linux-kernel - [PATCH v4 7/8] arm64: dts: imx8mm-kontron: Add SPI NOR partition layout

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Date:   Mon, 22 Aug 2022 10:03:53 +0200
From:   Frieder Schrempf <frieder@...s.de>
To:     devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        Fabio Estevam <festevam@...il.com>,
        Heiko Thiery <heiko.thiery@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: [PATCH v4 7/8] arm64: dts: imx8mm-kontron: Add SPI NOR partition layout

From: Frieder Schrempf <frieder.schrempf@...tron.de>

This is the layout used by the bootloader. Add it to the kernel
devicetree to make the same layout available in Linux and have
the devicetrees synced.

Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
---
Changes in v4:
* fix hex values in reg to be lowercase
* fix unit addresses to match reg

Changes in v3:
* rebase on v6.0-rc1

Changes in v2:
* new patch
---
 .../boot/dts/freescale/imx8mm-kontron-sl.dtsi | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi
index ce9c27619e26..0679728d2489 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi
@@ -66,6 +66,27 @@ flash@0 {
 		compatible = "mxicy,mx25r1635f", "jedec,spi-nor";
 		spi-max-frequency = <80000000>;
 		reg = <0>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x1e0000>;
+			};
+
+			partition@...000 {
+				label = "env";
+				reg = <0x1e0000 0x10000>;
+			};
+
+			partition@...000 {
+				label = "env_redundant";
+				reg = <0x1f0000 0x10000>;
+			};
+		};
 	};
 };
 
-- 
2.37.2