• Chen-Yu Tsai's avatar
    ARM: dts: sun8i: a83t: Add device node for R_INTC interrupt controller · 23ee53b1
    Chen-Yu Tsai authored
    The R_INTC interrupt controller handles the NMI interrupt pin for the
    SoC. While there is no documentation or code from the vendor for this
    device on the A83T, existing mainline kernel drivers and bindings show
    this to be similar to the old Allwinner interrupt controller found on
    the A10 SoC, but with only the NMI interrupt wired. Register poking
    experiments confirm this.
    
    The device seems to be the same across all recent Allwinner SoCs, apart
    from the A20 and A80, which have a separate set of registers to handle
    the NMI interrupt. We already have a set of bindings supporting this
    on the A31.
    
    Add a device node for it, with an SoC specific compatible.
    Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
    Acked-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
    23ee53b1
sun8i-a83t.dtsi 8.05 KB