diff options
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 3 | ||||
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx7ulp-evk-spi-slave.dts | 16 |
3 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt index 225ace1d0c65..9e44d85e0a68 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt @@ -7,6 +7,8 @@ Required properties: - interrupt-parent : core interrupt controller - interrupts : lpspi interrupt - clocks : lpspi clock specifier +- spi-slave : spi slave mode support. In slave mode, add this attribute without + value. In master mode, remove it. Examples: @@ -16,4 +18,5 @@ lpspi2: lpspi@40290000 { interrupt-parent = <&intc>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX7ULP_CLK_LPSPI2>; + spi-slave; }; diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 42deeb90d279..1847e8318b81 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -639,6 +639,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \ dtb-$(CONFIG_SOC_IMX7ULP) += \ imx7ulp-14x14-arm2.dtb \ imx7ulp-evk.dtb \ + imx7ulp-evk-spi-slave.dtb \ imx7ulp-evk-emmc.dtb \ imx7ulp-evk-emmc-qspi.dtb \ imx7ulp-evk-ft5416.dtb \ diff --git a/arch/arm/boot/dts/imx7ulp-evk-spi-slave.dts b/arch/arm/boot/dts/imx7ulp-evk-spi-slave.dts new file mode 100644 index 000000000000..728f91ebab5b --- /dev/null +++ b/arch/arm/boot/dts/imx7ulp-evk-spi-slave.dts @@ -0,0 +1,16 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * Copyright 2017-2018 NXP. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "imx7ulp-evk.dts" + +/delete-node/&spidev0; + +&lpspi3 { + spi-slave; +}; |