Device Tree frowand

Updates on tools shown in the talk
 dtdiff          - in linux source tree as scripts/dtc/dtx_diff,  merged 4.6-rc1

dtc --annotate  - remains a proof of concept

dt_node_info    - remains a proof of concept dt_stat

dt_to_config    - vastly improved, nearly ready to submit 

Another option for uploading FDT and EDT from a target over a serial console is serio.

Embedded Linux Conference Europe (ELCE) - October 6, 2015

 * [[Media:Dt_debugging_elce_2015_151006_0421.pdf | PDF slides, as presented ]]
 * [[Media:Dt_debugging_elce_2015.pdf | PDF slides, pre-conference version ]]
 * 29: diff shown was reverse of the command
 * 83: duplicate of 82
 * [[Media:Dtdiff_lcna_2015_150811_1802.patch | make dtdiff work for .dts files in the Linux kernel source tree and in single file mode]]
 * [[Media:Dt_stat_150811_1802.patch | create dt_stat and dt_node_info scripts]]
 * [[Media:Dt_property_access_150918_2310.patch | Script and program to convert console debug messages to report of which properties in a device tree file were accessed (or access was attempted) on the target system.]]
 * Version 150811_1802 had a fatal bug. Fixed in version 150918_2310.
 * [[Media:Print_property_access_150811_1802.patch | Kernel changes to add debug messages needed by the dt_prop script.]]
 * [[Media:Get_fdt_and_edt_over_serial_console.txt | notes on how to upload FDT and EDT from a target over a serial console (150531_0029)]]

Linuxcon North America / Linux Plumbers Conference refereed track - August 19, 2015

 * [[Media:Dt_debugging_lcna_2015.pdf | PDF slides ]]
 * [[Media:Dtdiff_lcna_2015_150811_1802.patch | make dtdiff work for .dts files in the Linux kernel source tree and in single file mode]]
 * [[Media:Dt_stat_150811_1802.patch | create dt_stat and dt_node_info scripts]]
 * [[Media:Dt_property_access_150918_2310.patch | Script and program to convert console debug messages to report of which properties in a device tree file were accessed (or access was attempted) on the target system.]]
 * Version 150811_1802 had a fatal bug. Fixed in version 150918_2310.
 * [[Media:Print_property_access_150811_1802.patch | Kernel changes to add debug messages needed by the dt_prop script.]]
 * [[Media:Get_fdt_and_edt_over_serial_console.txt | notes on how to upload FDT and EDT from a target over a serial console (150531_0029)]]

LinuxCon Japan - June 4, 2015

 * [[Media:Dt_debugging_lcj_2015.pdf | PDF slides ]]
 * [[Media:Dtdiff_add_cpp.patch | patch to make dtdiff work for .dts files in the Linux kernel source tree and in single file mode (v 150531_0043)]]
 * [[Media:Dt_stat.patch | patch to create dt_stat and dt_node_info scripts ( v 150527_1902 v 150707_1852)]]
 * [[Media:Get_fdt_and_edt_over_serial_console.txt | notes on how to upload FDT and EDT from a target over a serial console (150531_0029)]]

image test


This is a photograph from one of my desert trips. If you have arrived early to one of my conference talks, you have probably seen photos from my desert trips.

This spot of color is low in the hills of Death Valley.

temporary parking spot
Links to pages that are under construction, so that the pages will not get deleted.

Device Tree Reference