linux-kernel - [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller

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Date:   Mon, 3 May 2021 09:43:35 +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>,
        "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>
CC:     <Hongweiz@....com>, <ryan_chen@...eedtech.com>,
        <chin-ting_kuo@...eedtech.com>
Subject: [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller

Set eMMC input clock phase to 3, which is more stable on AST2600 EVBs.

Signed-off-by: Steven Lee <steven_lee@...eedtech.com>
---
 arch/arm/boot/dts/aspeed-ast2600-evb.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index 2772796e215e..7a93317e27dc 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -102,6 +102,7 @@
 
 &emmc_controller {
 	status = "okay";
+	timing-phase = <0x300FF>;
 };
 
 &emmc {
-- 
2.17.1