[RESEND] ARM: shmobile: silk: add Ether DT support

Commit Message

Sergei Shtylyov July 28, 2015, 10:16 p.m. UTC

Define the SILK board dependent part of the Ether device node.
Enable DHCP and NFS root for the kernel booting.

Based on the original patch by Vladimir Barinov
<[e-mail]>.

Signed-off-by: Sergei Shtylyov <[e-mail]>

---
This patch is against the 'renesas-devel-20150728-v4.2-rc4' tag of Simon
Horman's 'renesas.git' repo.  It depends on just posted SILK board initial DT
patch in order to apply and on R8A7794 PFC DT patch posted yesterday in order
to compile.

 arch/arm/boot/dts/r8a7794-silk.dts |   28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

Comments

Simon Horman July 30, 2015, 12:08 a.m. UTC | #1

On Wed, Jul 29, 2015 at 01:16:02AM +0300, Sergei Shtylyov wrote:
> Define the SILK board dependent part of the Ether device node.
> Enable DHCP and NFS root for the kernel booting.
> 
> Based on the original patch by Vladimir Barinov
> <[e-mail]>.
> 
> Signed-off-by: Sergei Shtylyov <[e-mail]>

Thanks, I have queued this up.

Patch

Index: renesas/arch/arm/boot/dts/r8a7794-silk.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7794-silk.dts
+++ renesas/arch/arm/boot/dts/r8a7794-silk.dts
@@ -22,7 +22,7 @@ 
 	};
 
 	chosen {
-		bootargs = "ignore_loglevel";
+		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
 		stdout-path = &scif2;
 	};
 
@@ -41,6 +41,16 @@ 
 		renesas,groups = "scif2_data";
 		renesas,function = "scif2";
 	};
+
+	ether_pins: ether {
+		renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
+		renesas,function = "eth";
+	};
+
+	phy1_pins: phy1 {
+		renesas,groups = "intc_irq8";
+		renesas,function = "intc";
+	};
 };
 
 &scif2 {
@@ -49,3 +59,19 @@ 
 
 	status = "okay";
 };
+
+&ether {
+	pinctrl-0 = <&ether_pins &phy1_pins>;
+	pinctrl-names = "default";
+
+	phy-handle = <&phy1>;
+	renesas,ether-link-active-low;
+	status = "okay";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+		interrupt-parent = <&irqc0>;
+		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
+		micrel,led-mode = <1>;
+	};
+};