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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>
This commit is contained in:
Daniel Mack 2009-10-26 11:55:56 +01:00 committed by Sascha Hauer
parent 95b7d4a8ca
commit 3ea2e1a4b7
1 changed files with 37 additions and 0 deletions
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37
arch/arm/mach-mx3/mx31lilly.c
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@ -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));
}