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Received: by mailuser.nyi.internal (Postfix, from userid 501) id 45659A00064; Mon, 8 Mar 2021 21:45:13 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-206-g078a48fda5-fm-20210226.001-g078a48fd Mime-Version: 1.0 Message-Id: <331c242b-cf22-4d0e-a08c-b9dbb06f2f32@www.fastmail.com> In-Reply-To: <20210305230940.GA809870@robh.at.kernel.org> References: <20210219142523.3464540-1-andrew@aj.id.au> <20210219142523.3464540-18-andrew@aj.id.au> <20210305230940.GA809870@robh.at.kernel.org> Date: Tue, 09 Mar 2021 13:14:52 +1030 From: "Andrew Jeffery" To: "Rob Herring" Subject: =?UTF-8?Q?Re:_[PATCH_17/19]_dt-bindings:_ipmi:_Add_optional_SerIRQ_prope?= =?UTF-8?Q?rty_to_ASPEED_KCS_devices?= Content-Type: text/plain X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Linus Walleij , Tomer Maimon , Corey Minyard , Avi Fishman , Patrick Venture , "Chia-Wei, Wang" , linux-kernel@vger.kernel.org, Tali Perry , linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, openipmi-developer@lists.sourceforge.net, Lee Jones , openbmc@lists.ozlabs.org, linux-aspeed@lists.ozlabs.org, Benjamin Fair Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" On Sat, 6 Mar 2021, at 09:39, Rob Herring wrote: > On Sat, Feb 20, 2021 at 12:55:21AM +1030, Andrew Jeffery wrote: > > Allocating IO and IRQ resources to LPC devices is in-theory an operation > > for the host, however ASPEED don't appear to expose this capability > > outside the BMC (e.g. SuperIO). Instead, we are left with BMC-internal > > registers for managing these resources, so introduce a devicetree > > property for KCS devices to describe SerIRQ properties. > > > > Signed-off-by: Andrew Jeffery > > --- > > .../bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml | 14 ++++++++++++++ > > 1 file changed, 14 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml > > index 1c1cc4265948..808475a2c2ca 100644 > > --- a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml > > +++ b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml > > @@ -47,6 +47,18 @@ properties: > > channels the status address is derived from the data address, but the > > status address may be optionally provided. > > > > + aspeed,lpc-interrupts: > > + $ref: "/schemas/types.yaml#/definitions/uint32-matrix" > > + minItems: 1 > > + maxItems: 1 > > + description: | > > + A 2-cell property expressing the LPC SerIRQ number and the interrupt > > + level/sense encoding (specified in the standard fashion). > > That would be uint32-array with 'maxItems: 2'. > Ah, thanks.