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

From: Aswath Govindraju
Date: Fri Apr 16 2021 - 01:27:15 EST


Add binding documentation for TI TCAN104x CAN transceivers.

Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
.../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@xxxxxx>
+
+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