From: Simon Glass <sjg@chromium.org>
Date: Wed, 31 May 2017 23:57:17 +0000 (-0600)
Subject: tegra: dts: Add cros-ec SPI settings
X-Git-Tag: v2017.07-rc2~54^2~22
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c415dda8df1134ba60ff031110649ca4e2735174;p=oweals%2Fu-boot.git

tegra: dts: Add cros-ec SPI settings

At present the interrupt does not work and the SPI bus runs much less
quickly than it should. Add settings to fix this.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/arch/arm/dts/tegra124-nyan-big-u-boot.dtsi b/arch/arm/dts/tegra124-nyan-big-u-boot.dtsi
index fff1d78169..65c3851aff 100644
--- a/arch/arm/dts/tegra124-nyan-big-u-boot.dtsi
+++ b/arch/arm/dts/tegra124-nyan-big-u-boot.dtsi
@@ -12,4 +12,13 @@
 			u-boot,dm-pre-reloc;
 		};
 	};
+
+	spi@7000d400 {
+		spi-deactivate-delay = <200>;
+		spi-max-frequency = <3000000>;
+
+		cros_ec: cros-ec@0 {
+			ec-interrupt = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>;
+		};
+	};
 };