From: David A. Griego <dgri...@mvista.com> Add pinmux settings, etc. to enable the MMC/SC hardware.
Signed-off-by: David A. Griego <dgri...@mvista.com> Signed-off-by: Mark A. Greer <mgr...@mvista.com> Signed-off-by: Kevin Hilman <khil...@deeprootsystems.com> --- arch/arm/mach-davinci/board-da830-evm.c | 43 +++++++++++++++++++++++++++++++ 1 files changed, 43 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index 39711c1..69a791a 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -23,6 +23,7 @@ #include <mach/irqs.h> #include <mach/cp_intc.h> #include <mach/mux.h> +#include <mach/gpio.h> #include <mach/da8xx.h> #include <mach/asp.h> @@ -83,6 +84,38 @@ static struct snd_platform_data da830_evm_snd_data = { .rxnumevt = 1, }; +/* + * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS. + */ +static const short da830_evm_mmc_sd_pins[] = { + DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2, + DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5, + DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK, + DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2, + -1 +}; + +static int da830_evm_mmc_get_ro(int index) +{ + int val, status, gpio_num = 33; + + status = gpio_request(gpio_num, "MMC WP\n"); + if (status < 0) { + pr_warning("%s can not open GPIO %d\n", __func__, gpio_num); + return 0; + } + gpio_direction_input(gpio_num); + val = gpio_get_value(gpio_num); + gpio_free(gpio_num); + return val; +} + +static struct davinci_mmc_config da830_evm_mmc_config = { + .get_ro = da830_evm_mmc_get_ro, + .wires = 4, + .version = MMC_CTLR_VERSION_2, +}; + static __init void da830_evm_init(void) { struct davinci_soc_info *soc_info = &davinci_soc_info; @@ -132,6 +165,16 @@ static __init void da830_evm_init(void) ret); da8xx_register_mcasp(1, &da830_evm_snd_data); + + ret = da8xx_pinmux_setup(da830_evm_mmc_sd_pins); + if (ret) + pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n", + ret); + + ret = da8xx_register_mmcsd0(&da830_evm_mmc_config); + if (ret) + pr_warning("da830_evm_init: mmc/sd registration failed: %d\n", + ret); } #ifdef CONFIG_SERIAL_8250_CONSOLE -- 1.6.4.3 _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source