1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/net/can/microchip,mcp251xfd.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: 8*4882a593Smuzhiyun Microchip MCP2517FD and MCP2518FD stand-alone CAN controller device tree 9*4882a593Smuzhiyun bindings 10*4882a593Smuzhiyun 11*4882a593Smuzhiyunmaintainers: 12*4882a593Smuzhiyun - Marc Kleine-Budde <mkl@pengutronix.de> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunproperties: 15*4882a593Smuzhiyun compatible: 16*4882a593Smuzhiyun oneOf: 17*4882a593Smuzhiyun - const: microchip,mcp2517fd 18*4882a593Smuzhiyun description: for MCP2517FD 19*4882a593Smuzhiyun - const: microchip,mcp2518fd 20*4882a593Smuzhiyun description: for MCP2518FD 21*4882a593Smuzhiyun - const: microchip,mcp251xfd 22*4882a593Smuzhiyun description: to autodetect chip variant 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun reg: 25*4882a593Smuzhiyun maxItems: 1 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun interrupts: 28*4882a593Smuzhiyun maxItems: 1 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun clocks: 31*4882a593Smuzhiyun maxItems: 1 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun vdd-supply: 34*4882a593Smuzhiyun description: Regulator that powers the CAN controller. 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun xceiver-supply: 37*4882a593Smuzhiyun description: Regulator that powers the CAN transceiver. 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun microchip,rx-int-gpios: 40*4882a593Smuzhiyun description: 41*4882a593Smuzhiyun GPIO phandle of GPIO connected to to INT1 pin of the MCP251XFD, which 42*4882a593Smuzhiyun signals a pending RX interrupt. 43*4882a593Smuzhiyun maxItems: 1 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun spi-max-frequency: 46*4882a593Smuzhiyun description: 47*4882a593Smuzhiyun Must be half or less of "clocks" frequency. 48*4882a593Smuzhiyun maximum: 20000000 49*4882a593Smuzhiyun 50*4882a593Smuzhiyunrequired: 51*4882a593Smuzhiyun - compatible 52*4882a593Smuzhiyun - reg 53*4882a593Smuzhiyun - interrupts 54*4882a593Smuzhiyun - clocks 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunadditionalProperties: false 57*4882a593Smuzhiyun 58*4882a593Smuzhiyunexamples: 59*4882a593Smuzhiyun - | 60*4882a593Smuzhiyun #include <dt-bindings/gpio/gpio.h> 61*4882a593Smuzhiyun #include <dt-bindings/interrupt-controller/irq.h> 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun spi0 { 64*4882a593Smuzhiyun #address-cells = <1>; 65*4882a593Smuzhiyun #size-cells = <0>; 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun can@0 { 68*4882a593Smuzhiyun compatible = "microchip,mcp251xfd"; 69*4882a593Smuzhiyun reg = <0>; 70*4882a593Smuzhiyun clocks = <&can0_osc>; 71*4882a593Smuzhiyun pinctrl-names = "default"; 72*4882a593Smuzhiyun pinctrl-0 = <&can0_pins>; 73*4882a593Smuzhiyun spi-max-frequency = <20000000>; 74*4882a593Smuzhiyun interrupts-extended = <&gpio 13 IRQ_TYPE_LEVEL_LOW>; 75*4882a593Smuzhiyun microchip,rx-int-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; 76*4882a593Smuzhiyun vdd-supply = <®5v0>; 77*4882a593Smuzhiyun xceiver-supply = <®5v0>; 78*4882a593Smuzhiyun }; 79*4882a593Smuzhiyun }; 80