[PATCH 1/2] phy: samsung: add simple phys for exynos5250 SoC

Pankaj Dubey pankaj.dubey at samsung.com
Sun Apr 20 17:50:47 PDT 2014


Hi Rahul,

On 04/20/2014 07:08 PM, Rahul Sharma wrote:
> From: Rahul Sharma <Rahul.Sharma at samsung.com>
>
> Extend the support for simple phys for exynos5250 SoC
> in simple phy driver.
>
> Change-Id: I39e7745e01ae4b1cf5063dce8a29ebdc37180130
Change-Id should be removed. Missing Signed-off-by.
> ---
>   .../devicetree/bindings/phy/samsung-phy.txt        |   22 ++++++++++++++++++++
>   drivers/phy/exynos-simple-phy.c                    |    9 ++++++++
>   2 files changed, 31 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
> index f97c4c3..f469099 100644
> --- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
> @@ -122,6 +122,7 @@ Required properties:
>   - compatible : should be one of the listed compatibles:
>   	- "samsung,exynos4210-simple-phy"
>   	- "samsung,exynos4412-simple-phy"
> +	- "samsung,exynos5250-simple-phy"
>   - reg : offset and length of the register set;
>   - #phy-cells : from the generic phy bindings, must be 1;
>   
> @@ -138,3 +139,24 @@ the PHY specifier identifies the PHY and its meaning is as follows:
>     0 - HDMI PHY,
>     1 - ADC PHY,
>   
> +For "samsung,exynos5250-simple-phy" compatible PHYs the second cell in
> +the PHY specifier identifies the PHY and its meaning is as follows:
> +  0 - HDMI PHY,
> +  1 - ADC PHY,
> +  2 - ADC PHY,
> +
> +Example:
> +Simple PHY provider node:
> +
> +	simplephys: simple-phys at 10040000 {
> +		compatible = "samsung,exynos5250-simple-phy";
> +		reg = <0x10040000 0x10000>;
> +		#phy-cells = <1>;
> +	};
> +
> +Other nodes accessing simple PHYs:
> +
> +	hdmi {
> +		phys = <&simplephys 0>;
> +		phy-names = "hdmiphy";
> +	};
> diff --git a/drivers/phy/exynos-simple-phy.c b/drivers/phy/exynos-simple-phy.c
> index 57ad338..187f6b1 100644
> --- a/drivers/phy/exynos-simple-phy.c
> +++ b/drivers/phy/exynos-simple-phy.c
> @@ -64,11 +64,20 @@ static const u32 exynos4412_offsets[] = {
>   	~0, /* end mark */
>   };
>   
> +static const u32 exynos5250_offsets[] = {
> +	0x0700, /* HDMI_PHY */
> +	0x0718, /* ADC_PHY */
> +	0x0724, /* SATA_PHY */
> +	~0, /* end mark */
> +};
> +
>   static const struct of_device_id exynos_phy_of_match[] = {
>   	{ .compatible = "samsung,exynos4210-simple-phy",
>   	  .data = exynos4210_offsets},
>   	{ .compatible = "samsung,exynos4412-simple-phy",
>   	  .data = exynos4412_offsets},
> +	{ .compatible = "samsung,exynos5250-simple-phy",
> +	  .data = exynos5250_offsets},
>   	{ },
>   };
>   MODULE_DEVICE_TABLE(of, exynos_phy_of_match);


-- 
Best Regards,
Pankaj Dubey




More information about the linux-arm-kernel mailing list