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-rw-r--r--arch/arm/mach-omap1/board-osk.c74
1 files changed, 62 insertions, 12 deletions
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 4df15e693b6e..76684b7a4e87 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -26,6 +26,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
@@ -41,20 +42,22 @@
#include <linux/mfd/tps65010.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/omap1_bl.h>
+#include <linux/soc/ti/omap1-io.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include "tc.h"
#include "flash.h"
-#include <mach/mux.h>
-#include <mach/tc.h>
-
-#include <mach/hardware.h>
-#include <mach/usb.h>
-
+#include "mux.h"
+#include "hardware.h"
+#include "usb.h"
#include "common.h"
+/* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
+#define OMAP_GPIO_LABEL "gpio-0-15"
+
/* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
#define OMAP_OSK_ETHR_START 0x04800300
@@ -149,14 +152,14 @@ static struct resource osk5912_cf_resources[] = {
[0] = {
.flags = IORESOURCE_IRQ,
},
+ [1] = {
+ .flags = IORESOURCE_MEM,
+ },
};
static struct platform_device osk5912_cf_device = {
.name = "omap_cf",
.id = -1,
- .dev = {
- .platform_data = (void *) 2 /* CS2 */,
- },
.num_resources = ARRAY_SIZE(osk5912_cf_resources),
.resource = osk5912_cf_resources,
};
@@ -199,6 +202,8 @@ static int osk_tps_setup(struct i2c_client *client, void *context)
*/
gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
+ /* Free the GPIO again as the driver will request it */
+ gpio_free(OSK_TPS_GPIO_USB_PWR_EN);
/* Set GPIO 2 high so LED D3 is off by default */
tps65010_set_gpio_out_value(GPIO2, HIGH);
@@ -240,7 +245,9 @@ static struct tps65010_board tps_board = {
static struct i2c_board_info __initdata osk_i2c_board_info[] = {
{
+ /* This device will get the name "i2c-tps65010" */
I2C_BOARD_INFO("tps65010", 0x48),
+ .dev_name = "tps65010",
.platform_data = &tps_board,
},
@@ -267,17 +274,55 @@ static void __init osk_init_smc91x(void)
omap_writel(l, EMIFS_CCS(1));
}
-static void __init osk_init_cf(void)
+static void __init osk_init_cf(int seg)
{
+ struct resource *res = &osk5912_cf_resources[1];
+
omap_cfg_reg(M7_1610_GPIO62);
if ((gpio_request(62, "cf_irq")) < 0) {
printk("Error requesting gpio 62 for CF irq\n");
return;
}
+
+ switch (seg) {
+ /* NOTE: CS0 could be configured too ... */
+ case 1:
+ res->start = OMAP_CS1_PHYS;
+ break;
+ case 2:
+ res->start = OMAP_CS2_PHYS;
+ break;
+ case 3:
+ res->start = omap_cs3_phys();
+ break;
+ }
+
+ res->end = res->start + SZ_8K - 1;
+ osk5912_cf_device.dev.platform_data = (void *)(uintptr_t)seg;
+
+ /* NOTE: better EMIFS setup might support more cards; but the
+ * TRM only shows how to affect regular flash signals, not their
+ * CF/PCMCIA variants...
+ */
+ pr_debug("%s: cs%d, previous ccs %08x acs %08x\n", __func__,
+ seg, omap_readl(EMIFS_CCS(seg)), omap_readl(EMIFS_ACS(seg)));
+ omap_writel(0x0004a1b3, EMIFS_CCS(seg)); /* synch mode 4 etc */
+ omap_writel(0x00000000, EMIFS_ACS(seg)); /* OE hold/setup */
+
/* the CF I/O IRQ is really active-low */
irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
}
+static struct gpiod_lookup_table osk_usb_gpio_table = {
+ .dev_id = "ohci",
+ .table = {
+ /* Power GPIO on the I2C-attached TPS65010 */
+ GPIO_LOOKUP("tps65010", 0, "power", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent",
+ GPIO_ACTIVE_HIGH),
+ },
+};
+
static struct omap_usb_config osk_usb_config __initdata = {
/* has usb host connector (A) ... for development it can also
* be used, with a NONSTANDARD gender-bending cable/dongle, as
@@ -314,11 +359,15 @@ static const struct property_entry mistral_at24_properties[] = {
{ }
};
+static const struct software_node mistral_at24_node = {
+ .properties = mistral_at24_properties,
+};
+
static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
{
/* NOTE: powered from LCD supply */
I2C_BOARD_INFO("24c04", 0x50),
- .properties = mistral_at24_properties,
+ .swnode = &mistral_at24_node,
},
/* TODO when driver support is ready:
* - optionally ov9640 camera sensor at 0x30
@@ -558,7 +607,7 @@ static void __init osk_init(void)
u32 l;
osk_init_smc91x();
- osk_init_cf();
+ osk_init_cf(2); /* CS2 */
/* Workaround for wrong CS3 (NOR flash) timing
* There are some U-Boot versions out there which configure
@@ -581,6 +630,7 @@ static void __init osk_init(void)
l |= (3 << 1);
omap_writel(l, USB_TRANSCEIVER_CTRL);
+ gpiod_add_lookup_table(&osk_usb_gpio_table);
omap1_usb_init(&osk_usb_config);
/* irq for tps65010 chip */