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Message-ID: <20251013152645.1119308-16-richard.genoud@bootlin.com>
Date: Mon, 13 Oct 2025 17:26:45 +0200
From: Richard Genoud <richard.genoud@...tlin.com>
To: Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>
Cc: Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	Wentao Liang <vulab@...as.ac.cn>,
	Johan Hovold <johan@...nel.org>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-mtd@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Richard Genoud <richard.genoud@...tlin.com>
Subject: [PATCH v2 15/15] arm64: dts: allwinner: h616: add NAND controller

The H616 has a NAND controller quite similar to the A10/A23 ones, but
with some register differences, more clocks (for ECC and MBUS), more ECC
strengths, so this requires a new compatible string.

Add the NAND controller node and pins in the device tree.

Signed-off-by: Richard Genoud <richard.genoud@...tlin.com>
---
 .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index ceedae9e399b..bb53c6c63836 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -304,6 +304,42 @@ mmc2_pins: mmc2-pins {
 				bias-pull-up;
 			};
 
+			/omit-if-no-ref/
+			nand_pins: nand-pins {
+				pins = "PC0", "PC1", "PC2", "PC5", "PC8", "PC9",
+				       "PC10", "PC11", "PC12", "PC13", "PC14",
+				       "PC15", "PC16";
+				function = "nand0";
+			};
+
+			/omit-if-no-ref/
+			nand_cs0_pin: nand-cs0-pin {
+				pins = "PC4";
+				function = "nand0";
+				bias-pull-up;
+			};
+
+			/omit-if-no-ref/
+			nand_cs1_pin: nand-cs1-pin {
+				pins = "PC3";
+				function = "nand0";
+				bias-pull-up;
+			};
+
+			/omit-if-no-ref/
+			nand_rb0_pin: nand-rb0-pin {
+				pins = "PC6";
+				function = "nand0";
+				bias-pull-up;
+			};
+
+			/omit-if-no-ref/
+			nand_rb1_pin: nand-rb1-pin {
+				pins = "PC7";
+				function = "nand0";
+				bias-pull-up;
+			};
+
 			/omit-if-no-ref/
 			spi0_pins: spi0-pins {
 				pins = "PC0", "PC2", "PC4";
@@ -377,6 +413,21 @@ iommu: iommu@...0000 {
 			#iommu-cells = <1>;
 		};
 
+		nfc: nand-controller@...1000 {
+			compatible = "allwinner,sun50i-h616-nand-controller";
+			reg = <0x04011000 0x1000>;
+			interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_NAND>, <&ccu CLK_NAND0>,
+				<&ccu CLK_NAND1>, <&ccu CLK_MBUS_NAND>;
+			clock-names = "ahb", "mod", "ecc", "mbus";
+			resets = <&ccu RST_BUS_NAND>;
+			reset-names = "ahb";
+			dmas = <&dma 10>;
+			dma-names = "rxtx";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		mmc0: mmc@...0000 {
 			compatible = "allwinner,sun50i-h616-mmc",
 				     "allwinner,sun50i-a100-mmc";

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