Hi Ondrej,
On Thu, 30 May 2019 at 16:55, Ondřej Jirman <meg...@megous.com> wrote:
>
> Hello Clément,
>
> On Tue, May 28, 2019 at 06:14:38PM +0200, Clément Péron wrote:
> > Allwinner H6 IR is similar to A31 and can use same driver.
> >
> > Add support for it.
> >
> > Signed-off-by: Clément Péron <peron.c...@gmail.com>
> > ---
> > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 19 +++++++++++++++++++
> > 1 file changed, 19 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > index 16c5c3d0fd81..649cbdfe452e 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > @@ -647,6 +647,25 @@
> > pins = "PL0", "PL1";
> > function = "s_i2c";
> > };
> > +
> > + r_ir_rx_pin: r-ir-rx-pin {
> > + pins = "PL9";
> > + function = "s_cir_rx";
> > + };
> > + };
> > +
> > + r_ir: ir@7040000 {
> > + compatible = "allwinner,sun50i-h6-ir",
> > + "allwinner,sun6i-a31-ir";
> > + reg = <0x07040000 0x400>;
> > + interrupts = <GIC_SPI 109
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&r_ccu CLK_R_APB1_IR>,
> > + <&r_ccu CLK_IR>;
> > + clock-names = "apb", "ir";
> > + resets = <&r_ccu RST_R_APB1_IR>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&r_ir_rx_pin>;
> > + status = "disabled";
> > };
>
> Please make a comment here, that this is known broken on some boards and may
> result IRQ flood if enabled. Otherwise noone will know.
I'm planning to send a v4 next week with the IRQ_NONE return as Maxime
suggested it.
https://github.com/clementperon/linux/tree/h6_ir_v4
But maybe we could also use the bit 5 of the IRQ status.
Regards, Clement
>
> thanks,
> o.
>
> > r_i2c: i2c@7081400 {
> > --
> > 2.20.1
> >
> >
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-ker...@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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