linux-kernel - [PATCH v2 32/34] ARM: tegra: apalis_t30: fix mcp2515 can controller interrupt polarity

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Message-Id: <20180831163817.23970-33-marcel@ziswiler.com>
Date:   Fri, 31 Aug 2018 18:38:14 +0200
From:   Marcel Ziswiler <marcel@...wiler.com>
To:     devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH v2 32/34] ARM: tegra: apalis_t30: fix mcp2515 can controller interrupt polarity

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

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@...adex.com>

---

Changes in v2:
- New patch.

 arch/arm/boot/dts/tegra30-apalis.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index a31b112f631d..e44b2bce6736 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -1039,7 +1039,7 @@
 			reg = <1>;
 			clocks = <&clk16m>;
 			interrupt-parent = <&gpio>;
-			interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_EDGE_RISING>;
+			interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_EDGE_FALLING>;
 			spi-max-frequency = <10000000>;
 		};
 	};
@@ -1054,7 +1054,7 @@
 			reg = <0>;
 			clocks = <&clk16m>;
 			interrupt-parent = <&gpio>;
-			interrupts = <TEGRA_GPIO(W, 2) IRQ_TYPE_EDGE_RISING>;
+			interrupts = <TEGRA_GPIO(W, 2) IRQ_TYPE_EDGE_FALLING>;
 			spi-max-frequency = <10000000>;
 		};
 	};
-- 
2.14.4