linux-kernel - [PATCH 15/15] arm64: dts: imx8mm-phycore-som: Add overlay to disable SPI NOR flash

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Message-Id: <20241125081814.397352-16-andrej.picej@norik.com>
Date: Mon, 25 Nov 2024 09:18:14 +0100
From: Andrej Picej <andrej.picej@...ik.com>
To: shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	upstream@...ts.phytec.de
Subject: [PATCH 15/15] arm64: dts: imx8mm-phycore-som: Add overlay to disable SPI NOR flash

From: Teresa Remmet <t.remmet@...tec.de>

There are SoM variants with no SPI NOR flash populated. Add overlay to be
able to support this.

Signed-off-by: Teresa Remmet <t.remmet@...tec.de>
Signed-off-by: Andrej Picej <andrej.picej@...ik.com>
---
 arch/arm64/boot/dts/freescale/Makefile           |  2 ++
 .../freescale/imx8mm-phycore-no-spiflash.dtso    | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-phycore-no-spiflash.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index da6ddce6b7c7..6dcefd58996d 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -126,11 +126,13 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-rdk.dtb
 imx8mm-phyboard-polis-peb-av-10-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phyboard-polis-peb-av-10.dtbo
 imx8mm-phyboard-polis-peb-eval-01-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phyboard-polis-peb-eval-01.dtbo
 imx8mm-phycore-no-eth-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phycore-no-eth.dtbo
+imx8mm-phycore-no-spiflash-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phycore-no-spiflash.dtbo
 imx8mm-phycore-rpmsg-dtbs += imx8mm-phyboard-polis-rdk.dtb imx8mm-phycore-rpmsg.dtbo
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-peb-av-10.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-peb-eval-01.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-phycore-no-eth.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-phycore-no-spiflash.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-phycore-rpmsg.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-phygate-tauri-l.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-no-spiflash.dtso b/arch/arm64/boot/dts/freescale/imx8mm-phycore-no-spiflash.dtso
new file mode 100644
index 000000000000..71918a3241d5
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-no-spiflash.dtso
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2024 PHYTEC Messtechnik GmbH
+ * Author: Teresa Remmet <t.remmet@...tec.de>
+ */
+
+/dts-v1/;
+/plugin/;
+
+&flexspi {
+	status = "disabled";
+};
+
+&som_flash {
+	status = "disabled";
+};
-- 
2.34.1