linux-kernel - [PATCH 1/2] bindings: ipmi: Add alert GPIO enhancement for SSIF BMC driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241019-ssif-alert-gpios-v1-1-483eee5f99d3@gmail.com>
Date: Sat, 19 Oct 2024 23:38:04 +0800
From: Potin Lai <potin.lai.pt@...il.com>
To: Corey Minyard <minyard@....org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Quan Nguyen <quan@...amperecomputing.com>, 
 Patrick Williams <patrick@...cx.xyz>
Cc: openipmi-developer@...ts.sourceforge.net, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Cosmo Chou <cosmo.chou@...ntatw.com>, 
 Potin Lai <potin.lai@...ntatw.com>, Potin Lai <potin.lai.pt@...il.com>
Subject: [PATCH 1/2] bindings: ipmi: Add alert GPIO enhancement for SSIF
 BMC driver

Introduce the `alert-gpios` property to define an alert pin, enabling
the BMC to notify the host when a response is available.

Signed-off-by: Potin Lai <potin.lai.pt@...il.com>
---
 Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
index 02b662d780bb..104283fa851a 100644
--- a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
+++ b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
@@ -19,6 +19,12 @@ properties:
   reg:
     maxItems: 1
 
+  alert-gpios:
+    description:
+      GPIO pin designated for SSIF alert, used by the BMC to notify the
+      host when a response is available.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -34,5 +40,6 @@ examples:
         ssif-bmc@10 {
             compatible = "ssif-bmc";
             reg = <0x10>;
+            alert-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
         };
     };

-- 
2.31.1