[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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