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authorAlexandre Belloni <alexandre.belloni@free-electrons.com>2014-04-15 12:28:06 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2014-05-07 18:28:40 +0200
commit8be1c477d5c860841298a970ebc102311cc7273a (patch)
treea88235b4ca9ab05d3ac7492d57eb6f803dcc4534 /arch/arm/mach-at91
parent9d9716255f34daf04ab428cab254f8ffbab89fb7 (diff)
downloadlinux-8be1c477d5c860841298a970ebc102311cc7273a.tar.bz2
ARM: at91: sam9rl: switch from atmel_tsadcc to at91_adc
atmel_tsadcc is not allowing to use the remaining ADC channels while at91_adc does. Completely switch to at91_adc and remove the tsadcc platform_data for at91sam9rl and at91sam9rl based boards. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c50
-rw-r--r--arch/arm/mach-at91/board-sam9rlek.c12
2 files changed, 0 insertions, 62 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index a1d5af5e6427..044ad8bc6963 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -610,56 +610,6 @@ static void __init at91_add_device_tc(void) { }
/* --------------------------------------------------------------------
- * Touchscreen
- * -------------------------------------------------------------------- */
-
-#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] = {
- .start = AT91SAM9RL_BASE_TSC,
- .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_TSC,
- .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_TSC,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device at91sam9rl_tsadcc_device = {
- .name = "atmel_tsadcc",
- .id = -1,
- .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(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(struct at91_tsadcc_data *data) {}
-#endif
-
-/* --------------------------------------------------------------------
* ADC and Touchscreen
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index 1db43e32e6c5..b64648b4a1fc 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -231,16 +231,6 @@ 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,
-};
-
-
-/*
* ADC + Touchscreen
*/
static struct at91_adc_data ek_adc_data = {
@@ -323,8 +313,6 @@ static void __init ek_board_init(void)
at91_add_device_lcdc(&ek_lcdc_data);
/* AC97 */
at91_add_device_ac97(&ek_ac97_data);
- /* Touch Screen Controller */
- at91_add_device_tsadcc(&ek_tsadcc_data);
/* Touch Screen Controller + ADC */
at91_add_device_adc(&ek_adc_data);
/* LEDs */