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authorDaniel Mack2009-10-26 11:55:56 +0100
committerSascha Hauer2009-11-14 10:29:11 +0100
commit3ea2e1a4b74e39f3cc665cf84a25eedb3ae70647 (patch)
treef7a9537638577997d2a45e6ff7c47bbcd35cf0bf /arch/arm/mach-mx3
parent95b7d4a8ca61da8f7280e10cc4e06823f988c4c8 (diff)
ARM: MX3: add SPI functions for lilly1131-db
This adds support for the two SPI busses found on the lilly1131 module. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/mx31lilly.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31lilly.c b/arch/arm/mach-mx3/mx31lilly.c
index de5cf01f1734..f593a629d8b8 100644
--- a/arch/arm/mach-mx3/mx31lilly.c
+++ b/arch/arm/mach-mx3/mx31lilly.c
@@ -41,6 +41,7 @@
#include <mach/common.h>
#include <mach/iomux-mx3.h>
#include <mach/board-mx31lilly.h>
+#include <mach/spi.h>
#include "devices.h"
@@ -110,6 +111,22 @@ static struct platform_device *devices[] __initdata = {
&physmap_flash_device,
};
+static int spi_internal_chipselect[] = {
+ MXC_SPI_CS(0),
+ MXC_SPI_CS(1),
+ MXC_SPI_CS(2),
+};
+
+static struct spi_imx_master spi0_pdata = {
+ .chipselect = spi_internal_chipselect,
+ .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
+};
+
+static struct spi_imx_master spi1_pdata = {
+ .chipselect = spi_internal_chipselect,
+ .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
+};
+
static int mx31lilly_baseboard;
core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
@@ -128,6 +145,26 @@ static void __init mx31lilly_board_init(void)
mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
+ /* SPI */
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
+
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
+ mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
+
+ mxc_register_device(&mxc_spi_device0, &spi0_pdata);
+ mxc_register_device(&mxc_spi_device1, &spi1_pdata);
+
platform_add_devices(devices, ARRAY_SIZE(devices));
}