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doc: Fix whitespace in devicetree example in overlay-fdt-boot.rst

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Fix the whitespace and add a missing quotation mark
(default = "foo-reva.dtb") in overlay-fdt-boot.rst.

Signed-off-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
This commit is contained in:
Wolfgang Wallner
2025-10-26 09:03:35 -06:00
committed by Tom Rini
parent 296f9eac9f
commit 72ec263403
1 changed files with 70 additions and 70 deletions
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doc/usage/fit/overlay-fdt-boot.rst
+70 -70
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@@ -24,77 +24,77 @@ add-on board, while only the revb board can use a baz add-on board.
Without using overlays the configuration would be as follows for every case::
/dts-v1/;
/ {
images {
kernel {
data = /incbin/("./zImage");
type = "kernel";
arch = "arm";
os = "linux";
load = <0x82000000>;
entry = <0x82000000>;
};
fdt-1 {
data = /incbin/("./foo-reva.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-2 {
data = /incbin/("./foo-revb.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-3 {
data = /incbin/("./foo-reva-bar.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-4 {
data = /incbin/("./foo-revb-bar.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-5 {
data = /incbin/("./foo-revb-baz.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-6 {
data = /incbin/("./foo-revb-bar-baz.dtb");
type = "flat_dt";
arch = "arm";
};
};
/dts-v1/;
/ {
images {
kernel {
data = /incbin/("./zImage");
type = "kernel";
arch = "arm";
os = "linux";
load = <0x82000000>;
entry = <0x82000000>;
};
fdt-1 {
data = /incbin/("./foo-reva.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-2 {
data = /incbin/("./foo-revb.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-3 {
data = /incbin/("./foo-reva-bar.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-4 {
data = /incbin/("./foo-revb-bar.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-5 {
data = /incbin/("./foo-revb-baz.dtb");
type = "flat_dt";
arch = "arm";
};
fdt-6 {
data = /incbin/("./foo-revb-bar-baz.dtb");
type = "flat_dt";
arch = "arm";
};
};
configurations {
default = "foo-reva.dtb;
foo-reva.dtb {
kernel = "kernel";
fdt = "fdt-1";
};
foo-revb.dtb {
kernel = "kernel";
fdt = "fdt-2";
};
foo-reva-bar.dtb {
kernel = "kernel";
fdt = "fdt-3";
};
foo-revb-bar.dtb {
kernel = "kernel";
fdt = "fdt-4";
};
foo-revb-baz.dtb {
kernel = "kernel";
fdt = "fdt-5";
};
foo-revb-bar-baz.dtb {
kernel = "kernel";
fdt = "fdt-6";
};
};
};
configurations {
default = "foo-reva.dtb";
foo-reva.dtb {
kernel = "kernel";
fdt = "fdt-1";
};
foo-revb.dtb {
kernel = "kernel";
fdt = "fdt-2";
};
foo-reva-bar.dtb {
kernel = "kernel";
fdt = "fdt-3";
};
foo-revb-bar.dtb {
kernel = "kernel";
fdt = "fdt-4";
};
foo-revb-baz.dtb {
kernel = "kernel";
fdt = "fdt-5";
};
foo-revb-bar-baz.dtb {
kernel = "kernel";
fdt = "fdt-6";
};
};
};
Note the blob needs to be compiled for each case and the combinatorial explosion of
configurations. A typical device tree blob is in the low hundreds of kbytes so a