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SubjectRe: [PATCH 5/5] pwm: pwm-tiehrpwm: Update dt binding document to use generic node name
On Thu, Mar 17, 2016 at 11:49 AM, Franklin S Cooper Jr. <fcooper@ti.com> wrote:
>
>
> On 03/17/2016 10:03 AM, Rob Herring wrote:
>> On Mon, Mar 07, 2016 at 01:51:58PM -0600, Franklin S Cooper Jr wrote:
>>> Now that the node name has been changed from ehrpwm to pwm the document
>>> should show this proper usage. Also change the unit address in the example
>>> from 0 to the proper physical address value that should be used.
>>>
>>> Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
>>> ---
>>> Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
>>> index 9c100b2..20211ed 100644
>>> --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
>>> +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
>>> @@ -15,14 +15,14 @@ Optional properties:
>>>
>>> Example:
>>>
>>> -ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */
>>> +ehrpwm0: pwm@48300200 { /* EHRPWM on am33xx */
>>> compatible = "ti,am33xx-ehrpwm";
>>> #pwm-cells = <3>;
>>> reg = <0x48300200 0x100>;
>>> ti,hwmods = "ehrpwm0";
>>> };
>>>
>>> -ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */
>>> +ehrpwm0: pwm@01f00000 { /* EHRPWM on da850 */
>> No leading 0s, but more importantly the address is wrong.
>
> I will remove the leading 0. However, this value was taken
> from the .dtsi and I just double checked and I see the same
> value in the datasheet. I believe DA850,OMAP-L138 and AM18x
> all have the same memory mapping. I'm looking at
> http://www.ti.com/lit/ds/symlink/am1808.pdf page 233 and the
> addresses match up what is seen here and in the .dtsi.
>
> Can you point me to which document your looking at that
> shows a different value?

Ummm, ...

>>> compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
>>> #pwm-cells = <3>;
>>> reg = <0x300000 0x2000>;

right here.

>>> --
>>> 2.7.0
>>>
>

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