Identify soc(s) having dual phy so as to add "utmi_dual" as phy_mode
for all these socs. This is required for supporting deel-sleep feature
in linux for usb driver
Signed-off-by: Ramneek Mehresh <ramneek.mehr...@freescale.com>
Signed-off-by: Nikhil Badola <nikhil.bad...@freescale.com>
---
drivers/usb/host/ehci-fsl.c | 7 ++++++-
include/fsl_usb.h | 32 ++++++++++++++++++++++++++++++++
2 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 5d4288d..ed83eb4 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -259,7 +259,7 @@ static int fdt_fixup_usb_erratum(void *blob, const char
*prop_erratum,
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
static const char * const modes[] = { "host", "peripheral", "otg" };
- static const char * const phys[] = { "ulpi", "utmi" };
+ static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" };
int usb_erratum_a006261_off = -1;
int usb_erratum_a007075_off = -1;
int usb_erratum_a007792_off = -1;
@@ -303,6 +303,9 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
dr_phy_type = phys[phy_idx];
}
+ if (has_dual_phy())
+ dr_phy_type = phys[2];
+
usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
dr_mode_type, NULL,
usb_mode_off);
@@ -325,6 +328,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
if (usb_erratum_a006261_off < 0)
return;
}
+
if (has_erratum_a007075()) {
usb_erratum_a007075_off = fdt_fixup_usb_erratum
(blob,
@@ -333,6 +337,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
if (usb_erratum_a007075_off < 0)
return;
}
+
if (has_erratum_a007792()) {
usb_erratum_a007792_off = fdt_fixup_usb_erratum
(blob,
diff --git a/include/fsl_usb.h b/include/fsl_usb.h
index d251f5d..d24ffa7 100644
--- a/include/fsl_usb.h
+++ b/include/fsl_usb.h
@@ -87,6 +87,33 @@ struct ccsr_usb_phy {
/* USB Erratum Checking code */
#ifdef CONFIG_PPC
+static inline bool has_dual_phy(void)
+{
+ u32 svr = get_svr();
+ u32 soc = SVR_SOC_VER(svr);
+
+ switch (soc) {
+ case SVR_T1023:
+ case SVR_T1024:
+ case SVR_T1013:
+ case SVR_T1014:
+ return IS_SVR_REV(svr, 1, 0);
+ case SVR_T1040:
+ case SVR_T1042:
+ case SVR_T1020:
+ case SVR_T1022:
+ case SVR_T2080:
+ case SVR_T2081:
+ return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1);
+ case SVR_T4240:
+ case SVR_T4160:
+ case SVR_T4080:
+ return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0);
+ }
+
+ return false;
+}
+
static inline bool has_erratum_a006261(void)
{
u32 svr = get_svr();
@@ -165,6 +192,11 @@ static inline bool has_erratum_a007792(void)
}
#else
+static inline bool has_dual_phy(void)
+{
+ return false;
+}
+
static inline bool has_erratum_a006261(void)
{
return false;
--
1.7.11.7
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