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phy: rcar-gen3-usb2: Add support for r8a77470 

This patch adds support for r8a77470 (RZ/G1C). We can reuse this driver for
initializing timing/interrupt generation registers.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
hifive-unleashed-5.2
Biju Das 2019-04-10 15:48:41 +01:00 committed by Kishon Vijay Abraham I
parent b7187e001a
commit 5d8042e95f
2 changed files with 34 additions and 7 deletions
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2
drivers/phy/renesas/Kconfig
View File

@ -19,7 +19,7 @@ config PHY_RCAR_GEN3_PCIE
config PHY_RCAR_GEN3_USB2
tristate "Renesas R-Car generation 3 USB 2.0 PHY driver"
depends on ARCH_RENESAS
depends on EXTCON
depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in
depends on USB_SUPPORT
select GENERIC_PHY
select USB_COMMON

39
drivers/phy/renesas/phy-rcar-gen3-usb2.c
View File

@ -393,6 +393,12 @@ static const struct phy_ops rcar_gen3_phy_usb2_ops = {
.owner = THIS_MODULE,
};
static const struct phy_ops rz_g1c_phy_usb2_ops = {
.init = rcar_gen3_phy_usb2_init,
.exit = rcar_gen3_phy_usb2_exit,
.owner = THIS_MODULE,
};
static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
{
struct rcar_gen3_chan *ch = _ch;
@ -411,11 +417,27 @@ static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
}
static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
{ .compatible = "renesas,usb2-phy-r8a7795" },
{ .compatible = "renesas,usb2-phy-r8a7796" },
{ .compatible = "renesas,usb2-phy-r8a77965" },
{ .compatible = "renesas,rcar-gen3-usb2-phy" },
{ }
{
.compatible = "renesas,usb2-phy-r8a77470",
.data = &rz_g1c_phy_usb2_ops,
},
{
.compatible = "renesas,usb2-phy-r8a7795",
.data = &rcar_gen3_phy_usb2_ops,
},
{
.compatible = "renesas,usb2-phy-r8a7796",
.data = &rcar_gen3_phy_usb2_ops,
},
{
.compatible = "renesas,usb2-phy-r8a77965",
.data = &rcar_gen3_phy_usb2_ops,
},
{
.compatible = "renesas,rcar-gen3-usb2-phy",
.data = &rcar_gen3_phy_usb2_ops,
},
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, rcar_gen3_phy_usb2_match_table);
@ -431,6 +453,7 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
struct rcar_gen3_chan *channel;
struct phy_provider *provider;
struct resource *res;
const struct phy_ops *phy_usb2_ops;
int irq, ret = 0;
if (!dev->of_node) {
@ -481,7 +504,11 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
* And then, phy-core will manage runtime pm for this device.
*/
pm_runtime_enable(dev);
channel->phy = devm_phy_create(dev, NULL, &rcar_gen3_phy_usb2_ops);
phy_usb2_ops = of_device_get_match_data(dev);
if (!phy_usb2_ops)
return -EINVAL;
channel->phy = devm_phy_create(dev, NULL, phy_usb2_ops);
if (IS_ERR(channel->phy)) {
dev_err(dev, "Failed to create USB2 PHY\n");
ret = PTR_ERR(channel->phy);