* [PATCH v3] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC
@ 2017-09-29 14:18 Pierre-Yves MORDRET
2017-10-06 13:02 ` Alexandre Torgue
0 siblings, 1 reply; 2+ messages in thread
From: Pierre-Yves MORDRET @ 2017-09-29 14:18 UTC (permalink / raw)
To: Rob Herring, Mark Rutland, Russell King, Maxime Coquelin,
Alexandre Torgue
Cc: devicetree, linux-arm-kernel, linux-kernel, Pierre-Yves MORDRET
This patch adds DMAMUX support for STM32H743 SoC.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
---
Version history:
v3:
* Rebase on v4.14-rc2
v2:
* Update DTS to be compliant with up-streamed bindings
v1:
* Initial
---
---
arch/arm/boot/dts/stm32h743.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 58ec227..e8457f6 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -121,6 +121,7 @@
clocks = <&timer_clk>;
#dma-cells = <4>;
st,mem2mem;
+ dma-requests = <8>;
status = "disabled";
};
@@ -138,6 +139,7 @@
clocks = <&timer_clk>;
#dma-cells = <4>;
st,mem2mem;
+ dma-requests = <8>;
status = "disabled";
};
@@ -193,6 +195,16 @@
status = "disabled";
};
};
+
+ dmamux1: dma-router@40020800 {
+ compatible = "st,stm32h7-dmamux";
+ reg = <0x40020800 0x1c>;
+ #dma-cells = <3>;
+ dma-channels = <16>;
+ dma-requests = <128>;
+ dma-masters = <&dma1 &dma2>;
+ clocks = <&timer_clk>;
+ };
};
};
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v3] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC
2017-09-29 14:18 [PATCH v3] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC Pierre-Yves MORDRET
@ 2017-10-06 13:02 ` Alexandre Torgue
0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Torgue @ 2017-10-06 13:02 UTC (permalink / raw)
To: Pierre-Yves MORDRET, Rob Herring, Mark Rutland, Russell King,
Maxime Coquelin
Cc: devicetree, linux-arm-kernel, linux-kernel
Hi
On 09/29/2017 04:18 PM, Pierre-Yves MORDRET wrote:
> This patch adds DMAMUX support for STM32H743 SoC.
>
> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
> ---
> Version history:
> v3:
> * Rebase on v4.14-rc2
> v2:
> * Update DTS to be compliant with up-streamed bindings
> v1:
> * Initial
> ---
> ---
> arch/arm/boot/dts/stm32h743.dtsi | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
> index 58ec227..e8457f6 100644
> --- a/arch/arm/boot/dts/stm32h743.dtsi
> +++ b/arch/arm/boot/dts/stm32h743.dtsi
Applied on stm32-dt-for-v4.15 branch.
Thanks
Alex
> @@ -121,6 +121,7 @@
> clocks = <&timer_clk>;
> #dma-cells = <4>;
> st,mem2mem;
> + dma-requests = <8>;
> status = "disabled";
> };
>
> @@ -138,6 +139,7 @@
> clocks = <&timer_clk>;
> #dma-cells = <4>;
> st,mem2mem;
> + dma-requests = <8>;
> status = "disabled";
> };
>
> @@ -193,6 +195,16 @@
> status = "disabled";
> };
> };
> +
> + dmamux1: dma-router@40020800 {
> + compatible = "st,stm32h7-dmamux";
> + reg = <0x40020800 0x1c>;
> + #dma-cells = <3>;
> + dma-channels = <16>;
> + dma-requests = <128>;
> + dma-masters = <&dma1 &dma2>;
> + clocks = <&timer_clk>;
> + };
> };
> };
>
>
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