linux-kernel - [PATCH v4 2/3] dt-bindings: phy: Add binding for TI TCAN104x CAN transceivers

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Message-ID: <20210416052647.2758-3-a-govindraju@ti.com>
Date:   Fri, 16 Apr 2021 10:56:46 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <linux-can@...r.kernel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Aswath Govindraju <a-govindraju@...com>
Subject: [PATCH v4 2/3] 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>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../bindings/phy/ti,tcan104x-can.yaml         | 56 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 57 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..6107880e5246
--- /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: "^can-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: can-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_HIGH>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 84ef96a444c3..e666d33af10d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4046,6 +4046,7 @@ W:	https://github.com/linux-can
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
 F:	Documentation/devicetree/bindings/net/can/
+F:	Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
 F:	drivers/net/can/
 F:	include/linux/can/bittiming.h
 F:	include/linux/can/dev.h
-- 
2.17.1