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

From: Amelie Delaunay
Date: Tue Feb 01 2022 - 11:07:40 EST


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@xxxxxxxxxxx>
---
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@40010000 {
status = "disabled";
};

+ dma1: dma-controller@48000000 {
+ 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@48001000 {
+ 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@48002000 {
+ 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@50020000 {
compatible = "st,stm32mp157-syscfg", "syscon";
reg = <0x50020000 0x400>;
--
2.25.1