "pmic@[0-9a-f]"
> +
> + compatible:
> + const: hisilicon,hi6421v600-spmi
'-spmi' is redundant.
> +
> + reg:
> + maxItems: 1
> +
> + '#interrupt-cells':
> + const: 2
> +
> + interrupt-controller:
> + description:
> + Identify that the PMIC is capable of behaving as an interrupt controller.
Don't need a description here.
Don't you need 'interrupts' here to get the interrupts to the host?
> +
> + gpios:
> + maxItems: 1
GPIO for what? It's preferred to have a named gpio.
> +
> + regulators:
> + type: object
> +
> + properties:
> + '#address-cells':
> + const: 1
> +
> + '#size-cells':
> + const: 0
> +
> + patternProperties:
> + '^ldo[0-9]+@[0-9a-f]$':
> + type: object
> +
> + $ref: "/schemas/regulator/regulator.yaml#"
additionalProperties: false
Which will give you errors in the example.
> +
> +required:
> + - compatible
> + - reg
> + - regulators
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + /* pmic properties */
> +
> + pmic: pmic@0 {
> + compatible = "hisilicon,hi6421-spmi";
> + reg = <0 0>;
> +
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + gpios = <&gpio28 0 0>;
> +
> + regulators {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ldo3: LDO3 {
LDO3: ldo3 {
is preferred and closer to what you defined above.
> + regulator-name = "ldo3";
> + regulator-min-microvolt = <1500000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-boot-on;
> + };
> +
> + ldo4: LDO4 {
> + regulator-name = "ldo4";
> + regulator-min-microvolt = <1725000>;
> + regulator-max-microvolt = <1900000>;
> + regulator-boot-on;
> + };
> +
> + ldo9: LDO9 {
> + regulator-name = "ldo9";
> + regulator-min-microvolt = <1750000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + };
> +
> + ldo15: LDO15 {
> + regulator-name = "ldo15";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-always-on;
> + };
> +
> + ldo16: LDO16 {
> + regulator-name = "ldo16";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-boot-on;
> + };
> +
> + ldo17: LDO17 {
> + regulator-name = "ldo17";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + ldo33: LDO33 {
> + regulator-name = "ldo33";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + };
> +
> + ldo34: LDO34 {
> + regulator-name = "ldo34";
> + regulator-min-microvolt = <2600000>;
> + regulator-max-microvolt = <3300000>;
> + };
> + };
> + };
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