提交 9f175200 编写于 作者: A Andrew Jeffery 提交者: Zheng Zengkai

ARM: dts: tacoma: Add phase corrections for eMMC

stable inclusion
from stable-5.10.53
commit c28c747e37dbf7a60ccb8e1bd8333e85ef50c8dc
bugzilla: 175574 https://gitee.com/openeuler/kernel/issues/I4DTUX

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c28c747e37dbf7a60ccb8e1bd8333e85ef50c8dc

--------------------------------

commit 2d6608b5 upstream.

The degree values were reversed out from the magic tap values of 7 (in)
and 15 + inversion (out) initially suggested by Aspeed.

With the patch tacoma survives several gigabytes of reads and writes
using dd while without it locks up randomly during the boot process.
Signed-off-by: NAndrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210625061017.1149942-1-andrew@aj.id.au
Fixes: 2fc88f92 ("mmc: sdhci-of-aspeed: Expose clock phase controls")
Fixes: 961216c1 ("ARM: dts: aspeed: Add Rainier system")
Signed-off-by: NJoel Stanley <joel@jms.id.au>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
上级 d1645813
......@@ -177,6 +177,7 @@
&emmc {
status = "okay";
clk-phase-mmc-hs200 = <36>, <270>;
};
&fsim0 {
......
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