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 fff1d78..65c3851 100644 (file)
--- 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>;
+               };
+       };
 };