linux-kernel - [PATCH v5 2/2] usb typec: mt6360: Add MT6360 Type-C DT binding documentation

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Message-Id: <1598928042-22115-2-git-send-email-u0084500@gmail.com>
Date:   Tue,  1 Sep 2020 10:40:42 +0800
From:   cy_huang <u0084500@...il.com>
To:     gregkh@...uxfoundation.org, robh+dt@...nel.org,
        matthias.bgg@...il.com, linux@...ck-us.net,
        heikki.krogerus@...ux.intel.com
Cc:     cy_huang@...htek.com, gene_chen@...htek.com,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 2/2] usb typec: mt6360: Add MT6360 Type-C DT binding documentation

From: ChiYuan Huang <cy_huang@...htek.com>

Add a devicetree binding documentation for the MT6360 Type-C driver.

Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
---
 .../bindings/usb/mediatek,mt6360-tcpc.yaml         | 95 ++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml b/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
new file mode 100644
index 00000000..1e8e1c2
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/mediatek,mt6360-tcpc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Mediatek MT6360 Type-C Port Switch and Power Delivery controller DT bindings
+
+maintainers:
+  - ChiYuan Huang <cy_huang@...htek.com>
+
+description: |
+  Mediatek MT6360 is a multi-functional device. It integrates charger, ADC, flash, RGB indicators,
+  regulators (BUCKs/LDOs), and TypeC Port Switch with Power Delivery controller.
+  This document only describes MT6360 Type-C Port Switch and Power Delivery controller.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt6360-tcpc
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    items:
+      - const: PD_IRQB
+
+  connector:
+    type: object
+    $ref: ../connector/usb-connector.yaml#
+    description:
+      Properties for usb c connector.
+
+additionalProperties: false
+
+required:
+  - compatible
+  - interrupts
+  - interrupt-names
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/usb/pd.h>
+    i2c0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      mt6360@34 {
+        compatible = "mediatek,mt6360";
+        reg = <0x34>;
+        tcpc {
+          compatible = "mediatek,mt6360-tcpc";
+          interrupts-extended = <&gpio26 3 IRQ_TYPE_LEVEL_LOW>;
+          interrupt-names = "PD_IRQB";
+
+          connector {
+            compatible = "usb-c-connector";
+            label = "USB-C";
+            data-role = "dual";
+            power-role = "dual";
+            try-power-role = "sink";
+            source-pdos = <PDO_FIXED(5000, 1000, PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP)>;
+            sink-pdos = <PDO_FIXED(5000, 2000, PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP)>;
+            op-sink-microwatt = <10000000>;
+
+            ports {
+              #address-cells = <1>;
+              #size-cells = <0>;
+
+              port@0 {
+                reg = <0>;
+                endpoint {
+                  remote-endpoint = <&usb_hs>;
+                };
+              };
+              port@1 {
+                reg = <1>;
+                endpoint {
+                  remote-endpoint = <&usb_ss>;
+                };
+              };
+              port@2 {
+                reg = <2>;
+                endpoint {
+                  remote-endpoint = <&dp_aux>;
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+...
-- 
2.7.4