[PATCH v2 3/3] ARM: pxa168/teton bga: add board support for i2c and rtc-ds1337

[Haojian Zhuang]

On Mon, Sep 13, 2010 at 11:51 AM, Mark F. Brown <mark.brown314 at gmail.com> wrote:
> Defined I2C/ALARM pin definitions
> DS1337 RTC alarm support is tied to RTC_INT_GPIO
>
> Signed-off-by: Mark F. Brown <mark.brown314 at gmail.com>
> ---
>  arch/arm/mach-mmp/teton_bga.c |   16 ++++++++++++++++
>  1 files changed, 16 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
> index 2966117..d631bbc 100644
> --- a/arch/arm/mach-mmp/teton_bga.c
> +++ b/arch/arm/mach-mmp/teton_bga.c
> @@ -18,6 +18,7 @@
>  #include <linux/gpio.h>
>  #include <linux/input.h>
>  #include <plat/pxa27x_keypad.h>
> +#include <linux/i2c.h>
>
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
> @@ -38,6 +39,13 @@ static unsigned long teton_bga_pin_config[] __initdata = {
>        GPIO110_KP_MKIN0,
>        GPIO111_KP_MKOUT7,
>        GPIO112_KP_MKOUT6,
> +
> +       /* I2C Bus */
> +       GPIO105_CI2C_SDA,
> +       GPIO106_CI2C_SCL,
> +
> +       /* RTC */
> +       GPIO78_GPIO,
>  };
>
>  static unsigned int teton_bga_matrix_key_map[] = {
> @@ -55,6 +63,13 @@ static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
>        .debounce_interval      = 30,
>  };
>
> +static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
> +       {
> +               I2C_BOARD_INFO("ds1337", 0x68),
> +               .irq = gpio_to_irq(RTC_INT_GPIO)
> +       },
> +};
> +
>  static void __init teton_bga_init(void)
>  {
>        mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
> @@ -62,6 +77,7 @@ static void __init teton_bga_init(void)
>        /* on-chip devices */
>        pxa168_add_uart(1);
>        pxa168_add_keypad(&teton_bga_keypad_info);
> +       pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
>  }
>
>  MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
> --
> 1.7.0.4
>
> --
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Acked