linux-kernel - [PATCH 1/2] dt-bindings: power: supply: Add Lenovo Yoga C630 EC

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Message-Id: <20220810030500.2793882-2-bjorn.andersson@linaro.org>
Date:   Tue,  9 Aug 2022 22:04:59 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: power: supply: Add Lenovo Yoga C630 EC

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

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 .../power/supply/lenovo,yoga-c630-ec.yaml     | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/lenovo,yoga-c630-ec.yaml

diff --git a/Documentation/devicetree/bindings/power/supply/lenovo,yoga-c630-ec.yaml b/Documentation/devicetree/bindings/power/supply/lenovo,yoga-c630-ec.yaml
new file mode 100644
index 000000000000..2dceb57a56b1
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/lenovo,yoga-c630-ec.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/lenovo,yoga-c630-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Lenovo Yoga C630 Embedded Controller.
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@...aro.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@\d$':
+    $ref: /schemas/connector/usb-connector.yaml#
+
+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";
+
+          ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            port@1 {
+              reg = <1>;
+              lenovo_ec_dp_in: endpoint {
+                   remote-endpoint = <&mdss_dp_out>;
+              };
+            };
+          };
+        };
+      };
+    };
+...
-- 
2.37.1