From: Sebastian Reichel <sebastian.reichel@collabora.com>
To: Dan Murphy <dmurphy@ti.com>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 3/4] dt-bindings: power: Add the bq2515x family dt bindings
Date: Fri, 17 Jan 2020 02:05:22 +0100 [thread overview]
Message-ID: <20200117010522.giiz42csswgyc472@earth.universe> (raw)
In-Reply-To: <20200116175039.1317-4-dmurphy@ti.com>
[-- Attachment #1: Type: text/plain, Size: 3807 bytes --]
Hi,
On Thu, Jan 16, 2020 at 11:50:38AM -0600, Dan Murphy wrote:
> Add the bindings for the bq25150 and bq25155 500mA
> charging ICs from Texas Instruments.
>
> Datasheet:
> http://www.ti.com/lit/ds/symlink/bq25150.pdf
> http://www.ti.com/lit/ds/symlink/bq25155.pdf
>
> Signed-off-by: Dan Murphy <dmurphy@ti.com>
> ---
> .../bindings/power/supply/bq2515x.yaml | 85 +++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/power/supply/bq2515x.yaml
>
> diff --git a/Documentation/devicetree/bindings/power/supply/bq2515x.yaml b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml
> new file mode 100644
> index 000000000000..670952021e8d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (C) 2019 Texas Instruments Incorporated
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/power/supply/bq2515x.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: TI bq2515x 500-mA Linear charger family
> +
> +maintainers:
> + - Dan Murphy <dmurphy@ti.com>
> +
> +description: |
> + The BQ2515x family is a highly integrated battery charge management IC that
> + integrates the most common functions for wearable devices, namely a charger,
> + an output voltage rail, ADC for battery and system monitoring, and
> + push-button controller.
> +
> + Specifications about the charger can be found at:
> + http://www.ti.com/lit/ds/symlink/bq25150.pdf
> + http://www.ti.com/lit/ds/symlink/bq25155.pdf
> +
> +properties:
> + compatible:
> + enum:
> + - ti,bq25150
> + - ti,bq25155
> +
> + reg:
> + maxItems: 1
> +
> + pg-gpios:
> + description: |
> + GPIO used for connecting the bq2515x device PG (Power Good)
> + pin. This pin should be used if possible as this is the
> + recommended way to obtain the charger's input PG state.
> + If this pin is not specified a software-based approach for PG
> + detection is used.
Let's name this "ac-detect-gpios", which is easy to understand
an generic enough for all chargers.
> + reset-gpios:
> + description: |
> + GPIO used for hardware reset.
> +
> + low-power-gpios:
> + description: |
> + GPIO used for low power mode of IC.
> +
> + charge-enable-gpios:
> + description: |
> + GPIO used to turn on and off charging.
> +
> + constant-charge-current-max-microamp:
> + description: |
> + Maximum charging current in micro Amps.
> + minimum: 50000
> + maximum: 600000
> +
> + constant-charge-voltage-max-microvolt:
> + description: |
> + Maximum charging voltage in micro volts.
> + minimum: 3600000
> + maximum: 4600000
The above two are properties, that are coming from the battery.
Please use the simple-battery binding as described in this
file: Documentation/devicetree/bindings/power/supply/battery.txt
-- Sebastian
> +
> +required:
> + - compatible
> + - reg
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + charger@6b {
> + compatible = "ti,bq25150";
> + reg = <0x6b>;
> +
> + pg-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
> + low-power-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
> + charge-enable-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
> + constant-charge-current-max-microamp = <300000>;
> + voltage-max-design-microvolt = <4200000>;
> + };
> + };
> --
> 2.25.0
>
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2020-01-17 1:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 17:50 [PATCH v4 0/4] BQ25150/155 Driver introduction Dan Murphy
2020-01-16 17:50 ` [PATCH v4 1/4] power: supply: core: Update sysfs-class-power ABI document Dan Murphy
2020-01-17 1:05 ` Sebastian Reichel
2020-01-16 17:50 ` [PATCH v4 2/4] power_supply: Add additional health properties to the header Dan Murphy
2020-01-17 1:06 ` Sebastian Reichel
2020-03-06 23:55 ` Sandeep Patil
2020-03-10 20:09 ` Dan Murphy
2020-04-01 0:22 ` Sandeep Patil
2020-03-10 21:30 ` Sebastian Reichel
2020-03-11 11:29 ` Dan Murphy
2020-03-11 16:43 ` [EXTERNAL] " Ricardo Rivera-Matos
2020-03-14 4:12 ` Sandeep Patil
2020-03-03 20:33 ` Guru Das Srinagesh
2020-01-16 17:50 ` [PATCH v4 3/4] dt-bindings: power: Add the bq2515x family dt bindings Dan Murphy
2020-01-17 1:05 ` Sebastian Reichel [this message]
2020-01-16 17:50 ` [PATCH v4 4/4] power: supply: bq2515x: Introduce the bq2515x family Dan Murphy
2020-01-17 1:01 ` Sebastian Reichel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200117010522.giiz42csswgyc472@earth.universe \
--to=sebastian.reichel@collabora.com \
--cc=dmurphy@ti.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).