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 <[email protected]> Signed-off-by: Rajendra Nayak <[email protected]> Acked-by: Rob Herring <[email protected]> --- arch/arm/boot/dts/omap4-sdp.dts | 30 +++++++++++++++++++++--------- 1 files changed, 21 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts index 066e28c..6584109 100644 --- a/arch/arm/boot/dts/omap4-sdp.dts +++ b/arch/arm/boot/dts/omap4-sdp.dts @@ -13,17 +13,29 @@ model = "TI OMAP4 SDP board"; compatible = "ti,omap4-sdp", "ti,omap4430", "ti,omap4"; - /* - * Since the initial device tree board file does not create any - * devices (MMC, network...), the only way to boot is to provide a - * ramdisk. - */ - chosen { - bootargs = "root=/dev/ram0 rw console=ttyO2,115200n8 initrd=0x81600000,20M ramdisk_size=20480 no_console_suspend debug"; - }; - memory { 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; + }; +}; + +&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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
