Commit Graph

4 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
a4ca024548
spi: dt-bindings: nuvoton,wpcm450-fiu: Drop unrelated nodes from DTS example
Binding example should not contain other nodes, including other
providers like syscon, because this is redundant and only adds
unnecessary bloat.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250509112130.123462-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-05-10 23:59:14 +09:00
Jonathan Neuschäfer
c771b4eabd
spi: dt-bindings: nuvoton,wpcm450-fiu: Fix warning in example (missing reg property)
Add missing "reg = <0>;" property to the flash@0 node in the example.

Fixes: dd71cd4dd6 ("spi: Add Nuvoton WPCM450 Flash Interface Unit (FIU) bindings")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221129102225.3598044-3-j.neuschaefer@gmx.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-11-29 11:32:11 +00:00
Jonathan Neuschäfer
1e2872f591
spi: dt-bindings: nuvoton,wpcm450-fiu: Fix error in example (bogus include)
The nuvoton,wpcm450-fiu binding's example includes
nuvoton,wpcm450-clk.h, which has not been merged yet,
thus causing a dt_binding_check error on -next.

Fix this error by simply hardcoding the clock index in the example,
before the breakage spreads any further.

Fixes: dd71cd4dd6 ("spi: Add Nuvoton WPCM450 Flash Interface Unit (FIU) bindings")
Reported-by: Rob Herring <robh@kernel.org>
Reported-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221129102225.3598044-2-j.neuschaefer@gmx.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-11-29 11:32:10 +00:00
Jonathan Neuschäfer
dd71cd4dd6
spi: Add Nuvoton WPCM450 Flash Interface Unit (FIU) bindings
The Flash Interface Unit (FIU) is the SPI flash controller in the
Nuvoton WPCM450 BMC SoC. It supports four chip selects, and direct
(memory-mapped) access to 16 MiB per chip. Larger flash chips can be
accessed by software-defined SPI transfers.

The FIU in newer NPCM7xx SoCs is not compatible with the WPCM450 FIU.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221124191400.287918-2-j.neuschaefer@gmx.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-11-25 13:30:17 +00:00