1/* 2 * Copyright 2023 NXP 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/ { 8 aliases { 9 sram-ext = &is66wvq8m4; 10 }; 11}; 12 13&is66wvq8m4 { 14 status = "okay"; 15}; 16 17&pinctrl { 18 pinmux_flexspi_safe: pinmux-flexspi-safe { 19 group0 { 20 pinmux = <IO_MUX_QUAD_SPI_PSRAM_IO35 21 IO_MUX_QUAD_SPI_PSRAM_IO36 22 IO_MUX_QUAD_SPI_PSRAM_IO38 23 IO_MUX_QUAD_SPI_PSRAM_IO39 24 IO_MUX_QUAD_SPI_PSRAM_IO40 25 IO_MUX_QUAD_SPI_PSRAM_IO41>; 26 slew-rate = "normal"; 27 }; 28 29 group1 { 30 pinmux = <IO_MUX_QUAD_SPI_PSRAM_IO37>; 31 slew-rate = "normal"; 32 bias-pull-down; 33 }; 34 }; 35}; 36 37/* Override pin control state to use one that only changes the PSRAM pin 38 * configuration 39 */ 40&flexspi { 41 pinctrl-0 = <&pinmux_flexspi_safe>; 42}; 43