* David Brownell <[EMAIL PROTECTED]> [081107 19:15]:
> From: David Brownell <[EMAIL PROTECTED]>
>
> List the 4 Kbit I2C EEPROM included on the Mistral board.
>
> Also add a comment about the hardware workaround needed to
> properly support the WAKE button. More info at
>
> http://elinux.org/OSK_Mistral_wakeup_button_mod
>
> Still no support for the (optional) camera sensor.
Pushing today and adding to omap1-upstream queue.
Tony
> Signed-off-by: David Brownell <[EMAIL PROTECTED]>
> ---
> arch/arm/mach-omap1/board-osk.c | 32 +++++++++++++++++++++++++++-----
> 1 file changed, 27 insertions(+), 5 deletions(-)
>
> --- a/arch/arm/mach-omap1/board-osk.c
> +++ b/arch/arm/mach-omap1/board-osk.c
> @@ -262,10 +262,6 @@ static struct i2c_board_info __initdata
> {
> I2C_BOARD_INFO("tlv320aic23", 0x1B),
> },
> - /* TODO when driver support is ready:
> - * - on Mistral, 24c04 eeprom at 0x50
> - * - optionally on Mistral, ov9640 camera sensor at 0x30
> - */
> };
>
> static void __init osk_init_smc91x(void)
> @@ -340,11 +336,28 @@ static struct omap_board_config_kernel o
> #ifdef CONFIG_OMAP_OSK_MISTRAL
>
> #include <linux/input.h>
> +#include <linux/i2c/at24.h>
> #include <linux/spi/spi.h>
> #include <linux/spi/ads7846.h>
>
> #include <mach/keypad.h>
>
> +static struct at24_platform_data at24c04 = {
> + .byte_len = SZ_4K / 8,
> + .page_size = 16,
> +};
> +
> +static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
> + {
> + /* NOTE: powered from LCD supply */
> + I2C_BOARD_INFO("24c04", 0x50),
> + .platform_data = &at24c04,
> + },
> + /* TODO when driver support is ready:
> + * - optionally ov9640 camera sensor at 0x30
> + */
> +};
> +
> static const int osk_keymap[] = {
> /* KEY(col, row, code) */
> KEY(0, 0, KEY_F1), /* SW4 */
> @@ -491,7 +504,13 @@ static void __init osk_mistral_init(void
> spi_register_board_info(mistral_boardinfo,
> ARRAY_SIZE(mistral_boardinfo));
>
> - /* the sideways button (SW1) is for use as a "wakeup" button */
> + /* the sideways button (SW1) is for use as a "wakeup" button
> + *
> + * NOTE: The Mistral board has the wakeup button (SW1) wired
> + * to the LCD 3.3V rail, which is powered down during suspend.
> + * To allow this button to wake up the omap, work around this
> + * HW bug by rewiring SW1 to use the main 3.3V rail.
> + */
> omap_cfg_reg(N15_1610_MPUIO2);
> if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
> int ret = 0;
> @@ -523,6 +542,9 @@ static void __init osk_mistral_init(void
> if (gpio_request(2, "lcd_pwr") == 0)
> gpio_direction_output(2, 1);
>
> + i2c_register_board_info(1, mistral_i2c_board_info,
> + ARRAY_SIZE(mistral_i2c_board_info));
> +
> platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
> }
> #else
> --
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