linux-kernel - [PATCH 2/2] ARM: dts: stm32: add MDMA on STM32MP13x SoC family

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Date:   Tue, 1 Feb 2022 17:05:06 +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 2/2] ARM: dts: stm32: add MDMA on STM32MP13x SoC family

MDMA on STM32MP13x SoCs is the same than on STM32MP15x SoCs: it offers up
to 32 channels and supports 48 requests.

Signed-off-by: Amelie Delaunay <amelie.delaunay@...s.st.com>
---
 arch/arm/boot/dts/stm32mp131.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
index e64fa10ac245..b2377a22b511 100644
--- a/arch/arm/boot/dts/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/stm32mp131.dtsi
@@ -165,6 +165,16 @@ syscfg: syscon@...20000 {
 			clocks = <&clk_pclk3>;
 		};
 
+		mdma: dma-controller@...00000 {
+			compatible = "st,stm32h7-mdma";
+			reg = <0x58000000 0x1000>;
+			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_pclk4>;
+			#dma-cells = <5>;
+			dma-channels = <32>;
+			dma-requests = <48>;
+		};
+
 		sdmmc1: mmc@...05000 {
 			compatible = "arm,pl18x", "arm,primecell";
 			arm,primecell-periphid = <0x00253180>;
-- 
2.25.1