linux-kernel - [PATCH v2 2/3] arm64: dts: marvell: Add NAND flash controller to AC5

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Message-ID: <20230626031217.870938-3-chris.packham@alliedtelesis.co.nz>
Date:   Mon, 26 Jun 2023 15:12:16 +1200
From:   Chris Packham <chris.packham@...iedtelesis.co.nz>
To:     miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, gregory.clement@...tlin.com,
        pierre.gondois@....com, arnd@...db.de, f.fainelli@...il.com
Cc:     linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v2 2/3] arm64: dts: marvell: Add NAND flash controller to AC5

The AC5/AC5X SoC has a NAND flash controller (NFC). Add this to
the base SoC dtsi file as a disabled node. The NFC integration
on the AC5/AC5X only supports SDR timing modes up to 3 so requires a
dedicated compatible property so this limitation can be enforced.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---

Notes:
    Changes in v2:
    - New.

 arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
index 8bce64069138..74d644e0c29e 100644
--- a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
@@ -296,6 +296,16 @@ spi1: spi@...a8000 {
 			status = "disabled";
 		};
 
+		nand: nand-controller@...b0000 {
+			compatible = "marvell,ac5-nand-controller";
+			reg =  <0x0 0x805b0000 0x0 0x00000054>;
+			#address-cells = <0x1>;
+			#size-cells = <0x0>;
+			interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cnm_clock>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@...00000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <3>;
-- 
2.41.0