1 files changed, 78 insertions, 0 deletions
diff --git a/Bindings/mtd/jedec,spi-nor.txt b/Bindings/mtd/jedec,spi-nor.txt
new file mode 100644
index 000000000000..2c91c03e7eb0
--- /dev/null
+++ b/Bindings/mtd/jedec,spi-nor.txt
@@ -0,0 +1,78 @@
+* SPI NOR flash: ST M25Pxx (and similar) serial flash chips
+
+Required properties:
+- #address-cells, #size-cells : Must be present if the device has sub-nodes
+  representing partitions.
+- compatible : May include a device-specific string consisting of the
+               manufacturer and name of the chip. A list of supported chip
+               names follows.
+               Must also include "jedec,spi-nor" for any SPI NOR flash that can
+               be identified by the JEDEC READ ID opcode (0x9F).
+
+               Supported chip names:
+                 at25df321a
+                 at25df641
+                 at26df081a
+                 mr25h256
+                 mx25l4005a
+                 mx25l1606e
+                 mx25l6405d
+                 mx25l12805d
+                 mx25l25635e
+                 n25q064
+                 n25q128a11
+                 n25q128a13
+                 n25q512a
+                 s25fl256s1
+                 s25fl512s
+                 s25sl12801
+                 s25fl008k
+                 s25fl064k
+                 sst25vf040b
+                 m25p40
+                 m25p80
+                 m25p16
+                 m25p32
+                 m25p64
+                 m25p128
+                 w25x80
+                 w25x32
+                 w25q32
+                 w25q32dw
+                 w25q80bl
+                 w25q128
+                 w25q256
+
+               The following chip names have been used historically to
+               designate quirky versions of flash chips that do not support the
+               JEDEC READ ID opcode (0x9F):
+                 m25p05-nonjedec
+                 m25p10-nonjedec
+                 m25p20-nonjedec
+                 m25p40-nonjedec
+                 m25p80-nonjedec
+                 m25p16-nonjedec
+                 m25p32-nonjedec
+                 m25p64-nonjedec
+                 m25p128-nonjedec
+
+- reg : Chip-Select number
+- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at
+
+Optional properties:
+- m25p,fast-read : Use the "fast read" opcode to read data from the chip instead
+                   of the usual "read" opcode. This opcode is not supported by
+                   all chips and support for it can not be detected at runtime.
+                   Refer to your chips' datasheet to check if this is supported
+                   by your chip.
+
+Example:
+
+	flash: m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,m25p80", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+		m25p,fast-read;
+	};