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phy: phy-rockchip-inno-usb2: live-tree support 

This change adds child node bind to support live-tree feature.

Change-Id: Ida629ad281f09673e19ee8beb125792f8b0c60a2
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
This commit is contained in:
Frank Wang 2018-02-23 16:17:27 +08:00 committed by Kever Yang
parent ee0a9610b2
commit 9b3cc842e7
1 changed files with 60 additions and 11 deletions
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71
drivers/phy/phy-rockchip-inno-usb2.c
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@ -6,6 +6,7 @@
#include <common.h>
#include <dm.h>
#include <dm/lists.h>
#include <generic-phy.h>
#include <syscon.h>
#include <asm/io.h>
@ -371,12 +372,10 @@ void otg_phy_init(struct dwc2_udc *dev)
static int rockchip_usb2phy_init(struct phy *phy)
{
struct rockchip_usb2phy *rphy;
struct udevice *parent = phy->dev->parent;
struct rockchip_usb2phy *rphy = dev_get_priv(parent);
const struct rockchip_usb2phy_port_cfg *port_cfg;
void __iomem *base;
rphy = dev_get_priv(phy->dev);
base = get_reg_base(rphy);
void __iomem *base = get_reg_base(rphy);
if (phy->id == USB2PHY_PORT_OTG) {
port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
@ -397,12 +396,10 @@ static int rockchip_usb2phy_init(struct phy *phy)
static int rockchip_usb2phy_exit(struct phy *phy)
{
struct rockchip_usb2phy *rphy;
struct udevice *parent = phy->dev->parent;
struct rockchip_usb2phy *rphy = dev_get_priv(parent);
const struct rockchip_usb2phy_port_cfg *port_cfg;
void __iomem *base;
rphy = dev_get_priv(phy->dev);
base = get_reg_base(rphy);
void __iomem *base = get_reg_base(rphy);
if (phy->id == USB2PHY_PORT_OTG) {
port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
@ -418,6 +415,51 @@ static int rockchip_usb2phy_exit(struct phy *phy)
return 0;
}
static int rockchip_usb2phy_of_xlate(struct phy *phy,
struct ofnode_phandle_args *args)
{
const char *dev_name = phy->dev->name;
if (!strcasecmp(dev_name, "host-port")) {
phy->id = USB2PHY_PORT_HOST;
} else if (!strcasecmp(dev_name, "otg-port")) {
phy->id = USB2PHY_PORT_OTG;
} else {
pr_err("%s: invalid dev name\n", __func__);
return -EINVAL;
}
return 0;
}
static int rockchip_usb2phy_bind(struct udevice *dev)
{
struct udevice *child;
ofnode subnode;
const char *node_name;
int ret;
dev_for_each_subnode(subnode, dev) {
if (!ofnode_valid(subnode)) {
debug("%s: %s subnode not found", __func__, dev->name);
return -ENXIO;
}
node_name = ofnode_get_name(subnode);
debug("%s: subnode %s\n", __func__, node_name);
ret = device_bind_driver_to_node(dev, "rockchip_usb2phy_port",
node_name, subnode, &child);
if (ret) {
pr_err("%s: '%s' cannot bind 'rockchip_usb2phy_port'\n",
__func__, node_name);
return ret;
}
}
return 0;
}
static int rockchip_usb2phy_probe(struct udevice *dev)
{
const struct rockchip_usb2phy_cfg *phy_cfgs;
@ -480,6 +522,7 @@ static int rockchip_usb2phy_probe(struct udevice *dev)
static struct phy_ops rockchip_usb2phy_ops = {
.init = rockchip_usb2phy_init,
.exit = rockchip_usb2phy_exit,
.of_xlate = rockchip_usb2phy_of_xlate,
};
static const struct rockchip_usb2phy_cfg rk312x_phy_cfgs[] = {
@ -633,11 +676,17 @@ static const struct udevice_id rockchip_usb2phy_ids[] = {
{ }
};
U_BOOT_DRIVER(rockchip_usb2phy_port) = {
.name = "rockchip_usb2phy_port",
.id = UCLASS_PHY,
.ops = &rockchip_usb2phy_ops,
};
U_BOOT_DRIVER(rockchip_usb2phy) = {
.name = "rockchip_usb2phy",
.id = UCLASS_PHY,
.of_match = rockchip_usb2phy_ids,
.ops = &rockchip_usb2phy_ops,
.probe = rockchip_usb2phy_probe,
.bind = rockchip_usb2phy_bind,
.priv_auto_alloc_size = sizeof(struct rockchip_usb2phy),
};