linux-kernel - Re: [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic

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Message-ID: <c02f9730-3182-46b4-b584-02487aafa22b@linaro.org>
Date: Mon, 15 Apr 2024 21:34:43 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Elliot Berman <quic_eberman@...cinc.com>,
 Bjorn Andersson <andersson@...nel.org>, Sebastian Reichel <sre@...nel.org>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
 Andy Yan <andy.yan@...k-chips.com>, Lorenzo Pieralisi
 <lpieralisi@...nel.org>, Mark Rutland <mark.rutland@....com>,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Cc: Satya Durga Srinivasu Prabhala <quic_satyap@...cinc.com>,
 Melody Olvera <quic_molvera@...cinc.com>,
 Shivendra Pratap <quic_spratap@...cinc.com>, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 Florian Fainelli <florian.fainelli@...adcom.com>, linux-pm@...r.kernel.org,
 linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic



On 4/14/24 21:30, 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@...cinc.com>
> ---

[...]


> +
> +    // Case 5: SYSTEM_RESET2 vendor resets
> +    psci {
> +      compatible = "arm,psci-1.0";
> +      method = "smc";
> +
> +      mode-edl = <0>;
> +      mode-bootloader = <1 2>;

These properties seem overly generic, and with PSCI only growing every
now and then, I think a reboot-mode (or similar) subnode would be in
order here

Konrad