lkml.org 
[lkml]   [2014]   [Sep]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mfd: tps65217: add compatible string for subdevices
On Mon, 22 Sep 2014, Johannes Pointner wrote:

> The TPS65217 is missing of_compatible string in the mfd_cell for its
> subdevices. This compatible string is necessary to use functions like
> of_find_backlight_by_node in backlight.c.
>
> Signed-off-by: Johannes Pointner <johannes.pointner@br-automation.com>
> ---
> Documentation/devicetree/bindings/regulator/tps65217.txt | 5 ++++-
> .../devicetree/bindings/video/backlight/tps65217-backlight.txt | 6 +++---
> drivers/mfd/tps65217.c | 2 ++
> 3 files changed, 9 insertions(+), 4 deletions(-)

[...]

> diff --git a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
> index 5fb9279..c3fb649 100644
> --- a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
> +++ b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
> @@ -7,18 +7,18 @@ Required properties:
> - compatible: "ti,tps65217"
> - reg: I2C slave address
> - backlight: node for specifying WLED1 and WLED2 lines in TPS65217
> +- compatible: "ti,tps65217-bl"

This is now confusing. Please make it clear that this part of the
documentation is now referencing the sub-node.

> - isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level)
> - fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000
> - default-brightness: valid values: 0-100
>
> -Each regulator is defined using the standard binding for regulators.
> -
> Example:
>
> tps: tps@24 {
> reg = <0x24>;
> compatible = "ti,tps65217";
> - backlight {
> + tps_bl: backlight {
> + compatible = "ti,tps65217-bl";
> isel = <1>; /* 1 - ISET1, 2 ISET2 */
> fdim = <100>; /* TPS65217_BL_FDIM_100HZ */
> default-brightness = <50>;
> diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c

This shouldn't be in this patch.

Please adhere to: Documentation/devicetree/bindings/submitting-patches.txt

> index 3cc4c70..77708f9 100644
> --- a/drivers/mfd/tps65217.c
> +++ b/drivers/mfd/tps65217.c
> @@ -33,9 +33,11 @@
> static const struct mfd_cell tps65217s[] = {
> {
> .name = "tps65217-pmic",
> + .of_compatible = "ti,tps65217-pmic",
> },
> {
> .name = "tps65217-bl",
> + .of_compatible = "ti,tps65217-bl",
> },
> };
>

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2014-09-24 13:41    [W:0.097 / U:0.836 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site