Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
---
arch/arm/mach-at91/at91rm9200_devices.c | 32 +++++++++++++++++++++
arch/arm/mach-at91/at91sam9260_devices.c | 44 +++++++++++++++++++++++++++++
arch/arm/mach-at91/at91sam9261_devices.c | 44 +++++++++++++++++++++++++++++
arch/arm/mach-at91/at91sam9263_devices.c | 45 ++++++++++++++++++++++++++++++
arch/arm/mach-at91/at91sam9g45_devices.c | 21 ++++++-------
5 files changed, 175 insertions(+), 11 deletions(-)
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c
b/arch/arm/mach-at91/at91rm9200_devices.c
index 68bcffc..1fc78ab 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -154,6 +154,38 @@ void __init at91_add_device_nand(struct atmel_nand_data
*data) {}
#endif
/* --------------------------------------------------------------------
+ * SPI
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_SPI_ATMEL)
+void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
+{
+ int i;
+ int cs_pin;
+
+ BUG_ON(spi_id > 0);
+
+ for (i = 0; i < pdata->num_chipselect; i++) {
+ cs_pin = pdata->chipselect[i];
+
+ /* enable chip-select pin */
+ if (cs_pin > 0)
+ at91_set_gpio_output(cs_pin, 1);
+ }
+
+ at91_set_A_periph(AT91_PIN_PA0, 0); /* MISO */
+ at91_set_A_periph(AT91_PIN_PA1, 0); /* MOSI */
+ at91_set_A_periph(AT91_PIN_PA2, 0); /* SPCK */
+
+ add_generic_device("atmel_spi", spi_id, NULL, AT91RM9200_BASE_SPI,
+ SZ_16K, IORESOURCE_MEM, pdata);
+}
+#else
+void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data
*pdata) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c
b/arch/arm/mach-at91/at91sam9260_devices.c
index 8e8ea3b..695a3ee 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -150,6 +150,50 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
+/* --------------------------------------------------------------------
+ * SPI
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_SPI_ATMEL)
+void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data
*pdata)
+{
+ int i;
+ int cs_pin;
+ resource_size_t start = ~0;
+
+ BUG_ON(spi_id > 1);
+
+ for (i = 0; i < pdata->num_chipselect; i++) {
+ cs_pin = pdata->chipselect[i];
+
+ /* enable chip-select pin */
+ if (cs_pin > 0)
+ at91_set_gpio_output(cs_pin, 1);
+ }
+
+ /* Configure SPI bus(es) */
+ switch (spi_id) {
+ case 0:
+ start = AT91SAM9260_BASE_SPI0;
+ at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
+ at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
+ at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */
+ break;
+ case 1:
+ start = AT91SAM9260_BASE_SPI1;
+ at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */
+ at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
+ at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
+ break;
+ }
+
+ add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
+ IORESOURCE_MEM, pdata);
+}
+#else
+void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data
*pdata) {}
+#endif
+
static inline void configure_dbgu_pins(void)
{
at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c
b/arch/arm/mach-at91/at91sam9261_devices.c
index ff7a938..3f55e2e 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -102,6 +102,50 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
+/* --------------------------------------------------------------------
+ * SPI
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_SPI_ATMEL)
+void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
+{
+ int i;
+ int cs_pin;
+ resource_size_t start = ~0;
+
+ BUG_ON(spi_id > 1);
+
+ for (i = 0; i < pdata->num_chipselect; i++) {
+ cs_pin = pdata->chipselect[i];
+
+ /* enable chip-select pin */
+ if (cs_pin > 0)
+ at91_set_gpio_output(cs_pin, 1);
+ }
+
+ /* Configure SPI bus(es) */
+ switch (spi_id) {
+ case 0:
+ start = AT91SAM9261_BASE_SPI0;
+ at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
+ at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
+ at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
+ break;
+ case 1:
+ start = AT91SAM9213_BASE_SPI1;
+ at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */
+ at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */
+ at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */
+ break;
+ }
+
+ add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
+ IORESOURCE_MEM, pdata);
+}
+#else
+void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data
*pdata) {}
+#endif
+
static inline void configure_dbgu_pins(void)
{
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c
b/arch/arm/mach-at91/at91sam9263_devices.c
index d447e24..ce6221d 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -152,6 +152,50 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
+/* --------------------------------------------------------------------
+ * SPI
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_SPI_ATMEL)
+void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
+{
+ int i;
+ int cs_pin;
+ resource_size_t start = ~0;
+
+ BUG_ON(spi_id > 1);
+
+ for (i = 0; i < pdata->num_chipselect; i++) {
+ cs_pin = pdata->chipselect[i];
+
+ /* enable chip-select pin */
+ if (cs_pin > 0)
+ at91_set_gpio_output(cs_pin, 1);
+ }
+
+ /* Configure SPI bus(es) */
+ switch (spi_id) {
+ case 0:
+ start = AT91SAM9263_BASE_SPI0;
+ at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
+ at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
+ at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
+ break;
+ case 1:
+ start = AT91SAM9263_BASE_SPI1;
+ at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */
+ at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
+ at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
+ break;
+ }
+
+ add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
+ IORESOURCE_MEM, pdata);
+}
+#else
+void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data
*pdata) {}
+#endif
+
static inline void configure_dbgu_pins(void)
{
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
@@ -284,3 +328,4 @@ void at91_add_device_mci(short mmc_id, struct
atmel_mci_platform_data *data)
#else
void at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data *data) {}
#endif
+
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c
b/arch/arm/mach-at91/at91sam9g45_devices.c
index 5f1a45a..d087e1f 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -299,7 +299,9 @@ void at91_add_device_spi(int spi_id, struct
at91_spi_platform_data *pdata)
{
int i;
int cs_pin;
- resource_size_t start;
+ resource_size_t start = ~0;
+
+ BUG_ON(spi_id > 1);
for (i = 0; i < pdata->num_chipselect; i++) {
cs_pin = pdata->chipselect[i];
@@ -310,27 +312,24 @@ void at91_add_device_spi(int spi_id, struct
at91_spi_platform_data *pdata)
}
/* Configure SPI bus(es) */
- if (spi_id == 0) {
+ switch (spi_id) {
+ case 0:
start = AT91SAM9G45_BASE_SPI0;
at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI0_MISO */
at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */
at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */
-
- add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
- IORESOURCE_MEM, pdata);
- }
-
- else if (spi_id == 1) {
+ break;
+ case 1:
start = AT91SAM9G45_BASE_SPI1;
at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_MISO */
at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */
at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */
+ break;
+ }
- add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
+ add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
- }
}
-
#else
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
--
1.7.7
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