From 988916e1a9af1994d510138e7201acf7b425fb46 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Thu, 2 Sep 2010 15:52:03 +0800 Subject: [PATCH] ARM: mx5/mx51_3ds: add eCSPI2 support on the imx51_3ds board MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jason Wang Acked-by: Grant Likely Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer --- arch/arm/mach-mx5/Kconfig | 1 + arch/arm/mach-mx5/board-mx51_3ds.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) 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 #include +#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"); -- 2.20.1