linux-kernel - [PATCH v1 2/4] dt-bindings: mfd: Document Infineon/Cypress CG7153AM MCU

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: <20250323071424.48779-3-clamor95@gmail.com>
Date: Sun, 23 Mar 2025 09:14:22 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Lee Jones <lee@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Sebastian Reichel <sre@...nel.org>,
	Svyatoslav Ryhel <clamor95@...il.com>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: [PATCH v1 2/4] dt-bindings: mfd: Document Infineon/Cypress CG7153AM MCU

Add binding for Cypress CG7153AM embedded controller. Pegatron implemented
a custom configuration of this MCU in their Chagall tablets, utilizing it
for battery monitoring.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 .../bindings/mfd/cypress,cg7153am.yaml        | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/cypress,cg7153am.yaml

diff --git a/Documentation/devicetree/bindings/mfd/cypress,cg7153am.yaml b/Documentation/devicetree/bindings/mfd/cypress,cg7153am.yaml
new file mode 100644
index 000000000000..f8469b5e3816
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/cypress,cg7153am.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/cypress,cg7153am.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Infineon/Cypress Semicon CG7153AM Microcontroller
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@...il.com>
+
+description:
+  The CG7153AM, an 8-bit programmable microcontroller from Infineon/Cypress
+  Semiconductor, communicates over I2C and is implemented in devices like the
+  Pegatron Chagall tablet for fuel gauge and battery control functions.
+
+$ref: /schemas/power/supply/power-supply.yaml
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - pegatron,chagall-ec # Pegatron Chagall tablet device
+          - const: cypress,cg7153am
+      - items:
+          const: cypress,cg7153am
+
+  reg:
+    maxItems: 1
+
+  monitored-battery: true
+  power-supplies: true
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        embedded-controller@10 {
+            compatible = "pegatron,chagall-ec", "cypress,cg7153am";
+            reg = <0x10>;
+
+            monitored-battery = <&battery>;
+            power-supplies = <&mains>;
+        };
+    };
+...
-- 
2.43.0