From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Sat, 1 Sep 2018 08:12:44 +0000 (+0200)
Subject: ARM: tegra: colibri_t30: fix mcp2515 can controller interrupt polarity
X-Git-Tag: v4.20-rc1~66^2~31^2~62
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=503fcd8464fb6cd18073e97dec59b933930655d6;p=thirdparty%2Flinux.git

ARM: tegra: colibri_t30: fix mcp2515 can controller interrupt polarity

Fix the MCP2515 SPI CAN controller interrupt polarity which according
to its datasheet defaults to low-active aka falling edge.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
index c63ef3aedb7a1..ee0a3e5df5b89 100644
--- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
@@ -85,7 +85,8 @@
 			reg = <0>;
 			clocks = <&clk16m>;
 			interrupt-parent = <&gpio>;
-			interrupts = <TEGRA_GPIO(S, 0) IRQ_TYPE_EDGE_RISING>;
+			/* CAN_INT */
+			interrupts = <TEGRA_GPIO(S, 0) IRQ_TYPE_EDGE_FALLING>;
 			spi-max-frequency = <10000000>;
 		};
 	};