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* ath79: fix RS-485 on Teltonika RUT-955Daniel Golle2021-03-171-6/+6
| | | | | | | | | DTR GPIO isn't actually needed and triggers boot warning. TX pin was off by one (GPIO 19 instead of GPIO 18). Reported-by: @tophirsch Fixes: d1130ad265 ("ath79: add support for Teltonika RUT955") Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* ath79: enable UART in SoC DTSI filesAdrian Schmutzler2021-02-241-5/+0
| | | | | | | | | | | | | | | The uart node is enabled on all devices except one (GL-USB150 *). Thus, let's not have a few hundred nodes to enable it, but do not disable it in the first place. Where the majority of devices is using it, also move the serial0 alias to the DTSI. *) Since GL-USB150 even defines serial0 alias, the missing uart is probably just a mistake. Anyway, disable it for now so this patch stays cosmetic. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* ath79: drop num-cs for SPI controllerAdrian Schmutzler2020-12-041-1/+1
| | | | | | | | None of the spi drivers on ath79 uses the num-cs property. Cc: Chuanhong Guo <gch981213@gmail.com> Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Chuanhong Guo <gch981213@gmail.com>
* ath79: move dts-v1 statement to ath79.dtsiAdrian Schmutzler2020-09-251-3/+2
| | | | | | | | | | | | | | | | | | | The "/dts-v1/;" identifier is supposed to be present once at the top of a device tree file after the includes have been processed. In ath79, we therefore requested to have in the DTS files so far, and omit it in the DTSI files. However, essentially the syntax of the parent ath79.dtsi file already determines the DTS version, so putting it into the DTS files is just a useless repetition. Consequently, this patch puts the dts-v1 statement into the parent ath79.dtsi, which is (indirectly) included by all DTS files. All other occurences are removed. Since the dts-v1 statement needs to be before any other definitions, this also moves the includes to make sure the ath79.dtsi or its descendants are always included first. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* ath79: split Teltonika RUT955 to support other RUT9xx modelsDaniel Golle2020-04-291-0/+179
Split device-tree of Teltonika RUT955 into a generic RUT9xx part and a part specific to that version of RUT955 already supported. Also harmonize GPIO and LED names with what is used by the vendor firmware and assign RS485 DTR signal. Signed-off-by: Daniel Golle <daniel@makrotopia.org>