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authorGrygorii Strashko <grygorii.strashko@ti.com>2017-01-12 11:14:29 -0600
committerTony Lindgren <tony@atomide.com>2017-01-12 14:52:54 -0800
commit52349a2abff1a675ac51077e7bfc60054872245d (patch)
treef0541859af0a838565046d1ea847ea28eef666eb /arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
parentc554a6d8fe5cd899486247ef5f9d3dc4d693685e (diff)
downloadlinux-sh-52349a2abff1a675ac51077e7bfc60054872245d.tar.gz
ARM: dts: am57xx-beagle-x15: implement errata "Ethernet RGMII2 Limited to 10/100 Mbps"
According to errata i880 description the speed of Ethernet port 1 on AM572x SoCs rev 1.1 should be limited to 10/100Mbps, because RGMII2 Switching Characteristics are not compatible with 1000 Mbps operation [1]. The issue is fixed with Rev 2.0 silicon. Hence, rework Beagle-X15 and Begale-X15-revb1 to use phy-handle instead of phy_id and apply corresponding limitation to the Ethernet Phy 1. [1] http://www.ti.com/lit/er/sprz429j/sprz429j.pdf Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi')
-rw-r--r--arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
index 78bee26361f1..0429fa0822e0 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
@@ -421,19 +421,29 @@
<&dra7_pmx_core 0x3f8>;
};
+&davinci_mdio {
+ phy0: ethernet-phy@1 {
+ reg = <1>;
+ };
+
+ phy1: ethernet-phy@2 {
+ reg = <2>;
+ };
+};
+
&mac {
status = "okay";
dual_emac;
};
&cpsw_emac0 {
- phy_id = <&davinci_mdio>, <1>;
+ phy-handle = <&phy0>;
phy-mode = "rgmii";
dual_emac_res_vlan = <1>;
};
&cpsw_emac1 {
- phy_id = <&davinci_mdio>, <2>;
+ phy-handle = <&phy1>;
phy-mode = "rgmii";
dual_emac_res_vlan = <2>;
};