lkml.org 
[lkml]   [2017]   [Sep]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3] ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC
Date
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
\
 
 \ /
  Last update: 2017-09-29 16:20    [W:0.032 / U:5.436 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site