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usb: host: ohci-generic: add generic PHY support

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Extend ohci-generic driver with generic PHY framework

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Patrice Chotard 2017-07-18 11:57:14 +02:00 committed by Marek Vasut
parent 8a51b4b3da
commit 28df1cfddd
1 changed files with 30 additions and 1 deletions
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31
drivers/usb/host/ohci-generic.c
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@ -8,6 +8,7 @@
#include <clk.h> #include <clk.h>
#include <dm.h> #include <dm.h>
#include <dm/ofnode.h> #include <dm/ofnode.h>
#include <generic-phy.h>
#include <reset.h> #include <reset.h>
#include "ohci.h" #include "ohci.h"
@ -19,6 +20,7 @@ struct generic_ohci {
ohci_t ohci; ohci_t ohci;
struct clk *clocks; /* clock list */ struct clk *clocks; /* clock list */
struct reset_ctl *resets; /* reset list */ struct reset_ctl *resets; /* reset list */
struct phy phy;
int clock_count; /* number of clock in clock list */ int clock_count; /* number of clock in clock list */
int reset_count; /* number of reset in reset 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; 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); err = ohci_register(dev, regs);
if (err) if (err)
goto reset_err; goto phy_err;
return 0; 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: reset_err:
ret = reset_release_all(priv->resets, priv->reset_count); ret = reset_release_all(priv->resets, priv->reset_count);
if (ret) if (ret)
@ -110,6 +133,12 @@ static int ohci_usb_remove(struct udevice *dev)
if (ret) if (ret)
return 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); ret = reset_release_all(priv->resets, priv->reset_count);
if (ret) if (ret)
return ret; return ret;