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Overlays: Adding generic overlay for Cytron standard HAT+ boards that also supply power to the Raspberry Pi. #6678

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waiweng83 wants to merge 4 commits into from
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Overlays: Adding generic overlay for Cytron standard HAT+ boards that also supply power to the Raspberry Pi. #6678

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89e14eb
Added the overlay for standard class HAT+ with power.
waiweng83 Feb 20, 2025
af16d6e
Update Makefile to include cytron-pwr-stdhat-overlay
waiweng83 Feb 20, 2025
1ec06a1
Update README to include cytron-pwr-stdhat-overlay
waiweng83 Feb 20, 2025
5d3f75b
Renamed the overlay.
waiweng83 Feb 21, 2025
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1 change: 1 addition & 0 deletions arch/arm/boot/dts/overlays/Makefile
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Expand Up @@ -44,6 +44,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
cma.dtbo \
crystalfontz-cfa050_pi_m.dtbo \
cutiepi-panel.dtbo \
cytron-pwr-stdhat.dtbo \
dacberry400.dtbo \
dht11.dtbo \
dionaudio-kiwi.dtbo \
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7 changes: 7 additions & 0 deletions arch/arm/boot/dts/overlays/README
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Expand Up @@ -1063,6 +1063,13 @@ Load: dtoverlay=cutiepi-panel
Params: <None>


Name: cytron-pwr-stdhat
Info: Generic Device Tree overlay for Cytron standard HAT+ boards
that also supply power to the Raspberry Pi 5.
Load: dtoverlay=cytron-pwr-stdhat
Params: <None>


Name: dacberry400
Info: Configures the dacberry400 add on soundcard
Load: dtoverlay=dacberry400
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21 changes: 21 additions & 0 deletions arch/arm/boot/dts/overlays/cytron-pwr-stdhat.dts
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@@ -0,0 +1,21 @@
/*
* Generic Device Tree overlay for Cytron standard HAT+ boards
* that also supply power to the Raspberry Pi.
*/

/dts-v1/;
/plugin/;

/ {
compatible = "brcm,bcm2712";

fragment@0 {
target-path = "/chosen";
__overlay__ {
power: power {
hat_current_supply = <5000>;
usb_max_current_enable = <1>;
};
};
};
};
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