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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-07-25 09:43:04 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-07-25 09:43:04 +0400
commit314820c9e892d8f41ba4db300ec96770d9c8294b (patch)
tree3d5c59a429239b180c77e57f998a78d3f2b79827 /include/linux/spi
parente76b8ee25e034ab601b525abb95cea14aa167ed3 (diff)
parent07b8481d4aff73d6f451f25e74ea10240ff5131e (diff)
downloadlinux-314820c9e892d8f41ba4db300ec96770d9c8294b.tar.xz
Merge branch 'next' into for-linus
Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/ad7879.h2
-rw-r--r--include/linux/spi/eeprom.h10
-rw-r--r--include/linux/spi/orion_spi.h17
-rw-r--r--include/linux/spi/pxa2xx_spi.h2
-rw-r--r--include/linux/spi/rspi.h31
-rw-r--r--include/linux/spi/spi.h2
6 files changed, 45 insertions, 19 deletions
diff --git a/include/linux/spi/ad7879.h b/include/linux/spi/ad7879.h
index 6334cee1a3be..58368be0b4c0 100644
--- a/include/linux/spi/ad7879.h
+++ b/include/linux/spi/ad7879.h
@@ -12,6 +12,8 @@ struct ad7879_platform_data {
u16 y_min, y_max;
u16 pressure_min, pressure_max;
+ bool swap_xy; /* swap x and y axes */
+
/* [0..255] 0=OFF Starts at 1=550us and goes
* all the way to 9.440ms in steps of 35us.
*/
diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h
index 306e7b1c69ed..403e007aef68 100644
--- a/include/linux/spi/eeprom.h
+++ b/include/linux/spi/eeprom.h
@@ -20,6 +20,16 @@ struct spi_eeprom {
#define EE_ADDR3 0x0004 /* 24 bit addrs */
#define EE_READONLY 0x0008 /* disallow writes */
+ /*
+ * Certain EEPROMS have a size that is larger than the number of address
+ * bytes would allow (e.g. like M95040 from ST that has 512 Byte size
+ * but uses only one address byte (A0 to A7) for addressing.) For
+ * the extra address bit (A8, A16 or A24) bit 3 of the instruction byte
+ * is used. This instruction bit is normally defined as don't care for
+ * other AT25 like chips.
+ */
+#define EE_INSTR_BIT3_IS_ADDR 0x0010
+
/* for exporting this chip's data to other kernel code */
void (*setup)(struct memory_accessor *mem, void *context);
void *context;
diff --git a/include/linux/spi/orion_spi.h b/include/linux/spi/orion_spi.h
deleted file mode 100644
index b4d9fa6f797c..000000000000
--- a/include/linux/spi/orion_spi.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * orion_spi.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __LINUX_SPI_ORION_SPI_H
-#define __LINUX_SPI_ORION_SPI_H
-
-struct orion_spi_info {
- u32 tclk; /* no <linux/clk.h> support yet */
-};
-
-
-#endif
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h
index d3e1075f7b60..c73d1445c77e 100644
--- a/include/linux/spi/pxa2xx_spi.h
+++ b/include/linux/spi/pxa2xx_spi.h
@@ -43,7 +43,7 @@ struct pxa2xx_spi_chip {
void (*cs_control)(u32 command);
};
-#ifdef CONFIG_ARCH_PXA
+#if defined(CONFIG_ARCH_PXA) || defined(CONFIG_ARCH_MMP)
#include <linux/clk.h>
#include <mach/dma.h>
diff --git a/include/linux/spi/rspi.h b/include/linux/spi/rspi.h
new file mode 100644
index 000000000000..900f0e328235
--- /dev/null
+++ b/include/linux/spi/rspi.h
@@ -0,0 +1,31 @@
+/*
+ * Renesas SPI driver
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __LINUX_SPI_RENESAS_SPI_H__
+#define __LINUX_SPI_RENESAS_SPI_H__
+
+struct rspi_plat_data {
+ unsigned int dma_tx_id;
+ unsigned int dma_rx_id;
+
+ unsigned dma_width_16bit:1; /* DMAC read/write width = 16-bit */
+};
+
+#endif
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 98679b061b63..fa702aeb5038 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -254,7 +254,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* driver is finished with this message, it must call
* spi_finalize_current_message() so the subsystem can issue the next
* transfer
- * @prepare_transfer_hardware: there are currently no more messages on the
+ * @unprepare_transfer_hardware: there are currently no more messages on the
* queue so the subsystem notifies the driver that it may relax the
* hardware by issuing this call
*