On Tue, Jun 06, 2017 at 01:59:27PM +0800, Chen-Yu Tsai wrote: > The A31 and later have an R_INTC block which handles the NMI interrupt > pin on the SoC. This interrupt pin is used by the external PMIC to > signal interrupts to the SoC. > > While this hardware block is undocumented, the interrupt offsets > combined with the register regions for the existing "sun6i-a31-sc-nmi" > compatible line up with the old interrupt controller found on the A10. > Experiments show that only the first 32 interrupt lines can be enabled, > and only the first (NMI) interrupt is actually connected. > > This patch adds a new, properly named compatible for the A31 R_INTC > block, which requires the register region to be properly aligned to > the block boundary. For comparison, the old "sun6i-a31-sc-nmi" > compatible had its register region aligned with the first used > register. This didn't match up with the memory map in the SoC's > datasheet/user manual. > > Since the new compatible supercedes the old one, deprecate the old one. > > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> > --- > .../bindings/interrupt-controller/allwinner,sunxi-nmi.txt | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) Acked-by: Rob Herring <robh@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
