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PIC64GX CAN is compatible with the MPFS CAN, only add a fallback
Signed-off-by: Pierre-Henry Moussay <pierre-henry.moussay@microchip.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://patch.msgid.link/20240930095449.1813195-2-pierre-henry.moussay@microchip.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The CAN controller on PolarFire SoC has an AHB peripheral clock _and_ a
CAN bus clock. The bus clock was omitted when the binding was written,
but is required for operation. Make up for lost time and add it.
Cautionary tale in adding bindings without having implemented a real
user for them perhaps.
Fixes: c878d518d7b6 ("dt-bindings: can: mpfs: document the mpfs CAN controller")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Add a binding for the CAN controller on PolarFire SoC (MPFS).
A data sheet and a register map can be downloaded at:
| https://www.microsemi.com/document-portal/doc_download/1245725-polarfire-soc-fpga-mss-technical-reference-manual
| https://www.microsemi.com/document-portal/doc_download/1244581-polarfire-soc-register-map
An alternative location for the register map is:
| http://web.archive.org/web/20220403030214/https://www.microsemi.com/document-portal/doc_download/1244581-polarfire-soc-register-map
Link: https://lore.kernel.org/all/20220607065459.2035746-2-conor.dooley@microchip.com
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
[mkl: add link to data sheet and register map]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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