* [PATCH] arm64: dts: uDPU: SFP cages support 3W modules
@ 2019-11-19 22:53 Russell King
2019-12-09 14:38 ` Gregory CLEMENT
0 siblings, 1 reply; 2+ messages in thread
From: Russell King @ 2019-11-19 22:53 UTC (permalink / raw)
To: Gregory Clement, Vladimir Vid
Cc: Jason Cooper, Andrew Lunn, Sebastian Hesselbarth, Rob Herring,
Mark Rutland, linux-arm-kernel, devicetree
The SFP cages are designed to support up to 3W modules, such as G.hn,
G.fast and MoCA modules. Although there is no way for such modules to
declare to software that they consume 3W, we document in DT that this
is the designed power level for these cages.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
index 2ac1d9ae1e25..7eb6c1796cef 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
@@ -69,6 +69,7 @@
mod-def0-gpio = <&gpiosb 3 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpiosb 4 GPIO_ACTIVE_HIGH>;
tx-fault-gpio = <&gpiosb 5 GPIO_ACTIVE_HIGH>;
+ maximum-power-milliwatt = <3000>;
};
sfp_eth1: sfp-eth1 {
@@ -78,6 +79,7 @@
mod-def0-gpio = <&gpiosb 8 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpiosb 9 GPIO_ACTIVE_HIGH>;
tx-fault-gpio = <&gpiosb 10 GPIO_ACTIVE_HIGH>;
+ maximum-power-milliwatt = <3000>;
};
};
--
2.20.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: uDPU: SFP cages support 3W modules
2019-11-19 22:53 [PATCH] arm64: dts: uDPU: SFP cages support 3W modules Russell King
@ 2019-12-09 14:38 ` Gregory CLEMENT
0 siblings, 0 replies; 2+ messages in thread
From: Gregory CLEMENT @ 2019-12-09 14:38 UTC (permalink / raw)
To: Russell King, Vladimir Vid
Cc: Jason Cooper, Andrew Lunn, Sebastian Hesselbarth, Rob Herring,
Mark Rutland, linux-arm-kernel, devicetree
Russell King <rmk+kernel@armlinux.org.uk> writes:
> The SFP cages are designed to support up to 3W modules, such as G.hn,
> G.fast and MoCA modules. Although there is no way for such modules to
> declare to software that they consume 3W, we document in DT that this
> is the designed power level for these cages.
>
> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Applied on mvebu/dt64
Thanks,
Gregory
> ---
> arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
> index 2ac1d9ae1e25..7eb6c1796cef 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
> @@ -69,6 +69,7 @@
> mod-def0-gpio = <&gpiosb 3 GPIO_ACTIVE_LOW>;
> tx-disable-gpio = <&gpiosb 4 GPIO_ACTIVE_HIGH>;
> tx-fault-gpio = <&gpiosb 5 GPIO_ACTIVE_HIGH>;
> + maximum-power-milliwatt = <3000>;
> };
>
> sfp_eth1: sfp-eth1 {
> @@ -78,6 +79,7 @@
> mod-def0-gpio = <&gpiosb 8 GPIO_ACTIVE_LOW>;
> tx-disable-gpio = <&gpiosb 9 GPIO_ACTIVE_HIGH>;
> tx-fault-gpio = <&gpiosb 10 GPIO_ACTIVE_HIGH>;
> + maximum-power-milliwatt = <3000>;
> };
> };
>
> --
> 2.20.1
>
--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com
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