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Tue, 29 Sep 2026 07:19:12 -0700 (PDT) Received: from plin-1878 ([136.226.240.195]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a4b7da4953sm262333a91.3.2026.09.29.07.19.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2026 07:19:12 -0700 (PDT) Date: Tue, 29 Sep 2026 22:19:06 +0800 From: Yu-Chien Peter Lin To: Krzysztof Kozlowski , anup@brainfault.org Cc: opensbi@lists.infradead.org, zong.li@sifive.com, greentime.hu@sifive.com, scott@riscstar.com, conor@kernel.org, dave.patel@riscstar.com, raymond.mao@riscstar.com, robin.randhawa@sifive.com, samuel.holland@sifive.com, pawandeep.oza@oss.qualcomm.com Subject: Re: [PATCH v2 9/9] docs: document WID DT properties Message-ID: References: <20260817090503.2104998-1-peter.lin@sifive.com> <20260817090503.2104998-10-peter.lin@sifive.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260929_151915_592641_500F5C35 X-CRM114-Status: GOOD ( 24.80 ) X-BeenThere: opensbi@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "opensbi" Errors-To: opensbi-bounces+opensbi=archiver.kernel.org@lists.infradead.org Hi Krzysztof, On Mon, Sep 28, 2026 at 01:30:28PM +0200, Krzysztof Kozlowski wrote: > On 17/08/2026 11:05, Yu-Chien Peter Lin wrote: > > Add "wid" and "widdeleg" properties to domain instance node > > documentation and example DT. Add a "Root Domain Node" section > > describing the "root" subnode under the domain configuration > > node for root domain WID configuration > > > > Signed-off-by: Yu-Chien Peter Lin > > --- > > docs/domain_support.md | 36 ++++++++++++++++++++++++++++++++++++ > > 1 file changed, 36 insertions(+) > > > > diff --git a/docs/domain_support.md b/docs/domain_support.md > > index e267a9f7..c35a1d9a 100644 > > --- a/docs/domain_support.md > > +++ b/docs/domain_support.md > > @@ -93,6 +93,8 @@ following manner: > > is the next mode for the ROOT domain > > * **system_reset_allowed** - The ROOT domain is allowed to reset the system > > * **system_suspend_allowed** - The ROOT domain is allowed to suspend the system > > +* **wid** - Configurable World ID for the ROOT domain > > +* **widdeleg** - Configurable World ID delegation bitmask for the ROOT domain > > Why are you documenting DT in some random docts? > > > > > Domain Effects > > -------------- > > @@ -126,6 +128,23 @@ The DT properties of a domain configuration DT node are as follows: > > * **compatible** (Mandatory) - The compatible string of the domain > > configuration. This DT property should have value *"opensbi,domain,config"* > > > > +### Root Domain Node > > + > > +The root domain WID configuration is described in a **root** subnode under > > +the domain configuration DT node. This subnode does not have a compatible > > +string. > > + > > +The DT properties of the root domain node are as follows: > > NAK, please read writing bindings and both documents for submitting patches. I agree that it should be validated by kernel's dt_binding_check/dtbs_check tooling. To support Worlds-based supervisor domain and the upcoming OP-TEE (and possibly StandaloneMM) trusted domain use cases, this raises an open question for Anup and the OpenSBI community: should we start upstreaming the OpenSBI domain DT bindings to linux/Documentation/devicetree/bindings? I can send an RFC if there is consensus. Thanks, Peter Lin > > > Best regards, > Krzysztof -- opensbi mailing list opensbi@lists.infradead.org http://lists.infradead.org/mailman/listinfo/opensbi