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ARM: bcm2708: overlay to set cma to 128M@128M #1431

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ARM: bcm2708: overlay to set cma to 128M@128M #1431

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1 change: 1 addition & 0 deletions arch/arm/boot/dts/overlays/Makefile
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Expand Up @@ -18,6 +18,7 @@ dtbo-$(RPI_DT_OVERLAYS) += at86rf233.dtbo
dtbo-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor.dtbo
dtbo-$(RPI_DT_OVERLAYS) += boomberry-dac.dtbo
dtbo-$(RPI_DT_OVERLAYS) += boomberry-digi.dtbo
dtbo-$(RPI_DT_OVERLAYS) += [email protected]
dtbo-$(RPI_DT_OVERLAYS) += dpi24.dtbo
dtbo-$(RPI_DT_OVERLAYS) += dwc2.dtbo
dtbo-$(RPI_DT_OVERLAYS) += dwc-otg.dtbo
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6 changes: 6 additions & 0 deletions arch/arm/boot/dts/overlays/README
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Expand Up @@ -251,6 +251,12 @@ Load: dtoverlay=boomberry-digi
Params: <None>


Name: cma-128m@128m
Info: set cma to 128m@128m - typically used in conjunction with
vc4-kms-v3d on a machine with 512MB or less.
Load: dtoverlay=cma-128m@128m


Name: dht11
Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
Also sometimes found with the part number(s) AM230x.
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17 changes: 17 additions & 0 deletions arch/arm/boot/dts/overlays/[email protected]
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@@ -0,0 +1,17 @@
/*
* [email protected]
*/

/dts-v1/;
/plugin/;

/ {
compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
fragment@0 {
target-path = "/chosen";
__overlay__ {
bootargs = "cma=128M@128M";
};
};

};