linux-kernel - [PATCH v4 1/6] dt-bindings: platform: Add Lenovo Yoga C630 EC

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Message-Id: <20240528-yoga-ec-driver-v4-1-4fa8dfaae7b6@linaro.org>
Date: Tue, 28 May 2024 23:44:46 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org, 
 linux-usb@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 Nikita Travkin <nikita@...n.ru>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 1/6] dt-bindings: platform: Add Lenovo Yoga C630 EC

From: Bjorn Andersson <andersson@...nel.org>

Add binding for the Embedded Controller found in the Qualcomm
Snapdragon-based Lenovo Yoga C630.

Signed-off-by: Bjorn Andersson <andersson@...nel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 .../bindings/platform/lenovo,yoga-c630-ec.yaml     | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/Documentation/devicetree/bindings/platform/lenovo,yoga-c630-ec.yaml b/Documentation/devicetree/bindings/platform/lenovo,yoga-c630-ec.yaml
new file mode 100644
index 000000000000..3180ce1a22d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/platform/lenovo,yoga-c630-ec.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/platform/lenovo,yoga-c630-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Lenovo Yoga C630 Embedded Controller.
+
+maintainers:
+  - Bjorn Andersson <andersson@...nel.org>
+
+description:
+  The Qualcomm Snapdragon-based Lenovo Yoga C630 has an Embedded Controller
+  (EC) which handles things such as battery and USB Type-C. This binding
+  describes the interface, on an I2C bus, to this EC.
+
+properties:
+  compatible:
+    const: lenovo,yoga-c630-ec
+
+  reg:
+    const: 0x70
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+  interrupts:
+    maxItems: 1
+
+patternProperties:
+  '^connector@[01]$':
+    $ref: /schemas/connector/usb-connector.yaml#
+
+    properties:
+      reg:
+        maxItems: 1
+
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |+
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c1 {
+        clock-frequency = <400000>;
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        embedded-controller@70 {
+            compatible = "lenovo,yoga-c630-ec";
+            reg = <0x70>;
+
+            interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            connector@0 {
+                compatible = "usb-c-connector";
+                reg = <0>;
+                power-role = "source";
+                data-role = "host";
+            };
+
+            connector@1 {
+                compatible = "usb-c-connector";
+                reg = <1>;
+                power-role = "source";
+                data-role = "host";
+            };
+        };
+    };
+...

-- 
2.39.2