linux-kernel - [PATCH v2 1/3] dt-bindings: platform: Add bindings for Qcom's EC on IT8987

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-next>] [day] [month] [year] [list]

Message-ID: <20241219200821.8328-1-maccraft123mc@gmail.com>
Date: Thu, 19 Dec 2024 21:08:18 +0100
From: Maya Matuszczyk <maccraft123mc@...il.com>
To: Maya Matuszczyk <maccraft123mc@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] dt-bindings: platform: Add bindings for Qcom's EC on IT8987

This patch adds bindings for the EC firmware running on IT8987 present
on most of X1E80100 devices

Signed-off-by: Maya Matuszczyk <maccraft123mc@...il.com>
---
 .../bindings/platform/qcom,x1e-it8987-ec.yaml | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml

diff --git a/Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml b/Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml
new file mode 100644
index 000000000000..4a4f6eb63072
--- /dev/null
+++ b/Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/platform/qcom,x1e-it8987-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Embedded Controller on IT8987 chip.
+
+maintainers:
+  - Maya Matuszczyk <maccraft123mc@...il.com>
+
+description:
+  Most x1e80100 laptops have an EC running on IT8987 MCU chip. The EC controls
+  minor functions, like fans, power LED, and on some laptops it also handles
+  keyboard hotkeys.
+
+properties:
+  compatible:
+    oneOf:
+      - const: qcom,x1e-it8987-ec
+      - items:
+        - const: lenovo,yoga-slim7x-ec
+        - const: qcom,x1e-it8987-ec
+
+  reg:
+    const: 0x76
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        embedded-controller@76 {
+            compatible = "lenovo,yoga-slim7x-ec", "qcom,x1e-it8987-ec";
+            reg = <0x76>;
+
+            interrupts-extended = <&tlmm 66 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };
+...
-- 
2.45.2