2017-11-08 02:36:26

by Corentin Labbe

Subject: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver

The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.

Signed-off-by: Corentin Labbe <[email protected]>
Reviewed-by: Chen-Yu Tsai <[email protected]>
---
arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 19acae1b4089..68e5135410ec 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -336,6 +336,14 @@
#interrupt-cells = <3>;
#gpio-cells = <3>;

+ emac_rgmii_pins: emac-rgmii-pins {
+ pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
+ "PD11", "PD12", "PD13", "PD14", "PD18",
+ "PD19", "PD21", "PD22", "PD23";
+ function = "gmac";
+ drive-strength = <40>;
+ };
+
mmc0_pins: mmc0-pins {
pins = "PF0", "PF1", "PF2",
"PF3", "PF4", "PF5";
@@ -440,6 +448,27 @@
status = "disabled";
};

+ emac: ethernet@1c30000 {
+ compatible = "allwinner,sun8i-a83t-emac";
+ syscon = <&syscon>;
+ reg = <0x01c30000 0x104>;
+ interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ resets = <&ccu 13>;
+ reset-names = "stmmaceth";
+ clocks = <&ccu 27>;
+ clock-names = "stmmaceth";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ mdio: mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+
gic: interrupt-controller@1c81000 {
compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
reg = <0x01c81000 0x1000>,
--
2.13.6


From 1583529696077553467@xxx Wed Nov 08 20:06:40 +0000 2017
X-GM-THRID: 1583529696077553467
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2017-11-08 02:36:13

by Corentin Labbe

Subject: [PATCH 2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i

The dwmac-sun8i hardware is present on the bananapi m3
It uses an external PHY rtl8211e via RGMII.

This patch create the needed emac and phy nodes.

Signed-off-by: Corentin Labbe <[email protected]>
---
arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index c606af3dbfed..45bdd5c17829 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -52,6 +52,7 @@
compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";

aliases {
+ ethernet0 = &emac;
serial0 = &uart0;
};

@@ -88,6 +89,23 @@
/* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
};

+&emac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&emac_rgmii_pins>;
+ phy-handle = <&ext_rgmii_phy>;
+ phy-mode = "rgmii";
+ allwinner,rx-delay-ps = <700>;
+ allwinner,tx-delay-ps = <700>;
+
+ status = "okay";
+};
+
+&mdio {
+ ext_rgmii_phy: ethernet-phy@1 {
+ reg = <1>;
+ };
+};
+
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
--
2.13.6


From 1583365183853090179@xxx Tue Nov 07 00:31:49 +0000 2017
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