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@xxxxxx>
Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
---
arch/arm/boot/dts/omap4-sdp.dts | 21 +++++++++++++++++++++
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 01db8b7..31938c1 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>;
+ };
+};
--
1.7.0.4
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