Add a PHY driver for uses with AHCI based SATA controller driver on the
IPQ806x family of SoCs.

Signed-off-by: Kumar Gala <redacted>
---
v3:
* Added Kconfig HAS_IOMEM dep
* re-ordered probe function so phy_provider_register is last
 
v2:
* dropped unused dev pointer in struct qcom_ipq806x_sata_phy
* remove unnecessary reg initializaiton
* Removed unneeded error message
* Added remove function to disable the clock

 drivers/phy/Kconfig                 |   7 ++
 drivers/phy/Makefile                |   1 +
 drivers/phy/phy-qcom-ipq806x-sata.c | 211 ++++++++++++++++++++++++++++++++++++
 3 files changed, 219 insertions(+)
 create mode 100644 drivers/phy/phy-qcom-ipq806x-sata.c

diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 16a2f06..b7b6bce 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig

@@ -178,4 +178,11 @@ config PHY_XGENE
 	help
 	  This option enables support for APM X-Gene SoC multi-purpose PHY.
 
+config PHY_QCOM_IPQ806X_SATA
+	tristate "Qualcomm IPQ806x SATA SerDes/PHY driver"
+	depends on ARCH_QCOM
+	depends on HAS_IOMEM
+	depends on OF
+	select GENERIC_PHY
+
 endmenu

diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index b4f1d57..d950317 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile

@@ -20,3 +20,4 @@ phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4X12_USB2)	+= phy-exynos4x12-usb2.o
 phy-exynos-usb2-$(CONFIG_PHY_EXYNOS5250_USB2)	+= phy-exynos5250-usb2.o
 obj-$(CONFIG_PHY_EXYNOS5_USBDRD)	+= phy-exynos5-usbdrd.o
 obj-$(CONFIG_PHY_XGENE)			+= phy-xgene.o
+obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA)	+= phy-qcom-ipq806x-sata.o

diff --git a/drivers/phy/phy-qcom-ipq806x-sata.c b/drivers/phy/phy-qcom-ipq806x-sata.c
new file mode 100644
index 0000000..e931aee
--- /dev/null
+++ b/drivers/phy/phy-qcom-ipq806x-sata.c