diff mbox series

[v2,29/34] ARM: tegra: apalis_t30: hog group for pcie switch reset gpio

Message ID 20180831163817.23970-30-marcel@ziswiler.com
State Accepted
Headers show
Series ARM: dts: tegra: apalis_t30: major revamp incl. v1.1 hardware support | expand

Commit Message

Marcel Ziswiler Aug. 31, 2018, 4:38 p.m. UTC 
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>

The Apalis Evaluation Board uses Apalis GPIO7 on MXM3 pin 15 as reset
signal for its PLX PEX 8605 PCIe Switch.

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

---

Changes in v2:
- New patch.

 arch/arm/boot/dts/tegra30-apalis-eval.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index bbde98fd9712..9d9dda6c0246 100644
--- a/arch/arm/boot/dts/tegra30-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts
@@ -240,3 +240,13 @@ 
 		vin-supply = <&reg_5v0>;
 	};
 };
+
+&gpio {
+	/* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
+	pex-perst-n {
+		gpio-hog;
+		gpios = <TEGRA_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "PEX_PERST_N";
+	};
+};