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Diffstat (limited to 'arch/arm/mach-at91/at91sam9260_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c339
1 files changed, 181 insertions, 158 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 5a24f0b4554..ef88e0fe4e8 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -17,14 +17,18 @@
#include <linux/platform_device.h>
#include <linux/i2c-gpio.h>
-#include <mach/board.h>
+#include <linux/platform_data/at91_adc.h>
+
#include <mach/cpu.h>
#include <mach/at91sam9260.h>
#include <mach/at91sam9260_matrix.h>
+#include <mach/at91_matrix.h>
#include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
+#include "board.h"
#include "generic.h"
-
+#include "gpio.h"
/* --------------------------------------------------------------------
* USB Host
@@ -41,8 +45,8 @@ static struct resource usbh_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_UHP,
- .end = AT91SAM9260_ID_UHP,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
.flags = IORESOURCE_IRQ,
},
};
@@ -68,7 +72,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
/* Enable overcurrent notification */
for (i = 0; i < data->ports; i++) {
- if (data->overcurrent_pin[i])
+ if (gpio_is_valid(data->overcurrent_pin[i]))
at91_set_gpio_input(data->overcurrent_pin[i], 1);
}
@@ -94,8 +98,8 @@ static struct resource udc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_UDP,
- .end = AT91SAM9260_ID_UDP,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
.flags = IORESOURCE_IRQ,
},
};
@@ -145,8 +149,8 @@ static struct resource eth_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_EMAC,
- .end = AT91SAM9260_ID_EMAC,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC,
.flags = IORESOURCE_IRQ,
},
};
@@ -205,92 +209,10 @@ void __init at91_add_device_eth(struct macb_platform_data *data) {}
/* --------------------------------------------------------------------
- * MMC / SD
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
-static u64 mmc_dmamask = DMA_BIT_MASK(32);
-static struct at91_mmc_data mmc_data;
-
-static struct resource mmc_resources[] = {
- [0] = {
- .start = AT91SAM9260_BASE_MCI,
- .end = AT91SAM9260_BASE_MCI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9260_ID_MCI,
- .end = AT91SAM9260_ID_MCI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9260_mmc_device = {
- .name = "at91_mci",
- .id = -1,
- .dev = {
- .dma_mask = &mmc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &mmc_data,
- },
- .resource = mmc_resources,
- .num_resources = ARRAY_SIZE(mmc_resources),
-};
-
-void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
-{
- if (!data)
- return;
-
- /* input/irq */
- if (gpio_is_valid(data->det_pin)) {
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
- }
- if (gpio_is_valid(data->wp_pin))
- at91_set_gpio_input(data->wp_pin, 1);
- if (gpio_is_valid(data->vcc_pin))
- at91_set_gpio_output(data->vcc_pin, 0);
-
- /* CLK */
- at91_set_A_periph(AT91_PIN_PA8, 0);
-
- if (data->slot_b) {
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA1, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA0, 1);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PA5, 1);
- at91_set_B_periph(AT91_PIN_PA4, 1);
- at91_set_B_periph(AT91_PIN_PA3, 1);
- }
- } else {
- /* CMD */
- at91_set_A_periph(AT91_PIN_PA7, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_A_periph(AT91_PIN_PA6, 1);
- if (data->wire4) {
- at91_set_A_periph(AT91_PIN_PA9, 1);
- at91_set_A_periph(AT91_PIN_PA10, 1);
- at91_set_A_periph(AT91_PIN_PA11, 1);
- }
- }
-
- mmc_data = *data;
- platform_device_register(&at91sam9260_mmc_device);
-}
-#else
-void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
-#endif
-
-/* --------------------------------------------------------------------
* MMC / SD Slot for Atmel MCI Driver
* -------------------------------------------------------------------- */
-#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct mci_platform_data mmc_data;
@@ -301,8 +223,8 @@ static struct resource mmc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_MCI,
- .end = AT91SAM9260_ID_MCI,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI,
.flags = IORESOURCE_IRQ,
},
};
@@ -422,8 +344,8 @@ void __init at91_add_device_nand(struct atmel_nand_data *data)
if (!data)
return;
- csa = at91_sys_read(AT91_MATRIX_EBICSA);
- at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+ csa = at91_matrix_read(AT91_MATRIX_EBICSA);
+ at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
/* enable pin */
if (gpio_is_valid(data->enable_pin))
@@ -467,7 +389,7 @@ static struct i2c_gpio_platform_data pdata = {
static struct platform_device at91sam9260_twi_device = {
.name = "i2c-gpio",
- .id = -1,
+ .id = 0,
.dev.platform_data = &pdata,
};
@@ -492,21 +414,27 @@ static struct resource twi_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_TWI,
- .end = AT91SAM9260_ID_TWI,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9260_twi_device = {
- .name = "at91_i2c",
- .id = -1,
+ .id = 0,
.resource = twi_resources,
.num_resources = ARRAY_SIZE(twi_resources),
};
void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
{
+ /* IP version is not the same on 9260 and g20 */
+ if (cpu_is_at91sam9g20()) {
+ at91sam9260_twi_device.name = "i2c-at91sam9g20";
+ } else {
+ at91sam9260_twi_device.name = "i2c-at91sam9260";
+ }
+
/* pins used for TWI interface */
at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
at91_set_multi_drive(AT91_PIN_PA23, 1);
@@ -536,8 +464,8 @@ static struct resource spi0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_SPI0,
- .end = AT91SAM9260_ID_SPI0,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0,
.flags = IORESOURCE_IRQ,
},
};
@@ -562,8 +490,8 @@ static struct resource spi1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_SPI1,
- .end = AT91SAM9260_ID_SPI1,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1,
.flags = IORESOURCE_IRQ,
},
};
@@ -597,6 +525,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
else
cs_pin = spi1_standard_cs[devices[i].chip_select];
+ if (!gpio_is_valid(cs_pin))
+ continue;
+
if (devices[i].bus_num == 0)
enable_spi0 = 1;
else
@@ -641,22 +572,22 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
static struct resource tcb0_resources[] = {
[0] = {
.start = AT91SAM9260_BASE_TCB0,
- .end = AT91SAM9260_BASE_TCB0 + SZ_16K - 1,
+ .end = AT91SAM9260_BASE_TCB0 + SZ_256 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_TC0,
- .end = AT91SAM9260_ID_TC0,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0,
.flags = IORESOURCE_IRQ,
},
[2] = {
- .start = AT91SAM9260_ID_TC1,
- .end = AT91SAM9260_ID_TC1,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1,
.flags = IORESOURCE_IRQ,
},
[3] = {
- .start = AT91SAM9260_ID_TC2,
- .end = AT91SAM9260_ID_TC2,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2,
.flags = IORESOURCE_IRQ,
},
};
@@ -671,22 +602,22 @@ static struct platform_device at91sam9260_tcb0_device = {
static struct resource tcb1_resources[] = {
[0] = {
.start = AT91SAM9260_BASE_TCB1,
- .end = AT91SAM9260_BASE_TCB1 + SZ_16K - 1,
+ .end = AT91SAM9260_BASE_TCB1 + SZ_256 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_TC3,
- .end = AT91SAM9260_ID_TC3,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3,
.flags = IORESOURCE_IRQ,
},
[2] = {
- .start = AT91SAM9260_ID_TC4,
- .end = AT91SAM9260_ID_TC4,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4,
.flags = IORESOURCE_IRQ,
},
[3] = {
- .start = AT91SAM9260_ID_TC5,
- .end = AT91SAM9260_ID_TC5,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5,
.flags = IORESOURCE_IRQ,
},
};
@@ -717,18 +648,46 @@ static struct resource rtt_resources[] = {
.start = AT91SAM9260_BASE_RTT,
.end = AT91SAM9260_BASE_RTT + SZ_16 - 1,
.flags = IORESOURCE_MEM,
- }
+ }, {
+ .flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_IRQ,
+ },
};
static struct platform_device at91sam9260_rtt_device = {
.name = "at91_rtt",
.id = 0,
.resource = rtt_resources,
- .num_resources = ARRAY_SIZE(rtt_resources),
};
+
+#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
+static void __init at91_add_device_rtt_rtc(void)
+{
+ at91sam9260_rtt_device.name = "rtc-at91sam9";
+ /*
+ * The second resource is needed:
+ * GPBR will serve as the storage for RTC time offset
+ */
+ at91sam9260_rtt_device.num_resources = 3;
+ rtt_resources[1].start = AT91SAM9260_BASE_GPBR +
+ 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
+ rtt_resources[1].end = rtt_resources[1].start + 3;
+ rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+ rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
+}
+#else
+static void __init at91_add_device_rtt_rtc(void)
+{
+ /* Only one resource is needed: RTT not used as RTC */
+ at91sam9260_rtt_device.num_resources = 1;
+}
+#endif
+
static void __init at91_add_device_rtt(void)
{
+ at91_add_device_rtt_rtc();
platform_device_register(&at91sam9260_rtt_device);
}
@@ -776,14 +735,14 @@ static struct resource ssc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_SSC,
- .end = AT91SAM9260_ID_SSC,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9260_ssc_device = {
- .name = "ssc",
+ .name = "at91rm9200_ssc",
.id = 0,
.dev = {
.dma_mask = &ssc_dmamask,
@@ -851,8 +810,8 @@ static struct resource dbgu_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91_ID_SYS,
- .end = AT91_ID_SYS,
+ .start = NR_IRQS_LEGACY + AT91_ID_SYS,
+ .end = NR_IRQS_LEGACY + AT91_ID_SYS,
.flags = IORESOURCE_IRQ,
},
};
@@ -889,8 +848,8 @@ static struct resource uart0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US0,
- .end = AT91SAM9260_ID_US0,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US0,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US0,
.flags = IORESOURCE_IRQ,
},
};
@@ -940,8 +899,8 @@ static struct resource uart1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US1,
- .end = AT91SAM9260_ID_US1,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US1,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US1,
.flags = IORESOURCE_IRQ,
},
};
@@ -983,8 +942,8 @@ static struct resource uart2_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US2,
- .end = AT91SAM9260_ID_US2,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US2,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US2,
.flags = IORESOURCE_IRQ,
},
};
@@ -1026,8 +985,8 @@ static struct resource uart3_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US3,
- .end = AT91SAM9260_ID_US3,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US3,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US3,
.flags = IORESOURCE_IRQ,
},
};
@@ -1069,8 +1028,8 @@ static struct resource uart4_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US4,
- .end = AT91SAM9260_ID_US4,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US4,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US4,
.flags = IORESOURCE_IRQ,
},
};
@@ -1107,8 +1066,8 @@ static struct resource uart5_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US5,
- .end = AT91SAM9260_ID_US5,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US5,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US5,
.flags = IORESOURCE_IRQ,
},
};
@@ -1139,7 +1098,6 @@ static inline void configure_usart5_pins(void)
}
static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
-struct platform_device *atmel_default_console_device; /* the serial console device */
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
{
@@ -1185,14 +1143,6 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
at91_uarts[portnr] = pdev;
}
-void __init at91_set_serial_console(unsigned portnr)
-{
- if (portnr < ATMEL_MAX_UART) {
- atmel_default_console_device = at91_uarts[portnr];
- at91sam9260_set_console_clock(at91_uarts[portnr]->id);
- }
-}
-
void __init at91_add_device_serial(void)
{
int i;
@@ -1201,13 +1151,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
-
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
-void __init at91_set_serial_console(unsigned portnr) {}
void __init at91_add_device_serial(void) {}
#endif
@@ -1264,7 +1210,7 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
if (!data)
return;
- csa = at91_sys_read(AT91_MATRIX_EBICSA);
+ csa = at91_matrix_read(AT91_MATRIX_EBICSA);
switch (data->chipselect) {
case 4:
@@ -1287,7 +1233,7 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
return;
}
- at91_sys_write(AT91_MATRIX_EBICSA, csa);
+ at91_matrix_write(AT91_MATRIX_EBICSA, csa);
if (gpio_is_valid(data->rst_pin)) {
at91_set_multi_drive(data->rst_pin, 0);
@@ -1309,12 +1255,8 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
at91_set_A_periph(AT91_PIN_PC10, 0); /* CFRNW */
at91_set_A_periph(AT91_PIN_PC15, 1); /* NWAIT */
- if (data->flags & AT91_CF_TRUE_IDE)
-#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
+ if (IS_ENABLED(CONFIG_PATA_AT91) && (data->flags & AT91_CF_TRUE_IDE))
pdev->name = "pata_at91";
-#else
-#warning "board requires AT91_CF_TRUE_IDE: enable pata_at91"
-#endif
else
pdev->name = "at91_cf";
@@ -1325,6 +1267,84 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
void __init at91_add_device_cf(struct at91_cf_data * data) {}
#endif
+/* --------------------------------------------------------------------
+ * ADCs
+ * -------------------------------------------------------------------- */
+
+#if IS_ENABLED(CONFIG_AT91_ADC)
+static struct at91_adc_data adc_data;
+
+static struct resource adc_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_ADC,
+ .end = AT91SAM9260_BASE_ADC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91_adc_device = {
+ .name = "at91sam9260-adc",
+ .id = -1,
+ .dev = {
+ .platform_data = &adc_data,
+ },
+ .resource = adc_resources,
+ .num_resources = ARRAY_SIZE(adc_resources),
+};
+
+static struct at91_adc_trigger at91_adc_triggers[] = {
+ [0] = {
+ .name = "timer-counter-0",
+ .value = 0x1,
+ },
+ [1] = {
+ .name = "timer-counter-1",
+ .value = 0x3,
+ },
+ [2] = {
+ .name = "timer-counter-2",
+ .value = 0x5,
+ },
+ [3] = {
+ .name = "external",
+ .value = 0xd,
+ .is_external = true,
+ },
+};
+
+void __init at91_add_device_adc(struct at91_adc_data *data)
+{
+ if (!data)
+ return;
+
+ if (test_bit(0, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC0, 0);
+ if (test_bit(1, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC1, 0);
+ if (test_bit(2, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC2, 0);
+ if (test_bit(3, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC3, 0);
+
+ if (data->use_external_triggers)
+ at91_set_A_periph(AT91_PIN_PA22, 0);
+
+ data->startup_time = 10;
+ 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_adc(struct at91_adc_data *data) {}
+#endif
+
/* -------------------------------------------------------------------- */
/*
* These devices are always present and don't need any board-specific
@@ -1332,6 +1352,9 @@ void __init at91_add_device_cf(struct at91_cf_data * data) {}
*/
static int __init at91_add_standard_devices(void)
{
+ if (of_have_populated_dt())
+ return 0;
+
at91_add_device_rtt();
at91_add_device_watchdog();
at91_add_device_tc();
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 07:43:39 +0000