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SubjectRe: [PATCH v2 01/11] phy: exynos-ufs: add UFS PHY driver for EXYNOS SoC
HI Rob,
Thanks for your time.

On 09/21/2015 08:03 PM, Rob Herring wrote:
> On 09/17/2015 04:45 AM, Alim Akhtar wrote:
>> From: Seungwon Jeon <essuuj@gmail.com>
>>
>> This patch introduces Exynos UFS PHY driver. This driver
>> supports to deal with phy calibration and power control
>> according to UFS host driver's behavior.
>>
>> Signed-off-by: Seungwon Jeon <essuuj@gmail.com>
>> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
>> Cc: Kishon Vijay Abraham I <kishon@ti.com>
>> ---
>> .../devicetree/bindings/phy/samsung-phy.txt | 22 ++
>
> It is preferred to put the binding in a separate patch.
>
Ok, will make a separate patch to add bindings.
>> drivers/phy/Kconfig | 7 +
>> drivers/phy/Makefile | 1 +
>> drivers/phy/phy-exynos-ufs.c | 262 ++++++++++++++++++++
>> drivers/phy/phy-exynos-ufs.h | 85 +++++++
>> drivers/phy/phy-exynos7-ufs.h | 89 +++++++
>> include/linux/phy/phy-exynos-ufs.h | 107 ++++++++
>> 7 files changed, 573 insertions(+)
>> create mode 100644 drivers/phy/phy-exynos-ufs.c
>> create mode 100644 drivers/phy/phy-exynos-ufs.h
>> create mode 100644 drivers/phy/phy-exynos7-ufs.h
>> create mode 100644 include/linux/phy/phy-exynos-ufs.h
>>
>> diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
>> index 60c6f2a..1abe2c4 100644
>> --- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
>> +++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
>> @@ -174,3 +174,25 @@ Example:
>> usbdrdphy0 = &usb3_phy0;
>> usbdrdphy1 = &usb3_phy1;
>> };
>> +
>> +Samsung Exynos7 soc serise UFS PHY Controller
>
> s/serise/series/
>
ok

>> +---------------------------------------------
>> +
>> +UFS PHY nodes are defined to describe on-chip UFS Physical layer controllers.
>> +Each UFS PHY controller should have its own node.
>> +
>> +Required properties:
>> +- compatible : compatible list, contains "samsung,exynos7-ufs-phy"
>> +- reg : offset and length of the UFS PHY register set;
>> +- reg-names : reg name(s) must be 'phy-pma';
>> +- #phy-cells : must be zero
>> +- samsung,syscon-phandle : a phandle to the PMU system controller, no arguments
>
> How about samsung,pmu-syscon as syscon can mean a variety of things?
>
agree, will change it.
>> +
>> +Example:
>> + ufs_phy: ufs-phy@0x15571800 {
>> + compatible = "samsung,exynos7-ufs-phy";
>> + reg = <0x15571800 0x240>;
>> + reg-names = "phy-pma";
>> + samsung,syscon-phandle = <&pmu_system_controller>;
>> + #phy-cells = <0>;
>> + };
>> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
>> index 6b8dd16..7449376 100644
>> --- a/drivers/phy/Kconfig
>> +++ b/drivers/phy/Kconfig
>> @@ -358,4 +358,11 @@ config PHY_BRCMSTB_SATA
>> Enable this to support the SATA3 PHY on 28nm Broadcom STB SoCs.
>> Likely useful only with CONFIG_SATA_BRCMSTB enabled.
>>
>> +config PHY_EXYNOS_UFS
>> + tristate "EXYNOS SoC series UFS PHY driver"
>> + depends on OF && ARCH_EXYNOS
>
> || COMPILE_TEST
>
ok will add
>> + select GENERIC_PHY
>> + help
>> + Support for UFS PHY on Samsung EXYNOS chipsets.
>> +
>> endmenu
>
>


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