The most up to date documentation is the following https://github.com/allwinner-zh
documents <https://github.com/allwinner-zh/documents>/A20 <https://github.com/allwinner-zh/documents/tree/master/A20>/ *A20_User_Manual_v1.4_20150510.pdf* Page 289 has no mention of the fact that to actually have clk_out_a you need to set the port to pullup mode Also, (unrelated but puzzling question) from pinctrl-sun71-a20.c SUNXI_FUNCTION(0x4, "clk_out_a"), /* CLK_OUT_A */ SUNXI_FUNCTION_IRQ(0x5, 24)), /* EINT24 */ Should MUX code for SUNXI_FUNCTION_IRQ be 0x6 as from manual page ? > What documentation are you referring to? > > ChenYu > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
