On Fri, Jan 15, 2021 at 11:16:13AM +0100, Pawel Dembicki wrote:
> This patch adds spi-uart controller to LS1012A-FRDM board dts.
> Device is equipped in SC16IS740 from NXP.
>
> Signed-off-by: Pawel Dembicki <[email protected]>
> ---
> .../boot/dts/freescale/fsl-ls1012a-frdm.dts | 21 +++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
> b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
> index 67702667ed8a..9473d16336a2 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
> @@ -7,6 +7,7 @@
> */
> /dts-v1/;
>
> +#include <dt-bindings/interrupt-controller/irq.h>
> #include "fsl-ls1012a.dtsi"
>
> / {
> @@ -57,6 +58,26 @@ simple-audio-card,codec {
> };
> };
>
> +&dspi {
> + status = "okay";
> + bus-num = <0>;
Let's end property list with `status`.
> +
> + serial@0 {
> + reg = <0>;
> + compatible = "nxp,sc16is740";
Let's start property list with `compatible`.
> + spi-max-frequency = <4000000>;
> + clocks = <&sc16is7xx_clk>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> +
> + sc16is7xx_clk: sc16is7xx_clk {
clock-sc16is7xx for node name maybe.
Shawn
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <24000000>;
> + };
> + };
> +};
> +
> &duart0 {
> status = "okay";
> };
> --
> 2.25.1
>
