Hi all,
I use TX1 R28.2,in dts file I config spi@7000d400 as master mode the code as below
spi@7000d400 { //spi1
status = “okay”;
spi@0 {
#address-cells = <0x1>;
#size-cells = <0x0>;
compatible = “spidev”;
reg = <0x0>;
spi-max-frequency = <20000000>;
nvidia,enable-hw-based-cs;
nvidia,cs-setup-clk-count = <0x1e>;
nvidia,cs-hold-clk-count = <0x1e>;
nvidia,rx-clk-tap-delay = <0x1f>;
nvidia,tx-clk-tap-delay = <0x0>;
};
spi@1 {
#address-cells = <0x1>;
#size-cells = <0x0>;
compatible = "spidev";
reg = <0x1>;
spi-max-frequency = <20000000>;
nvidia,enable-hw-based-cs;
nvidia,cs-setup-clk-count = <0x1e>;
nvidia,cs-hold-clk-count = <0x1e>;
nvidia,rx-clk-tap-delay = <0x1f>;
nvidia,tx-clk-tap-delay = <0x0>;
};
};
build and burn dtb to TX1,reboot spi0 work failed,the log as below:
dmesg | grep spi
[ 2.815715] spi-tegra114 7000d400.spi: Static pin configuration used
[ 2.817066] spi-tegra114 7000da00.spi: Static pin configuration used
How can I config spi1? Thanks.