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title: V3U; upport CAN driver additions and enable for V3U
team: IO
key: 125dd332-ae9e-11eb-bba9-13d957d1734c
status: Done
assignee: Ulrich
bsp41x:
- 745cdc4ea76af480cb9c4a47f78a580e08ed03b6 # can: rcar_canfd: Add support for r8a779a0 SoC
- 236a7d2185b21c46064ccf6ece8905ddda16d5e7 # arm64: dts: r8a779a0: Add CANFD device node
- f229902ff4b71c0ca6fe53c0d58b422b99ef354d # arm64: dts: r8a779a0-falcon: Add CANFD support
bsp51x:
- fad54852ed4e0199189cb79a1c19133347b4d4b2 # arm64: dts: r8a779a0: Add CANFD device node
- 555f036fa9b0f289f44d57f4e823f835c76a10b5 # arm64: dts: r8a779a0-falcon: Add CANFD support
upstream:
- torvalds: 45721c406dcf50d4a20f95afafe8e1a2a7fa2341 # can: rcar_canfd: Add support for r8a779a0 SoC
- torvalds: d63833b8699c585d9ed32d968563b5eba69df9f6 # arm64: dts: renesas: r8a779a0: Add CANFD device node
- torvalds: d2194187aa4f9a4c2df010962e4e008efc3f930b # arm64: dts: renesas: r8a779a0-falcon: enable CANFD 0 and 1
- torvalds: d6254d52d70de5301b4fd9acaea5cf1dd8d222b4 # dt-bindings: can: renesas,rcar-canfd: Document r8a779a0 support
comments:
- we are waiting for physical HW for the developer
- there will not be extra physical HW
- 745cdc4ea76af480cb9c4a47f78a580e08ed03b6:
- register layout probably needs to be converted to regmap
- regmap conversion could be tested on Gen3 locally and on V3U by Renesas in Japan
- waiting for budget
- Ulrich was contracted
- Ulrich found out that regmap is not suitable but the macros from the BSP can be greatly simplified
- 745cdc4ea76af480cb9c4a47f78a580e08ed03b6, 236a7d2185b21c46064ccf6ece8905ddda16d5e7:
- v1; https://lore.kernel.org/r/20210924153113.10046-1-uli+renesas@fpond.eu
- Renesas Japan cannot test these changes, we have to find our own way
- discussing with Kieran and Ulrich how to accomplish this
- Kieran can connect CAN interfaces of the Falcon board now
- Uli is working on scripts to ease testing
- v2; https://lore.kernel.org/r/20220111162231.10390-1-uli+renesas@fpond.eu
- testing revealed that only channels 0+1 work, also with the BSP
- so we update the driver but don't enable the other channels upstream
- v3; https://lore.kernel.org/r/20220209163806.18618-1-uli+renesas@fpond.eu
- v4; https://lore.kernel.org/r/20220309162609.3726306-1-uli+renesas@fpond.eu
- merged
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