linux-kernel - [PATCH 1/4] dt-bindings: phy: Add binding for TI TCAN104x CAN transceivers

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Date:   Fri, 9 Apr 2021 19:10:51 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     Vignesh Raghavendra <vigneshr@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Aswath Govindraju <a-govindraju@...com>,
        Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Vinod Koul <vkoul@...nel.org>,
        Sriram Dash <sriram.dash@...sung.com>,
        <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>
Subject: [PATCH 1/4] dt-bindings: phy: Add binding for TI TCAN104x CAN transceivers

Add binding documentation for TI TCAN104x CAN transceivers.

Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
 .../bindings/phy/ti,tcan104x-can.yaml         | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml

diff --git a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
new file mode 100644
index 000000000000..4abfc30a97d0
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/ti,tcan104x-can.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: TCAN104x CAN TRANSCEIVER PHY
+
+maintainers:
+  - Aswath Govindraju <a-govindraju@...com>
+
+properties:
+  $nodename:
+    pattern: "^tcan104x-phy"
+
+  compatible:
+    enum:
+      - ti,tcan1042
+      - ti,tcan1043
+
+  '#phy-cells':
+    const: 0
+
+  standby-gpios:
+    description:
+      gpio node to toggle standby signal on transceiver
+    maxItems: 1
+
+  enable-gpios:
+    description:
+      gpio node to toggle enable signal on transceiver
+    maxItems: 1
+
+  max-bitrate:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      max bit rate supported in bps
+    minimum: 1
+
+required:
+  - compatible
+  - '#phy-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    transceiver1: tcan104x-phy {
+      compatible = "ti,tcan1043";
+      #phy-cells = <0>;
+      max-bitrate = <5000000>;
+      standby-gpios = <&wakeup_gpio1 16 GPIO_ACTIVE_LOW>;
+      enable-gpios = <&main_gpio1 67 GPIO_ACTIVE_LOW>;
+    };
-- 
2.17.1