Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream

1 files changed, 22 insertions, 0 deletions

diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h
new file mode 100644
index 000000000000..1085212c446e
--- /dev/null
+++ b/include/linux/spi/eeprom.h
@@ -0,0 +1,22 @@
+#ifndef __LINUX_SPI_EEPROM_H
+#define __LINUX_SPI_EEPROM_H
+
+/*
+ * Put one of these structures in platform_data for SPI EEPROMS handled
+ * by the "at25" driver.  On SPI, most EEPROMS understand the same core
+ * command set.  If you need to support EEPROMs that don't yet fit, add
+ * flags to support those protocol options.  These values all come from
+ * the chip datasheets.
+ */
+struct spi_eeprom {
+	u32		byte_len;
+	char		name[10];
+	u16		page_size;		/* for writes */
+	u16		flags;
+#define	EE_ADDR1	0x0001			/*  8 bit addrs */
+#define	EE_ADDR2	0x0002			/* 16 bit addrs */
+#define	EE_ADDR3	0x0004			/* 24 bit addrs */
+#define	EE_READONLY	0x0008			/* disallow writes */
+};
+
+#endif /* __LINUX_SPI_EEPROM_H */