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/u-boot/doc/usage/
A Dfdt_overlays.rst19 device-tree or device-tree overlay has defined. It requires both the base
28 Building a binary device-tree overlay follows the same process as building a
46 **overlay.dts**
56 overlay-1-property;
66 $ dtc -@ -I dts -O dtb -o overlay.dtbo overlay.dts
80 doc/uImage.FIT/overlay-fdt-boot.txt
86 overlay. Make sure you have enough space to grow the base tree without
94 2. Load the base binary device-tree and the binary device-tree overlay.
99 => load ${devtype} ${bootpart} ${fdtovaddr} ${bootdir}/overlay.dtbo
113 5. You are now ready to apply the overlay.
/u-boot/arch/arm/dts/
A Dk3-am65-iot2050-boot-image.dtsi65 bkey-usb3-overlay {
66 description = "M.2-bkey-usb3-overlay";
72 filename = "k3-am6548-iot2050-advanced-m2-bkey-usb3-overlay.dtbo";
79 bkey-ekey-pcie-overlay {
80 description = "M.2-bkey-ekey-pcie-overlay";
86 filename = "k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie-overlay.dtbo";
119 "bkey-usb3-overlay",
120 "bkey-ekey-pcie-overlay",
A Darmada-385-atl-x530DP.dtsi64 compatible = "atl,dts-overlay-gpio-psu-slot";
71 overlay = <&psu_a_overlay>;
75 compatible = "atl,dts-overlay-gpio-psu-slot";
82 overlay = <&psu_b_overlay>;
93 overlay = <&fan_a_overlay>;
A Dk3-am6548-iot2050-advanced-m2-bkey-ekey-pcie-overlay.dts3 * IOT2050 M.2 variant, overlay for B-key PCIE0_LANE0 + E-key PCIE1_LANE0
/u-boot/doc/usage/cmd/
A Dextension.rst32 overlay(s) corresponding to one, or all, extension boards
39 - extension_overlay_cmd: the U-Boot command to load one overlay.
73 overlay name
79 5. Apply the appropriate devicetree overlay
81 For apply the selected overlay:
103 snprintf(extension->overlay, sizeof(extension->overlay), "overlay.dtbo");
/u-boot/test/overlay/
A DMakefile13 obj-y += test-fdt-overlay.dtb.o
14 obj-y += test-fdt-overlay-stacked.dtb.o
A DKconfig7 This enables the 'ut overlay' command which runs a series of unit
8 tests on the fdt overlay code.
A Dtest-fdt-overlay-stacked.dts12 /* Test that we can reference an overlay symbol */
/u-boot/board/ti/am64x/
A Dam64x.env27 for overlay in $name_overlays;
29 load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
47 for overlay in $name_overlays;
49 load usb ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && fdt apply
/u-boot/include/environment/ti/
A Dti_armv7_common.env19 for overlay in $name_overlays;
21 setenv overlaystring ${overlaystring}'#'${overlay};
A Dufs.env17 for overlay in $name_overlays;
19 load scsi ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
/u-boot/board/compulab/imx8mm-cl-iot-gate/
A Dimx8mm-cl-iot-gate.c358 snprintf(extension->overlay, sizeof(extension->overlay), in extension_board_scan()
406 snprintf(extension->overlay, sizeof(extension->overlay), in extension_board_scan()
413 snprintf(extension->overlay, sizeof(extension->overlay), in extension_board_scan()
420 snprintf(extension->overlay, sizeof(extension->overlay), in extension_board_scan()
/u-boot/board/ti/am62ax/
A Dam62ax.env24 for overlay in $name_overlays;
26 load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
/u-boot/board/ti/am62x/
A Dam62x.env24 for overlay in $name_overlays;
26 load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
/u-boot/board/sunxi/
A Dchip.c92 snprintf(dip->overlay, sizeof(dip->overlay), "dip-%x-%x.dtbo", in extension_board_scan()
/u-boot/board/ti/common/
A Dcape_detect.c87 snprintf(cape->overlay, sizeof(cape->overlay), "%s-%s.dtbo", in extension_board_scan()
/u-boot/include/
A Dextension_board.h15 char overlay[32]; member
/u-boot/board/sandbox/
A Dsandbox.c141 snprintf(extension->overlay, sizeof(extension->overlay), "overlay%d.dtbo", i); in extension_board_scan()
/u-boot/board/ti/am65x/
A Dam65x.env27 for overlay in $name_overlays;
29 load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
/u-boot/scripts/dtc/libfdt/
A Dfdt_overlay.c624 int overlay; in overlay_merge() local
632 overlay = fdt_subnode_offset(fdto, fragment, "__overlay__"); in overlay_merge()
633 if (overlay == -FDT_ERR_NOTFOUND) in overlay_merge()
636 if (overlay < 0) in overlay_merge()
637 return overlay; in overlay_merge()
643 ret = overlay_apply_node(fdt, target, fdto, overlay); in overlay_merge()
/u-boot/board/ti/j721s2/
A Dj721s2.env38 for overlay in $name_overlays;
40 load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
/u-boot/doc/usage/fit/
A Dindex.rst19 overlay-fdt-boot
/u-boot/cmd/
A Dextension_board.c43 env_set("extension_overlay_name", extension->overlay); in extension_apply()
79 printf("\tDevicetree overlay: \t%s\n", extension->overlay); in do_extension_list()
/u-boot/board/ti/j721e/
A Dj721e.env44 for overlay in $name_overlays;
46 load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
/u-boot/board/siemens/iot2050/
A Dboard.c236 void *overlay; in m2_overlay_prepare() local
261 overlay = map_sysmem(loadaddr, connector_overlay_size); in m2_overlay_prepare()
267 memcpy(connector_overlay, overlay, connector_overlay_size); in m2_overlay_prepare()

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