From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Douglas Anderson <dianders@chromium.org>,
Jiri Kosina <jikos@kernel.org>,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Sam Ravnborg <sam@ravnborg.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>
Cc: dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
hsinyi@google.com, devicetree@vger.kernel.org,
yangcong5@huaqin.corp-partner.google.com,
linux-kernel@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>,
linux-arm-msm@vger.kernel.org,
cros-qcom-dts-watchers@chromium.org
Subject: Re: [PATCH 1/9] dt-bindings: HID: i2c-hid: Add "panel" property to i2c-hid backed panels
Date: Tue, 30 May 2023 17:34:47 +0200 [thread overview]
Message-ID: <10457cab-f9b0-c38b-9f11-36853b71c7e8@linaro.org> (raw)
In-Reply-To: <20230523122802.1.Id68e30343bb1e11470582a9078b086176cfec46b@changeid>
On 23/05/2023 21:27, Douglas Anderson wrote:
> As talked about in the patch ("drm/panel: Add a way for other devices
> to follow panel state"), touchscreens that are connected to panels are
> generally expected to be power sequenced together with the panel
> they're attached to. Today, nothing provides information allowing you
> to find out that a touchscreen is connected to a panel. Let's add a
> phandle for this.
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> ---
>
> Documentation/devicetree/bindings/input/elan,ekth6915.yaml | 6 ++++++
> Documentation/devicetree/bindings/input/goodix,gt7375p.yaml | 6 ++++++
> Documentation/devicetree/bindings/input/hid-over-i2c.yaml | 6 ++++++
> 3 files changed, 18 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/input/elan,ekth6915.yaml b/Documentation/devicetree/bindings/input/elan,ekth6915.yaml
> index 05e6f2df604c..d55b03bd3ec4 100644
> --- a/Documentation/devicetree/bindings/input/elan,ekth6915.yaml
> +++ b/Documentation/devicetree/bindings/input/elan,ekth6915.yaml
> @@ -24,6 +24,12 @@ properties:
> interrupts:
> maxItems: 1
>
> + panel:
> + description: If this is a touchscreen, the panel it's connected to. This
Hm, can there be different setup? Touchscreen without panel? What would
it be then?
Why only these touchscreens? This looks generic, so maybe in
touchscreen.yaml?
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-05-30 15:35 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-23 19:27 [PATCH 0/9] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together Douglas Anderson
2023-05-23 19:27 ` [PATCH 1/9] dt-bindings: HID: i2c-hid: Add "panel" property to i2c-hid backed panels Douglas Anderson
2023-05-30 15:34 ` Krzysztof Kozlowski [this message]
2023-05-30 16:52 ` Doug Anderson
2023-05-23 19:27 ` [PATCH 2/9] drm/panel: Check for already prepared/enabled in drm_panel Douglas Anderson
2023-05-24 9:52 ` Neil Armstrong
2023-05-24 16:57 ` Doug Anderson
2023-05-24 16:19 ` Chris Morgan
2023-05-24 17:04 ` Doug Anderson
2023-05-23 19:27 ` [PATCH 3/9] drm/panel: Add a way for other devices to follow panel state Douglas Anderson
2023-05-23 19:27 ` [PATCH 4/9] HID: i2c-hid: Switch to SYSTEM_SLEEP_PM_OPS() Douglas Anderson
2023-05-23 19:27 ` [PATCH 5/9] HID: i2c-hid: Rearrange probe() to power things up later Douglas Anderson
2023-05-23 19:28 ` [PATCH 6/9] HID: i2c-hid: Make suspend and resume into helper functions Douglas Anderson
2023-05-23 19:28 ` [PATCH 7/9] HID: i2c-hid: Support being a panel follower Douglas Anderson
2023-05-24 17:29 ` Doug Anderson
2023-05-23 19:28 ` [PATCH 8/9] HID: i2c-hid: Do panel follower work on the system_wq Douglas Anderson
2023-05-23 19:28 ` [PATCH 9/9] arm64: dts: qcom: sc7180: Link trogdor touchscreens to the panels Douglas Anderson
2023-05-23 21:39 ` [PATCH 0/9] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together Dmitry Torokhov
2023-05-23 23:52 ` Doug Anderson
2023-05-26 19:29 ` Konrad Dybcio
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=10457cab-f9b0-c38b-9f11-36853b71c7e8@linaro.org \
--to=krzysztof.kozlowski@linaro.org \
--cc=andersson@kernel.org \
--cc=benjamin.tissoires@redhat.com \
--cc=conor+dt@kernel.org \
--cc=cros-qcom-dts-watchers@chromium.org \
--cc=daniel@ffwll.ch \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=dmitry.torokhov@gmail.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=hsinyi@google.com \
--cc=jikos@kernel.org \
--cc=konrad.dybcio@linaro.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maarten.lankhorst@linux.intel.com \
--cc=mripard@kernel.org \
--cc=neil.armstrong@linaro.org \
--cc=robh+dt@kernel.org \
--cc=sam@ravnborg.org \
--cc=tzimmermann@suse.de \
--cc=yangcong5@huaqin.corp-partner.google.com \
/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).