SPI nodes need valid #address-cells/#size-cells properties. Fixes: Warning (reg_format): "reg" property in /soc/spi@bf000000/m25p80@0 has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1) Warning (avoid_default_addr_size): Relying on default #address-cells value for /soc/spi@bf000000/m25p80@0 Warning (avoid_default_addr_size): Relying on default #size-cells value for /soc/spi@bf000000/m25p80@0 Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>