1/* i2s_speed with CONFIG_I2S_TEST_SEPARATE_DEVICES=n uses only one I2S peripheral: 2 * i2s-node0 is both the transitter and receiver. 3 * uses SAI1 peripheral on RT1170 4 */ 5/ { 6 aliases { 7 i2s-node0 = &sai1; 8 }; 9}; 10 11/* Default DMA channel 0 and 1 maybe used by other peripherals like UART. */ 12&sai1 { 13 nxp,tx-dma-channel = <8>; 14 nxp,rx-dma-channel = <9>; 15}; 16