linux/arch/arm64/boot
Peter Geis 09f91381fa arm64: dts: rockchip: fix rk3328 sdmmc0 write errors
Various rk3328 based boards experience occasional sdmmc0 write errors.
This is due to the rk3328.dtsi tx drive levels being set to 4ma, vs
8ma per the rk3328 datasheet default settings.

Fix this by setting the tx signal pins to 8ma.
Inspiration from tonymac32's patch,
dc1212b347

Fixes issues on the rk3328-roc-cc and the rk3328-rock64 (as per the
above commit message).

Tested on the rk3328-roc-cc board.

Fixes: 52e02d377a ("arm64: dts: rockchip: add core dtsi file for RK3328 SoCs")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2019-03-18 08:45:29 +01:00
..
dts arm64: dts: rockchip: fix rk3328 sdmmc0 write errors 2019-03-18 08:45:29 +01:00
.gitignore
install.sh
Makefile