From: Rob Herring <robh@kernel.org>
To: Elliot Berman <quic_eberman@quicinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>,
Melody Olvera <quic_molvera@quicinc.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Florian Fainelli <florian.fainelli@broadcom.com>
Subject: Re: [PATCH RFC 1/2] dt-bindings: arm: Document reboot mode magic
Date: Tue, 31 Oct 2023 12:48:55 -0500 [thread overview]
Message-ID: <20231031174855.GA1797181-robh@kernel.org> (raw)
In-Reply-To: <20231030-arm-psci-system_reset2-vendor-reboots-v1-1-dcdd63352ad1@quicinc.com>
On Mon, Oct 30, 2023 at 02:31:33PM -0700, Elliot Berman wrote:
> Add bindings to describe vendor-specific reboot modes. Values here
> correspond to valid parameters to vendor-specific reset types in PSCI
> SYSTEM_RESET2 call.
>
> Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
> ---
> Documentation/devicetree/bindings/arm/psci.yaml | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml
> index 0c5381e081bd..dc23e901bd0a 100644
> --- a/Documentation/devicetree/bindings/arm/psci.yaml
> +++ b/Documentation/devicetree/bindings/arm/psci.yaml
> @@ -122,6 +122,19 @@ patternProperties:
> [3] Documentation/devicetree/bindings/power/power-domain.yaml
> [4] Documentation/devicetree/bindings/power/domain-idle-state.yaml
>
> + "^reboot-mode-.*$":
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + minItems: 1
> + maxItems: 2
> + description: |
> + Describes a vendor-specific reset type. The string after "reboot-mode-"
> + maps a reboot mode to the parameters in the PSCI SYSTEM_RESET2 call.
> +
> + Parameters are named reboot-mode-xxx = <type[, cookie]>, where xxx
> + is the name of the magic reboot mode, type is the lower 31 bits
> + of the reset_type, and, optionally, the cookie value. If the cookie
> + is not provided, it is defaulted to zero.
Please use and possibly extend the existing reboot-mode binding.
> +
> required:
> - compatible
> - method
>
> --
> 2.41.0
>
next prev parent reply other threads:[~2023-10-31 17:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-30 21:31 [PATCH RFC 0/2] Implement vendor resets for PSCI SYSTEM_RESET2 Elliot Berman
2023-10-30 21:31 ` [PATCH RFC 1/2] dt-bindings: arm: Document reboot mode magic Elliot Berman
2023-10-31 17:48 ` Rob Herring [this message]
2023-10-31 21:25 ` Elliot Berman
2023-10-30 21:31 ` [PATCH RFC 2/2] firmware: psci: Read and use vendor reset types Elliot Berman
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=20231031174855.GA1797181-robh@kernel.org \
--to=robh@kernel.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=florian.fainelli@broadcom.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=mark.rutland@arm.com \
--cc=quic_eberman@quicinc.com \
--cc=quic_molvera@quicinc.com \
--cc=quic_satyap@quicinc.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