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Commit 988916e1 authored by Jason Wang's avatar Jason Wang Committed by Sascha Hauer
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ARM: mx5/mx51_3ds: add eCSPI2 support on the imx51_3ds board 



Signed-off-by: default avatarJason Wang <jason77.wang@gmail.com>
Acked-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent eaa4fd0b

arch/arm/mach-mx5/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-mx5/board-mx51_3ds.c

+20 −0
Original line number Diff line number Diff line
@@ -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");