linux-kernel - [PATCH v3 3/5] arm64: tegra: Fix CD on Jetson AGX Xavier SDMMC1

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Message-Id: <20201014175627.5585-4-tszucs@protonmail.ch>
Date:   Wed, 14 Oct 2020 19:56:25 +0200
From:   Tamás Szűcs <tszucs@...tonmail.ch>
To:     Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        JC Kuo <jckuo@...dia.com>, Vidya Sagar <vidyas@...dia.com>,
        Sameer Pujar <spujar@...dia.com>, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Tamás Szűcs <tszucs@...tonmail.ch>
Subject: [PATCH v3 3/5] arm64: tegra: Fix CD on Jetson AGX Xavier SDMMC1

Change GPIO used for card detection on SDMMC1. Also, specify bus width and
disable write protect while at it.

Signed-off-by: Tamás Szűcs <tszucs@...tonmail.ch>
---
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index d71b7a1140fe..31b5f00a7547 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -75,7 +75,9 @@
 
 		/* SDMMC1 (SD/MMC) */
 		mmc@...0000 {
-			cd-gpios = <&gpio TEGRA194_MAIN_GPIO(A, 0) GPIO_ACTIVE_LOW>;
+			bus-width = <4>;
+			cd-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
+			disable-wp;
 		};
 
 		/* SDMMC4 (eMMC) */
-- 
2.20.1