diff options
Diffstat (limited to 'zephyr/shim/include/gpio/gpio.h')
| -rw-r--r-- | zephyr/shim/include/gpio/gpio.h | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/zephyr/shim/include/gpio/gpio.h b/zephyr/shim/include/gpio/gpio.h index fbe57729fe..b2cdc954d9 100644 --- a/zephyr/shim/include/gpio/gpio.h +++ b/zephyr/shim/include/gpio/gpio.h @@ -9,6 +9,7 @@ #include <zephyr/device.h> #include <zephyr/devicetree.h> #include <zephyr/drivers/gpio.h> +#include <zephyr/toolchain.h> /* * Validate interrupt flags are valid for the Zephyr GPIO driver. @@ -66,22 +67,18 @@ int gpio_config_unused_pins(void) __attribute__((weak)); */ int gpio_configure_port_pin(int port, int id, int flags) __attribute__((weak)); -#if DT_NODE_EXISTS(DT_PATH(unused_pins)) -/** - * @brief Get a node from path '/unused-pins' which has a prop 'unused-gpios'. - * It contains unused GPIOs and chip vendor needs to configure them for - * better power consumption in the lowest power state. - * - * @return node identifier with that path. - */ -#define UNUSED_PINS_LIST DT_PATH(unused_pins) +BUILD_ASSERT(DT_NUM_INST_STATUS_OKAY(unused_gpios) <= 1, + "at most one unused-gpios compatible node may be present"); + +#define UNUSED_GPIOS_NODE DT_COMPAT_GET_ANY_STATUS_OKAY(unused_gpios) +#if DT_NODE_EXISTS(UNUSED_GPIOS_NODE) /** * @brief Length of 'unused-gpios' property * * @return length of 'unused-gpios' prop which type is 'phandle-array' */ -#define UNUSED_GPIOS_LIST_LEN DT_PROP_LEN(UNUSED_PINS_LIST, unused_gpios) +#define UNUSED_GPIOS_LIST_LEN DT_PROP_LEN(UNUSED_GPIOS_NODE, unused_gpios) /** * @brief Construct a unused_pin_config structure from 'unused-gpios' property @@ -90,13 +87,13 @@ int gpio_configure_port_pin(int port, int id, int flags) __attribute__((weak)); * @param i index of 'unused-gpios' prop which type is 'phandles-array' * @return unused_pin_config item at index 'i' */ -#define UNUSED_GPIO_CONFIG_BY_IDX(i, _) \ - { \ - .dev_name = DEVICE_DT_NAME(DT_GPIO_CTLR_BY_IDX( \ - UNUSED_PINS_LIST, unused_gpios, i)), \ - .pin = DT_GPIO_PIN_BY_IDX(UNUSED_PINS_LIST, unused_gpios, i), \ - .flags = DT_GPIO_FLAGS_BY_IDX(UNUSED_PINS_LIST, unused_gpios, \ - i), \ +#define UNUSED_GPIO_CONFIG_BY_IDX(i, _) \ + { \ + .dev_name = DEVICE_DT_NAME(DT_GPIO_CTLR_BY_IDX( \ + UNUSED_GPIOS_NODE, unused_gpios, i)), \ + .pin = DT_GPIO_PIN_BY_IDX(UNUSED_GPIOS_NODE, unused_gpios, i), \ + .flags = DT_GPIO_FLAGS_BY_IDX(UNUSED_GPIOS_NODE, unused_gpios, \ + i), \ }, /** @@ -124,6 +121,6 @@ int gpio_configure_port_pin(int port, int id, int flags) __attribute__((weak)); #else #define UNUSED_GPIO_CONFIG_LIST /* Nothing if no 'unused-pins' node */ -#endif /* unused_pins */ +#endif /* DT_NODE_EXISTS(UNUSED_GPIOS_NODE) */ #endif /* ZEPHYR_SHIM_INCLUDE_GPIO_GPIO_H_ */ |