forked from Qortal/Brooklyn
157 lines
3.4 KiB
Plaintext
157 lines
3.4 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/pinctrl/bcm2835.h>
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/ {
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&spidev0>;
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@1 {
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target = <&spidev1>;
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@2 {
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target-path = "spi1/spidev@0";
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@3 {
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target-path = "spi1/spidev@1";
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@4 {
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target-path = "spi1/spidev@2";
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@5 {
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target-path = "spi2/spidev@0";
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@6 {
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target-path = "spi2/spidev@1";
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@7 {
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target-path = "spi2/spidev@2";
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__dormant__ {
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status = "disabled";
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};
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};
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fragment@8 {
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target = <&gpio>;
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__overlay__ {
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mcp2515_pins: mcp2515_pins {
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brcm,pins = <25>;
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brcm,function = <BCM2835_FSEL_GPIO_IN>;
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};
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};
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};
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fragment@9 {
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target-path = "/clocks";
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__overlay__ {
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clk_mcp2515_osc: mcp2515-osc {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <16000000>;
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};
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};
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};
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mcp2515_frag: fragment@10 {
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target = <&spi0>;
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__overlay__ {
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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mcp2515: mcp2515@0 {
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compatible = "microchip,mcp2515";
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reg = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&mcp2515_pins>;
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spi-max-frequency = <10000000>;
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interrupt-parent = <&gpio>;
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interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&clk_mcp2515_osc>;
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};
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};
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};
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__overrides__ {
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spi0-0 = <0>, "+0",
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<&mcp2515_frag>, "target:0=", <&spi0>,
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<&mcp2515>, "reg:0=0",
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<&mcp2515_pins>, "name=mcp2515_spi0_0_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi0-0-osc";
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spi0-1 = <0>, "+1",
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<&mcp2515_frag>, "target:0=", <&spi0>,
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<&mcp2515>, "reg:0=1",
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<&mcp2515_pins>, "name=mcp2515_spi0_1_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi0-1-osc";
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spi1-0 = <0>, "+2",
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<&mcp2515_frag>, "target:0=", <&spi1>,
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<&mcp2515>, "reg:0=0",
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<&mcp2515_pins>, "name=mcp2515_spi1_0_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi1-0-osc";
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spi1-1 = <0>, "+3",
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<&mcp2515_frag>, "target:0=", <&spi1>,
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<&mcp2515>, "reg:0=1",
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<&mcp2515_pins>, "name=mcp2515_spi1_1_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi1-1-osc";
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spi1-2 = <0>, "+4",
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<&mcp2515_frag>, "target:0=", <&spi1>,
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<&mcp2515>, "reg:0=2",
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<&mcp2515_pins>, "name=mcp2515_spi1_2_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi1-2-osc";
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spi2-0 = <0>, "+5",
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<&mcp2515_frag>, "target:0=", <&spi2>,
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<&mcp2515>, "reg:0=0",
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<&mcp2515_pins>, "name=mcp2515_spi2_0_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi2-0-osc";
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spi2-1 = <0>, "+6",
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<&mcp2515_frag>, "target:0=", <&spi2>,
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<&mcp2515>, "reg:0=1",
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<&mcp2515_pins>, "name=mcp2515_spi2_1_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi2-1-osc";
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spi2-2 = <0>, "+7",
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<&mcp2515_frag>, "target:0=", <&spi2>,
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<&mcp2515>, "reg:0=2",
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<&mcp2515_pins>, "name=mcp2515_spi2_2_pins",
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<&clk_mcp2515_osc>, "name=mcp2515-spi2-2-osc";
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oscillator = <&clk_mcp2515_osc>, "clock-frequency:0";
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speed = <&mcp2515>, "spi-max-frequency:0";
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interrupt = <&mcp2515_pins>, "brcm,pins:0",
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<&mcp2515>, "interrupts:0";
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};
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};
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