mediatek: Xiaomi AX3000t: enable SPI calibration

Xiaomi enabled SPI calibration in new firmware:
- 1.0.84 and newer (rd03 model)
- 1.0.76 and newer (rd23 model)

This enables SPI calibration routines in OpenWrt too.

Tested-by: Aleksandr Danilov <sc16me@gmail.com>
Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17976
(cherry picked from commit 043df82cea89786f1dcdfe47af1736bf8833fde9)
Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18270
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/target/linux/mediatek/dts/mt7981b-xiaomi-mi-router-common.dtsi b/target/linux/mediatek/dts/mt7981b-xiaomi-mi-router-common.dtsi
index c64b55cf6fa4ee1390c33c78a764b82314b19b83..511184d771b4243830c892b23fb4a686879efb8a 100644 (file)
--- a/target/linux/mediatek/dts/mt7981b-xiaomi-mi-router-common.dtsi
+++ b/target/linux/mediatek/dts/mt7981b-xiaomi-mi-router-common.dtsi
@@ -315,6 +315,13 @@
                compatible = "spi-nand";
                reg = <0>;
 
+               spi-cal-enable;
+               spi-cal-mode = "read-data";
+               spi-cal-datalen = <7>;
+               spi-cal-data = /bits/ 8 <0x53 0x50 0x49 0x4e 0x41 0x4e 0x44>;
+               spi-cal-addrlen = <5>;
+               spi-cal-addr = /bits/ 32 <0x0 0x0 0x0 0x0 0x0>;
+
                spi-max-frequency = <52000000>;
                spi-tx-bus-width = <4>;
                spi-rx-bus-width = <4>;