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| author | Valentin Longchamp <valentin.longchamp@epfl.ch> | 2009-08-12 11:29:21 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-08-14 12:41:13 +0200 |
| commit | 2718c15c5fffa9d05e5076451ab4fc81caac313f (patch) | |
| tree | 2e887fd36c8e7f1c4662aeaf1543b1c3306bf0c9 /arch | |
| parent | 8b1a540c245d68a77dbd909359cfc709b6a3a1bf (diff) | |
| download | linux-rpi-2718c15c5fffa9d05e5076451ab4fc81caac313f.tar.gz linux-rpi-2718c15c5fffa9d05e5076451ab4fc81caac313f.tar.bz2 linux-rpi-2718c15c5fffa9d05e5076451ab4fc81caac313f.zip | |
mx31moboard: two GPIOS are used to reset other microcontrolers on the robot
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard-marxbot.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c index 53ce7ff0637c..3e2b73051b94 100644 --- a/arch/arm/mach-mx3/mx31moboard-marxbot.c +++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c @@ -47,6 +47,8 @@ static unsigned int marxbot_pins[] = { 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_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) @@ -102,6 +104,22 @@ static struct imxmmc_platform_data sdhc2_pdata = { .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. */ @@ -112,5 +130,7 @@ void __init mx31moboard_marxbot_init(void) mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins), "marxbot"); + dspics_resets_init(); + mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata); } |