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mx31moboard: two GPIOS are used to reset other microcontrolers on the robot

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Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Valentin Longchamp 2009-08-12 11:29:21 +02:00 committed by Sascha Hauer
parent 8b1a540c24
commit 2718c15c5f
1 changed files with 20 additions and 0 deletions
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20
arch/arm/mach-mx3/mx31moboard-marxbot.c
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@ -47,6 +47,8 @@ static unsigned int marxbot_pins[] = {
MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC, MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1, MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
MX31_PIN_TXD2__GPIO1_28, MX31_PIN_TXD2__GPIO1_28,
/* dsPIC resets */
MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
}; };
#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR) #define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
@ -102,6 +104,22 @@ static struct imxmmc_platform_data sdhc2_pdata = {
.exit = marxbot_sdhc2_exit, .exit = marxbot_sdhc2_exit,
}; };
#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_STXD5)
#define DSPICS_RST_B IOMUX_TO_GPIO(MX31_PIN_SRXD5)
static void dspics_resets_init(void)
{
if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
gpio_direction_output(TRSLAT_RST_B, 1);
gpio_export(TRSLAT_RST_B, false);
}
if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
gpio_direction_output(DSPICS_RST_B, 1);
gpio_export(DSPICS_RST_B, false);
}
}
/* /*
* system init for baseboard usage. Will be called by mx31moboard init. * system init for baseboard usage. Will be called by mx31moboard init.
*/ */
@ -112,5 +130,7 @@ void __init mx31moboard_marxbot_init(void)
mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins), mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
"marxbot"); "marxbot");
dspics_resets_init();
mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata); mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
} }