[PATCH v2 1/3] dt-bindings: dmaengine: sprd: deprecate '#dma-channels'

From: Krzysztof Kozlowski
Date: Tue May 03 2022 - 02:53:27 EST


The generic property, used in most of the drivers and defined in generic
dma-common DT bindings, is 'dma-channels'.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/dma/sprd-dma.txt | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/sprd-dma.txt b/Documentation/devicetree/bindings/dma/sprd-dma.txt
index adccea9941f1..c7e9b5fd50e7 100644
--- a/Documentation/devicetree/bindings/dma/sprd-dma.txt
+++ b/Documentation/devicetree/bindings/dma/sprd-dma.txt
@@ -8,10 +8,13 @@ Required properties:
- interrupts: Should contain one interrupt shared by all channel.
- #dma-cells: must be <1>. Used to represent the number of integer
cells in the dmas property of client device.
-- #dma-channels : Number of DMA channels supported. Should be 32.
+- dma-channels : Number of DMA channels supported. Should be 32.
- clock-names: Should contain the clock of the DMA controller.
- clocks: Should contain a clock specifier for each entry in clock-names.

+Deprecated properties:
+- #dma-channels : Number of DMA channels supported. Should be 32.
+
Example:

Controller:
@@ -20,7 +23,7 @@ apdma: dma-controller@20100000 {
reg = <0x20100000 0x4000>;
interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
#dma-cells = <1>;
- #dma-channels = <32>;
+ dma-channels = <32>;
clock-names = "enable";
clocks = <&clk_ap_ahb_gates 5>;
};
--
2.32.0