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soc: atmel_sam0: Introduce DMA CTLR macro

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Add a macro similar to ATMEL_SAM0_DT_INST_DMA_NAME but instead
provides the devicetree node back via DT_INST_DMAS_CTLR_BY_NAME

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2021-03-06 09:48:14 -06:00 • committed by Kumar Gala
commit 5c904c9f5b
1 changed files with 4 additions and 0 deletions
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4
soc/arm/atmel_sam0/common/atmel_sam0_dt.h
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@ -33,6 +33,10 @@
COND_CODE_1(DT_INST_NODE_HAS_PROP(n, dmas), \ COND_CODE_1(DT_INST_NODE_HAS_PROP(n, dmas), \
(DT_INST_DMAS_LABEL_BY_NAME(n, name)), \ (DT_INST_DMAS_LABEL_BY_NAME(n, name)), \
(NULL)) (NULL))
#define ATMEL_SAM0_DT_INST_DMA_CTLR(n, name) \
COND_CODE_1(DT_INST_NODE_HAS_PROP(n, dmas), \
(DT_INST_DMAS_CTLR_BY_NAME(n, name)), \
(DT_INVALID_NODE))
/* Use to check if a sercom 'n' is enabled for a given 'compat' */ /* Use to check if a sercom 'n' is enabled for a given 'compat' */