Hi Tudor, On 22/06/2021 at 15:42, Tudor Ambarus wrote:
sama5d4_xplained has an optional on-board serial DataFlash (AT25DF321A), which does not come populated on board by default. Mark it as disabled to avoid the following probe error: spi-nor spi0.0: unrecognized JEDEC id bytes: 00 00 00 00 00 00 Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx> --- arch/arm/boot/dts/at91-sama5d4_xplained.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts index 0b3ad1b580b8..f397e2a68e5c 100644 --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts @@ -40,7 +40,7 @@ uart0: serial@f8004000 {spi0: spi@f8010000 {cs-gpios = <&pioC 3 0>, <0>, <0>, <0>; - status = "okay"; + status = "disabled"; m25p80@0 { compatible = "atmel,at25df321a"; spi-max-frequency = <50000000>;
What about keeping SPI enabled and just having the status of m25p80 as disabled: honestly, I don't know if it works and if it's desirable, but might be closer to reality.
Tell me what you think. Regards, Nicolas -- Nicolas Ferre
