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05b3446743
Modify the i2c-gpio overlay to export symbol i2c-gpio for use by other overlays. Export the alias as well for good measure. Signed-off-by: Phil Elwell <phil@raspberrypi.org>
44 lines
738 B
Plaintext
44 lines
738 B
Plaintext
// Overlay for i2c_gpio bitbanging host bus.
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2708";
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fragment@0 {
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target-path = "/";
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__overlay__ {
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i2c_gpio: i2c@0 {
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compatible = "i2c-gpio";
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gpios = <&gpio 23 0 /* sda */
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&gpio 24 0 /* scl */
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>;
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i2c-gpio,delay-us = <2>; /* ~100 kHz */
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};
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};
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fragment@1 {
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target-path = "/aliases";
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__overlay__ {
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i2c_gpio = "/i2c@0";
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};
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};
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fragment@2 {
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target-path = "/__symbols__";
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__overlay__ {
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i2c_gpio = "/i2c@0";
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};
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};
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__overrides__ {
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i2c_gpio_sda = <&i2c_gpio>,"gpios:4";
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i2c_gpio_scl = <&i2c_gpio>,"gpios:16";
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i2c_gpio_delay_us = <&i2c_gpio>,"i2c-gpio,delay-us:0";
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};
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};
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