[PATCH v8 3/3] ARM: EXYNOS: Enabling samsung-usbphy driver for EXYNOS4210

[Praveen Paneri]

On Thu, Nov 22, 2012 at 1:16 AM, Tomasz Figa <tomasz.figa at gmail.com> wrote:
> Hi Praveen,
>
> On Wednesday 14 of November 2012 16:15:38 Praveen Paneri wrote:
>> Adding usbphy node for Exynos4210 along with the platform data.
>>
>> Signed-off-by: Praveen Paneri <p.paneri at samsung.com>
>> ---
>>  arch/arm/boot/dts/exynos4210-smdkv310.dts |    5 +++++
>>  arch/arm/mach-exynos/Kconfig              |    1 +
>>  arch/arm/mach-exynos/include/mach/map.h   |    1 +
>>  arch/arm/mach-exynos/mach-exynos4-dt.c    |    8 ++++++++
>>  arch/arm/mach-exynos/setup-usb-phy.c      |   13 +++++++++++++
>>  5 files changed, 28 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts
>> b/arch/arm/boot/dts/exynos4210-smdkv310.dts index 9b23a82..550903a
>> 100644
>> --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
>> +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts
>> @@ -59,6 +59,11 @@
>>               status = "okay";
>>       };
>>
>> +     usbphy at 125B0000 {
>> +             compatible = "samsung,exynos4210-usbphy";
>> +             reg = <0x125B0000 0x100>;
>> +     };
>> +
>>       keypad at 100A0000 {
>>               samsung,keypad-num-rows = <2>;
>>               samsung,keypad-num-columns = <8>;
>> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
>> index bb3b09a..315308c 100644
>> --- a/arch/arm/mach-exynos/Kconfig
>> +++ b/arch/arm/mach-exynos/Kconfig
>> @@ -410,6 +410,7 @@ config MACH_EXYNOS4_DT
>>       select PINCTRL
>>       select PINCTRL_EXYNOS4
>>       select USE_OF
>> +     select EXYNOS4_SETUP_USB_PHY
>>       help
>>         Machine support for Samsung Exynos4 machine with device tree
>> enabled. Select this if a fdt blob is available for the Exynos4 SoC
>> based board. diff --git a/arch/arm/mach-exynos/include/mach/map.h
>> b/arch/arm/mach-exynos/include/mach/map.h index ef4958b..e64fe1c 100644
>> --- a/arch/arm/mach-exynos/include/mach/map.h
>> +++ b/arch/arm/mach-exynos/include/mach/map.h
>> @@ -244,6 +244,7 @@
>>  #define S3C_PA_SPI1                  EXYNOS4_PA_SPI1
>>  #define S3C_PA_SPI2                  EXYNOS4_PA_SPI2
>>  #define S3C_PA_USB_HSOTG             EXYNOS4_PA_HSOTG
>> +#define S3C_PA_USB_PHY                       EXYNOS4_PA_HSPHY
>>
>>  #define S5P_PA_EHCI                  EXYNOS4_PA_EHCI
>>  #define S5P_PA_FIMC0                 EXYNOS4_PA_FIMC0
>> diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c
>> b/arch/arm/mach-exynos/mach-exynos4-dt.c index 8858068..f7887e5 100644
>> --- a/arch/arm/mach-exynos/mach-exynos4-dt.c
>> +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
>> @@ -13,6 +13,7 @@
>>
>>  #include <linux/of_platform.h>
>>  #include <linux/serial_core.h>
>> +#include <linux/platform_data/samsung-usbphy.h>
>>
>>  #include <asm/mach/arch.h>
>>  #include <asm/hardware/gic.h>
>> @@ -20,9 +21,14 @@
>>
>>  #include <plat/cpu.h>
>>  #include <plat/regs-serial.h>
>> +#include <plat/usb-phy.h>
>>
>>  #include "common.h"
>>
>> +static struct samsung_usbphy_data exynos4_usbphy_pdata = {
>> +     .pmu_isolation = s5p_usb_phy_pmu_isolation,
>> +};
>> +
>>  /*
>>   * The following lookup table is used to override device names when
>> devices * are registered from device tree. This is temporarily added to
>> enable @@ -79,6 +85,8 @@ static const struct of_dev_auxdata
>> exynos4_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("arm,pl330",
>> EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL),
>> OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU,
>>                               "exynos-tmu", NULL),
>> +     OF_DEV_AUXDATA("samsung,exynos4210-usbphy", EXYNOS4_PA_HSPHY,
>> +                     "s3c-usbphy", &exynos4_usbphy_pdata),
>
> You should consider reworking the usb phy driver to avoid the need to
> specify platform data through of auxdata, because auxdata array in mach-
> exynos4-dt is going to be removed after including common clock framework
> support for Exynos4.
I am aware of this. We had some discussion earlier
https://patchwork.kernel.org/patch/1266221/
Please suggest a way for the same, that will be helpful.

Regards,

>
> Best regards,
> Tomasz Figa
>
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