[U-Boot] [PATCH v2 3/5] usb: host: extend generic EHCI driver with PHY
patrice.chotard at st.com
patrice.chotard at st.com
Fri May 12 17:27:55 UTC 2017
From: Patrice Chotard <patrice.chotard at st.com>
Add support of generic PHY framework
Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
---
v2: _ split previous path 1, add generic PHY framework
drivers/usb/host/ehci-generic.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c
index 0c29f63..0000808 100644
--- a/drivers/usb/host/ehci-generic.c
+++ b/drivers/usb/host/ehci-generic.c
@@ -6,6 +6,8 @@
#include <common.h>
#include <clk.h>
+#include <fdtdec.h>
+#include <generic-phy.h>
#include <reset.h>
#include <asm/io.h>
#include <dm.h>
@@ -23,6 +25,7 @@ struct generic_ehci {
struct ehci_ctrl ctrl;
struct clk clks[EHCI_MAX_CLOCKS];
struct reset_ctl resets[EHCI_MAX_RESETS];
+ struct phy phy;
};
static void ehci_assert_resets(struct udevice *dev) {
@@ -92,6 +95,10 @@ static int ehci_usb_probe(struct udevice *dev)
reset_free(&reset);
}
+ if (!generic_phy_get_by_index(dev, 0, &priv->phy))
+ if (generic_phy_init(&priv->phy))
+ error("failed to init usb phy %d\n", i);
+
hccr = map_physmem(dev_get_addr(dev), 0x100, MAP_NOCACHE);
hcor = (struct ehci_hcor *)((uintptr_t)hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
@@ -100,6 +107,8 @@ static int ehci_usb_probe(struct udevice *dev)
if (!ret)
return ret;
+ generic_phy_exit(&priv->phy);
+
reset_err:
ehci_assert_resets(dev);
clk_err:
@@ -109,7 +118,9 @@ clk_err:
}
static int ehci_usb_remove(struct udevice *dev) {
+ struct generic_ehci *priv = dev_get_priv(dev);
+ generic_phy_exit(&priv->phy);
ehci_assert_resets(dev);
ehci_disable_clocks(dev);
--
1.9.1
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