* [PATCH] USB ULPI updates
@ 2012-12-17 7:44 Sascha Hauer
2012-12-17 7:44 ` [PATCH 1/2] USB ULPI: Add missing ulpi_write function Sascha Hauer
2012-12-17 7:44 ` [PATCH 2/2] USB ULPI: Add more register/bit defines Sascha Hauer
0 siblings, 2 replies; 3+ messages in thread
From: Sascha Hauer @ 2012-12-17 7:44 UTC (permalink / raw)
To: barebox
The following are some updates to the ULPI support. These were
hidden in the Efika Smartbook patches. Here they are separately
Sascha
----------------------------------------------------------------
Sascha Hauer (2):
USB ULPI: Add missing ulpi_write function
USB ULPI: Add more register/bit defines
drivers/usb/otg/ulpi.c | 33 +++++++++++++++++++++++++--------
include/usb/ulpi.h | 43 +++++++++++++++++++++++++++++++++++--------
2 files changed, 60 insertions(+), 16 deletions(-)
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 1/2] USB ULPI: Add missing ulpi_write function
2012-12-17 7:44 [PATCH] USB ULPI updates Sascha Hauer
@ 2012-12-17 7:44 ` Sascha Hauer
2012-12-17 7:44 ` [PATCH 2/2] USB ULPI: Add more register/bit defines Sascha Hauer
1 sibling, 0 replies; 3+ messages in thread
From: Sascha Hauer @ 2012-12-17 7:44 UTC (permalink / raw)
To: barebox
We currently only have functions to read/modify registers. Add a
function to write registers.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/usb/otg/ulpi.c | 17 +++++++++++++++++
include/usb/ulpi.h | 1 +
2 files changed, 18 insertions(+)
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index 61cbada..badb05b 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -111,6 +111,23 @@ int ulpi_clear(u8 bits, int reg, void __iomem *view)
}
EXPORT_SYMBOL(ulpi_clear);
+int ulpi_write(u8 bits, int reg, void __iomem *view)
+{
+ int ret;
+
+ writel((ULPIVW_RUN | ULPIVW_WRITE |
+ (reg << ULPIVW_ADDR_SHIFT) |
+ ((bits & ULPIVW_WDATA_MASK) << ULPIVW_WDATA_SHIFT)),
+ view);
+
+ /* wait for completion */
+ ret = ulpi_poll(view, ULPIVW_RUN);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+EXPORT_SYMBOL(ulpi_write);
+
struct ulpi_info {
uint32_t id;
char *name;
diff --git a/include/usb/ulpi.h b/include/usb/ulpi.h
index 542993c..7c868a5 100644
--- a/include/usb/ulpi.h
+++ b/include/usb/ulpi.h
@@ -1,6 +1,7 @@
#ifndef __MACH_ULPI_H
#define __MACH_ULPI_H
+int ulpi_write(u8 bits, int reg, void __iomem *view);
int ulpi_set(u8 bits, int reg, void __iomem *view);
int ulpi_clear(u8 bits, int reg, void __iomem *view);
int ulpi_read(int reg, void __iomem *view);
--
1.7.10.4
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 2/2] USB ULPI: Add more register/bit defines
2012-12-17 7:44 [PATCH] USB ULPI updates Sascha Hauer
2012-12-17 7:44 ` [PATCH 1/2] USB ULPI: Add missing ulpi_write function Sascha Hauer
@ 2012-12-17 7:44 ` Sascha Hauer
1 sibling, 0 replies; 3+ messages in thread
From: Sascha Hauer @ 2012-12-17 7:44 UTC (permalink / raw)
To: barebox
Make the register defines for ULPI more complete. Also, Add a proper
ULPI_* Namespace to the existing defines.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/usb/otg/ulpi.c | 16 ++++++++--------
include/usb/ulpi.h | 42 ++++++++++++++++++++++++++++++++++--------
2 files changed, 42 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index badb05b..19f64e0 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -178,18 +178,18 @@ int ulpi_set_vbus(void __iomem *view, int on)
int ret;
if (on) {
- ret = ulpi_set(DRV_VBUS_EXT | /* enable external Vbus */
- DRV_VBUS | /* enable internal Vbus */
- USE_EXT_VBUS_IND | /* use external indicator */
- CHRG_VBUS, /* charge Vbus */
+ ret = ulpi_set(ULPI_OTG_DRV_VBUS_EXT | /* enable external Vbus */
+ ULPI_OTG_DRV_VBUS | /* enable internal Vbus */
+ ULPI_OTG_USE_EXT_VBUS_IND | /* use external indicator */
+ ULPI_OTG_CHRG_VBUS, /* charge Vbus */
ULPI_OTGCTL, view);
} else {
- ret = ulpi_clear(DRV_VBUS_EXT | /* disable external Vbus */
- DRV_VBUS, /* disable internal Vbus */
+ ret = ulpi_clear(ULPI_OTG_DRV_VBUS_EXT | /* disable external Vbus */
+ ULPI_OTG_DRV_VBUS, /* disable internal Vbus */
ULPI_OTGCTL, view);
- ret |= ulpi_set(USE_EXT_VBUS_IND | /* use external indicator */
- DISCHRG_VBUS, /* discharge Vbus */
+ ret |= ulpi_set(ULPI_OTG_USE_EXT_VBUS_IND | /* use external indicator */
+ ULPI_OTG_DISCHRG_VBUS, /* discharge Vbus */
ULPI_OTGCTL, view);
}
diff --git a/include/usb/ulpi.h b/include/usb/ulpi.h
index 7c868a5..e45ea6e 100644
--- a/include/usb/ulpi.h
+++ b/include/usb/ulpi.h
@@ -12,6 +12,7 @@ int ulpi_setup(void __iomem *view, int on);
#define ULPI_VID_HIGH 0x01 /* Vendor ID high */
#define ULPI_PID_LOW 0x02 /* Product ID low */
#define ULPI_PID_HIGH 0x03 /* Product ID high */
+#define ULPI_FUNCTION_CTRL 0x04
#define ULPI_ITFCTL 0x07 /* Interface Control */
#define ULPI_OTGCTL 0x0A /* OTG Control */
@@ -19,15 +20,40 @@ int ulpi_setup(void __iomem *view, int on);
#define ULPI_REG_SET 0x01
#define ULPI_REG_CLEAR 0x02
+/* Function Control */
+#define ULPI_FC_XCVRSEL_MASK (3 << 0)
+#define ULPI_FC_HIGH_SPEED (0 << 0)
+#define ULPI_FC_FULL_SPEED (1 << 0)
+#define ULPI_FC_LOW_SPEED (2 << 0)
+#define ULPI_FC_FS4LS (3 << 0)
+#define ULPI_FC_TERMSELECT (1 << 2)
+#define ULPI_FC_OPMODE_MASK (3 << 3)
+#define ULPI_FC_OPMODE_NORMAL (0 << 3)
+#define ULPI_FC_OPMODE_NONDRIVING (1 << 3)
+#define ULPI_FC_OPMODE_DISABLE_NRZI (2 << 3)
+#define ULPI_FC_OPMODE_NOSYNC_NOEOP (3 << 3)
+#define ULPI_FC_RESET (1 << 5)
+#define ULPI_FC_SUSPENDM (1 << 6)
+
+/* Interface Control */
+#define ULPI_IFACE_6_PIN_SERIAL_MODE (1 << 0)
+#define ULPI_IFACE_3_PIN_SERIAL_MODE (1 << 1)
+#define ULPI_IFACE_CARKITMODE (1 << 2)
+#define ULPI_IFACE_CLOCKSUSPENDM (1 << 3)
+#define ULPI_IFACE_AUTORESUME (1 << 4)
+#define ULPI_IFACE_EXTVBUS_COMPLEMENT (1 << 5)
+#define ULPI_IFACE_PASSTHRU (1 << 6)
+#define ULPI_IFACE_PROTECT_IFC_DISABLE (1 << 7)
+
/* ULPI OTG Control Register bits */
-#define USE_EXT_VBUS_IND (1 << 7) /* Use ext. Vbus indicator */
-#define DRV_VBUS_EXT (1 << 6) /* Drive Vbus external */
-#define DRV_VBUS (1 << 5) /* Drive Vbus */
-#define CHRG_VBUS (1 << 4) /* Charge Vbus */
-#define DISCHRG_VBUS (1 << 3) /* Discharge Vbus */
-#define DM_PULL_DOWN (1 << 2) /* enable DM Pull Down */
-#define DP_PULL_DOWN (1 << 1) /* enable DP Pull Down */
-#define ID_PULL_UP (1 << 0) /* enable ID Pull Up */
+#define ULPI_OTG_USE_EXT_VBUS_IND (1 << 7) /* Use ext. Vbus indicator */
+#define ULPI_OTG_DRV_VBUS_EXT (1 << 6) /* Drive Vbus external */
+#define ULPI_OTG_DRV_VBUS (1 << 5) /* Drive Vbus */
+#define ULPI_OTG_CHRG_VBUS (1 << 4) /* Charge Vbus */
+#define ULPI_OTG_DISCHRG_VBUS (1 << 3) /* Discharge Vbus */
+#define ULPI_OTG_DM_PULL_DOWN (1 << 2) /* enable DM Pull Down */
+#define ULPI_OTG_DP_PULL_DOWN (1 << 1) /* enable DP Pull Down */
+#define ULPI_OTG_ID_PULL_UP (1 << 0) /* enable ID Pull Up */
#endif /* __MACH_ULPI_H */
--
1.7.10.4
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