From: Aradhya Bhatia <a-bhatia1@ti.com>
To: Rob Herring <robh@kernel.org>
Cc: Nishanth Menon <nm@ti.com>,
Devicetree List <devicetree@vger.kernel.org>,
Tomi Valkeinen <tomba@kernel.org>,
David Airlie <airlied@linux.ie>,
Linux Kernel List <linux-kernel@vger.kernel.org>,
DRI Development List <dri-devel@lists.freedesktop.org>,
Krunal Bhargav <k-bhargav@ti.com>,
Darren Etheridge <detheridge@ti.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Devarsh Thakkar <devarsht@ti.com>, Jyri Sarha <jyri.sarha@iki.fi>,
Rahul T R <r-ravikumar@ti.com>,
Vignesh Raghavendra <vigneshr@ti.com>
Subject: Re: [PATCH 2/8] dt-bindings: display: ti,am65x-dss: Add IO CTRL property for AM625 OLDI
Date: Mon, 25 Jul 2022 17:04:47 +0530 [thread overview]
Message-ID: <37d22b9a-ac6e-9f7c-90d7-7ad5dcf47dbc@ti.com> (raw)
In-Reply-To: <20220720233235.GA4180021-robh@kernel.org>
On 21-Jul-22 05:02, Rob Herring wrote:
> On Tue, Jul 19, 2022 at 01:38:39PM +0530, Aradhya Bhatia wrote:
>> Add am625-io-ctrl dt property to provide access to the control MMR
>> registers for the OLDI TXes.
>>
>> These registers are used to control the power input to the OLDI TXes as
>> well as to configure them in the Loopback test mode.
>>
>> The MMR IO controller device has been updated since the AM65x SoC and
>> hence a newer property is needed to describe the one in AM625 SoC.
>>
>> Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
>> ---
>> .../bindings/display/ti/ti,am65x-dss.yaml | 21 +++++++++++++++++++
>> 1 file changed, 21 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
>> index 11d9b3821409..672765ad1f30 100644
>> --- a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
>> +++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
>> @@ -118,12 +118,33 @@ properties:
>> and OLDI_CLK_IO_CTRL registers. This property is needed for OLDI
>> interface to work.
>>
>> + ti,am625-oldi-io-ctrl:
>> + $ref: "/schemas/types.yaml#/definitions/phandle"
>> + description:
>> + phandle to syscon device node mapping OLDI IO_CTRL registers, for
>> + AM625 SoC. The mapped range should point to OLDI0_DAT0_IO_CTRL,
>> + and map the registers up till OLDI_LB_CTRL. This property allows
>> + the driver to control the power delivery to the OLDI TXes and
>> + their loopback control as well.
>
> What's wrong with the existing ti,am65x-oldi-io-ctrl other than the less
> than ideal naming? And you just continued with the same issue so the
> next part will need yet another property. Sorry, no. Just use the
> existing property.
>
I introduced the new property because the peripheral was a newer and
different implementation from the previous one.
However, the same property can be re-used. I will do so in the re-spin.
>> +
>> max-memory-bandwidth:
>> $ref: /schemas/types.yaml#/definitions/uint32
>> description:
>> Input memory (from main memory to dispc) bandwidth limit in
>> bytes per second
>>
>> +if:
>> + properties:
>> + compatible:
>> + contains:
>> + const: ti,am65x-dss
>> +then:
>> + properties:
>> + ti,am625-oldi-io-ctrl: false
>> +else:
>> + properties:
>> + ti,am65x-oldi-io-ctrl: false
>> +
>> required:
>> - compatible
>> - reg
>> --
>> 2.37.0
>>
>>
Regards
Aradhya
next prev parent reply other threads:[~2022-07-25 11:35 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-19 8:08 sFrom b69208b75f7ae8e223c81783afb04fecd2f5faf8 Mon Sep 17 00:00:00 2001 Aradhya Bhatia
2022-07-19 8:08 ` [PATCH 1/8] dt-bindings: display: ti, am65x-dss: Add port properties for DSS Aradhya Bhatia
2022-07-20 23:28 ` [PATCH 1/8] dt-bindings: display: ti,am65x-dss: " Rob Herring
2022-07-22 16:16 ` Nishanth Menon
2022-07-28 6:28 ` Tomi Valkeinen
2022-07-25 11:26 ` Aradhya Bhatia
2022-07-25 22:14 ` Francesco Dolcini
2022-08-10 17:48 ` Rob Herring
2022-07-28 11:16 ` Tomi Valkeinen
2022-07-19 8:08 ` [PATCH 2/8] dt-bindings: display: ti, am65x-dss: Add IO CTRL property for AM625 OLDI Aradhya Bhatia
2022-07-20 23:32 ` [PATCH 2/8] dt-bindings: display: ti,am65x-dss: " Rob Herring
2022-07-25 11:34 ` Aradhya Bhatia [this message]
2022-07-19 8:08 ` [PATCH 3/8] drm/tidss: Add support for DSS port properties Aradhya Bhatia
2022-07-28 12:07 ` Tomi Valkeinen
2022-07-19 8:08 ` [PATCH 4/8] drm/tidss: Add support for Dual Link LVDS Bus Format Aradhya Bhatia
2022-07-28 11:03 ` Tomi Valkeinen
2022-07-28 11:45 ` Tomi Valkeinen
2022-08-09 5:58 ` Aradhya Bhatia
2022-08-09 6:28 ` Tomi Valkeinen
2022-08-09 9:06 ` Aradhya Bhatia
2022-08-09 9:51 ` Tomi Valkeinen
2022-08-09 13:34 ` Aradhya Bhatia
2022-07-19 8:08 ` [PATCH 5/8] drm/tidss: dt property to force 16bit VP output to a 24bit bridge Aradhya Bhatia
2022-07-19 8:08 ` [PATCH 6/8] drm/tidss: Add IO CTRL and Power support for OLDI TX in AM625 Aradhya Bhatia
2022-07-19 8:08 ` [PATCH 7/8] drm/tidss: Fix clock request value for OLDI videoports Aradhya Bhatia
2022-07-28 10:05 ` Tomi Valkeinen
2022-07-29 3:56 ` Aradhya Bhatia
2022-07-29 8:13 ` Tomi Valkeinen
2022-07-19 8:08 ` [PATCH 8/8] drm/tidss: Enable Dual and Duplicate Modes for OLDI Aradhya Bhatia
2022-07-27 13:22 ` Tomi Valkeinen
2022-07-28 6:46 ` Tomi Valkeinen
2022-07-28 8:49 ` Aradhya Bhatia
2022-07-28 11:29 ` Tomi Valkeinen
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=37d22b9a-ac6e-9f7c-90d7-7ad5dcf47dbc@ti.com \
--to=a-bhatia1@ti.com \
--cc=airlied@linux.ie \
--cc=detheridge@ti.com \
--cc=devarsht@ti.com \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=jyri.sarha@iki.fi \
--cc=k-bhargav@ti.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nm@ti.com \
--cc=r-ravikumar@ti.com \
--cc=robh@kernel.org \
--cc=tomba@kernel.org \
--cc=vigneshr@ti.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).