[PATCH 9/9] ARM: dts: suniv: f1c100s: add LRADC node

[Jernej Škrabec]

Dne torek, 01. november 2022 ob 15:16:58 CET je Andre Przywara napisal(a):
> The Allwinner F1C100s series of SoCs contain a LRADC (aka. KEYADC)
> compatible to the version in other SoCs.
> The manual doesn't mention the ratio of the input voltage that is used,
> but comparing actual measurements with the values in the register
> suggests that it is 3/4 of Vref.
> 
> Add the DT node describing the base address and interrupt. As in the
> older SoCs, there is no explicit reset or clock gate, also there is a
> dedicated, non-multiplexed pin, so need for more properties.
> 
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> ---
>  arch/arm/boot/dts/suniv-f1c100s.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/suniv-f1c100s.dtsi
> b/arch/arm/boot/dts/suniv-f1c100s.dtsi index d29b48f23b89a..03592c8e63fed
> 100644
> --- a/arch/arm/boot/dts/suniv-f1c100s.dtsi
> +++ b/arch/arm/boot/dts/suniv-f1c100s.dtsi
> @@ -262,6 +262,14 @@ ir: ir at 1c22c00 {
>  			status = "disabled";
>  		};
> 
> +		lradc: lradc at 1c23400 {
> +			compatible = "allwinner,suniv-f1c100s-
lradc",
> +				     "allwinner,sun8i-a83t-r-
lradc";
> +			reg = <0x01c23400 0x100>;

User manual says 0x400 is reserved for this peripheral. With that fixed:
Reviewed-by: Jernej Skrabec <jernej.skrabec at gmail.com>

Best regards,
Jernej

> +			interrupts = <22>;
> +			status = "disabled";
> +		};
> +
>  		uart0: serial at 1c25000 {
>  			compatible = "snps,dw-apb-uart";
>  			reg = <0x01c25000 0x400>;