On Fri, Sep 06, 2019 at 08:45:46PM +0200, Corentin Labbe wrote:
> The Crypto Engine is a hardware cryptographic offloader that supports
> many algorithms.
> It could be found on most Allwinner SoCs.
>
> This patch enables the Crypto Engine on the Allwinner R40 SoC Device-tree.
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-r40.dtsi | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
> index bde068111b85..7eb649cea163 100644
> --- a/arch/arm/boot/dts/sun8i-r40.dtsi
> +++ b/arch/arm/boot/dts/sun8i-r40.dtsi
> @@ -266,6 +266,17 @@
> #phy-cells = <1>;
> };
>
> + crypto: crypto-engine@1c15000 {
> + compatible = "allwinner,sun8i-r40-crypto";
> + reg = <0x01c15000 0x1000>;
> + interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;
> + clock-names = "ahb", "mod";
> + resets = <&ccu RST_BUS_CE>;
> + reset-names = "ahb";
> + status = "okay";
The driver will probe if status is not declared, so if you want it
always enabled you should simply remove status
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
