On Thursday, January 09, 2014 7:07 PM, Yuvaraj Kumar C D wrote:
>
> This patch adds the SATA PHY driver for Exynos5250.Exynos5250 SATA
> PHY comprises of CMU and TRSV blocks which are of I2C register Map.
> So this patch also adds a i2c client driver, which is used configure
> the CMU and TRSV block of exynos5250 SATA PHY.
>
> This patch incorporates the generic PHY framework to deal with SATA
> PHY.
>
> This patch depends on the below patches
> [1].drivers: phy: add generic PHY framework
> by Kishon Vijay Abraham I<kishon@xxxxxx>
> [2].ata: ahci_platform: Manage SATA PHY
> by Roger Quadros <rogerq@xxxxxx>
>
> Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@xxxxxxxxxxx>
> Signed-off-by: Girish K S <ks.giri@xxxxxxxxxxx>
> Signed-off-by: Vasanth Ananthan <vasanth.a@xxxxxxxxxxx>
Hi Yuvaraj Kumar,
It looks good.
However, I added some minor comments. :-)
Also, you need to base against the following Kishon's PHY git tree,
next branch. Then, Kishon will apply your patch more easily.
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy.git
> ---
> Changes from V4:
> 1.Made Exynos5250 SATA PHY driver by default selects
> CONFIG_I2C and CONFIG_I2C_S3C2410, as SATA PHY driver
> depends on I2C.
> 2.struct i2c_driver sataphy_i2c_driver made static which
> was earlier global type.
> 3.Renamed the files to phy-exynos5250-sata.c and
> phy-exynos5250-sata-i2c.c and CONFIG_EXYNOS5250_SATA_PHY
> to CONFIG_PHY_EXYNOS5250_SATA.
>
> Changes from V3:
> 1.Moved devm_phy_create before to devm_phy_provider_register.
>
> Changes from V2:
> 1.Removed of_match_table
> 2.Moved to syscon interface for PMU handling.
>
> Changes from V1:
> 1.Adapted to latest version of Generic PHY framework
> 2.Removed exynos_sata_i2c_remove function.
>
> drivers/phy/Kconfig | 13 ++
> drivers/phy/Makefile | 1 +
> drivers/phy/phy-exynos5250-sata-i2c.c | 40 ++++++
> drivers/phy/phy-exynos5250-sata.c | 238 +++++++++++++++++++++++++++++++++
> 4 files changed, 292 insertions(+)
> create mode 100644 drivers/phy/phy-exynos5250-sata-i2c.c
> create mode 100644 drivers/phy/phy-exynos5250-sata.c
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index d0611b8..de1c165 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -57,4 +57,17 @@ config PHY_EXYNOS_DP_VIDEO
> help
> Support for Display Port PHY found on Samsung EXYNOS SoCs.
>
> +config PHY_EXYNOS5250_SATA
> + tristate "Exynos5250 Sata SerDes/PHY driver"
> + depends on SOC_EXYNOS5250
> + select GENERIC_PHY
> + select I2C
> + select I2C_S3C2410
> + select MFD_SYSCON
> + help
> + Enable this to support SATA SerDes/Phy found on Samsung's
> + Exynos5250 based SoCs.This SerDes/Phy supports SATA 1.5 Gb/s,
> + SATA 3.0 Gb/s, SATA 6.0 Gb/s speeds.It supports one SATA host
^
One space between 'speeds.' and 'It' is needed as below.
+ SATA 3.0 Gb/s, SATA 6.0 Gb/s speeds. It supports one SATA host
> + port to accept one SATA device.
> +
> endmenu
> diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
> index 4e4adc9..8ccf8c3 100644
> --- a/drivers/phy/Makefile
> +++ b/drivers/phy/Makefile
> @@ -8,3 +8,4 @@ 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_EXYNOS5250_SATA) += phy-exynos5250-sata.o phy-exynos5250-sata-i2c.o
> diff --git a/drivers/phy/phy-exynos5250-sata-i2c.c b/drivers/phy/phy-exynos5250-sata-i2c.c
> new file mode 100644
> index 0000000..83bd6ee
> --- /dev/null
> +++ b/drivers/phy/phy-exynos5250-sata-i2c.c
> @@ -0,0 +1,40 @@
[.....]
> +static struct i2c_driver sataphy_i2c_driver = {
> + .probe = exynos_sata_i2c_probe,
> + .id_table = sataphy_i2c_device_match,
> + .driver = {
> + .name = "exynos-sataphy-i2c",
> + .owner = THIS_MODULE,
> + },
There is an indent coding style issue.
The following is right.
+ },
[.....]
> +
> +MODULE_DESCRIPTION("Samsung SerDes PHY driver");
> +MODULE_LICENSE("GPL");
> +MODULE_AUTHOR("ks.giri <ks.giri@xxxxxxxxxxx>");
The following is more preferable.
+MODULE_AUTHOR("Girish K S <ks.giri@xxxxxxxxxxx>");
Best regards,
Jingoo Han
> +MODULE_AUTHOR("Yuvaraj C D <yuvaraj.cd@xxxxxxxxxxx>");
> --
> 1.7.9.5
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