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authorJason Wang <jason77.wang@gmail.com>2010-09-02 15:52:03 +0800
committerSascha Hauer <s.hauer@pengutronix.de>2010-10-01 09:32:20 +0200
commit988916e1a9af1994d510138e7201acf7b425fb46 (patch)
treec30f8878b285d4d1f44ea23fe66e320619ffde24 /arch/arm/mach-mx5
parenteaa4fd0b4022bd4d2ff0c38b3cc936ee5a441711 (diff)
ARM: mx5/mx51_3ds: add eCSPI2 support on the imx51_3ds board
Signed-off-by: Jason Wang <jason77.wang@gmail.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/Kconfig1
-rw-r--r--arch/arm/mach-mx5/board-mx51_3ds.c20
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index e57caefb1f28..2735314a78e0 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -18,6 +18,7 @@ config MACH_MX51_BABBAGE
config MACH_MX51_3DS
bool "Support MX51PDK (3DS)"
+ select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_DEBUG_BOARD
help
Include support for MX51PDK (3DS) platform. This includes specific
diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c
index f95c2fd94667..c9c41282c996 100644
--- a/arch/arm/mach-mx5/board-mx51_3ds.c
+++ b/arch/arm/mach-mx5/board-mx51_3ds.c
@@ -24,9 +24,11 @@
#include <mach/imx-uart.h>
#include <mach/3ds_debugboard.h>
+#include "devices-imx51.h"
#include "devices.h"
#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6)
+#define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28)
static struct pad_desc mx51_3ds_pads[] = {
/* UART1 */
@@ -61,6 +63,12 @@ static struct pad_desc mx51_3ds_pads[] = {
MX51_PAD_KEY_COL3__KEY_COL3,
MX51_PAD_KEY_COL4__KEY_COL4,
MX51_PAD_KEY_COL5__KEY_COL5,
+
+ /* eCSPI2 */
+ MX51_PAD_NANDF_RB2__ECSPI2_SCLK,
+ MX51_PAD_NANDF_RB3__ECSPI2_MISO,
+ MX51_PAD_NANDF_D15__ECSPI2_MOSI,
+ MX51_PAD_NANDF_D12__GPIO_3_28,
};
/* Serial ports */
@@ -127,6 +135,16 @@ static inline void mxc_init_keypad(void)
}
#endif
+static int mx51_3ds_spi2_cs[] = {
+ MXC_SPI_CS(0),
+ MX51_3DS_ECSPI2_CS,
+};
+
+static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = {
+ .chipselect = mx51_3ds_spi2_cs,
+ .num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs),
+};
+
/*
* Board specific initialization.
*/
@@ -136,6 +154,8 @@ static void __init mxc_board_init(void)
ARRAY_SIZE(mx51_3ds_pads));
mxc_init_imx_uart();
+ imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata);
+
if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT))
printk(KERN_WARNING "Init of the debugboard failed, all "
"devices on the board are unusable.\n");