1/* 2 * Copyright (c) 2024 Renesas Electronics Corporation 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/ { 8 aliases { 9 sram-ext = &memc; 10 }; 11}; 12 13&psram { 14 status = "okay"; 15}; 16 17/* QSPIC settings for the APS6404L-3SQR QSPI PSRAM memory in QPI mode. */ 18&memc { 19 status = "okay"; 20 is-ram; 21 dev-size = <DT_SIZE_M(64)>; 22 dev-type = <0x5D>; 23 dev-id = <0x0D>; 24 dev-density = <0xE040>; 25 reset-delay-us = <50>; 26 read-cs-idle-min-ns = <18>; 27 tcem-max-us = <2>; 28 enter-qpi-mode; 29 enter-qpi-cmd = <0x35>; 30 extra-byte-enable; 31 extra-byte = <0x0>; 32 dummy-bytes-count = "dummy-bytes-count2"; 33 read-cmd = <0xEB>; 34 write-cmd = <0x38>; 35 rx-inst-mode = "quad-spi"; 36 rx-addr-mode = "quad-spi"; 37 rx-data-mode = "quad-spi"; 38 rx-dummy-mode = "quad-spi"; 39 rx-extra-mode = "quad-spi"; 40 tx-inst-mode = "quad-spi"; 41 tx-addr-mode = "quad-spi"; 42 tx-data-mode = "quad-spi"; 43}; 44