linux-kernel - [PATCH v4 2/3] ARM: dts: aspeed: ast2600evb: Add phase correction for emmc controller.

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Date:   Thu, 20 May 2021 18:13:44 +0800
From:   Steven Lee <steven_lee@...eedtech.com>
To:     Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
        "Andrew Jeffery" <andrew@...id.au>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "Ulf Hansson" <ulf.hansson@...aro.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-aspeed@...ts.ozlabs.org>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:ASPEED SD/MMC DRIVER" <openbmc@...ts.ozlabs.org>,
        "open list:ASPEED SD/MMC DRIVER" <linux-mmc@...r.kernel.org>
CC:     <steven_lee@...eedtech.com>, <Hongweiz@....com>,
        <ryan_chen@...eedtech.com>, <chin-ting_kuo@...eedtech.com>
Subject: [PATCH v4 2/3] ARM: dts: aspeed: ast2600evb: Add phase correction for emmc controller.

Set MMC timing-phase register by adding the phase correction binding in the
device tree.

Signed-off-by: Steven Lee <steven_lee@...eedtech.com>
Acked-by: Andrew Jeffery <andrew@...id.au>
---
 arch/arm/boot/dts/aspeed-ast2600-evb.dts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index 2772796e215e..2b8634513fe6 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -107,7 +107,8 @@
 &emmc {
 	non-removable;
 	bus-width = <4>;
-	max-frequency = <52000000>;
+	max-frequency = <100000000>;
+	clk-phase-mmc-hs200 = <9>, <225>;
 };
 
 &rtc {
-- 
2.17.1