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soc: nordic_nrf: add NRF_DT_GPIOS_TO_PSEL_OR

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Helper macro for getting the PSEL value from optional devicetree
properties.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This commit is contained in:
Martí Bolívar 2021-07-19 17:34:25 -07:00 • committed by Christopher Friedt
commit 50b267f1d6
1 changed files with 12 additions and 0 deletions
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12
soc/arm/nordic_nrf/soc_nrf_common.h
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@ -130,6 +130,18 @@
(DT_GPIO_PIN(node_id, prop) + \ (DT_GPIO_PIN(node_id, prop) + \
(DT_PROP_BY_PHANDLE(node_id, prop, port) << 5)) (DT_PROP_BY_PHANDLE(node_id, prop, port) << 5))
/**
* If the node has the property, expands to
* NRF_DT_GPIOS_TO_PSEL(node_id, prop). The default_value argument is
* not expanded in this case.
*
* Otherwise, expands to default_value.
*/
#define NRF_DT_GPIOS_TO_PSEL_OR(node_id, prop, default_value) \
COND_CODE_1(DT_NODE_HAS_PROP(node_id, prop), \
(NRF_DT_GPIOS_TO_PSEL(node_id, prop)), \
(default_value))
/** /**
* Error out the build if 'prop' is set on node 'node_id' and * Error out the build if 'prop' is set on node 'node_id' and
* DT_GPIO_CTLR(node_id, prop) is not an SoC GPIO controller, * DT_GPIO_CTLR(node_id, prop) is not an SoC GPIO controller,