[openwrt/openwrt] bcm63xx: AD1018-nor: add NAND flash

[LEDE Commits]

noltari pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/3b6c93298cafcdada8a2b320e342b0125ae581d4

commit 3b6c93298cafcdada8a2b320e342b0125ae581d4
Author: Daniel González Cabanelas <dgcbueu at gmail.com>
AuthorDate: Sat Mar 6 19:59:19 2021 +0100

    bcm63xx: AD1018-nor: add NAND flash
    
    The Sercomm AD1018 has a NAND flash. We recently added support for NANDs
    in this target.
    
    Use the internal NAND as additional storage.
    
    Signed-off-by: Daniel González Cabanelas <dgcbueu at gmail.com>
    (cherry-picked from commit a48ef37747)
---
 .../bcm63xx/dts/bcm6328-sercomm-ad1018-nor.dts     | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018-nor.dts b/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018-nor.dts
index 83f7578b06..5a9f52648e 100644
--- a/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018-nor.dts
+++ b/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018-nor.dts
@@ -146,6 +146,30 @@
 	};
 };
 
+&nflash {
+	status = "okay";
+
+	nandcs at 0 {
+		compatible = "brcm,nandcs";
+		reg = <0>;
+		nand-ecc-step-size = <512>;
+		nand-ecc-strength = <15>;
+		nand-on-flash-bbt;
+		brcm,nand-oob-sector-size = <64>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition at 0 {
+				label = "storage";
+				reg = <0 0>; /* autodetected size */
+			};
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 };