From: Nishanth Menon <nm@ti.com>
To: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Device Tree Mailing List <devicetree@vger.kernel.org>,
Sekhar Nori <nsekhar@ti.com>, Tero Kristo <t-kristo@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Santosh Shilimkar <ssantosh@kernel.org>,
Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 2/5] dt-bindings: ti_sci_pm_domains: Add support for exclusive access
Date: Wed, 6 Mar 2019 08:58:37 -0600 [thread overview]
Message-ID: <20190306145837.e55igfgrjdm3wq3b@kahuna> (raw)
In-Reply-To: <20190223093232.29003-3-lokeshvutla@ti.com>
On 15:02-20190223, Lokesh Vutla wrote:
> TISCI protocol supports for enabling the device with exclusive
> permissions. Certain remoteproc devices or some shared devices
> across VM doesn't wants to request devices with this flag set.
> So add support for getting this information from DT by increasing
> the power-domain cells to 2.
>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> ---
> Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
> index f7b00a7c0f68..5fdda7475023 100644
> --- a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
> +++ b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
> @@ -19,8 +19,11 @@ child of the pmmc node.
> Required Properties:
> --------------------
> - compatible: should be "ti,sci-pm-domain"
> -- #power-domain-cells: Must be 1 so that an id can be provided in each
> - device node.
> +- #power-domain-cells: Can be one of the following:
> + 1: Containing the device id of each node
> + 2: First entry should be device id
> + Second entry should be 1 or 0. Use 1 for enabling
> + the device with exclusive permissions set else 0.
Rob, any thoughts?
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2019-03-06 14:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-23 9:32 [PATCH v2 0/5] soc: ti: k3-am654: Allow for exclsive request of devices Lokesh Vutla
2019-02-23 9:32 ` [PATCH v2 1/5] firmware: ti_sci: (Dis)Allow for device exclusive permissions Lokesh Vutla
2019-02-23 9:32 ` [PATCH v2 2/5] dt-bindings: ti_sci_pm_domains: Add support for exclusive access Lokesh Vutla
2019-03-06 14:58 ` Nishanth Menon [this message]
2019-03-12 15:43 ` Rob Herring
2019-03-12 23:03 ` Nishanth Menon
2019-02-23 9:32 ` [PATCH v2 3/5] soc: ti: " Lokesh Vutla
2019-02-23 9:32 ` [PATCH v2 4/5] soc: ti: ti_sci_pm_domains: Switch to SPDX Licensing Lokesh Vutla
2019-02-23 9:32 ` [PATCH v2 5/5] arm64: dts: ti: k3-am654: Update the power domain cells Lokesh Vutla
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=20190306145837.e55igfgrjdm3wq3b@kahuna \
--to=nm@ti.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=lokeshvutla@ti.com \
--cc=nsekhar@ti.com \
--cc=robh+dt@kernel.org \
--cc=ssantosh@kernel.org \
--cc=t-kristo@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