[PATCH 3/8] ARM: EXYNOS5: Add OHCI device from device tree

[Sachin Kamat]

On 18/07/2012, Vivek Gautam <gautam.vivek at samsung.com> wrote:
> From: Ajay Kumar <ajaykumar.rs at samsung.com>
>
> This patch adds OHCI device from device tree for exynos5
> and adds platform data.
>
> Signed-off-by: Banajit Goswami <banajit.g at samsung.com>
> Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>

This patch seems to be from Ajay Kumar, but his signed-off is missing.

>
> diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt
> b/Documentation/devicetree/bindings/usb/exynos-usb.txt
> new file mode 100644
> index 0000000..63b80b9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
> @@ -0,0 +1,19 @@
> +Samsung Exynos SoC USB controller
> +
> +The device node for USB controller for Samsung SOC have
> +following properties
> +
> +OHCI
> +Required properties:
> + - compatible: should be "samsung,exynos-ohci" for USB 2.0
> +   OHCI companion controller in host mode.
> + - reg: physical base address of the controller and length
> +   of memory mapped.
> + - interrupts: interrupt number to the cpu.
> +
> +ohci {
> +	compatible = "samsung,exynos-ohci";
> +	reg = <0x12120000 0x100>;
> +	interrupts = <0 71 0>;
> +};
> +
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi
> b/arch/arm/boot/dts/exynos5250.dtsi
> index a3a2eb2..3c73d15 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -58,6 +58,12 @@
>  		interrupts = <0 42 0>;
>  	};
>
> +	ohci {
> +		compatible = "samsung,exynos-ohci";
> +		reg = <0x12120000 0x100>;
> +		interrupts = <0 71 0>;
> +	};
> +
>  	rtc {
>  		compatible = "samsung,s3c6410-rtc";
>  		reg = <0x101E0000 0x100>;
> diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c
> b/arch/arm/mach-exynos/mach-exynos5-dt.c
> index ef770bc..39a4b34 100644
> --- a/arch/arm/mach-exynos/mach-exynos5-dt.c
> +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
> @@ -15,12 +15,19 @@
>  #include <asm/mach/arch.h>
>  #include <asm/hardware/gic.h>
>  #include <mach/map.h>
> +#include <mach/ohci.h>
>
>  #include <plat/cpu.h>
>  #include <plat/regs-serial.h>
> +#include <plat/usb-phy.h>
>
>  #include "common.h"
>
> +static struct exynos4_ohci_platdata smdk5250_ohci_pdata = {
> +	.phy_init = s5p_usb_phy_init,
> +	.phy_exit = s5p_usb_phy_exit,
> +};
> +
>  /*
>   * The following lookup table is used to override device names when
> devices
>   * are registered from device tree. This is temporarily added to enable
> @@ -56,6 +63,8 @@ static const struct of_dev_auxdata
> exynos5250_auxdata_lookup[] __initconst = {
>  	OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
>  	OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
>  	OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
> +	OF_DEV_AUXDATA("samsung,exynos-ohci", 0x12120000,

A macro would make it more readable instead of this magic number?


> +				"exynos-ohci", &smdk5250_ohci_pdata),
>  	{},
>  };
>
> --
> 1.7.0.4
>
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-- 
With warm regards,
Sachin