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| author | Nicolas Ferre <nicolas.ferre@atmel.com> | 2009-11-19 17:31:20 (GMT) |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-11-20 08:55:29 (GMT) |
| commit | 423c9b0dc3d01e50a4df4e48e8477bfb33638d6e (patch) | |
| tree | e7bc6d9725bad87619ae6f84488fbea05390a19f /arch/arm/mach-at91 | |
| parent | 970435a141b55b2334c6b7e834ed5da7a87daae5 (diff) | |
| download | linux-423c9b0dc3d01e50a4df4e48e8477bfb33638d6e.tar.xz | |
AT91: add platform parameters for atmel_tsadcc in at91sam9rlek
Setup platform parameters in at91sam9rl-ek board to be passed to
atmel_tsadcc touchscreen.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl_devices.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-at91/board-sam9rlek.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 7 |
3 files changed, 25 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index d345f54..53aaa94 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -622,6 +622,7 @@ static void __init at91_add_device_tc(void) { } #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) static u64 tsadcc_dmamask = DMA_BIT_MASK(32); +static struct at91_tsadcc_data tsadcc_data; static struct resource tsadcc_resources[] = { [0] = { @@ -642,22 +643,27 @@ static struct platform_device at91sam9rl_tsadcc_device = { .dev = { .dma_mask = &tsadcc_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &tsadcc_data, }, .resource = tsadcc_resources, .num_resources = ARRAY_SIZE(tsadcc_resources), }; -void __init at91_add_device_tsadcc(void) +void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) { + if (!data) + return; + at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */ at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */ at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */ at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */ + tsadcc_data = *data; platform_device_register(&at91sam9rl_tsadcc_device); } #else -void __init at91_add_device_tsadcc(void) {} +void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} #endif diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index bd28e98..7ac20f3 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -243,6 +243,16 @@ static struct gpio_led ek_leds[] = { /* + * Touchscreen + */ +static struct at91_tsadcc_data ek_tsadcc_data = { + .adc_clock = 1000000, + .pendet_debounce = 0x0f, + .ts_sample_hold_time = 0x03, +}; + + +/* * GPIO Buttons */ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) @@ -310,7 +320,7 @@ static void __init ek_board_init(void) /* AC97 */ at91_add_device_ac97(&ek_ac97_data); /* Touch Screen Controller */ - at91_add_device_tsadcc(); + at91_add_device_tsadcc(&ek_tsadcc_data); /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); /* Push Buttons */ diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index 2f4fced..6f1579f 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -186,7 +186,12 @@ extern void __init at91_add_device_ac97(struct ac97c_platform_data *data); extern void __init at91_add_device_isi(void); /* Touchscreen Controller */ -extern void __init at91_add_device_tsadcc(void); +struct at91_tsadcc_data { + unsigned int adc_clock; + u8 pendet_debounce; + u8 ts_sample_hold_time; +}; +extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data); /* CAN */ struct at91_can_data { |