linux-kernel - [PATCH 1/2] ARM: dts: stm32: add DMA1, DMA2 and DMAMUX1 on STM32MP13x SoC family

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Message-ID: <20220201160506.348701-2-amelie.delaunay@foss.st.com>
Date:   Tue, 1 Feb 2022 17:05:05 +0100
From:   Amelie Delaunay <amelie.delaunay@...s.st.com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Amelie Delaunay <amelie.delaunay@...s.st.com>
Subject: [PATCH 1/2] ARM: dts: stm32: add DMA1, DMA2 and DMAMUX1 on STM32MP13x SoC family

DMA1 and DMA2 on STM32MP13x SoCs are the same than on STM32MP15x SoCs: they
offer up to 8 channels and request lines are routed through DMAMUX1.

Signed-off-by: Amelie Delaunay <amelie.delaunay@...s.st.com>
---
 arch/arm/boot/dts/stm32mp131.dtsi | 44 +++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
index 86126dc0d898..e64fa10ac245 100644
--- a/arch/arm/boot/dts/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/stm32mp131.dtsi
@@ -115,6 +115,50 @@ uart4: serial@...10000 {
 			status = "disabled";
 		};
 
+		dma1: dma-controller@...00000 {
+			compatible = "st,stm32-dma";
+			reg = <0x48000000 0x400>;
+			interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_pclk4>;
+			#dma-cells = <4>;
+			st,mem2mem;
+			dma-requests = <8>;
+		};
+
+		dma2: dma-controller@...01000 {
+			compatible = "st,stm32-dma";
+			reg = <0x48001000 0x400>;
+			interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_pclk4>;
+			#dma-cells = <4>;
+			st,mem2mem;
+			dma-requests = <8>;
+		};
+
+		dmamux1: dma-router@...02000 {
+			compatible = "st,stm32h7-dmamux";
+			reg = <0x48002000 0x40>;
+			clocks = <&clk_pclk4>;
+			#dma-cells = <3>;
+			dma-masters = <&dma1 &dma2>;
+			dma-requests = <128>;
+			dma-channels = <16>;
+		};
+
 		syscfg: syscon@...20000 {
 			compatible = "st,stm32mp157-syscfg", "syscon";
 			reg = <0x50020000 0x400>;
-- 
2.25.1