diff options
| author | Lars Povlsen <lars.povlsen@microchip.com> | 2020-08-24 22:30:10 +0200 |
|---|---|---|
| committer | Lars Povlsen <lars.povlsen@microchip.com> | 2020-09-16 11:39:51 +0200 |
| commit | 5df50128050d01d300f28d9bca4dd89d6d24de3d (patch) | |
| tree | 105b4aa8847c9208795c574af14807b94fbc2cce /arch/arm64/boot/dts/microchip/sparx5_nand.dtsi | |
| parent | ba4d1c074fd7e5f5d1a5b025b510fd542fc04da5 (diff) | |
| download | linux-5df50128050d01d300f28d9bca4dd89d6d24de3d.tar.bz2 | |
arm64: dts: sparx5: Add spi-nand devices
This patch add spi-nand DT nodes to the applicable Sparx5 boards.
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200824203010.2033-7-lars.povlsen@microchip.com
Diffstat (limited to 'arch/arm64/boot/dts/microchip/sparx5_nand.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/microchip/sparx5_nand.dtsi | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/microchip/sparx5_nand.dtsi b/arch/arm64/boot/dts/microchip/sparx5_nand.dtsi new file mode 100644 index 000000000000..03f107e427d7 --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_nand.dtsi @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +&gpio { + cs14_pins: cs14-pins { + pins = "GPIO_44"; + function = "si"; + }; +}; + +&spi0 { + pinctrl-0 = <&si2_pins>; + pinctrl-names = "default"; + spi@e { + compatible = "spi-mux"; + mux-controls = <&mux>; + #address-cells = <1>; + #size-cells = <0>; + reg = <14>; /* CS14 */ + spi-flash@6 { + compatible = "spi-nand"; + pinctrl-0 = <&cs14_pins>; + pinctrl-names = "default"; + reg = <0x6>; /* SPI2 */ + spi-max-frequency = <42000000>; + rx-sample-delay-ns = <7>; /* Tune for speed */ + }; + }; +}; |