"Mark A. Greer" <[email protected]> writes:
> From: David A. Griego <[email protected]>
>
> Add pinmux settings, etc. to enable the MMC/SC hardware.
>
> Signed-off-by: David A. Griego <[email protected]>
> Signed-off-by: Mark A. Greer <[email protected]>
Thanks, pushing all 4 today.
Kevin
> ---
> 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
> --
> 1.6.2.5.182.ga808d
>
>
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