arm/dts: omap4-sdp: Add ks8851 ethernet SPI device

Add an ethernet SPI chip in the OMAP4 SDP/Blaze board DTS file.

Add a fixed regulator node controlled by a GPIO line to supply
the ethernet chip.

Based on original code from Rajendra.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 01db8b78ea71..31938c1c3f14 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts
@@ -17,6 +17,16 @@
                 device_type = "memory";
                 reg = <0x80000000 0x40000000>; /* 1 GB */
         };
+
+        vdd_eth: fixedregulator@0 {
+                compatible = "regulator-fixed";
+                regulator-name = "VDD_ETH";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                gpio = <&gpio2 16 0>;  /* gpio line 48 */
+                enable-active-high;
+                regulator-boot-on;
+        };
 };
 
 &i2c1 {
@@ -70,3 +80,14 @@
                 reg = <0x1e>;
         };
 };
+
+&mcspi1 {
+        eth@0 {
+                compatible = "ks8851";
+                spi-max-frequency = <24000000>;
+                reg = <0>;
+                interrupt-parent = <&gpio2>;
+                interrupts = <2>; /* gpio line 34 */
+                vdd-supply = <&vdd_eth>;
+        };
+};