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>

diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 01db8b7..31938c1 100644 (file)
--- 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>;
+       };
+};