From 056fbc73d54df64adcb93c513cba708acb2683bd Mon Sep 17 00:00:00 2001 From: Jagannadha Sutradharudu Teki Date: Tue, 7 Jan 2014 00:11:35 +0530 Subject: sf: Add dual memories support - DUAL_PARALLEL This patch added support for accessing dual memories in parallel connection with single chipselect line from controller. For more info - see doc/SPI/README.dual-flash Signed-off-by: Jagannadha Sutradharudu Teki --- include/spi.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/spi.h') diff --git a/include/spi.h b/include/spi.h index d214d82923..ffd66478b1 100644 --- a/include/spi.h +++ b/include/spi.h @@ -47,6 +47,7 @@ /* SPI bus connection options */ #define SPI_CONN_DUAL_SHARED 1 << 0 +#define SPI_CONN_DUAL_SEPARATED 1 << 1 /* Header byte that marks the start of the message */ #define SPI_PREAMBLE_END_BYTE 0xec @@ -66,7 +67,7 @@ * @max_write_size: If non-zero, the maximum number of bytes which can * be written at once, excluding command bytes. * @memory_map: Address of read-only SPI flash access. - * @option: Varies SPI bus options - separate bus. + * @option: Varies SPI bus options - separate, shared bus. * @flags: Indication of SPI flags. */ struct spi_slave { -- cgit v1.2.1