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ARM: dts: blanche: add Ethernet support

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R8A7792  SoC  doesn't have the EtherMAC core, so SMSC  LAN89218  Ethernet
chip was used instead on the Blanche board; this chip  is compatible with
SMSC LAN9115  for  which there's a (device tree aware) driver. Describe
the  chip in  the  Blanche device tree;  enable DHCP and NFS root in the
kernel command line for the kernel booting.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Sergei Shtylyov 2016-06-13 00:17:11 +03:00 committed by Simon Horman
parent 4018fba454
commit f80b6dfd5e
1 changed files with 22 additions and 1 deletions
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23
arch/arm/boot/dts/r8a7792-blanche.dts
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@ -22,7 +22,7 @@ aliases {
};
chosen {
bootargs = "ignore_loglevel";
bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
stdout-path = "serial0:115200n8";
};
@ -30,6 +30,27 @@ memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x40000000>;
};
d3_3v: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "D3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ethernet@18000000 {
compatible = "smsc,lan89218", "smsc,lan9115";
reg = <0 0x18000000 0 0x100>;
phy-mode = "mii";
interrupt-parent = <&irqc>;
interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
smsc,irq-push-pull;
reg-io-width = <4>;
vddvario-supply = <&d3_3v>;
vdd33a-supply = <&d3_3v>;
};
};
&extal_clk {