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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-02 15:34:25 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-02 15:34:25 +0200 |
| commit | 5931e20907203970a6f6e39ab158857751422e0b (patch) | |
| tree | aa69785d24d23755006ed44ea18da3c953d00f9a /board | |
| parent | d13f32d50aa41c0e570040376ab4c47e98598e33 (diff) | |
| download | barebox-5931e20907203970a6f6e39ab158857751422e0b.tar.gz barebox-5931e20907203970a6f6e39ab158857751422e0b.tar.xz | |
imx spi: Use gpio as chip selects
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'board')
| -rw-r--r-- | board/pcm038/pcm038.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/board/pcm038/pcm038.c b/board/pcm038/pcm038.c index 175614632a..78815a985f 100644 --- a/board/pcm038/pcm038.c +++ b/board/pcm038/pcm038.c @@ -42,6 +42,7 @@ #include <asm/arch/imxfb.h> #include <asm/mmu.h> #include <usb/isp1504.h> +#include <asm/arch/spi.h> static struct device_d cfi_dev = { .name = "cfi_flash", @@ -84,9 +85,17 @@ static struct device_d fec_dev = { .platform_data = &fec_info, }; +static int pcm038_spi_cs[] = {GPIO_PORTD + 28}; + +static struct spi_imx_master pcm038_spi_0_data = { + .chipselect = pcm038_spi_cs, + .num_chipselect = ARRAY_SIZE(pcm038_spi_cs), +}; + static struct device_d spi_dev = { .name = "imx_spi", .map_base = 0x1000e000, + .platform_data = &pcm038_spi_0_data, }; static struct spi_board_info pcm038_spi_board_info[] = { @@ -229,9 +238,7 @@ static int pcm038_devices_init(void) PE14_PF_UART1_CTS, PE15_PF_UART1_RTS, PD25_PF_CSPI1_RDY, - PD26_PF_CSPI1_SS2, - PD27_PF_CSPI1_SS1, - PD28_PF_CSPI1_SS0, + GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT, PD29_PF_CSPI1_SCLK, PD30_PF_CSPI1_MISO, PD31_PF_CSPI1_MOSI, @@ -302,6 +309,8 @@ static int pcm038_devices_init(void) PCCR0 |= PCCR0_CSPI1_EN; PCCR1 |= PCCR1_PERCLK2_EN; + gpio_direction_output(GPIO_PORTD | 28, 0); + gpio_set_value(GPIO_PORTD | 28, 0); spi_register_board_info(pcm038_spi_board_info, ARRAY_SIZE(pcm038_spi_board_info)); register_device(&spi_dev); |