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From: Rob Herring <robh@kernel.org>
To: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc: mazziesaccount@gmail.com, Lee Jones <lee.jones@linaro.org>,
	Jacek Anaszewski <jacek.anaszewski@gmail.com>,
	Pavel Machek <pavel@ucw.cz>, Dan Murphy <dmurphy@ti.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Alessandro Zummo <a.zummo@towertech.it>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Nicholas Mc Guire <hofrat@osadl.org>,
	Phil Edworthy <phil.edworthy@renesas.com>,
	linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org,
	linux-rtc@vger.kernel.org
Subject: Re: [PATCH v5 03/16] dt-bindings: mfd: Document ROHM BD71828 bindings
Date: Fri, 22 Nov 2019 17:05:14 -0600
Message-ID: <20191122230514.GB15812@bogus> (raw)
In-Reply-To: <00abd88e370ec155b0717413d324a1c96c01a13d.1574059625.git.matti.vaittinen@fi.rohmeurope.com>

On Mon, Nov 18, 2019 at 08:54:56AM +0200, Matti Vaittinen wrote:
> ROHM BD71828 Power management IC integrates 7 buck converters, 7 LDOs,
> a real-time clock (RTC), 3 GPO/regulator control pins, HALL input
> and a 32.768 kHz clock gate.
> 
> Document the dt bindings drivers are using.
> 
> Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> ---
> 
> No changes from v4
> 
>  .../bindings/mfd/rohm,bd71828-pmic.yaml       | 249 ++++++++++++++++++
>  1 file changed, 249 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
> new file mode 100644
> index 000000000000..17ea9fa463e8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
> @@ -0,0 +1,249 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/rohm,bd71828-pmic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ROHM BD71828 Power Management Integrated Circuit bindings
> +
> +maintainers:
> +  - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> +
> +description: |
> +  BD71828GW is a single-chip power management IC for battery-powered portable
> +  devices. The IC integrates 7 buck converters, 7 LDOs, and a 1500 mA
> +  single-cell linear charger. Also included is a Coulomb counter, a real-time
> +  clock (RTC), and a 32.768 kHz clock gate.
> +
> +  The BD71828 RUN state is divided into 4 configurable run-levels named RUN0,
> +  RUN1, RUN2 and RUN3. Bucks 1, 2, 6 and 7 can be either controlled individually
> +  via I2C, or some/all of them can be bound to run-levels and controlled as a
> +  group. If bucks are controlled individually these run-levels are ignored. See
> +  ../regulator/rohm,bd71828-regulator.yaml for how to define regulator voltages
> +  for run-levels. Run-levels can be changed by I2C or GPIO depending on PMIC's
> +  OTP configuration.
> +
> +properties:
> +  compatible:
> +    const: rohm,bd71828
> +
> +  reg:
> +    description:
> +      I2C slave address.
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +    description:
> +      The interrupt line the device is connected to.

The description here is not too useful, I'd drop it.

> +
> +  gpio-controller: true
> +      # Indicate BD71828 acts as a GPIO controller.
> +
> +  "#gpio-cells":
> +    const: 2
> +    description: |
> +      The first cell is the pin number and the second cell is used to specify
> +      flags. See ../gpio/gpio.txt for more information.
> +
> +  clocks:
> +    maxItems: 1
> +    description:
> +      The parent clock connected to PMIC.

The description here is not too useful, I'd drop it.

> +
> +  "#clock-cells":
> +    const: 0
> +
> +  rohm,charger-sense-resistor-ohms:
> +    minimum: 10000000
> +    maximum: 50000000
> +    description: |
> +      BD71827 and BD71828 have SAR ADC for measuring charging currents.
> +      External sense resistor (RSENSE in data sheet) should be used. If some
> +      other but 30MOhm resistor is used the resistance value should be given
> +      here in Ohms.
> +
> +  regulators:
> +    $ref: ../regulator/rohm,bd71828-regulator.yaml
> +    description:
> +      List of child nodes that specify the regulators.
> +
> +  leds:
> +    $ref: ../leds/rohm,bd71828-leds.yaml
> +
> +  rohm,dvs-vsel-gpios:
> +    maxItems: 2
> +    description: |
> +      GPIOs used to control PMIC run-levels. Should describe two GPIOs.
> +      (See run-level control in data-sheet). If this property is omitted but
> +      some bucks are marked to be controlled by run-levels - then OTP option
> +      allowing run-level control via I2C is assumed.
> +
> +  gpio-reserved-ranges:
> +    description: |
> +      Usage of BD71828 GPIO pins can be changed via OTP. This property can be
> +      used to mark the pins which should not be configured for GPIO. Please see
> +      the ../gpio/gpio.txt for more information.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - "#clock-cells"
> +  - regulators
> +  - gpio-controller
> +  - "#gpio-cells"

  reply index

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-18  6:53 [PATCH v5 00/16] Support ROHM BD71828 PMIC Matti Vaittinen
2019-11-18  6:53 ` [PATCH v5 01/16] dt-bindings: regulator: Document ROHM BD71282 regulator bindings Matti Vaittinen
2019-11-18 16:25   ` Mark Brown
2019-11-18 18:03     ` Vaittinen, Matti
2019-11-19 18:13       ` Mark Brown
2019-11-19 18:51         ` Vaittinen, Matti
2019-11-19 19:36           ` Mark Brown
2019-11-29  7:48             ` Vaittinen, Matti
2019-11-29 12:09               ` Mark Brown
2019-12-02  7:57                 ` Vaittinen, Matti
2019-12-02 13:11                   ` Mark Brown
2019-12-02 14:02                     ` Vaittinen, Matti
2019-12-04 12:47                       ` Mark Brown
2019-12-04 13:13                         ` Vaittinen, Matti
2019-12-04 14:14                           ` Mark Brown
2019-12-10 10:39                             ` Vaittinen, Matti
2019-12-10 11:14                 ` Vaittinen, Matti
2019-12-10 12:11                   ` Mark Brown
2019-12-10 12:41                     ` Vaittinen, Matti
2019-12-10 12:45                       ` Mark Brown
2019-12-10 13:07                         ` Vaittinen, Matti
2019-11-22 22:48   ` Rob Herring
2019-11-18  6:54 ` [PATCH v5 02/16] dt-bindings: leds: ROHM BD71282 PMIC LED driver Matti Vaittinen
2019-11-22 23:00   ` Rob Herring
2019-11-18  6:54 ` [PATCH v5 03/16] dt-bindings: mfd: Document ROHM BD71828 bindings Matti Vaittinen
2019-11-22 23:05   ` Rob Herring [this message]
2019-11-18  6:55 ` [PATCH v5 04/16] mfd: rohm PMICs - use platform_device_id to match MFD sub-devices Matti Vaittinen
2019-11-18  6:55 ` [PATCH v5 05/16] mfd: bd71828: Support ROHM BD71828 PMIC - core Matti Vaittinen
2019-11-18  6:56 ` [PATCH v5 06/16] mfd: input: bd71828: Add power-key support Matti Vaittinen
2019-11-18  6:56 ` [PATCH v5 07/16] clk: bd718x7: Support ROHM BD71828 clk block Matti Vaittinen
2019-11-18  6:57 ` [PATCH v5 08/16] regulator: bd718x7: Split driver to common and bd718x7 specific parts Matti Vaittinen
2019-11-18  6:57 ` [PATCH v5 09/16] regulator: bd71828: Basic support for ROHM bd71828 PMIC regulators Matti Vaittinen
2019-11-18 16:20   ` Mark Brown
2019-11-19  9:12     ` Vaittinen, Matti
2019-11-18  6:58 ` [PATCH v5 10/16] gpio: devres: Add devm_gpiod_get_parent_array Matti Vaittinen
2019-11-19 14:43   ` Linus Walleij
2019-11-19 17:54     ` Vaittinen, Matti
2019-11-21 14:13       ` Linus Walleij
2019-11-18  6:59 ` [PATCH v5 11/16] docs: driver-model: Add missing managed GPIO array get functions Matti Vaittinen
2019-11-18  6:59 ` [PATCH v5 12/16] regulator: bd71828: Add GPIO based run-level control for regulators Matti Vaittinen
2019-11-18  7:00 ` [PATCH v5 13/16] rtc: bd70528 add BD71828 support Matti Vaittinen
2019-12-10 13:24   ` Alexandre Belloni
2019-11-18  7:01 ` [PATCH v5 14/16] gpio: bd71828: Initial support for ROHM BD71828 PMIC GPIOs Matti Vaittinen
2019-11-18  9:22   ` Bartosz Golaszewski
2019-11-18  7:03 ` [PATCH v5 15/16] leds: Add common LED binding parsing support to LED class/core Matti Vaittinen
2019-11-18 21:55   ` Jacek Anaszewski
2019-11-19  7:21     ` Vaittinen, Matti
2019-11-19 19:30       ` Jacek Anaszewski
2019-11-20  7:31         ` Vaittinen, Matti
2019-11-19 14:23   ` Vaittinen, Matti
2019-11-18  7:03 ` [PATCH v5 16/16] led: bd71828: Support LED outputs on ROHM BD71828 PMIC Matti Vaittinen

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