[PATCH 3/3] ARM: pxa168/teton bga: add board support for i2c and rtc-ds1337
Haojian Zhuang
haojian.zhuang at gmail.com
Wed Sep 8 01:34:24 EDT 2010
On Wed, Sep 8, 2010 at 10:56 AM, Mark F. Brown <mark.brown314 at gmail.com> wrote:
> Signed-off-by: Mark F. Brown <mark.brown314 at gmail.com>
> ---
> arch/arm/mach-mmp/teton_bga.c | 10 ++++++++++
> 1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
> index bbeda5c..8e5801c 100644
> --- a/arch/arm/mach-mmp/teton_bga.c
> +++ b/arch/arm/mach-mmp/teton_bga.c
> @@ -22,6 +22,7 @@
> #include <mach/gpio.h>
> #include <linux/input.h>
> #include <plat/pxa27x_keypad.h>
> +#include <linux/i2c.h>
>
> #include "common.h"
>
> @@ -35,6 +36,10 @@ 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,
> };
>
> static unsigned int teton_bga_matrix_key_map[] = {
> @@ -52,6 +57,10 @@ 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), },
> +};
> +
I don't have the schematic of teton. But RTC chips should always has
an irq pin. Is it also connected in your platform?
> static void __init teton_bga_init(void)
> {
> mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
> @@ -59,6 +68,7 @@ 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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