Re: [PATCH 2/2] arm64: dts: fsl-ls1012a-frdm: add spi-uart device
From: Shawn Guo <shawnguo@kernel.org>
Date: 2021-01-18 07:39:18
Also in:
linux-devicetree, lkml
On Fri, Jan 15, 2021 at 11:16:13AM +0100, Pawel Dembicki wrote:
quoted hunk ↗ jump to hunk
This patch adds spi-uart controller to LS1012A-FRDM board dts. Device is equipped in SC16IS740 from NXP. Signed-off-by: Pawel Dembicki <redacted> --- .../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";
};
--
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