[PATCH 2/4] MXC: mx31pdk: Add CSPI2 interface support.
Alberto Panizzo
maramaopercheseimorto at gmail.com
Thu Dec 10 13:45:43 EST 2009
This patch add second SPI channel registration.
Signed-off-by: Alberto Panizzo <alberto.panizzo at gmail.com>
---
arch/arm/mach-mx3/mx31pdk.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mx31pdk.c
index ca1fe5d..5771d0e 100644
--- a/arch/arm/mach-mx3/mx31pdk.c
+++ b/arch/arm/mach-mx3/mx31pdk.c
@@ -35,6 +35,7 @@
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/mxc_nand.h>
+#include <mach/spi.h>
#include "devices.h"
/*!
@@ -52,8 +53,28 @@ static int mx31pdk_pins[] = {
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
+ /* SPI 1 */
+ MX31_PIN_CSPI2_SCLK__SCLK,
+ MX31_PIN_CSPI2_MOSI__MOSI,
+ MX31_PIN_CSPI2_MISO__MISO,
+ MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
+ MX31_PIN_CSPI2_SS0__SS0,
+ MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
};
+/* SPI */
+
+static int spi1_internal_chipselect[] = {
+ MXC_SPI_CS(0),
+ MXC_SPI_CS(2),
+};
+
+static struct spi_imx_master spi1_pdata = {
+ .chipselect = spi1_internal_chipselect,
+ .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect),
+};
+
+
/*
* NAND Flash
*/
@@ -251,6 +272,7 @@ static void __init mxc_board_init(void)
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxc_nand_device, &imx31pdk_nand_flash_pdata);
+ mxc_register_device(&mxc_spi_device1, &spi1_pdata);
if (!mx31pdk_init_expio())
platform_device_register(&smsc911x_device);
--
1.6.3.3
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