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]>
---
Changes in v2:
- reordered property list
- change clock name to "clock-sc16is7xx"
.../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..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 @@ simple-audio-card,codec {
};
};
+&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";
};
--
2.25.1