ARM: zynq: Describe nand device in DT

Linux requires to describe nand structure under nand controller.
If it is not described nand device is not detected by Linux.

Error shown by Linux kernel:
pl35x-nand-controller e1000000.nand-controller: Incorrect number of NAND chips (0)
pl35x-nand-controller: probe of e1000000.nand-controller failed with error -22

When wired:
nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
nand: Micron MT29F2G08ABAEAWP
nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/3fcd68ccdfed5e6c079681e3b29e06583ec8a375.1695378830.git.michal.simek@amd.com

diff --git a/arch/arm/dts/bitmain-antminer-s9.dts b/arch/arm/dts/bitmain-antminer-s9.dts
index 6c47396ce7598f098482940f87b5e86a25903e50..0228b4b30e5ba95ce834360f79a638485b500161 100644 (file)
--- a/arch/arm/dts/bitmain-antminer-s9.dts
+++ b/arch/arm/dts/bitmain-antminer-s9.dts
@@ -52,6 +52,9 @@
 
 &nfc0 {
        status = "okay";
+       nand@0 {
+               reg = <0>;
+       };
 };
 
 &smcc {

diff --git a/arch/arm/dts/zynq-zc770-xm011.dts b/arch/arm/dts/zynq-zc770-xm011.dts
index 02214349feb7424646910f69772b8095eb2852b1..d1e971254e51b0514c3fbb2bec6b54925ffc1b90 100644 (file)
--- a/arch/arm/dts/zynq-zc770-xm011.dts
+++ b/arch/arm/dts/zynq-zc770-xm011.dts
@@ -49,6 +49,9 @@
 
 &nfc0 {
        status = "okay";
+       nand@0 {
+               reg = <0>;
+       };
 };
 
 &smcc {