1 /* 2 * Copyright (c) 2020 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #include <zephyr/kernel.h> 8 9 #define I2C_ENABLED(idx) (IS_ENABLED(CONFIG_I2C) && \ 10 DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(i2c##idx))) 11 12 #define SPI_ENABLED(idx) (IS_ENABLED(CONFIG_SPI) && \ 13 DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(spi##idx))) 14 15 #define UART_ENABLED(idx) (IS_ENABLED(CONFIG_SERIAL) && \ 16 (IS_ENABLED(CONFIG_SOC_SERIES_NRF53X) || \ 17 IS_ENABLED(CONFIG_SOC_SERIES_NRF54LX) || \ 18 IS_ENABLED(CONFIG_SOC_SERIES_NRF91X)) && \ 19 DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart##idx))) 20 21 /* 22 * In most Nordic SoCs, SPI and TWI peripherals with the same instance number 23 * share certain resources and therefore cannot be used at the same time (in 24 * nRF53, nRF54L and nRF91 Series this limitation concerns UART peripherals as well). 25 * 26 * In some SoCs, like nRF52810, there are only single instances of 27 * these peripherals and they are arranged in a different way, so this 28 * limitation does not apply. 29 * 30 * The build assertions below check if conflicting peripheral instances are not 31 * enabled simultaneously. 32 */ 33 34 #define CHECK(idx) \ 35 !(I2C_ENABLED(idx) && SPI_ENABLED(idx)) && \ 36 !(I2C_ENABLED(idx) && UART_ENABLED(idx)) && \ 37 !(SPI_ENABLED(idx) && UART_ENABLED(idx)) 38 39 #define MSG(idx) \ 40 "Only one of the following peripherals can be enabled: " \ 41 "SPI"#idx", SPIM"#idx", SPIS"#idx", TWI"#idx", TWIM"#idx", TWIS"#idx \ 42 IF_ENABLED(CONFIG_SOC_SERIES_NRF53X, (", UARTE"#idx)) \ 43 IF_ENABLED(CONFIG_SOC_SERIES_NRF54LX, (", UARTE"#idx)) \ 44 IF_ENABLED(CONFIG_SOC_SERIES_NRF91X, (", UARTE"#idx)) \ 45 ". Check nodes with status \"okay\" in zephyr.dts." 46 47 #if (!IS_ENABLED(CONFIG_SOC_NRF52810) && \ 48 !IS_ENABLED(CONFIG_SOC_NRF52805) && \ 49 !IS_ENABLED(CONFIG_SOC_NRF52811)) 50 BUILD_ASSERT(CHECK(0), MSG(0)); 51 #endif 52 BUILD_ASSERT(CHECK(1), MSG(1)); 53 BUILD_ASSERT(CHECK(2), MSG(2)); 54 BUILD_ASSERT(CHECK(3), MSG(3)); 55 BUILD_ASSERT(CHECK(00), MSG(00)); 56 BUILD_ASSERT(CHECK(20), MSG(20)); 57 BUILD_ASSERT(CHECK(21), MSG(21)); 58 BUILD_ASSERT(CHECK(22), MSG(22)); 59 BUILD_ASSERT(CHECK(30), MSG(30)); 60 61 #if defined(CONFIG_SOC_NRF52811) 62 BUILD_ASSERT(!(SPI_ENABLED(1) && I2C_ENABLED(0)), 63 "Only one of the following peripherals can be enabled: " 64 "SPI1, SPIM1, SPIS1, TWI0, TWIM0, TWIS0. " 65 "Check nodes with status \"okay\" in zephyr.dts."); 66 #endif 67
