2014-09-24 13:06 GMT+02:00 Lee Jones <lee.jones@xxxxxxxxxx>:
> 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@xxxxxxxxxxxxxxxxx>
>> ---
>> 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.
I will add a Subnode properties label, to make it clearer.
>
>> - 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
I will split the patch.
>
>> 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
Thank you for your feedback. I'll resend the patches with the modifications.
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