From 0b304a2494eed170562a9fdd64e31332ad5ae73a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 13 Oct 2014 23:41:48 -0600 Subject: sandbox: dts: Add a SPI device and cros_ec device Add a SPI device which can be used for testing SPI flash features in sandbox. Also add a cros_ec device since with driver model the Chrome OS EC emulation will not otherwise be available. Reviewed-by: Jagannadha Sutradharudu Teki Signed-off-by: Simon Glass --- doc/device-tree-bindings/mtd/spi/spi-flash.txt | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 doc/device-tree-bindings/mtd/spi/spi-flash.txt (limited to 'doc/device-tree-bindings') diff --git a/doc/device-tree-bindings/mtd/spi/spi-flash.txt b/doc/device-tree-bindings/mtd/spi/spi-flash.txt new file mode 100644 index 0000000000..85522d8011 --- /dev/null +++ b/doc/device-tree-bindings/mtd/spi/spi-flash.txt @@ -0,0 +1,25 @@ +* MTD SPI driver for serial flash chips + +Required properties: +- #address-cells, #size-cells : Must be present if the device has sub-nodes + representing partitions. +- compatible : Should be the manufacturer and the name of the chip. Bear in + mind that the DT binding is not U-Boot-only, but in case of + U-Boot, see spi_flash_params_table table in + drivers/mtd/spi/sf_params.c for the list of supported chips. +- reg : Chip-Select number +- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at + +Optional properties: + - memory-map : Address and size of the flash, if memory mapped. This may + apply to Intel chipsets, which tend to memory-map flash. + +Example: + + flash: m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,m25p80"; + reg = <0>; + spi-max-frequency = <40000000>; + }; -- cgit v1.2.1