phy: freescale: imx8qm-hsio: Add i.MX8QM HSIO PHY driver support

Add i.MX8QM HSIO PHY driver support.

i.MX8QM HSIO has three lane PHY instances, and can be bound to the
following controllers in the different use cases listed in below table.
- two lanes capable PCIEA controller.
- one lane PCIEB controller.
- AHCI SATA controller.

i.MX8QM HSIO PHYs support the following use cases.
+----------------------------------------------------+
|                               | Lane0| Lane1| Lane2|
|-------------------------------|------|------|------|
| use case 1: PCIEAX2SATA       | PCIEA| PCIEA| SATA |
|-------------------------------|------|------|------|
| use case 2: PCIEAX2PCIEB      | PCIEA| PCIEA| PCIEB|
|-------------------------------|------|------|------|
| use case 3: PCIEAPCIEBSATA    | PCIEA| PCIEB| SATA |
+----------------------------------------------------+

Signed-off-by: Richard Zhu <[email protected]>
Reviewed-by: Frank Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Richard Zhu

drivers/phy/freescale/Kconfig

@@ -35,12 +35,19 @@ config PHY_FSL_IMX8M_PCIE
 	  Enable this to add support for the PCIE PHY as found on
 	  i.MX8M family of SOCs.
 
+config PHY_FSL_IMX8QM_HSIO
+	tristate "Freescale i.MX8QM HSIO PHY"
+	depends on OF && HAS_IOMEM
+	select GENERIC_PHY
+	help
+	  Enable this to add support for the HSIO PHY as found on
+	  i.MX8QM family of SOCs.
+
 config PHY_FSL_SAMSUNG_HDMI_PHY
 	tristate "Samsung HDMI PHY support"
 	depends on OF && HAS_IOMEM && COMMON_CLK
 	help
 	  Enable this to add support for the Samsung HDMI PHY in i.MX8MP.
-
 endif
 
 config PHY_FSL_LYNX_28G

drivers/phy/freescale/Makefile

@@ -3,5 +3,6 @@ obj-$(CONFIG_PHY_FSL_IMX8MQ_USB)	+= phy-fsl-imx8mq-usb.o
 obj-$(CONFIG_PHY_MIXEL_LVDS_PHY)	+= phy-fsl-imx8qm-lvds-phy.o
 obj-$(CONFIG_PHY_MIXEL_MIPI_DPHY)	+= phy-fsl-imx8-mipi-dphy.o
 obj-$(CONFIG_PHY_FSL_IMX8M_PCIE)	+= phy-fsl-imx8m-pcie.o
+obj-$(CONFIG_PHY_FSL_IMX8QM_HSIO)	+= phy-fsl-imx8qm-hsio.o
 obj-$(CONFIG_PHY_FSL_LYNX_28G)		+= phy-fsl-lynx-28g.o
 obj-$(CONFIG_PHY_FSL_SAMSUNG_HDMI_PHY)	+= phy-fsl-samsung-hdmi.o