diff mbox

[v2,3/3] ARM64: dts: meson-gxbb: Add Hardware Random Generator node

Message ID 1465546915-24229-4-git-send-email-narmstrong@baylibre.com (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show

Commit Message

Neil Armstrong June 10, 2016, 8:21 a.m. UTC
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Kevin Hilman June 13, 2016, 10:09 p.m. UTC | #1
Hi Neil,

Neil Armstrong <narmstrong@baylibre.com> writes:

> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> index 832815d..8353621 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> @@ -167,6 +167,11 @@
>  			};
>  		};
>  
> +		rng {
> +			compatible = "amlogic,meson-rng";
> +			reg = <0x0 0xc8834000 0x0 0x4>;
> +		};

This should be under the periphs bus, with an offset of 0x0 instead of
at the top level.

See the for-next branch in the linux-amlogic tree[1] which has separate
busses for periphs and hiu.

Kevin

[1] git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic.git
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Neil Armstrong June 14, 2016, 4:59 a.m. UTC | #2
On 06/14/2016 12:09 AM, Kevin Hilman wrote:
> Hi Neil,
> 
> Neil Armstrong <narmstrong@baylibre.com> writes:
> 
>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>> ---
>>  arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
>> index 832815d..8353621 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
>> @@ -167,6 +167,11 @@
>>  			};
>>  		};
>>  
>> +		rng {
>> +			compatible = "amlogic,meson-rng";
>> +			reg = <0x0 0xc8834000 0x0 0x4>;
>> +		};
> 
> This should be under the periphs bus, with an offset of 0x0 instead of
> at the top level.
> 
> See the for-next branch in the linux-amlogic tree[1] which has separate
> busses for periphs and hiu.

Yes, It was introduced lately.

Herbert,

I'll repost this patch separately to arm-soc directly rebased on [1].

Thanks,
Neil

> Kevin
> 
> [1] git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic.git
> 

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diff mbox

Patch

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 832815d..8353621 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -167,6 +167,11 @@ 
 			};
 		};
 
+		rng {
+			compatible = "amlogic,meson-rng";
+			reg = <0x0 0xc8834000 0x0 0x4>;
+		};
+
 		apb: apb@d0000000 {
 			compatible = "simple-bus";
 			reg = <0x0 0xd0000000 0x0 0x200000>;