diff options
| author |   Pawel Dembicki <paweldembicki@gmail.com> | 2021-01-19 16:51:06 +0100 |
|---|---|---|
| committer |   Shawn Guo <shawnguo@kernel.org> | 2021-01-29 21:30:09 +0800 |
| commit | 42c2c068834eab53621a869bd85dac3a915e059c (patch) | |
| tree | d63ccccb037b5d7e088c4256c7fbe8b285152c09 | |
| parent | arm64: dts: fsl-ls1012a-rdb: add i2c devices (diff) | |
| download | wireguard-linux-42c2c068834eab53621a869bd85dac3a915e059c.tar.xz wireguard-linux-42c2c068834eab53621a869bd85dac3a915e059c.zip | |
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>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts index 67702667ed8a..2517528f684f 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 @@ }; }; +&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"; }; |