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70 lines
1.3 KiB
Plaintext
70 lines
1.3 KiB
Plaintext
/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&gpio>;
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__overlay__ {
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spi2_pins: spi2_pins {
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brcm,pins = <40 41 42>;
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brcm,function = <3>; /* alt4 */
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};
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spi2_cs_pins: spi2_cs_pins {
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brcm,pins = <43 44>;
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brcm,function = <1>; /* output */
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};
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};
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};
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fragment@1 {
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target = <&spi2>;
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frag1: __overlay__ {
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/* needed to avoid dtc warning */
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&spi2_pins &spi2_cs_pins>;
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cs-gpios = <&gpio 43 1>, <&gpio 44 1>;
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status = "okay";
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spidev2_0: spidev@0 {
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compatible = "spidev";
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reg = <0>; /* CE0 */
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#address-cells = <1>;
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#size-cells = <0>;
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spi-max-frequency = <125000000>;
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status = "okay";
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};
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spidev2_1: spidev@1 {
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compatible = "spidev";
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reg = <1>; /* CE1 */
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#address-cells = <1>;
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#size-cells = <0>;
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spi-max-frequency = <125000000>;
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status = "okay";
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};
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};
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};
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fragment@2 {
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target = <&aux>;
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__overlay__ {
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status = "okay";
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};
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};
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__overrides__ {
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cs0_pin = <&spi2_cs_pins>,"brcm,pins:0",
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<&frag1>,"cs-gpios:4";
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cs1_pin = <&spi2_cs_pins>,"brcm,pins:4",
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<&frag1>,"cs-gpios:16";
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cs0_spidev = <&spidev2_0>,"status";
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cs1_spidev = <&spidev2_1>,"status";
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};
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};
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