From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: imx: Add alias for ethernet controller
Date: Thu, 24 Jul 2014 04:07:19 +0200 [thread overview]
Message-ID: <1406167639-6911-1-git-send-email-marex@denx.de> (raw)
commit 22970070e027cbbb9b2878f8f7c31d0d7f29e94d upstream.
Add alias for FEC ethernet on i.MX25, i.MX27, i.MX51 and i.MX53 to allow
bootloaders (like U-Boot) patch-in the MAC address for FEC using this
alias.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: <stable@vger.kernel.org> # 3.14.x
---
arch/arm/boot/dts/imx25.dtsi | 1 +
arch/arm/boot/dts/imx27.dtsi | 1 +
arch/arm/boot/dts/imx51.dtsi | 1 +
arch/arm/boot/dts/imx53.dtsi | 1 +
4 files changed, 4 insertions(+)
NOTE: Without this backport, the ethernet adapter on most of the boards
with the i.MX CPUs does not know it's MAC address (the controller
does not have an EEPROM). Without MAC address, the ethernet cannot
be brought up and this makes such board unusable when booting from
NFS. This patch lets the bootloader pass the MAC address via DT to
the kernel properly, thus letting me boot from NFS again.
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index 737ed5d..de16119 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -30,6 +30,7 @@
spi2 = &spi3;
usb0 = &usbotg;
usb1 = &usbhost1;
+ ethernet0 = &fec;
};
cpus {
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 826231e..da2eb7f 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -30,6 +30,7 @@
spi0 = &cspi1;
spi1 = &cspi2;
spi2 = &cspi3;
+ ethernet0 = &fec;
};
aitc: aitc-interrupt-controller at e0000000 {
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 4bcdd3a..e1b6015 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -27,6 +27,7 @@
spi0 = &ecspi1;
spi1 = &ecspi2;
spi2 = &cspi;
+ ethernet0 = &fec;
};
tzic: tz-interrupt-controller at e0000000 {
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index 7abe6c4..86df3f5 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -34,6 +34,7 @@
spi0 = &ecspi1;
spi1 = &ecspi2;
spi2 = &cspi;
+ ethernet0 = &fec;
};
cpus {
--
2.0.1
next reply other threads:[~2014-07-24 2:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-24 2:07 Marek Vasut [this message]
2014-07-24 3:17 ` [PATCH] ARM: dts: imx: Add alias for ethernet controller Shawn Guo
2014-07-24 3:52 ` Greg KH
2014-07-24 4:17 ` Marek Vasut
2014-07-24 6:10 ` Shawn Guo
2014-07-24 4:15 ` Marek Vasut
-- strict thread matches above, loose matches on Subject: below --
2014-02-28 11:58 Marek Vasut
2014-03-18 0:37 ` Marek Vasut
2014-03-24 1:49 ` Shawn Guo
2014-03-24 2:39 ` Marek Vasut
2014-07-22 2:10 ` Marek Vasut
2014-07-22 3:03 ` Shawn Guo
2014-07-22 5:00 ` Marek Vasut
2014-07-22 5:20 ` Shawn Guo
2014-07-22 5:45 ` Marek Vasut
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