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From: Nikita Travkin <nikita@trvn.ru>
Date: Tue, 12 Mar 2024 13:42:07 +0500
Subject: [PATCH v4 1/4] dt-bindings: platform: Add Acer Aspire 1 EC
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Message-Id: <20240312-aspire1-ec-v4-1-bd8e3eea212f@trvn.ru>
References: <20240312-aspire1-ec-v4-0-bd8e3eea212f@trvn.ru>
In-Reply-To: <20240312-aspire1-ec-v4-0-bd8e3eea212f@trvn.ru>
To: Hans de Goede <hdegoede@redhat.com>, 
 =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>, 
 Sebastian Reichel <sre@kernel.org>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, cros-qcom-dts-watchers@chromium.org, 
 Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 
 linux-arm-msm@vger.kernel.org, platform-driver-x86@vger.kernel.org, 
 Nikita Travkin <nikita@trvn.ru>

Add binding for the EC found in the Acer Aspire 1 laptop.

Signed-off-by: Nikita Travkin <nikita@trvn.ru>
---
 .../bindings/platform/acer,aspire1-ec.yaml         | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/Documentation/devicetree/bindings/platform/acer,aspire1-ec.yaml b/Documentation/devicetree/bindings/platform/acer,aspire1-ec.yaml
new file mode 100644
index 000000000000..7cb0134134ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/platform/acer,aspire1-ec.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/platform/acer,aspire1-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Acer Aspire 1 Embedded Controller
+
+maintainers:
+  - Nikita Travkin <nikita@trvn.ru>
+
+description:
+  The Acer Aspire 1 laptop uses an embedded controller to control battery
+  and charging as well as to provide a set of misc features such as the
+  laptop lid status and HPD events for the USB Type-C DP alt mode.
+
+properties:
+  compatible:
+    const: acer,aspire1-ec
+
+  reg:
+    const: 0x76
+
+  interrupts:
+    maxItems: 1
+
+  connector:
+    $ref: /schemas/connector/usb-connector.yaml#
+
+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 = "acer,aspire1-ec";
+            reg = <0x76>;
+
+            interrupts-extended = <&tlmm 30 IRQ_TYPE_LEVEL_LOW>;
+
+            connector {
+                compatible = "usb-c-connector";
+
+                port {
+                    ec_dp_in: endpoint {
+                        remote-endpoint = <&mdss_dp_out>;
+                    };
+                };
+            };
+        };
+    };

-- 
2.43.2