| /* |
| * Copyright (c) 2020 Lemonbeat GmbH |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| |
| #include <nxp/nxp_lpc55S2x.dtsi> |
| #include "lpcxpresso55s28_common.dtsi" |
| |
| / { |
| model = "NXP LPCXpresso55S28 board"; |
| compatible = "nxp,lpc55xxx", "nxp,lpc"; |
| |
| aliases{ |
| sw0 = &user_button_1; |
| sw1 = &user_button_2; |
| sw2 = &user_button_3; |
| }; |
| |
| chosen { |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| zephyr,console = &flexcomm0; |
| zephyr,shell-uart = &flexcomm0; |
| zephyr,entropy = &rng; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| user_button_1: button_0 { |
| label = "User SW1"; |
| gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; |
| }; |
| user_button_2: button_1 { |
| label = "User SW2"; |
| gpios = <&gpio1 18 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; |
| }; |
| user_button_3: button_2 { |
| label = "User SW3"; |
| gpios = <&gpio1 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; |
| }; |
| }; |
| }; |
| |
| &gpio0 { |
| status = "okay"; |
| }; |
| |
| &gpio1 { |
| status = "okay"; |
| }; |
| |
| &green_led { |
| status = "okay"; |
| }; |
| |
| &red_led { |
| status = "okay"; |
| }; |
| |
| &flexcomm0 { |
| status = "okay"; |
| }; |
| |
| &flexcomm4 { |
| status = "okay"; |
| }; |
| |
| &hs_lspi { |
| status = "okay"; |
| dmas = <&dma0 2>, <&dma0 3>; |
| dma-names = "rx", "tx"; |
| }; |
| |
| &wwdt0 { |
| status = "okay"; |
| }; |
| |
| &adc0 { |
| status = "okay"; |
| pinctrl-0 = <&pinmux_lpadc0>; |
| pinctrl-names = "default"; |
| }; |
| |
| &dma0 { |
| /* |
| * The total number of dma channels available is defined by |
| * FSL_FEATURE_DMA_NUMBER_OF_CHANNELS in the SoC features file. |
| * Since memory from the heap pool is allocated based on the number |
| * of DMA channels, set this property to as many channels is needed |
| * for the platform. Adjust HEAP_MEM_POOL_SIZE in case you need more |
| * memory. |
| */ |
| dma-channels = <20>; |
| status = "okay"; |
| }; |