usb: host: ehci-generic: add generic PHY support
Extend ehci-generic driver with generic PHY framework
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c
index e058445..3f751f1 100644
--- a/drivers/usb/host/ehci-generic.c
+++ b/drivers/usb/host/ehci-generic.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <clk.h>
#include <dm/ofnode.h>
+#include <generic-phy.h>
#include <reset.h>
#include <asm/io.h>
#include <dm.h>
@@ -21,6 +22,7 @@
struct ehci_ctrl ctrl;
struct clk *clocks;
struct reset_ctl *resets;
+ struct phy phy;
int clock_count;
int reset_count;
};
@@ -91,16 +93,37 @@
}
}
+ 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;
+ }
+
hccr = map_physmem(devfdt_get_addr(dev), 0x100, MAP_NOCACHE);
hcor = (struct ehci_hcor *)((uintptr_t)hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
err = ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
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)
@@ -122,6 +145,12 @@
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;