[PATCH 1/1] ARM: dts: stm32: add resets property on all DMA nodes on stm32mp151

* [PATCH 1/1] ARM: dts: stm32: add resets property on all DMA nodes on stm32mp151
@ 2020-02-04 14:10 Amelie Delaunay
  2020-02-10 16:48 ` Alexandre Torgue
  0 siblings, 1 reply; 2+ messages in thread
From: Amelie Delaunay @ 2020-02-04 14:10 UTC (permalink / raw)
  To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
  Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel, Amelie Delaunay

resets property is well-managed in DMA drivers. In previous products,
there were no reset lines, that's why they are missing here in dma1, dma2,
dmamux and mdma nodes.

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

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 53fa6ed82b34..96f43fa48ec4 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -959,6 +959,7 @@
 				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc DMA1>;
+			resets = <&rcc DMA1_R>;
 			#dma-cells = <4>;
 			st,mem2mem;
 			dma-requests = <8>;
@@ -976,6 +977,7 @@
 				     <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc DMA2>;
+			resets = <&rcc DMA2_R>;
 			#dma-cells = <4>;
 			st,mem2mem;
 			dma-requests = <8>;
@@ -989,6 +991,7 @@
 			dma-masters = <&dma1 &dma2>;
 			dma-channels = <16>;
 			clocks = <&rcc DMAMUX>;
+			resets = <&rcc DMAMUX_R>;
 		};
 
 		adc: adc@48003000 {
@@ -1281,6 +1284,7 @@
 			reg = <0x58000000 0x1000>;
 			interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc MDMA>;
+			resets = <&rcc MDMA_R>;
 			#dma-cells = <5>;
 			dma-channels = <32>;
 			dma-requests = <48>;
-- 
2.17.1


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