Re: [PATCH V4 4/8] phy: st-miphy-40lp: Add skeleton driver
On Thu, Feb 06, 2014 at 02:23:20PM +0800, Kishon Vijay Abraham I wrote:
> Hi,
>
> On Thursday 06 February 2014 11:44 AM, Pratyush Anand wrote:
> > Hi Kishon,
> >
> > On Thu, Feb 06, 2014 at 02:01:45PM +0800, Kishon Vijay Abraham I wrote:
> >> Hi,
> >>
> >> On Thursday 06 February 2014 10:14 AM, Pratyush Anand wrote:
> >>> ST miphy-40lp supports PCIe, SATA and Super Speed USB. This driver adds
[...]
> >>> +
> >>> + phy_provider = devm_of_phy_provider_register(dev, st_miphy40lp_xlate);
> >>> + if (IS_ERR(phy_provider)) {
> >>> + dev_err(dev, "failed to register phy provider\n");
> >>> + return PTR_ERR(phy_provider);
> >>> + }
> >>
> >> phy_provider_register should be the last step in registering the PHY. Or
> >> your
> >> PHY call backs can be called before you create the PHY. Btw in your case
> >> you
> >
> > But every one else like phy-exynos-mipi-video or phy-omap-usb2 or any
> > other did it same way. First phy_provider_register and then
> > phy_create.
>
> That's a bug which we figured out very late. Will get it fixed in this -rc
> cycle.
Ok..I ll correct in mine too. :)
Rgds
Pratyush
>
> Thanks
> Kishon
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Re: [PATCH V4 4/8] phy: st-miphy-40lp: Add skeleton driver
Hi,
On Thursday 06 February 2014 11:44 AM, Pratyush Anand wrote:
> Hi Kishon,
>
> On Thu, Feb 06, 2014 at 02:01:45PM +0800, Kishon Vijay Abraham I wrote:
>> Hi,
>>
>> On Thursday 06 February 2014 10:14 AM, Pratyush Anand wrote:
>>> ST miphy-40lp supports PCIe, SATA and Super Speed USB. This driver adds
>>> skeleton support for the same.
>>>
>>> Currently phy ops are returning -EINVAL. They can be elaborated
>>> depending on the SOC being supported in future.
>>>
>>> Signed-off-by: Pratyush Anand
>>> Tested-by: Mohit Kumar
>>> Cc: Arnd Bergmann
>>> Cc: Kishon Vijay Abraham I
>>> Cc: spear-de...@list.st.com
>>> Cc: linux-arm-ker...@lists.infradead.org
>>> Cc: devicet...@vger.kernel.org
>>> Cc: linux-kernel@vger.kernel.org
>>> ---
>>> .../devicetree/bindings/phy/st-miphy40lp.txt | 12 ++
>>> drivers/phy/Kconfig| 6 +
>>> drivers/phy/Makefile | 1 +
>>> drivers/phy/phy-miphy40lp.c| 174
>>> +
>>> 4 files changed, 193 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/phy/st-miphy40lp.txt
>>> create mode 100644 drivers/phy/phy-miphy40lp.c
>>>
>>> diff --git a/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
>>> b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
>>> new file mode 100644
>>> index 000..d0c7096
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
>>> @@ -0,0 +1,12 @@
>>> +Required properties:
>>> +- compatible : should be "st,miphy40lp-phy"
>>> + Other supported soc specific compatible:
>>> + "st,spear1310-miphy"
>>> + "st,spear1340-miphy"
>>> +- reg : offset and length of the PHY register set.
>>> +- misc: phandle for the syscon node to access misc registers
>>> +- phy-id: Instance id of the phy.
>>> +- #phy-cells : from the generic PHY bindings, must be 1.
>>> + - 1st cell: phandle to the phy node.
>>> + - 2nd cell: 0 if phy (in 1st cell) is to be used for SATA, 1 for PCIe
>>> + and 2 for Super Speed USB.
>>> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
>>> index afa2354..2f58993 100644
>>> --- a/drivers/phy/Kconfig
>>> +++ b/drivers/phy/Kconfig
>>> @@ -64,4 +64,10 @@ config BCM_KONA_USB2_PHY
>>> help
>>> Enable this to support the Broadcom Kona USB 2.0 PHY.
>>>
>>> +config PHY_ST_MIPHY40LP
>>> + tristate "ST MIPHY 40LP driver"
>>> + help
>>> + Support for ST MIPHY 40LP which can be used for PCIe, SATA and Super
>>> Speed USB.
>>> + select GENERIC_PHY
>>> +
>>> endmenu
>>> diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
>>> index b57c253..c061091 100644
>>> --- a/drivers/phy/Makefile
>>> +++ b/drivers/phy/Makefile
>>> @@ -9,3 +9,4 @@ obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) +=
>>> phy-exynos-mipi-video.o
>>> obj-$(CONFIG_PHY_MVEBU_SATA) += phy-mvebu-sata.o
>>> obj-$(CONFIG_OMAP_USB2)+= phy-omap-usb2.o
>>> obj-$(CONFIG_TWL4030_USB) += phy-twl4030-usb.o
>>> +obj-$(CONFIG_PHY_ST_MIPHY40LP) += phy-miphy40lp.o
>>> diff --git a/drivers/phy/phy-miphy40lp.c b/drivers/phy/phy-miphy40lp.c
>>> new file mode 100644
>>> index 000..d478c14
>>> --- /dev/null
>>> +++ b/drivers/phy/phy-miphy40lp.c
>>> @@ -0,0 +1,174 @@
>>> +/*
>>> + * ST MiPHY-40LP PHY driver
>>> + *
>>> + * Copyright (C) 2014 ST Microelectronics
>>> + * Pratyush Anand
>>> + *
>>> + * This program is free software; you can redistribute it and/or modify
>>> + * it under the terms of the GNU General Public License version 2 as
>>> + * published by the Free Software Foundation.
>>> + *
>>> + */
>>> +
>>> +#include
>>> +#include
>>> +#include
>>> +#include
>>> +#include
>>> +#include
>>> +#include
>>> +#include
>>> +
>>> +enum phy_mode {
>>> + SATA,
>>> + PCIE,
>>> + SS_USB,
>>> +};
>>> +
>>> +struct st_miphy40lp_priv {
>>> + /* regmap for any soc specific misc registers */
>>> + struct regmap *misc;
>>> + /* phy struct pointer */
>>> + struct phy *phy;
>>> + /* device node pointer */
>>> + struct device_node *np;
>>> + /* phy mode: 0 for SATA 1 for PCIe and 2 for SS-USB */
>>> + enum phy_mode mode;
>>> + /* instance id of this phy */
>>> + u32 id;
>>> +};
>>> +
>>> +static int miphy40lp_init(struct phy *phy)
>>> +{
>>> + return -EINVAL;
>>> +}
>>> +
>>> +static int miphy40lp_exit(struct phy *phy)
>>> +{
>>> + return -EINVAL;
>>> +}
>>> +
>>> +static int miphy40lp_power_off(struct phy *phy)
>>> +{
>>> + return -EINVAL;
>>> +}
>>> +
>>> +static int miphy40lp_power_on(struct phy *phy)
>>> +{
>>> + return -EINVAL;
>>> +}
>>> +
>>> +static const struct of_device_id st_miphy40lp_of_match[] = {
>>> + { .compatible = "st,miphy40lp-phy" },
>>> + { },
>>> +};
>>> +MODULE_DEVICE_TABLE(of, st_miphy40lp_of_match);
>>> +
>>> +static struct phy_ops st_miphy40lp_ops = {
>>> + .init = miphy40lp_init,
>>> + .exit = miphy40lp_exit,
>>> + .
Re: [PATCH V4 4/8] phy: st-miphy-40lp: Add skeleton driver
Hi Kishon,
On Thu, Feb 06, 2014 at 02:01:45PM +0800, Kishon Vijay Abraham I wrote:
> Hi,
>
> On Thursday 06 February 2014 10:14 AM, Pratyush Anand wrote:
> > ST miphy-40lp supports PCIe, SATA and Super Speed USB. This driver adds
> > skeleton support for the same.
> >
> > Currently phy ops are returning -EINVAL. They can be elaborated
> > depending on the SOC being supported in future.
> >
> > Signed-off-by: Pratyush Anand
> > Tested-by: Mohit Kumar
> > Cc: Arnd Bergmann
> > Cc: Kishon Vijay Abraham I
> > Cc: spear-de...@list.st.com
> > Cc: linux-arm-ker...@lists.infradead.org
> > Cc: devicet...@vger.kernel.org
> > Cc: linux-kernel@vger.kernel.org
> > ---
> > .../devicetree/bindings/phy/st-miphy40lp.txt | 12 ++
> > drivers/phy/Kconfig| 6 +
> > drivers/phy/Makefile | 1 +
> > drivers/phy/phy-miphy40lp.c| 174
> > +
> > 4 files changed, 193 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> > create mode 100644 drivers/phy/phy-miphy40lp.c
> >
> > diff --git a/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> > b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> > new file mode 100644
> > index 000..d0c7096
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> > @@ -0,0 +1,12 @@
> > +Required properties:
> > +- compatible : should be "st,miphy40lp-phy"
> > + Other supported soc specific compatible:
> > + "st,spear1310-miphy"
> > + "st,spear1340-miphy"
> > +- reg : offset and length of the PHY register set.
> > +- misc: phandle for the syscon node to access misc registers
> > +- phy-id: Instance id of the phy.
> > +- #phy-cells : from the generic PHY bindings, must be 1.
> > + - 1st cell: phandle to the phy node.
> > + - 2nd cell: 0 if phy (in 1st cell) is to be used for SATA, 1 for PCIe
> > + and 2 for Super Speed USB.
> > diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> > index afa2354..2f58993 100644
> > --- a/drivers/phy/Kconfig
> > +++ b/drivers/phy/Kconfig
> > @@ -64,4 +64,10 @@ config BCM_KONA_USB2_PHY
> > help
> > Enable this to support the Broadcom Kona USB 2.0 PHY.
> >
> > +config PHY_ST_MIPHY40LP
> > + tristate "ST MIPHY 40LP driver"
> > + help
> > + Support for ST MIPHY 40LP which can be used for PCIe, SATA and Super
> > Speed USB.
> > + select GENERIC_PHY
> > +
> > endmenu
> > diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
> > index b57c253..c061091 100644
> > --- a/drivers/phy/Makefile
> > +++ b/drivers/phy/Makefile
> > @@ -9,3 +9,4 @@ obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) +=
> > phy-exynos-mipi-video.o
> > obj-$(CONFIG_PHY_MVEBU_SATA) += phy-mvebu-sata.o
> > obj-$(CONFIG_OMAP_USB2)+= phy-omap-usb2.o
> > obj-$(CONFIG_TWL4030_USB) += phy-twl4030-usb.o
> > +obj-$(CONFIG_PHY_ST_MIPHY40LP) += phy-miphy40lp.o
> > diff --git a/drivers/phy/phy-miphy40lp.c b/drivers/phy/phy-miphy40lp.c
> > new file mode 100644
> > index 000..d478c14
> > --- /dev/null
> > +++ b/drivers/phy/phy-miphy40lp.c
> > @@ -0,0 +1,174 @@
> > +/*
> > + * ST MiPHY-40LP PHY driver
> > + *
> > + * Copyright (C) 2014 ST Microelectronics
> > + * Pratyush Anand
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License version 2 as
> > + * published by the Free Software Foundation.
> > + *
> > + */
> > +
> > +#include
> > +#include
> > +#include
> > +#include
> > +#include
> > +#include
> > +#include
> > +#include
> > +
> > +enum phy_mode {
> > + SATA,
> > + PCIE,
> > + SS_USB,
> > +};
> > +
> > +struct st_miphy40lp_priv {
> > + /* regmap for any soc specific misc registers */
> > + struct regmap *misc;
> > + /* phy struct pointer */
> > + struct phy *phy;
> > + /* device node pointer */
> > + struct device_node *np;
> > + /* phy mode: 0 for SATA 1 for PCIe and 2 for SS-USB */
> > + enum phy_mode mode;
> > + /* instance id of this phy */
> > + u32 id;
> > +};
> > +
> > +static int miphy40lp_init(struct phy *phy)
> > +{
> > + return -EINVAL;
> > +}
> > +
> > +static int miphy40lp_exit(struct phy *phy)
> > +{
> > + return -EINVAL;
> > +}
> > +
> > +static int miphy40lp_power_off(struct phy *phy)
> > +{
> > + return -EINVAL;
> > +}
> > +
> > +static int miphy40lp_power_on(struct phy *phy)
> > +{
> > + return -EINVAL;
> > +}
> > +
> > +static const struct of_device_id st_miphy40lp_of_match[] = {
> > + { .compatible = "st,miphy40lp-phy" },
> > + { },
> > +};
> > +MODULE_DEVICE_TABLE(of, st_miphy40lp_of_match);
> > +
> > +static struct phy_ops st_miphy40lp_ops = {
> > + .init = miphy40lp_init,
> > + .exit = miphy40lp_exit,
> > + .power_off = miphy40lp_power_off,
> > + .power_on = miphy40lp_power_on
Re: [PATCH V4 4/8] phy: st-miphy-40lp: Add skeleton driver
Hi,
On Thursday 06 February 2014 10:14 AM, Pratyush Anand wrote:
> ST miphy-40lp supports PCIe, SATA and Super Speed USB. This driver adds
> skeleton support for the same.
>
> Currently phy ops are returning -EINVAL. They can be elaborated
> depending on the SOC being supported in future.
>
> Signed-off-by: Pratyush Anand
> Tested-by: Mohit Kumar
> Cc: Arnd Bergmann
> Cc: Kishon Vijay Abraham I
> Cc: spear-de...@list.st.com
> Cc: linux-arm-ker...@lists.infradead.org
> Cc: devicet...@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
> .../devicetree/bindings/phy/st-miphy40lp.txt | 12 ++
> drivers/phy/Kconfig| 6 +
> drivers/phy/Makefile | 1 +
> drivers/phy/phy-miphy40lp.c| 174
> +
> 4 files changed, 193 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> create mode 100644 drivers/phy/phy-miphy40lp.c
>
> diff --git a/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> new file mode 100644
> index 000..d0c7096
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
> @@ -0,0 +1,12 @@
> +Required properties:
> +- compatible : should be "st,miphy40lp-phy"
> + Other supported soc specific compatible:
> + "st,spear1310-miphy"
> + "st,spear1340-miphy"
> +- reg : offset and length of the PHY register set.
> +- misc: phandle for the syscon node to access misc registers
> +- phy-id: Instance id of the phy.
> +- #phy-cells : from the generic PHY bindings, must be 1.
> + - 1st cell: phandle to the phy node.
> + - 2nd cell: 0 if phy (in 1st cell) is to be used for SATA, 1 for PCIe
> + and 2 for Super Speed USB.
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index afa2354..2f58993 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -64,4 +64,10 @@ config BCM_KONA_USB2_PHY
> help
> Enable this to support the Broadcom Kona USB 2.0 PHY.
>
> +config PHY_ST_MIPHY40LP
> + tristate "ST MIPHY 40LP driver"
> + help
> + Support for ST MIPHY 40LP which can be used for PCIe, SATA and Super
> Speed USB.
> + select GENERIC_PHY
> +
> endmenu
> diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
> index b57c253..c061091 100644
> --- a/drivers/phy/Makefile
> +++ b/drivers/phy/Makefile
> @@ -9,3 +9,4 @@ obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) +=
> phy-exynos-mipi-video.o
> obj-$(CONFIG_PHY_MVEBU_SATA) += phy-mvebu-sata.o
> obj-$(CONFIG_OMAP_USB2) += phy-omap-usb2.o
> obj-$(CONFIG_TWL4030_USB)+= phy-twl4030-usb.o
> +obj-$(CONFIG_PHY_ST_MIPHY40LP) += phy-miphy40lp.o
> diff --git a/drivers/phy/phy-miphy40lp.c b/drivers/phy/phy-miphy40lp.c
> new file mode 100644
> index 000..d478c14
> --- /dev/null
> +++ b/drivers/phy/phy-miphy40lp.c
> @@ -0,0 +1,174 @@
> +/*
> + * ST MiPHY-40LP PHY driver
> + *
> + * Copyright (C) 2014 ST Microelectronics
> + * Pratyush Anand
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + */
> +
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +
> +enum phy_mode {
> + SATA,
> + PCIE,
> + SS_USB,
> +};
> +
> +struct st_miphy40lp_priv {
> + /* regmap for any soc specific misc registers */
> + struct regmap *misc;
> + /* phy struct pointer */
> + struct phy *phy;
> + /* device node pointer */
> + struct device_node *np;
> + /* phy mode: 0 for SATA 1 for PCIe and 2 for SS-USB */
> + enum phy_mode mode;
> + /* instance id of this phy */
> + u32 id;
> +};
> +
> +static int miphy40lp_init(struct phy *phy)
> +{
> + return -EINVAL;
> +}
> +
> +static int miphy40lp_exit(struct phy *phy)
> +{
> + return -EINVAL;
> +}
> +
> +static int miphy40lp_power_off(struct phy *phy)
> +{
> + return -EINVAL;
> +}
> +
> +static int miphy40lp_power_on(struct phy *phy)
> +{
> + return -EINVAL;
> +}
> +
> +static const struct of_device_id st_miphy40lp_of_match[] = {
> + { .compatible = "st,miphy40lp-phy" },
> + { },
> +};
> +MODULE_DEVICE_TABLE(of, st_miphy40lp_of_match);
> +
> +static struct phy_ops st_miphy40lp_ops = {
> + .init = miphy40lp_init,
> + .exit = miphy40lp_exit,
> + .power_off = miphy40lp_power_off,
> + .power_on = miphy40lp_power_on,
> + .owner = THIS_MODULE,
Would prefer to either align all the fields or align none. Here only owner is
aligned.
> +};
> +
> +#ifdef CONFIG_PM_SLEEP
> +static int miphy40lp_suspend(struct device *dev)
> +{
> + return -EINVAL;
> +}
> +
> +static int miphy40lp_resume(struct device *dev)
> +{
[PATCH V4 4/8] phy: st-miphy-40lp: Add skeleton driver
ST miphy-40lp supports PCIe, SATA and Super Speed USB. This driver adds
skeleton support for the same.
Currently phy ops are returning -EINVAL. They can be elaborated
depending on the SOC being supported in future.
Signed-off-by: Pratyush Anand
Tested-by: Mohit Kumar
Cc: Arnd Bergmann
Cc: Kishon Vijay Abraham I
Cc: spear-de...@list.st.com
Cc: linux-arm-ker...@lists.infradead.org
Cc: devicet...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
.../devicetree/bindings/phy/st-miphy40lp.txt | 12 ++
drivers/phy/Kconfig| 6 +
drivers/phy/Makefile | 1 +
drivers/phy/phy-miphy40lp.c| 174 +
4 files changed, 193 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/st-miphy40lp.txt
create mode 100644 drivers/phy/phy-miphy40lp.c
diff --git a/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
new file mode 100644
index 000..d0c7096
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/st-miphy40lp.txt
@@ -0,0 +1,12 @@
+Required properties:
+- compatible : should be "st,miphy40lp-phy"
+ Other supported soc specific compatible:
+ "st,spear1310-miphy"
+ "st,spear1340-miphy"
+- reg : offset and length of the PHY register set.
+- misc: phandle for the syscon node to access misc registers
+- phy-id: Instance id of the phy.
+- #phy-cells : from the generic PHY bindings, must be 1.
+ - 1st cell: phandle to the phy node.
+ - 2nd cell: 0 if phy (in 1st cell) is to be used for SATA, 1 for PCIe
+ and 2 for Super Speed USB.
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index afa2354..2f58993 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -64,4 +64,10 @@ config BCM_KONA_USB2_PHY
help
Enable this to support the Broadcom Kona USB 2.0 PHY.
+config PHY_ST_MIPHY40LP
+ tristate "ST MIPHY 40LP driver"
+ help
+ Support for ST MIPHY 40LP which can be used for PCIe, SATA and Super
Speed USB.
+ select GENERIC_PHY
+
endmenu
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index b57c253..c061091 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) +=
phy-exynos-mipi-video.o
obj-$(CONFIG_PHY_MVEBU_SATA) += phy-mvebu-sata.o
obj-$(CONFIG_OMAP_USB2)+= phy-omap-usb2.o
obj-$(CONFIG_TWL4030_USB) += phy-twl4030-usb.o
+obj-$(CONFIG_PHY_ST_MIPHY40LP) += phy-miphy40lp.o
diff --git a/drivers/phy/phy-miphy40lp.c b/drivers/phy/phy-miphy40lp.c
new file mode 100644
index 000..d478c14
--- /dev/null
+++ b/drivers/phy/phy-miphy40lp.c
@@ -0,0 +1,174 @@
+/*
+ * ST MiPHY-40LP PHY driver
+ *
+ * Copyright (C) 2014 ST Microelectronics
+ * Pratyush Anand
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+enum phy_mode {
+ SATA,
+ PCIE,
+ SS_USB,
+};
+
+struct st_miphy40lp_priv {
+ /* regmap for any soc specific misc registers */
+ struct regmap *misc;
+ /* phy struct pointer */
+ struct phy *phy;
+ /* device node pointer */
+ struct device_node *np;
+ /* phy mode: 0 for SATA 1 for PCIe and 2 for SS-USB */
+ enum phy_mode mode;
+ /* instance id of this phy */
+ u32 id;
+};
+
+static int miphy40lp_init(struct phy *phy)
+{
+ return -EINVAL;
+}
+
+static int miphy40lp_exit(struct phy *phy)
+{
+ return -EINVAL;
+}
+
+static int miphy40lp_power_off(struct phy *phy)
+{
+ return -EINVAL;
+}
+
+static int miphy40lp_power_on(struct phy *phy)
+{
+ return -EINVAL;
+}
+
+static const struct of_device_id st_miphy40lp_of_match[] = {
+ { .compatible = "st,miphy40lp-phy" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, st_miphy40lp_of_match);
+
+static struct phy_ops st_miphy40lp_ops = {
+ .init = miphy40lp_init,
+ .exit = miphy40lp_exit,
+ .power_off = miphy40lp_power_off,
+ .power_on = miphy40lp_power_on,
+ .owner = THIS_MODULE,
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int miphy40lp_suspend(struct device *dev)
+{
+ return -EINVAL;
+}
+
+static int miphy40lp_resume(struct device *dev)
+{
+ return -EINVAL;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(miphy40lp_pm_ops, miphy40lp_suspend,
+ miphy40lp_resume);
+
+static struct phy *st_miphy40lp_xlate(struct device *dev,
+ struct of_phandle_args *args)
+{
+ struct st_miphy40lp_priv *phypriv = dev_get_drvdata(dev);
+
+ if (args->args_count < 1) {
+ dev
