Re: [linux-sunxi] [PATCH 5/7] arm64: dts: allwinner: A64: Limit MMC2 bus frequency to 150 MHz

2021-01-06 Thread Chen-Yu Tsai
On Wed, Jan 6, 2021 at 11:06 PM Andre Przywara wrote: > > In contrast to the H6 (and later) manuals, the A64 datasheet does not > specify any limitations in the maximum possible frequency for eMMC > controllers. > However experimentation has found that a 150 MHz limit similar to other > SoCs and

[linux-sunxi] [PATCH 5/7] arm64: dts: allwinner: A64: Limit MMC2 bus frequency to 150 MHz

2021-01-06 Thread Andre Przywara
In contrast to the H6 (and later) manuals, the A64 datasheet does not specify any limitations in the maximum possible frequency for eMMC controllers. However experimentation has found that a 150 MHz limit similar to other SoCs and also the MMC0 and MMC1 controllers on the A64 seems to exist for