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author | Emmanuel Vadot <manu@FreeBSD.org> | 2020-04-14 16:56:11 +0000 |
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committer | Emmanuel Vadot <manu@FreeBSD.org> | 2020-04-14 16:56:11 +0000 |
commit | 937eaf8bbdcf7e2cd3231b71940f9221e6857210 (patch) | |
tree | f35da0d4b9188f1cb082442854ce86fcca10b7b4 /Bindings/dma/st,stm32-dmamux.yaml | |
parent | 995ee34fd27211af598f9adf111cb49609d1b3de (diff) | |
download | src-937eaf8bbdcf7e2cd3231b71940f9221e6857210.tar.gz src-937eaf8bbdcf7e2cd3231b71940f9221e6857210.zip |
Notes
Diffstat (limited to 'Bindings/dma/st,stm32-dmamux.yaml')
-rw-r--r-- | Bindings/dma/st,stm32-dmamux.yaml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Bindings/dma/st,stm32-dmamux.yaml b/Bindings/dma/st,stm32-dmamux.yaml new file mode 100644 index 000000000000..915bc4af9568 --- /dev/null +++ b/Bindings/dma/st,stm32-dmamux.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/st,stm32-dmamux.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 DMA MUX (DMA request router) bindings + +maintainers: + - Amelie Delaunay <amelie.delaunay@st.com> + +allOf: + - $ref: "dma-router.yaml#" + +properties: + "#dma-cells": + const: 3 + + compatible: + const: st,stm32h7-dmamux + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - dma-masters + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stm32mp1-clks.h> + #include <dt-bindings/reset/stm32mp1-resets.h> + dma-router@40020800 { + compatible = "st,stm32h7-dmamux"; + reg = <0x40020800 0x3c>; + #dma-cells = <3>; + dma-requests = <128>; + dma-channels = <16>; + dma-masters = <&dma1 &dma2>; + clocks = <&timer_clk>; + }; + +... + |