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arm64: dts: fsl-ls1012a-frdm: add spi-uart device 

This patch adds spi-uart controller  to LS1012A-FRDM board dts.
Device is equipped in SC16IS740 from NXP.

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Pawel Dembicki 2021-01-19 16:51:06 +01:00 committed by Shawn Guo
parent 1ab66ad2d7
commit 42c2c06883
1 changed files with 21 additions and 0 deletions
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21
arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
View File

@ -7,6 +7,7 @@
*/
/dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h>
#include "fsl-ls1012a.dtsi"
/ {
@ -57,6 +58,26 @@
};
};
&dspi {
bus-num = <0>;
status = "okay";
serial@0 {
compatible = "nxp,sc16is740";
reg = <0>;
spi-max-frequency = <4000000>;
clocks = <&sc16is7xx_clk>;
interrupt-parent = <&gpio1>;
interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
sc16is7xx_clk: clock-sc16is7xx {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24000000>;
};
};
};
&duart0 {
status = "okay";
};