summaryrefslogtreecommitdiffstats
path: root/arch/avr32/mach-at32ap/at32ap700x.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap700x.c')
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c108
1 files changed, 90 insertions, 18 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 604f44f5dd1..1617048c86c 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
@@ -1285,7 +1286,6 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
struct mci_platform_data _data;
struct platform_device *pdev;
- struct dw_dma_slave *dws;
if (id != 0)
return NULL;
@@ -1300,7 +1300,9 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
if (!data) {
data = &_data;
- memset(data, 0, sizeof(struct mci_platform_data));
+ memset(data, -1, sizeof(struct mci_platform_data));
+ data->detect_pin = GPIO_PIN_NONE;
+ data->wp_pin = GPIO_PIN_NONE;
}
if (platform_device_add_data(pdev, data,
@@ -1314,12 +1316,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
- if (data) {
- if (data->detect_pin != GPIO_PIN_NONE)
- at32_select_gpio(data->detect_pin, 0);
- if (data->wp_pin != GPIO_PIN_NONE)
- at32_select_gpio(data->wp_pin, 0);
- }
+ if (gpio_is_valid(data->detect_pin))
+ at32_select_gpio(data->detect_pin, 0);
+ if (gpio_is_valid(data->wp_pin))
+ at32_select_gpio(data->wp_pin, 0);
atmel_mci0_pclk.dev = &pdev->dev;
@@ -1853,11 +1853,11 @@ at32_add_device_cf(unsigned int id, unsigned int extint,
if (at32_init_ide_or_cf(pdev, data->cs, extint))
goto fail;
- if (data->detect_pin != GPIO_PIN_NONE)
+ if (gpio_is_valid(data->detect_pin))
at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH);
- if (data->reset_pin != GPIO_PIN_NONE)
+ if (gpio_is_valid(data->reset_pin))
at32_select_gpio(data->reset_pin, 0);
- if (data->vcc_pin != GPIO_PIN_NONE)
+ if (gpio_is_valid(data->vcc_pin))
at32_select_gpio(data->vcc_pin, 0);
/* READY is used as extint, so we can't select it as gpio */
@@ -1871,6 +1871,58 @@ fail:
#endif
/* --------------------------------------------------------------------
+ * NAND Flash / SmartMedia
+ * -------------------------------------------------------------------- */
+static struct resource smc_cs3_resource[] __initdata = {
+ {
+ .start = 0x0c000000,
+ .end = 0x0fffffff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = 0xfff03c00,
+ .end = 0xfff03fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device *__init
+at32_add_device_nand(unsigned int id, struct atmel_nand_data *data)
+{
+ struct platform_device *pdev;
+
+ if (id != 0 || !data)
+ return NULL;
+
+ pdev = platform_device_alloc("atmel_nand", id);
+ if (!pdev)
+ goto fail;
+
+ if (platform_device_add_resources(pdev, smc_cs3_resource,
+ ARRAY_SIZE(smc_cs3_resource)))
+ goto fail;
+
+ if (platform_device_add_data(pdev, data,
+ sizeof(struct atmel_nand_data)))
+ goto fail;
+
+ set_ebi_sfr_bits(HMATRIX_BIT(CS3A));
+ if (data->enable_pin)
+ at32_select_gpio(data->enable_pin,
+ AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+ if (data->rdy_pin)
+ at32_select_gpio(data->rdy_pin, 0);
+ if (data->det_pin)
+ at32_select_gpio(data->det_pin, 0);
+
+ platform_device_add(pdev);
+ return pdev;
+
+fail:
+ platform_device_put(pdev);
+ return NULL;
+}
+
+/* --------------------------------------------------------------------
* AC97C
* -------------------------------------------------------------------- */
static struct resource atmel_ac97c0_resource[] __initdata = {
@@ -1885,9 +1937,11 @@ static struct clk atmel_ac97c0_pclk = {
.index = 10,
};
-struct platform_device *__init at32_add_device_ac97c(unsigned int id)
+struct platform_device *__init
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
{
struct platform_device *pdev;
+ struct ac97c_platform_data _data;
if (id != 0)
return NULL;
@@ -1898,19 +1952,37 @@ struct platform_device *__init at32_add_device_ac97c(unsigned int id)
if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
ARRAY_SIZE(atmel_ac97c0_resource)))
- goto err_add_resources;
+ goto fail;
- select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */
- select_peripheral(PB(21), PERIPH_B, 0); /* SDO */
- select_peripheral(PB(22), PERIPH_B, 0); /* SDI */
- select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */
+ if (!data) {
+ data = &_data;
+ memset(data, 0, sizeof(struct ac97c_platform_data));
+ data->reset_pin = GPIO_PIN_NONE;
+ }
+
+ data->dma_rx_periph_id = 3;
+ data->dma_tx_periph_id = 4;
+ data->dma_controller_id = 0;
+
+ if (platform_device_add_data(pdev, data,
+ sizeof(struct ac97c_platform_data)))
+ goto fail;
+
+ select_peripheral(PB(20), PERIPH_B, 0); /* SDO */
+ select_peripheral(PB(21), PERIPH_B, 0); /* SYNC */
+ select_peripheral(PB(22), PERIPH_B, 0); /* SCLK */
+ select_peripheral(PB(23), PERIPH_B, 0); /* SDI */
+
+ /* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */
+ if (data->reset_pin != GPIO_PIN_NONE)
+ at32_select_gpio(data->reset_pin, 0);
atmel_ac97c0_pclk.dev = &pdev->dev;
platform_device_add(pdev);
return pdev;
-err_add_resources:
+fail:
platform_device_put(pdev);
return NULL;
}