71 lines
1.4 KiB
Plaintext
71 lines
1.4 KiB
Plaintext
# 1 "/home/rdkartono/raspberry-vanilla/kernelsu-5.15-07062024/common/arch/arm64/boot/dts/overlays/sc16is752-spi1-overlay.dts"
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# 1 "<built-in>" 1
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# 1 "/home/rdkartono/raspberry-vanilla/kernelsu-5.15-07062024/common/arch/arm64/boot/dts/overlays/sc16is752-spi1-overlay.dts" 2
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/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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spi1_pins: spi1_pins {
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brcm,pins = <19 20 21>;
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brcm,function = <3>;
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};
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spi1_cs_pins: spi1_cs_pins {
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brcm,pins = <18>;
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brcm,function = <1>;
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};
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};
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};
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fragment@1 {
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target = <&spi1>;
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__overlay__ {
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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 = <&spi1_pins &spi1_cs_pins>;
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cs-gpios = <&gpio 18 1>;
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status = "okay";
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sc16is752: sc16is752@0 {
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compatible = "nxp,sc16is752";
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reg = <0>;
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clocks = <&sc16is752_clk>;
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interrupt-parent = <&gpio>;
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interrupts = <24 2>;
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gpio-controller;
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#gpio-cells = <2>;
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spi-max-frequency = <4000000>;
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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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fragment@3 {
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target-path = "/";
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__overlay__ {
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sc16is752_clk: sc16is752_spi1_0_clk {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <14745600>;
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};
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};
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};
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__overrides__ {
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int_pin = <&sc16is752>,"interrupts:0";
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xtal = <&sc16is752_clk>,"clock-frequency:0";
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};
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};
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