linux-kernel - [PATCH] apalis

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Message-Id: <20180625075948.32040-1-marcel@ziswiler.com>
Date:   Mon, 25 Jun 2018 09:59:48 +0200
From:   Marcel Ziswiler <marcel@...wiler.com>
To:     linux-tegra@...r.kernel.org, linux-can@...r.kernel.org
Cc:     Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        devicetree@...r.kernel.org,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH] apalis_t30: fix can2

From: Marcel Ziswiler <marcel.ziswiler@...adex.com>

CAN2 currently fails on probe as follows:

mcp251x spi1.1: Probe failed, err=19

Fix this by enabling input on pin mux of resp. SPI4 pins.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>

---

 arch/arm/boot/dts/tegra30-apalis.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index d1d21ec2a844..9ff6aafd72b3 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -118,6 +118,7 @@
 				nvidia,function = "spi4";
 				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
 			};
 			/* CAN_INT2 */
 			spi2_cs2_n_pw3 {
-- 
2.14.4