linux-kernel - [PATCH] ARM: dts: rainier: Disable internal pull-downs on eMMC pins

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Message-Id: <20200910031143.2997298-1-andrew@aj.id.au>
Date:   Thu, 10 Sep 2020 12:41:43 +0930
From:   Andrew Jeffery <andrew@...id.au>
To:     joel@....id.au
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: rainier: Disable internal pull-downs on eMMC pins

There's a veritable tug-of-war going on in the design, so disable one of
the warring parties.

Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
 arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 1fa233d2da26..21ae880c7530 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -180,6 +180,10 @@ &emmc_controller {
 	status = "okay";
 };
 
+&pinctrl_emmc_default {
+	bias-disable;
+};
+
 &emmc {
 	status = "okay";
 };
-- 
2.25.1