From 2e4b1e591827299d34dca2c83314c58a9eca37ac Mon Sep 17 00:00:00 2001 From: Tianling Shen Date: Sat, 13 Jan 2024 14:33:27 +0800 Subject: [PATCH] mediatek: lower spi-nand speed for bpi r3-mini 52 MHz doesn't seem to work stable for some boards. Signed-off-by: Tianling Shen (cherry picked from commit a9a4005468e9ce776e1e6c114af7e51157aa55de) --- package/boot/uboot-mediatek/patches/451-add-bpi-r3-mini.patch | 2 +- target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/package/boot/uboot-mediatek/patches/451-add-bpi-r3-mini.patch b/package/boot/uboot-mediatek/patches/451-add-bpi-r3-mini.patch index 20bd366d6a..b3506cd75c 100644 --- a/package/boot/uboot-mediatek/patches/451-add-bpi-r3-mini.patch +++ b/package/boot/uboot-mediatek/patches/451-add-bpi-r3-mini.patch @@ -493,7 +493,7 @@ + spi_nand@0 { + compatible = "spi-nand"; + reg = <0>; -+ spi-max-frequency = <52000000>; ++ spi-max-frequency = <20000000>; + + partitions { + compatible = "fixed-partitions"; diff --git a/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts b/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts index bdc122cc66..f044c46180 100644 --- a/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts +++ b/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts @@ -452,7 +452,7 @@ #size-cells = <1>; reg = <0>; - spi-max-frequency = <52000000>; + spi-max-frequency = <20000000>; spi-tx-bus-width = <4>; spi-rx-bus-width = <4>;