diff options
Diffstat (limited to 'arch/arm/mach-at91')
49 files changed, 186 insertions, 287 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index b2d2cf4dc052..45b55e0f0db6 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -167,7 +167,6 @@ config SOC_AT91SAM9X5 select HAVE_AT91_DBGU0 select HAVE_FB_ATMEL select SOC_AT91SAM9 - select AT91_USE_OLD_CLK select HAVE_AT91_UTMI select HAVE_AT91_SMD select HAVE_AT91_USB_CLK @@ -183,7 +182,6 @@ config SOC_AT91SAM9N12 select HAVE_AT91_DBGU0 select HAVE_FB_ATMEL select SOC_AT91SAM9 - select AT91_USE_OLD_CLK select HAVE_AT91_USB_CLK help Select this if you are using Atmel's AT91SAM9N12 SoC. diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index f3f19f21352a..3f4bb58aea54 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -15,6 +15,7 @@ #include <linux/dma-mapping.h> #include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/platform_device.h> #include <linux/i2c-gpio.h> @@ -25,6 +26,7 @@ #include "board.h" #include "generic.h" +#include "gpio.h" /* -------------------------------------------------------------------- @@ -923,7 +925,6 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ - .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -962,7 +963,14 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, +}; + +static struct gpiod_lookup_table uart0_gpios_table = { + .dev_id = "atmel_usart", + .table = { + GPIO_LOOKUP("pioA", 21, "rts", GPIO_ACTIVE_LOW), + { }, + }, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -993,7 +1001,7 @@ static inline void configure_usart0_pins(unsigned pins) * We need to drive the pin manually. The serial driver will driver * this to high when initializing. */ - uart0_data.rts_gpio = AT91_PIN_PA21; + gpiod_add_lookup_table(&uart0_gpios_table); } } @@ -1013,7 +1021,6 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1065,7 +1072,6 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -1109,7 +1115,6 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index a0282928e9c1..ef88e0fe4e80 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -24,12 +24,11 @@ #include <mach/at91sam9260_matrix.h> #include <mach/at91_matrix.h> #include <mach/at91sam9_smc.h> -#include <mach/at91_adc.h> #include <mach/hardware.h> #include "board.h" #include "generic.h" - +#include "gpio.h" /* -------------------------------------------------------------------- * USB Host @@ -820,7 +819,6 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ - .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -859,7 +857,6 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -911,7 +908,6 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -955,7 +951,6 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -999,7 +994,6 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); @@ -1043,7 +1037,6 @@ static struct resource uart4_resources[] = { static struct atmel_uart_data uart4_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart4_dmamask = DMA_BIT_MASK(32); @@ -1082,7 +1075,6 @@ static struct resource uart5_resources[] = { static struct atmel_uart_data uart5_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart5_dmamask = DMA_BIT_MASK(32); @@ -1308,30 +1300,23 @@ static struct platform_device at91_adc_device = { static struct at91_adc_trigger at91_adc_triggers[] = { [0] = { .name = "timer-counter-0", - .value = AT91_ADC_TRGSEL_TC0 | AT91_ADC_TRGEN, + .value = 0x1, }, [1] = { .name = "timer-counter-1", - .value = AT91_ADC_TRGSEL_TC1 | AT91_ADC_TRGEN, + .value = 0x3, }, [2] = { .name = "timer-counter-2", - .value = AT91_ADC_TRGSEL_TC2 | AT91_ADC_TRGEN, + .value = 0x5, }, [3] = { .name = "external", - .value = AT91_ADC_TRGSEL_EXTERNAL | AT91_ADC_TRGEN, + .value = 0xd, .is_external = true, }, }; -static struct at91_adc_reg_desc at91_adc_register_g20 = { - .channel_base = AT91_ADC_CHR(0), - .drdy_mask = AT91_ADC_DRDY, - .status_register = AT91_ADC_SR, - .trigger_register = AT91_ADC_MR, -}; - void __init at91_add_device_adc(struct at91_adc_data *data) { if (!data) @@ -1349,9 +1334,7 @@ void __init at91_add_device_adc(struct at91_adc_data *data) if (data->use_external_triggers) at91_set_A_periph(AT91_PIN_PA22, 0); - data->num_channels = 4; data->startup_time = 10; - data->registers = &at91_adc_register_g20; data->trigger_number = 4; data->trigger_list = at91_adc_triggers; diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 80e35895d28f..29baacb5c359 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -29,7 +29,7 @@ #include "board.h" #include "generic.h" - +#include "gpio.h" /* -------------------------------------------------------------------- * USB Host @@ -881,7 +881,6 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ - .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -920,7 +919,6 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -964,7 +962,6 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1008,7 +1005,6 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 43d53d6156dd..309390d8e2f8 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -28,6 +28,7 @@ #include "board.h" #include "generic.h" +#include "gpio.h" /* -------------------------------------------------------------------- @@ -1325,7 +1326,6 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ - .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -1364,7 +1364,6 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -1408,7 +1407,6 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1452,7 +1450,6 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 5e6f498db0a8..9d3d544ac19c 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -182,7 +182,7 @@ static struct clk vdec_clk = { static struct clk adc_op_clk = { .name = "adc_op_clk", .type = CLK_TYPE_PERIPHERAL, - .rate_hz = 13200000, + .rate_hz = 300000, }; /* AES/TDES/SHA clock - Only for sam9m11/sam9g56 */ diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index dab362c06487..391ab6bb536a 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -25,7 +25,6 @@ #include <linux/fb.h> #include <video/atmel_lcdc.h> -#include <mach/at91_adc.h> #include <mach/at91sam9g45.h> #include <mach/at91sam9g45_matrix.h> #include <mach/at91_matrix.h> @@ -39,6 +38,7 @@ #include "board.h" #include "generic.h" #include "clock.h" +#include "gpio.h" /* -------------------------------------------------------------------- @@ -1133,58 +1133,7 @@ static void __init at91_add_device_rtc(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 = AT91SAM9G45_BASE_TSC, - .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_TSC, - .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_TSC, - .flags = IORESOURCE_IRQ, - } -}; - -static struct platform_device at91sam9g45_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_gpio_input(AT91_PIN_PD20, 0); /* AD0_XR */ - at91_set_gpio_input(AT91_PIN_PD21, 0); /* AD1_XL */ - at91_set_gpio_input(AT91_PIN_PD22, 0); /* AD2_YT */ - at91_set_gpio_input(AT91_PIN_PD23, 0); /* AD3_TB */ - - tsadcc_data = *data; - platform_device_register(&at91sam9g45_tsadcc_device); -} -#else -void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * ADC + * ADC and touchscreen * -------------------------------------------------------------------- */ #if IS_ENABLED(CONFIG_AT91_ADC) @@ -1236,13 +1185,6 @@ static struct at91_adc_trigger at91_adc_triggers[] = { }, }; -static struct at91_adc_reg_desc at91_adc_register_g45 = { - .channel_base = AT91_ADC_CHR(0), - .drdy_mask = AT91_ADC_DRDY, - .status_register = AT91_ADC_SR, - .trigger_register = 0x08, -}; - void __init at91_add_device_adc(struct at91_adc_data *data) { if (!data) @@ -1268,9 +1210,7 @@ void __init at91_add_device_adc(struct at91_adc_data *data) if (data->use_external_triggers) at91_set_A_periph(AT91_PIN_PD28, 0); - data->num_channels = 8; data->startup_time = 40; - data->registers = &at91_adc_register_g45; data->trigger_number = 4; data->trigger_list = at91_adc_triggers; @@ -1588,7 +1528,6 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, - .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -1627,7 +1566,6 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -1671,7 +1609,6 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1715,7 +1652,6 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -1759,7 +1695,6 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c index f2ea7b0a02da..c8988fe5ff70 100644 --- a/arch/arm/mach-at91/at91sam9n12.c +++ b/arch/arm/mach-at91/at91sam9n12.c @@ -19,9 +19,10 @@ #include "board.h" #include "soc.h" #include "generic.h" -#include "clock.h" #include "sam9_smc.h" +#if defined(CONFIG_OLD_CLK_AT91) +#include "clock.h" /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -215,6 +216,9 @@ static void __init at91sam9n12_register_clocks(void) ARRAY_SIZE(periph_clocks_lookups)); } +#else +#define at91sam9n12_register_clocks NULL +#endif /* -------------------------------------------------------------------- * AT91SAM9N12 processor initialization diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 57f12d86c0e6..a79960f57e6a 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -153,6 +153,11 @@ static struct clk ac97_clk = { .pmc_mask = 1 << AT91SAM9RL_ID_AC97C, .type = CLK_TYPE_PERIPHERAL, }; +static struct clk adc_op_clk = { + .name = "adc_op_clk", + .type = CLK_TYPE_PERIPHERAL, + .rate_hz = 1000000, +}; static struct clk *periph_clocks[] __initdata = { &pioA_clk, @@ -178,6 +183,7 @@ static struct clk *periph_clocks[] __initdata = { &udphs_clk, &lcdc_clk, &ac97_clk, + &adc_op_clk, // irq0 }; @@ -216,6 +222,7 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk), CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk), CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk), + CLKDEV_CON_ID("adc_clk", &tsc_clk), }; static struct clk_lookup usart_clocks_lookups[] = { diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 428fc412aaf1..0b1d71a7d9bf 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -23,9 +23,11 @@ #include <mach/at91sam9_smc.h> #include <mach/hardware.h> #include <linux/platform_data/dma-atmel.h> +#include <linux/platform_data/at91_adc.h> #include "board.h" #include "generic.h" +#include "gpio.h" /* -------------------------------------------------------------------- @@ -608,14 +610,13 @@ static void __init at91_add_device_tc(void) { } /* -------------------------------------------------------------------- - * Touchscreen + * ADC and 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; +#if IS_ENABLED(CONFIG_AT91_ADC) +static struct at91_adc_data adc_data; -static struct resource tsadcc_resources[] = { +static struct resource adc_resources[] = { [0] = { .start = AT91SAM9RL_BASE_TSC, .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1, @@ -628,36 +629,71 @@ static struct resource tsadcc_resources[] = { } }; -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, +static struct platform_device at91_adc_device = { + .name = "at91sam9rl-adc", + .id = -1, + .dev = { + .platform_data = &adc_data, }, - .resource = tsadcc_resources, - .num_resources = ARRAY_SIZE(tsadcc_resources), + .resource = adc_resources, + .num_resources = ARRAY_SIZE(adc_resources), }; -void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) +static struct at91_adc_trigger at91_adc_triggers[] = { + [0] = { + .name = "external-rising", + .value = 1, + .is_external = true, + }, + [1] = { + .name = "external-falling", + .value = 2, + .is_external = true, + }, + [2] = { + .name = "external-any", + .value = 3, + .is_external = true, + }, + [3] = { + .name = "continuous", + .value = 6, + .is_external = false, + }, +}; + +void __init at91_add_device_adc(struct at91_adc_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); + if (test_bit(0, &data->channels_used)) + at91_set_A_periph(AT91_PIN_PA17, 0); + if (test_bit(1, &data->channels_used)) + at91_set_A_periph(AT91_PIN_PA18, 0); + if (test_bit(2, &data->channels_used)) + at91_set_A_periph(AT91_PIN_PA19, 0); + if (test_bit(3, &data->channels_used)) + at91_set_A_periph(AT91_PIN_PA20, 0); + if (test_bit(4, &data->channels_used)) + at91_set_A_periph(AT91_PIN_PD6, 0); + if (test_bit(5, &data->channels_used)) + at91_set_A_periph(AT91_PIN_PD7, 0); + + if (data->use_external_triggers) + at91_set_A_periph(AT91_PIN_PB15, 0); + + data->startup_time = 40; + data->trigger_number = 4; + data->trigger_list = at91_adc_triggers; + + adc_data = *data; + platform_device_register(&at91_adc_device); } #else -void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} +void __init at91_add_device_adc(struct at91_adc_data *data) {} #endif - /* -------------------------------------------------------------------- * RTC * -------------------------------------------------------------------- */ @@ -957,7 +993,6 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ - .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -996,7 +1031,6 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -1048,7 +1082,6 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1092,7 +1125,6 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -1136,7 +1168,6 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, - .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c index 9ad781d5ee7c..028268ff3722 100644 --- a/arch/arm/mach-at91/at91sam9x5.c +++ b/arch/arm/mach-at91/at91sam9x5.c @@ -19,9 +19,10 @@ #include "board.h" #include "soc.h" #include "generic.h" -#include "clock.h" #include "sam9_smc.h" +#if defined(CONFIG_OLD_CLK_AT91) +#include "clock.h" /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -313,6 +314,9 @@ static void __init at91sam9x5_register_clocks(void) clk_register(&pck0); clk_register(&pck1); } +#else +#define at91sam9x5_register_clocks NULL +#endif /* -------------------------------------------------------------------- * AT91SAM9x5 processor initialization diff --git a/arch/arm/mach-at91/board-1arm.c b/arch/arm/mach-at91/board-1arm.c index 35ab632bbf68..3f6dbcc34022 100644 --- a/arch/arm/mach-at91/board-1arm.c +++ b/arch/arm/mach-at91/board-1arm.c @@ -39,7 +39,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" - +#include "gpio.h" static void __init onearm_init_early(void) { diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c index f95e31cda4b3..597c649170aa 100644 --- a/arch/arm/mach-at91/board-afeb-9260v1.c +++ b/arch/arm/mach-at91/board-afeb-9260v1.c @@ -46,6 +46,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init afeb9260_init_early(void) diff --git a/arch/arm/mach-at91/board-cam60.c b/arch/arm/mach-at91/board-cam60.c index 112e867c4abe..a30502c8d379 100644 --- a/arch/arm/mach-at91/board-cam60.c +++ b/arch/arm/mach-at91/board-cam60.c @@ -44,6 +44,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init cam60_init_early(void) diff --git a/arch/arm/mach-at91/board-carmeva.c b/arch/arm/mach-at91/board-carmeva.c index 92983050a9bd..47313d3ee037 100644 --- a/arch/arm/mach-at91/board-carmeva.c +++ b/arch/arm/mach-at91/board-carmeva.c @@ -39,6 +39,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init carmeva_init_early(void) diff --git a/arch/arm/mach-at91/board-cpu9krea.c b/arch/arm/mach-at91/board-cpu9krea.c index 008527efdbcf..2037f78c84e7 100644 --- a/arch/arm/mach-at91/board-cpu9krea.c +++ b/arch/arm/mach-at91/board-cpu9krea.c @@ -48,6 +48,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init cpu9krea_init_early(void) { diff --git a/arch/arm/mach-at91/board-cpuat91.c b/arch/arm/mach-at91/board-cpuat91.c index 42f1353a4baf..c094350c9314 100644 --- a/arch/arm/mach-at91/board-cpuat91.c +++ b/arch/arm/mach-at91/board-cpuat91.c @@ -43,6 +43,8 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" + static struct gpio_led cpuat91_leds[] = { { diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c index e5fde215225b..0e35a45cf8d4 100644 --- a/arch/arm/mach-at91/board-csb337.c +++ b/arch/arm/mach-at91/board-csb337.c @@ -42,7 +42,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" - +#include "gpio.h" static void __init csb337_init_early(void) { diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c index fdf11061c577..18d027f529a8 100644 --- a/arch/arm/mach-at91/board-csb637.c +++ b/arch/arm/mach-at91/board-csb637.c @@ -39,6 +39,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init csb637_init_early(void) diff --git a/arch/arm/mach-at91/board-eb9200.c b/arch/arm/mach-at91/board-eb9200.c index f9be8161bbfa..aa457a8b22f5 100644 --- a/arch/arm/mach-at91/board-eb9200.c +++ b/arch/arm/mach-at91/board-eb9200.c @@ -38,6 +38,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init eb9200_init_early(void) diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c index b2fcd71262ba..ede1373ccaba 100644 --- a/arch/arm/mach-at91/board-ecbat91.c +++ b/arch/arm/mach-at91/board-ecbat91.c @@ -42,6 +42,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init ecb_at91init_early(void) diff --git a/arch/arm/mach-at91/board-eco920.c b/arch/arm/mach-at91/board-eco920.c index 77de410efc90..4e75321a8f2a 100644 --- a/arch/arm/mach-at91/board-eco920.c +++ b/arch/arm/mach-at91/board-eco920.c @@ -31,6 +31,8 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" + static void __init eco920_init_early(void) { diff --git a/arch/arm/mach-at91/board-flexibity.c b/arch/arm/mach-at91/board-flexibity.c index 737c08563628..68f1ab6bd08f 100644 --- a/arch/arm/mach-at91/board-flexibity.c +++ b/arch/arm/mach-at91/board-flexibity.c @@ -37,6 +37,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init flexibity_init_early(void) { diff --git a/arch/arm/mach-at91/board-foxg20.c b/arch/arm/mach-at91/board-foxg20.c index c20a870ea9c9..8b22c60bb238 100644 --- a/arch/arm/mach-at91/board-foxg20.c +++ b/arch/arm/mach-at91/board-foxg20.c @@ -47,6 +47,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" /* * The FOX Board G20 hardware comes as the "Netus G20" board with diff --git a/arch/arm/mach-at91/board-gsia18s.c b/arch/arm/mach-at91/board-gsia18s.c index 416bae8435ee..b729dd1271bf 100644 --- a/arch/arm/mach-at91/board-gsia18s.c +++ b/arch/arm/mach-at91/board-gsia18s.c @@ -39,6 +39,7 @@ #include "generic.h" #include "gsia18s.h" #include "stamp9g20.h" +#include "gpio.h" static void __init gsia18s_init_early(void) { diff --git a/arch/arm/mach-at91/board-kafa.c b/arch/arm/mach-at91/board-kafa.c index 88e2f5d2d16d..93b1df42f639 100644 --- a/arch/arm/mach-at91/board-kafa.c +++ b/arch/arm/mach-at91/board-kafa.c @@ -39,6 +39,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init kafa_init_early(void) diff --git a/arch/arm/mach-at91/board-kb9202.c b/arch/arm/mach-at91/board-kb9202.c index 0c519d9ebffc..d58d36225e08 100644 --- a/arch/arm/mach-at91/board-kb9202.c +++ b/arch/arm/mach-at91/board-kb9202.c @@ -42,6 +42,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init kb9202_init_early(void) diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c index 5f25fa54eb93..b48d95ec5152 100644 --- a/arch/arm/mach-at91/board-pcontrol-g20.c +++ b/arch/arm/mach-at91/board-pcontrol-g20.c @@ -37,6 +37,7 @@ #include "sam9_smc.h" #include "generic.h" #include "stamp9g20.h" +#include "gpio.h" static void __init pcontrol_g20_init_early(void) diff --git a/arch/arm/mach-at91/board-picotux200.c b/arch/arm/mach-at91/board-picotux200.c index ab2b2ec36c14..2c0f2d554d84 100644 --- a/arch/arm/mach-at91/board-picotux200.c +++ b/arch/arm/mach-at91/board-picotux200.c @@ -43,6 +43,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init picotux200_init_early(void) diff --git a/arch/arm/mach-at91/board-rm9200ek.c b/arch/arm/mach-at91/board-rm9200ek.c index 8b17dadc1aba..953cea416754 100644 --- a/arch/arm/mach-at91/board-rm9200ek.c +++ b/arch/arm/mach-at91/board-rm9200ek.c @@ -45,6 +45,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) diff --git a/arch/arm/mach-at91/board-rsi-ews.c b/arch/arm/mach-at91/board-rsi-ews.c index f6d7f1958c7e..f28e8b74df4b 100644 --- a/arch/arm/mach-at91/board-rsi-ews.c +++ b/arch/arm/mach-at91/board-rsi-ews.c @@ -31,6 +31,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init rsi_ews_init_early(void) { diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c index 43ee4dc43b50..d24dda67e2d3 100644 --- a/arch/arm/mach-at91/board-sam9-l9260.c +++ b/arch/arm/mach-at91/board-sam9-l9260.c @@ -43,6 +43,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index f4f8735315da..65dea12d685e 100644 --- a/arch/arm/mach-at91/board-sam9260ek.c +++ b/arch/arm/mach-at91/board-sam9260ek.c @@ -49,6 +49,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index 473546b9408b..4637432de08f 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -53,6 +53,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index 2f931915c80c..cd2726ee5add 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -52,6 +52,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c index f9cd1f2c7146..e1be6e25b380 100644 --- a/arch/arm/mach-at91/board-sam9g20ek.c +++ b/arch/arm/mach-at91/board-sam9g20ek.c @@ -50,6 +50,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" /* * board revision encoding diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c index ef39078c8ce2..1ea61328f30d 100644 --- a/arch/arm/mach-at91/board-sam9m10g45ek.c +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -50,6 +50,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) @@ -300,21 +301,13 @@ static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; /* - * Touchscreen - */ -static struct at91_tsadcc_data ek_tsadcc_data = { - .adc_clock = 300000, - .pendet_debounce = 0x0d, - .ts_sample_hold_time = 0x0a, -}; - -/* - * ADCs + * ADCs and touchscreen */ static struct at91_adc_data ek_adc_data = { .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7), .use_external_triggers = true, .vref = 3300, + .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE, }; /* @@ -485,9 +478,7 @@ static void __init ek_board_init(void) at91_add_device_isi(&isi_data, true); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); - /* Touch Screen */ - at91_add_device_tsadcc(&ek_tsadcc_data); - /* ADC */ + /* ADC and touchscreen */ at91_add_device_adc(&ek_adc_data); /* Push Buttons */ ek_add_device_buttons(); diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index 604eecf6cd70..b64648b4a1fc 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/platform_data/at91_adc.h> #include <video/atmel_lcdc.h> @@ -38,6 +39,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" static void __init ek_init_early(void) @@ -229,12 +231,13 @@ static struct gpio_led ek_leds[] = { /* - * Touchscreen + * ADC + Touchscreen */ -static struct at91_tsadcc_data ek_tsadcc_data = { - .adc_clock = 1000000, - .pendet_debounce = 0x0f, - .ts_sample_hold_time = 0x03, +static struct at91_adc_data ek_adc_data = { + .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5), + .use_external_triggers = true, + .vref = 3300, + .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE, }; @@ -310,8 +313,8 @@ 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 */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); /* Push Buttons */ diff --git a/arch/arm/mach-at91/board-snapper9260.c b/arch/arm/mach-at91/board-snapper9260.c index f1d49e929ccb..1b870e6def0c 100644 --- a/arch/arm/mach-at91/board-snapper9260.c +++ b/arch/arm/mach-at91/board-snapper9260.c @@ -38,6 +38,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" #define SNAPPER9260_IO_EXP_GPIO(x) (NR_BUILTIN_GPIO + (x)) diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c index e4a5ac17cdbc..3b575036ff96 100644 --- a/arch/arm/mach-at91/board-stamp9g20.c +++ b/arch/arm/mach-at91/board-stamp9g20.c @@ -32,6 +32,7 @@ #include "board.h" #include "sam9_smc.h" #include "generic.h" +#include "gpio.h" void __init stamp9g20_init_early(void) diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c index be083771df2e..46fdb0c68a68 100644 --- a/arch/arm/mach-at91/board-yl-9200.c +++ b/arch/arm/mach-at91/board-yl-9200.c @@ -50,6 +50,7 @@ #include "at91_aic.h" #include "board.h" #include "generic.h" +#include "gpio.h" static void __init yl9200_init_early(void) diff --git a/arch/arm/mach-at91/board.h b/arch/arm/mach-at91/board.h index 6c08b341167d..4e773b55bc2d 100644 --- a/arch/arm/mach-at91/board.h +++ b/arch/arm/mach-at91/board.h @@ -118,9 +118,6 @@ struct isi_platform_data; extern void __init at91_add_device_isi(struct isi_platform_data *data, bool use_pck_as_mck); - /* Touchscreen Controller */ -extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data); - /* CAN */ extern void __init at91_add_device_can(struct at91_can_data *data); diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index a5afcf76550e..d3f05aaad8ba 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -29,6 +29,7 @@ #include <mach/at91_pio.h> #include "generic.h" +#include "gpio.h" #define MAX_NB_GPIO_PER_BANK 32 @@ -49,6 +50,7 @@ static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset); static void at91_gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip); static void at91_gpiolib_set(struct gpio_chip *chip, unsigned offset, int val); static int at91_gpiolib_get(struct gpio_chip *chip, unsigned offset); +static int at91_gpiolib_get_direction(struct gpio_chip *chip, unsigned offset); static int at91_gpiolib_direction_output(struct gpio_chip *chip, unsigned offset, int val); static int at91_gpiolib_direction_input(struct gpio_chip *chip, @@ -60,6 +62,7 @@ static int at91_gpiolib_to_irq(struct gpio_chip *chip, unsigned offset); .chip = { \ .label = name, \ .request = at91_gpiolib_request, \ + .get_direction = at91_gpiolib_get_direction, \ .direction_input = at91_gpiolib_direction_input, \ .direction_output = at91_gpiolib_direction_output, \ .get = at91_gpiolib_get, \ @@ -799,6 +802,17 @@ static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset) return 0; } +static int at91_gpiolib_get_direction(struct gpio_chip *chip, unsigned offset) +{ + struct at91_gpio_chip *at91_gpio = to_at91_gpio_chip(chip); + void __iomem *pio = at91_gpio->regbase; + unsigned mask = 1 << offset; + u32 osr; + + osr = __raw_readl(pio + PIO_OSR); + return !(osr & mask); +} + static int at91_gpiolib_direction_input(struct gpio_chip *chip, unsigned offset) { diff --git a/arch/arm/mach-at91/include/mach/gpio.h b/arch/arm/mach-at91/gpio.h index 5fc23771c154..eed465ab0dd7 100644 --- a/arch/arm/mach-at91/include/mach/gpio.h +++ b/arch/arm/mach-at91/gpio.h @@ -209,14 +209,6 @@ extern int at91_get_gpio_value(unsigned pin); extern void at91_gpio_suspend(void); extern void at91_gpio_resume(void); -#ifdef CONFIG_PINCTRL_AT91 -extern void at91_pinctrl_gpio_suspend(void); -extern void at91_pinctrl_gpio_resume(void); -#else -static inline void at91_pinctrl_gpio_suspend(void) {} -static inline void at91_pinctrl_gpio_resume(void) {} -#endif - #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/arm/mach-at91/include/mach/at91_adc.h b/arch/arm/mach-at91/include/mach/at91_adc.h deleted file mode 100644 index c287307b9a3b..000000000000 --- a/arch/arm/mach-at91/include/mach/at91_adc.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/at91_adc.h - * - * Copyright (C) SAN People - * - * Analog-to-Digital Converter (ADC) registers. - * Based on AT91SAM9260 datasheet revision D. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef AT91_ADC_H -#define AT91_ADC_H - -#define AT91_ADC_CR 0x00 /* Control Register */ -#define AT91_ADC_SWRST (1 << 0) /* Software Reset */ -#define AT91_ADC_START (1 << 1) /* Start Conversion */ - -#define AT91_ADC_MR 0x04 /* Mode Register */ -#define AT91_ADC_TRGEN (1 << 0) /* Trigger Enable */ -#define AT91_ADC_TRGSEL (7 << 1) /* Trigger Selection */ -#define AT91_ADC_TRGSEL_TC0 (0 << 1) -#define AT91_ADC_TRGSEL_TC1 (1 << 1) -#define AT91_ADC_TRGSEL_TC2 (2 << 1) -#define AT91_ADC_TRGSEL_EXTERNAL (6 << 1) -#define AT91_ADC_LOWRES (1 << 4) /* Low Resolution */ -#define AT91_ADC_SLEEP (1 << 5) /* Sleep Mode */ -#define AT91_ADC_PRESCAL_9260 (0x3f << 8) /* Prescalar Rate Selection */ -#define AT91_ADC_PRESCAL_9G45 (0xff << 8) -#define AT91_ADC_PRESCAL_(x) ((x) << 8) -#define AT91_ADC_STARTUP_9260 (0x1f << 16) /* Startup Up Time */ -#define AT91_ADC_STARTUP_9G45 (0x7f << 16) -#define AT91_ADC_STARTUP_9X5 (0xf << 16) -#define AT91_ADC_STARTUP_(x) ((x) << 16) -#define AT91_ADC_SHTIM (0xf << 24) /* Sample & Hold Time */ -#define AT91_ADC_SHTIM_(x) ((x) << 24) - -#define AT91_ADC_CHER 0x10 /* Channel Enable Register */ -#define AT91_ADC_CHDR 0x14 /* Channel Disable Register */ -#define AT91_ADC_CHSR 0x18 /* Channel Status Register */ -#define AT91_ADC_CH(n) (1 << (n)) /* Channel Number */ - -#define AT91_ADC_SR 0x1C /* Status Register */ -#define AT91_ADC_EOC(n) (1 << (n)) /* End of Conversion on Channel N */ -#define AT91_ADC_OVRE(n) (1 << ((n) + 8))/* Overrun Error on Channel N */ -#define AT91_ADC_DRDY (1 << 16) /* Data Ready */ -#define AT91_ADC_GOVRE (1 << 17) /* General Overrun Error */ -#define AT91_ADC_ENDRX (1 << 18) /* End of RX Buffer */ -#define AT91_ADC_RXFUFF (1 << 19) /* RX Buffer Full */ - -#define AT91_ADC_SR_9X5 0x30 /* Status Register for 9x5 */ -#define AT91_ADC_SR_DRDY_9X5 (1 << 24) /* Data Ready */ - -#define AT91_ADC_LCDR 0x20 /* Last Converted Data Register */ -#define AT91_ADC_LDATA (0x3ff) - -#define AT91_ADC_IER 0x24 /* Interrupt Enable Register */ -#define AT91_ADC_IDR 0x28 /* Interrupt Disable Register */ -#define AT91_ADC_IMR 0x2C /* Interrupt Mask Register */ -#define AT91_ADC_IER_PEN (1 << 29) -#define AT91_ADC_IER_NOPEN (1 << 30) -#define AT91_ADC_IER_XRDY (1 << 20) -#define AT91_ADC_IER_YRDY (1 << 21) -#define AT91_ADC_IER_PRDY (1 << 22) -#define AT91_ADC_ISR_PENS (1 << 31) - -#define AT91_ADC_CHR(n) (0x30 + ((n) * 4)) /* Channel Data Register N */ -#define AT91_ADC_DATA (0x3ff) - -#define AT91_ADC_CDR0_9X5 (0x50) /* Channel Data Register 0 for 9X5 */ - -#define AT91_ADC_ACR 0x94 /* Analog Control Register */ -#define AT91_ADC_ACR_PENDETSENS (0x3 << 0) /* pull-up resistor */ - -#define AT91_ADC_TSMR 0xB0 -#define AT91_ADC_TSMR_TSMODE (3 << 0) /* Touch Screen Mode */ -#define AT91_ADC_TSMR_TSMODE_NONE (0 << 0) -#define AT91_ADC_TSMR_TSMODE_4WIRE_NO_PRESS (1 << 0) -#define AT91_ADC_TSMR_TSMODE_4WIRE_PRESS (2 << 0) -#define AT91_ADC_TSMR_TSMODE_5WIRE (3 << 0) -#define AT91_ADC_TSMR_TSAV (3 << 4) /* Averages samples */ -#define AT91_ADC_TSMR_TSAV_(x) ((x) << 4) -#define AT91_ADC_TSMR_SCTIM (0x0f << 16) /* Switch closure time */ -#define AT91_ADC_TSMR_PENDBC (0x0f << 28) /* Pen Debounce time */ -#define AT91_ADC_TSMR_PENDBC_(x) ((x) << 28) -#define AT91_ADC_TSMR_NOTSDMA (1 << 22) /* No Touchscreen DMA */ -#define AT91_ADC_TSMR_PENDET_DIS (0 << 24) /* Pen contact detection disable */ -#define AT91_ADC_TSMR_PENDET_ENA (1 << 24) /* Pen contact detection enable */ - -#define AT91_ADC_TSXPOSR 0xB4 -#define AT91_ADC_TSYPOSR 0xB8 -#define AT91_ADC_TSPRESSR 0xBC - -#define AT91_ADC_TRGR_9260 AT91_ADC_MR -#define AT91_ADC_TRGR_9G45 0x08 -#define AT91_ADC_TRGR_9X5 0xC0 - -/* Trigger Register bit field */ -#define AT91_ADC_TRGR_TRGPER (0xffff << 16) -#define AT91_ADC_TRGR_TRGPER_(x) ((x) << 16) -#define AT91_ADC_TRGR_TRGMOD (0x7 << 0) -#define AT91_ADC_TRGR_MOD_PERIOD_TRIG (5 << 0) - -#endif diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h index f17aa3150019..56338245653a 100644 --- a/arch/arm/mach-at91/include/mach/hardware.h +++ b/arch/arm/mach-at91/include/mach/hardware.h @@ -104,5 +104,20 @@ /* Clocks */ #define AT91_SLOW_CLOCK 32768 /* slow clock */ +/* + * FIXME: this is needed to communicate between the pinctrl driver and + * the PM implementation in the machine. Possibly part of the PM + * implementation should be moved down into the pinctrl driver and get + * called as part of the generic suspend/resume path. + */ +#ifndef __ASSEMBLY__ +#ifdef CONFIG_PINCTRL_AT91 +extern void at91_pinctrl_gpio_suspend(void); +extern void at91_pinctrl_gpio_resume(void); +#else +static inline void at91_pinctrl_gpio_suspend(void) {} +static inline void at91_pinctrl_gpio_resume(void) {} +#endif +#endif #endif diff --git a/arch/arm/mach-at91/leds.c b/arch/arm/mach-at91/leds.c index 3e22978b5547..77c4d8fd03fd 100644 --- a/arch/arm/mach-at91/leds.c +++ b/arch/arm/mach-at91/leds.c @@ -16,6 +16,7 @@ #include <linux/platform_device.h> #include "board.h" +#include "gpio.h" /* ------------------------------------------------------------------------- */ diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 8bda1cefdf96..e95554532987 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -32,6 +32,7 @@ #include "at91_aic.h" #include "generic.h" #include "pm.h" +#include "gpio.h" /* * Show the reason for the previous system reset. diff --git a/arch/arm/mach-at91/sysirq_mask.c b/arch/arm/mach-at91/sysirq_mask.c index 2ba694f9626b..f8bc3511a8c8 100644 --- a/arch/arm/mach-at91/sysirq_mask.c +++ b/arch/arm/mach-at91/sysirq_mask.c @@ -25,24 +25,28 @@ #include "generic.h" -#define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */ -#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */ +#define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */ +#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */ +#define AT91_RTC_IRQ_MASK 0x1f /* Available IRQs mask */ void __init at91_sysirq_mask_rtc(u32 rtc_base) { void __iomem *base; - u32 mask; base = ioremap(rtc_base, 64); if (!base) return; - mask = readl_relaxed(base + AT91_RTC_IMR); - if (mask) { - pr_info("AT91: Disabling rtc irq\n"); - writel_relaxed(mask, base + AT91_RTC_IDR); - (void)readl_relaxed(base + AT91_RTC_IMR); /* flush */ - } + /* + * sam9x5 SoCs have the following errata: + * "RTC: Interrupt Mask Register cannot be used + * Interrupt Mask Register read always returns 0." + * + * Hence we're not relying on IMR values to disable + * interrupts. + */ + writel_relaxed(AT91_RTC_IRQ_MASK, base + AT91_RTC_IDR); + (void)readl_relaxed(base + AT91_RTC_IMR); /* flush */ iounmap(base); } |