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[1/1] ARM: dts: stm32: adjust USB OTG gadget fifo sizes in stm32mp151

Message ID 20201110131059.7826-1-amelie.delaunay@st.com (mailing list archive)
State New, archived
Headers show
Series [1/1] ARM: dts: stm32: adjust USB OTG gadget fifo sizes in stm32mp151 | expand

Commit Message

Amelie Delaunay Nov. 10, 2020, 1:10 p.m. UTC
Defaut use case on stm32mp151 USB OTG is ethernet gadget, using EP1 bulk
endpoint (MPS=512 bytes) and EP2 interrupt endpoint (MPS=16 bytes).
This patch optimizes USB OTG FIFO sizes accordingly.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
---
 arch/arm/boot/dts/stm32mp151.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Alexandre TORGUE Nov. 17, 2020, 9:59 a.m. UTC | #1
Hi Amélie

On 11/10/20 2:10 PM, Amelie Delaunay wrote:
> Defaut use case on stm32mp151 USB OTG is ethernet gadget, using EP1 bulk
> endpoint (MPS=512 bytes) and EP2 interrupt endpoint (MPS=16 bytes).
> This patch optimizes USB OTG FIFO sizes accordingly.
> 
> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
> ---
>   arch/arm/boot/dts/stm32mp151.dtsi | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
> index 6ffcf06dc0e8..928e31db1526 100644
> --- a/arch/arm/boot/dts/stm32mp151.dtsi
> +++ b/arch/arm/boot/dts/stm32mp151.dtsi
> @@ -1070,9 +1070,9 @@
>   			resets = <&rcc USBO_R>;
>   			reset-names = "dwc2";
>   			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
> -			g-rx-fifo-size = <256>;
> +			g-rx-fifo-size = <512>;
>   			g-np-tx-fifo-size = <32>;
> -			g-tx-fifo-size = <128 128 64 64 64 64 32 32>;
> +			g-tx-fifo-size = <256 16 16 16 16 16 16 16>;
>   			dr_mode = "otg";
>   			usb33d-supply = <&usb33>;
>   			status = "disabled";
> 

Applied on stm32-next.

Thanks.
Alex
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 6ffcf06dc0e8..928e31db1526 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1070,9 +1070,9 @@ 
 			resets = <&rcc USBO_R>;
 			reset-names = "dwc2";
 			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
-			g-rx-fifo-size = <256>;
+			g-rx-fifo-size = <512>;
 			g-np-tx-fifo-size = <32>;
-			g-tx-fifo-size = <128 128 64 64 64 64 32 32>;
+			g-tx-fifo-size = <256 16 16 16 16 16 16 16>;
 			dr_mode = "otg";
 			usb33d-supply = <&usb33>;
 			status = "disabled";