SPI

s4_spi: qupv3_se4_spi {
                  reg-base = <0xF1910000>;
                  clock-name = "sailss_cc_qupv3_wrap0_s4_clk";
                  clock-frequency = <100000000>;
                  interrupt = <406>;
                  pinctrl = &se4_spi_pinctrl;
                  slave = <0>;
                  no-of-channels = <2>;
                  loopback  = <0>;
                  access-mode= <1>;
                  status = <1>;
};