phy: add a driver for the Rockchip SoC internal USB2.0 PHY

This patch to add a generic PHY driver for ROCKCHIP usb PHYs,
currently this driver can support RK3288. The RK3288 SoC have
three independent USB PHY IPs which are all configured through a
set of registers located in the GRF (general register files)
module.

Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index ccad8809ecb1..b24500afba25 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -239,6 +239,13 @@ config PHY_QCOM_IPQ806X_SATA
         depends on OF
         select GENERIC_PHY
 
+config PHY_ROCKCHIP_USB
+        tristate "Rockchip USB2 PHY Driver"
+        depends on ARCH_ROCKCHIP && OF
+        select GENERIC_PHY
+        help
+          Enable this to support the Rockchip USB 2.0 PHY.
+
 config PHY_ST_SPEAR1310_MIPHY
         tristate "ST SPEAR1310-MIPHY driver"
         select GENERIC_PHY