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Altera_Forum
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11 years ago

Routing HPS I2C thru FPGA Not Working

Hi I followed Altera's guide AN706 (link below) to route HPS' I2C0 port through the FPGA on the Cyclone V Arrow SoCKit. I included the ALT_IOBUFF buffer as instructed by AN706 guide. But it's n...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago


i2c@0xffc04000 {
            compatible = "snps,designware-i2c-15.0", "snps,designware-i2c";
            reg = <0xffc04000 0x100>;
            interrupt-parent = <0x3>;
            interrupts = <0x0 0x9e 0x4>;
            clocks = <0x1e>;
            emptyfifo_hold_master = <0x1>;
            status = "okay";
            speed-mode = <0x00>; 
            i2c-sda-falling-time-ns = <0x1388>;
            i2c-scl-falling-time-ns = <0x1388>;
        };