[PATCH v2 2/7] ARM: dts: exynos4412-odroid*: enable MFC device

[Marek Szyprowski]

Enable support for Multimedia Codec (MFC) device for all Exynos4412-based
Odroid boards.

Signed-off-by: Marek Szyprowski 
---
 arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 24 
 1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi 
b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index edf0fc8..5825abf 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -18,6 +18,24 @@
stdout-path = _1;
};
 
+   reserved-memory {
+   #address-cells = <1>;
+   #size-cells = <1>;
+   ranges;
+
+   mfc_left: region@7700 {
+   compatible = "shared-dma-pool";
+   reusable;
+   reg = <0x7700 0x100>;
+   };
+
+   mfc_right: region@7800 {
+   compatible = "shared-dma-pool";
+   reusable;
+   reg = <0x7800 0x100>;
+   };
+   };
+
firmware@0204F000 {
compatible = "samsung,secure-firmware";
reg = <0x0204F000 0x1000>;
@@ -451,6 +469,12 @@
clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
 };
 
+ {
+   memory-region = <_left>, <_right>;
+   memory-region-names = "left", "right";
+   status = "okay";
+};
+
  {
status = "okay";
 };
-- 
1.9.2

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Re: [PATCH v2 2/7] ARM: dts: exynos4412-odroid*: enable MFC device

[Krzysztof Kozlowski]

On 09.12.2015 22:58, Marek Szyprowski wrote:
> Enable support for Multimedia Codec (MFC) device for all Exynos4412-based
> Odroid boards.
> 
> Signed-off-by: Marek Szyprowski 
> ---
>  arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 24 
>  1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi 
> b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> index edf0fc8..5825abf 100644
> --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> @@ -18,6 +18,24 @@
>   stdout-path = _1;
>   };
>  
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + mfc_left: region@7700 {
> + compatible = "shared-dma-pool";
> + reusable;
> + reg = <0x7700 0x100>;

Doesn't this exceed the memory of Odroid X?

For other Exynos4412 boards the length is 0x80. I am curious: any
particular reason for the difference?

Best regards,
Krzysztof

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Re: [PATCH v2 2/7] ARM: dts: exynos4412-odroid*: enable MFC device

[Krzysztof Kozlowski]

On 10.12.2015 16:44, Krzysztof Kozlowski wrote:
> On 09.12.2015 22:58, Marek Szyprowski wrote:
>> Enable support for Multimedia Codec (MFC) device for all Exynos4412-based

... and one more finding: I think the abbreviation is Multi Format Codec.

BR,
Krzysztof

>> Odroid boards.
>>
>> Signed-off-by: Marek Szyprowski 
>> ---
>>  arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 24 
>> 
>>  1 file changed, 24 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi 
>> b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
>> index edf0fc8..5825abf 100644
>> --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
>> +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
>> @@ -18,6 +18,24 @@
>>  stdout-path = _1;
>>  };
>>  
>> +reserved-memory {
>> +#address-cells = <1>;
>> +#size-cells = <1>;
>> +ranges;
>> +
>> +mfc_left: region@7700 {
>> +compatible = "shared-dma-pool";
>> +reusable;
>> +reg = <0x7700 0x100>;
> 
> Doesn't this exceed the memory of Odroid X?
> 
> For other Exynos4412 boards the length is 0x80. I am curious: any
> particular reason for the difference?
> 
> Best regards,
> Krzysztof
> 
> 

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