Hi Akash, In a dtsi file nodes are sort in reg order. In a dts file nodes are sort in alphabetical order. Place &sdmmc and &spi2 below &sdio. &sdio { }; &sdmmc { }; &spi2 { }; _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip