# SPDX-License-Identifier: MIT
#
# DT-driven PSRAM auto-enable for ESP32 boards.
#
# Each ESP32 board DTS sets &psram0 { size = ...; } when its module has PSRAM
# stuffed (R-suffix in the Espressif part number); since Zephyr 4.5 the board
# declares it, the per-module esp32*_wroom_n*r*.dtsi files are gone.  We
# auto-enable PSRAM whenever the DTS size is non-zero — the upstream
# Kconfig.spiram then auto-reads ESP_SPIRAM_SIZE from the same DT property.
#
# Boards without PSRAM leave psram0 at the SoC dtsi's size = 0 — auto-detect
# leaves PSRAM off for them.
# ESP32-C3 and ESP32-C6 are outside Kconfig.spiram's SOC gate entirely, so
# this symbol doesn't exist on those builds — no effect.
#
# Mode (QUAD vs OCT) cannot be auto-picked here: upstream Kconfig.spiram
# sets an unconditional `default SPIRAM_MODE_QUAD` on the choice, which wins
# over any conditional default we'd add. ESP32-S3 R8 boards (8 MB OPI octal
# PSRAM) must set CONFIG_SPIRAM_MODE_OCT=y in their board.conf. R2 boards
# (2 MB QSPI quad) need nothing — QUAD is the upstream default.

config ESP_SPIRAM
	default y if (SOC_SERIES_ESP32 || SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 || SOC_SERIES_ESP32C5) && \
		"$(dt_node_int_prop_int,$(dt_nodelabel_path,psram0),size)" != 0