From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: [PATCH 3/3] ARM: dts: wheat: add Ethernet support Date: Fri, 26 Aug 2016 23:23:13 +0300 Message-ID: <6321460.7sCGaKUd5m@wasted.cogentembedded.com> References: <3665116.9BjHTnhfR3@wasted.cogentembedded.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <3665116.9BjHTnhfR3-gHKXc3Y1Z8zGSmamagVegGFoWSdPRAKMAL8bYrjMMd8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org, linux-renesas-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org R8A7792 SoC doesn't have the EtherMAC core, so SMSC LAN89218 Ethernet chip was used instead on the Wheat debug board; this chip is compatible with SMSC LAN9115 for which there's a (device tree aware) driver. Describe the chip in the Wheat device tree unconditionally (the driver should fail the probe if the debug board isn't connected); enable DHCP and NFS root in the command line for the kernel boot... Based on the original (and large) patch by Vladimir Barinov . Signed-off-by: Sergei Shtylyov --- arch/arm/boot/dts/r8a7792-wheat.dts | 38 +++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts =================================================================== --- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts +++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts @@ -21,7 +21,7 @@ }; chosen { - bootargs = "ignore_loglevel"; + bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp"; stdout-path = "serial0:115200n8"; }; @@ -29,6 +29,31 @@ 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; + smsc,save-mac-address; + reg-io-width = <4>; + vddvario-supply = <&d3_3v>; + vdd33a-supply = <&d3_3v>; + + pinctrl-0 = <&lan89218_pins>; + pinctrl-names = "default"; + }; }; &extal_clk { @@ -40,6 +65,17 @@ groups = "scif0_data"; function = "scif0"; }; + + lan89218_pins: lan89218 { + intc { + groups = "intc_irq0"; + function = "intc"; + }; + lbsc { + groups = "lbsc_ex_cs0"; + function = "lbsc"; + }; + }; }; &scif0 { -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html