/* i2s_speed with CONFIG_I2S_TEST_SEPARATE_DEVICES=y uses two I2S peripherals: * i2s-node0 is the receiver - uses SAI1 peripheral on RT1170 * i2s-node1 is the transmitter - uses SAI4 peripheral */ / { aliases { i2s-node0 = &sai1; i2s-node1 = &sai4; }; }; /* Enable SAI4, and set clocks to match SAI1 */ &sai4 { status = "okay"; clocks = < &ccm 0x2003 0x2184 0x6 >; podf = < 0x4 >; pinctrl-0 = <&pinmux_sai4>; pinctrl-names = "default"; }; /* On MIMXRT1170-EVK, there is a conflict with signal SAI4_TX_BCLK shared with * ENET_RST. For i2s_speed test, disable ENET peripheral. */ &enet { status = "disabled"; };