mirror of https://github.com/hak5/openwrt.git
ath79: GL-AR750S: Add I2C Support
The GL-AR750S has an internal header for I2C. Provide DTS definitions for the i2c-gpio driver. The I2C drivers; kmod-i2c-core, kmod-i2c-gpio consume ~20 kB of flash and can be loaded as modules, Default clock measured ~11.2 ms period, ~89 kHz The board has well-labeled (unpopulated) headers for serial and I2C along the front edge of the board (the edge with the LEDs). Looking from the top, rear of the unit (behind Ethernet jacks) ------------------------------------------- 5G_LED 2G_LED PWR_LED O O O O O O O 3 S S G T R G V C D N X X N 3 L A D D Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>master
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@ -63,6 +63,13 @@
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i2c: i2c {
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compatible = "i2c-gpio";
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sda-gpios = <&gpio 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
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scl-gpios = <&gpio 21 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
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};
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usb_vbus: regulator-usb-vbus {
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usb_vbus: regulator-usb-vbus {
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compatible = "regulator-fixed";
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compatible = "regulator-fixed";
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