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| Path | csiph.com!goblin3!goblin2!goblin.stu.neva.ru!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Chen-Yu Tsai <wens@csie.org> |
| Newsgroups | linux.kernel |
| Subject | Re: [linux-sunxi] [PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets |
| Date | Fri, 18 Sep 2015 18:30:01 +0200 |
| Message-ID | <qa6HT-7Th-7@gated-at.bofh.it> (permalink) |
| References | <q9YqZ-4pF-3@gated-at.bofh.it> <q9YqZ-4pF-1@gated-at.bofh.it> <qa5Vw-6Jf-19@gated-at.bofh.it> |
| X-Original-To | Hans de Goede <hdegoede@redhat.com> |
| X-Received | by 10.50.92.69 with SMTP id ck5mr13524718igb.3.1442593539909; Fri, 18 Sep 2015 09:25:39 -0700 (PDT) |
| MIME-Version | 1.0 |
| Content-Type | text/plain; charset=UTF-8 |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 47 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Chen-Yu Tsai <wens@csie.org>, Maxime Ripard <maxime.ripard@free-electrons.com>, linux-arm-kernel <linux-arm-kernel@lists.infradead.org>, linux-kernel <linux-kernel@vger.kernel.org>, linux-sunxi <linux-sunxi@googlegroups.com> |
| X-Original-Date | Sat, 19 Sep 2015 00:25:20 +0800 |
| X-Original-Message-ID | <CAGb2v65kEqxiWLz_faQzMWFP0nHY_tv-aJCZGNQJjYFbGEn8rQ@mail.gmail.com> |
| X-Original-References | <1442561739-6824-1-git-send-email-wens@csie.org> <1442561739-6824-4-git-send-email-wens@csie.org> <55FC2E95.7040006@redhat.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1228132 |
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On Fri, Sep 18, 2015 at 11:32 PM, Hans de Goede <hdegoede@redhat.com> wrote:
> Hi,
>
> On 09/18/2015 03:35 AM, Chen-Yu Tsai wrote:
>>
>> A23/A33 based Q8 format tablets use channel 0 of the PWM controller for
>> backlight dimming.
>>
>> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
>> ---
>> arch/arm/boot/dts/sun8i-q8-common.dtsi | 6 ++++++
>> 1 file changed, 6 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi
>> b/arch/arm/boot/dts/sun8i-q8-common.dtsi
>> index 6f8a8bb4e9bb..4c2d0b459d6f 100644
>> --- a/arch/arm/boot/dts/sun8i-q8-common.dtsi
>> +++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi
>> @@ -70,6 +70,12 @@
>> };
>> };
>>
>> +&pwm {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pwm0_pins>;
>> + status = "okay";
>> +};
>> +
>> &r_uart {
>> pinctrl-names = "default";
>> pinctrl-0 = <&r_uart_pins_a>;
>>
>
> I've a feeling this should be in sunxi-q8-common.dtsi not
> sun8i-q8-common.dtsi, which requires adding a pwm
> node to sun5i.dtsi I'll look into this.
It probably should. IIRC sun5i PWM has only one channel as opposed to
2 on A10/A20.
ChenYu
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[PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets Chen-Yu Tsai <wens@csie.org> - 2015-09-18 09:40 +0200
Re: [linux-sunxi] [PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets Hans de Goede <hdegoede@redhat.com> - 2015-09-18 17:40 +0200
Re: [linux-sunxi] [PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets Chen-Yu Tsai <wens@csie.org> - 2015-09-18 18:30 +0200
Re: [linux-sunxi] [PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets Hans de Goede <hdegoede@redhat.com> - 2015-09-19 23:40 +0200
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