[U-Boot] [RESEND PATCH v10 10/10] usb: host: ohci-generic: add generic PHY support
patrice.chotard at st.com
patrice.chotard at st.com
Tue Jul 18 09:57:14 UTC 2017
From: Patrice Chotard <patrice.chotard at st.com>
Extend ohci-generic driver with generic PHY framework
Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
drivers/usb/host/ohci-generic.c | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c
index 95d54c1..9249039 100644
--- a/drivers/usb/host/ohci-generic.c
+++ b/drivers/usb/host/ohci-generic.c
@@ -8,6 +8,7 @@
#include <clk.h>
#include <dm.h>
#include <dm/ofnode.h>
+#include <generic-phy.h>
#include <reset.h>
#include "ohci.h"
@@ -19,6 +20,7 @@ struct generic_ohci {
ohci_t ohci;
struct clk *clocks; /* clock list */
struct reset_ctl *resets; /* reset list */
+ struct phy phy;
int clock_count; /* number of clock in clock list */
int reset_count; /* number of reset in reset list */
};
@@ -83,12 +85,33 @@ static int ohci_usb_probe(struct udevice *dev)
goto clk_err;
}
+ err = generic_phy_get_by_index(dev, 0, &priv->phy);
+ if (err) {
+ if (err != -ENOENT) {
+ error("failed to get usb phy\n");
+ goto reset_err;
+ }
+ }
+
+ err = generic_phy_init(&priv->phy);
+ if (err) {
+ error("failed to init usb phy\n");
+ goto reset_err;
+ }
+
err = ohci_register(dev, regs);
if (err)
- goto reset_err;
+ goto phy_err;
return 0;
+phy_err:
+ if (generic_phy_valid(&priv->phy)) {
+ ret = generic_phy_exit(&priv->phy);
+ if (ret)
+ error("failed to release phy\n");
+ }
+
reset_err:
ret = reset_release_all(priv->resets, priv->reset_count);
if (ret)
@@ -110,6 +133,12 @@ static int ohci_usb_remove(struct udevice *dev)
if (ret)
return ret;
+ if (generic_phy_valid(&priv->phy)) {
+ ret = generic_phy_exit(&priv->phy);
+ if (ret)
+ return ret;
+ }
+
ret = reset_release_all(priv->resets, priv->reset_count);
if (ret)
return ret;
--
1.9.1
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