[PATCH] MX27 3ds: Add SDHC1 support to mx27 3ds

[Sascha Hauer]

Hi Rogerio,

On Wed, Oct 20, 2010 at 02:36:02PM -0200, Rogerio Pimentel wrote:
> Add SDHC1 support to MX27 3ds
>
> Signed-off-by: Rogerio Pimentel <rogerio.pimentel at freescale.com>
>
> ---
>  arch/arm/mach-imx/mach-mx27_3ds.c |   38  
> +++++++++++++++++++++++++++++++++++++

Your mailer breaks the lines. Otherwise the patch looks ok.

Sascha

>  1 files changed, 38 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c  
> b/arch/arm/mach-imx/mach-mx27_3ds.c
> index a69dba2..a02a00a 100644
> --- a/arch/arm/mach-imx/mach-mx27_3ds.c
> +++ b/arch/arm/mach-imx/mach-mx27_3ds.c
> @@ -23,16 +23,20 @@
>  #include <linux/platform_device.h>
>  #include <linux/gpio.h>
>  #include <linux/input/matrix_keypad.h>
> +#include <linux/irq.h>
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
>  #include <asm/mach/time.h>
>  #include <mach/hardware.h>
>  #include <mach/common.h>
>  #include <mach/iomux-mx27.h>
> +#include <mach/mmc.h>
>
>  #include "devices-imx27.h"
>  #include "devices.h"
>
> +#define SD1_EN_GPIO (GPIO_PORTB + 25)
> +
>  static const int mx27pdk_pins[] __initconst = {
>      /* UART1 */
>      PE12_PF_UART1_TXD,
> @@ -58,6 +62,14 @@ static const int mx27pdk_pins[] __initconst = {
>      PD15_AOUT_FEC_COL,
>      PD16_AIN_FEC_TX_ER,
>      PF23_AIN_FEC_TX_EN,
> +    /* SDHC1 */
> +    PE18_PF_SD1_D0,
> +    PE19_PF_SD1_D1,
> +    PE20_PF_SD1_D2,
> +    PE21_PF_SD1_D3,
> +    PE22_PF_SD1_CMD,
> +    PE23_PF_SD1_CLK,
> +    SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
>  };
>
>  static const struct imxuart_platform_data uart_pdata __initconst = {
> @@ -85,13 +97,39 @@ static struct matrix_keymap_data  
> mx27_3ds_keymap_data = {
>      .keymap_size    = ARRAY_SIZE(mx27_3ds_keymap),
>  };
>
> +static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t  
> detect_irq,
> +                void *data)
> +{
> +    return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING |
> +            IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
> +}
> +
> +static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
> +{
> +    free_irq(IRQ_GPIOB(26), data);
> +}
> +
> +static struct imxmmc_platform_data sdhc1_pdata = {
> +    .init = mx27_3ds_sdhc1_init,
> +    .exit = mx27_3ds_sdhc1_exit,
> +};
> +
> +static void mx27_3ds_sdhc1_enable_level_translator(void)
> +{
> +    /* Turn on TXB0108 OE pin */
> +    gpio_request(SD1_EN_GPIO, "sd1_enable");
> +    gpio_direction_output(SD1_EN_GPIO, 1);
> +}
> +
>  static void __init mx27pdk_init(void)
>  {
>      mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
>          "mx27pdk");
> +    mx27_3ds_sdhc1_enable_level_translator();
>      imx27_add_imx_uart0(&uart_pdata);
>      imx27_add_fec(NULL);
>      mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
> +    mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
>  }
>
>  static void __init mx27pdk_timer_init(void)
> -- 
> 1.7.0.4
>
>
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>

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