> The PCIe reset signal is connected to GPIO4_C6 on the Puma > module. This pin is supplied by 1.8V, but the default iodomain > setting is 3.0V and in this situation the pin is unable to go > high. > > Linux assumes that this signal works in early boot > as PCIe is probed before loading the iodomain driver. > > Make PCIe work in Linux by setting the gpio4cd iodomain to 1.8V. > > Signed-off-by: Jakob Unterwurzacher > <jakob.unterwurzac...@theobroma-systems.com> > Acked-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com> > Reviewed-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com> > --- > > board/theobroma-systems/puma_rk3399/puma-rk3399.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) >
Applied to u-boot-rockchip, thanks! _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
