On 03/13/2017 08:42 AM, Roger Quadros wrote:
Enable the 2 ethernet ports as CPSW ports in dual-mac mode
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
[nsekhar@xxxxxx: use AM33XX_IOPAD()]
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
---
arch/arm/boot/dts/am335x-icev2.dts | 113 +++++++++++++++++++++++++++++++++++++
1 file changed, 113 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-icev2.dts b/arch/arm/boot/dts/am335x-icev2.dts
index a2ad076..cc343b0 100644
--- a/arch/arm/boot/dts/am335x-icev2.dts
+++ b/arch/arm/boot/dts/am335x-icev2.dts
@@ -201,6 +201,69 @@
AM33XX_IOPAD(0x938, PIN_OUTPUT_PULLUP | MUX_MODE1) /* (L16) gmii1_rxd2.uart3_txd */
>;
};
+
&i2c0 {
@@ -350,3 +413,53 @@
pinctrl-0 = <&uart3_pins_default>;
status = "okay";
};
+
+&gpio3 {
+ p4 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "PR1_MII_CTRL";
+ };
+
+ p10 {
+ gpio-hog;
+ gpios = <10 GPIO_ACTIVE_HIGH>;
+ /* ETH1 mux: Low for MII-PRU, high for RMII-CPSW */
+ output-high;
+ line-name = "MUX_MII_CTL1";
+ };
+};
+
+&cpsw_emac0 {
+ phy_id = <&davinci_mdio>, <1>;
this is deprecated definition.
pls, use phy-handle.
+ phy-mode = "rmii";
+ dual_emac_res_vlan = <1>;
+};
+
+&cpsw_emac1 {
+ phy_id = <&davinci_mdio>, <3>;
same
+ phy-mode = "rmii";
+ dual_emac_res_vlan = <2>;
+};
+
+&mac {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&cpsw_default>;
+ pinctrl-1 = <&cpsw_sleep>;
+ status = "okay";
+ dual_emac;
+};
+
+&phy_sel {
+ rmii-clock-ext;
+};
+
+&davinci_mdio {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&davinci_mdio_default>;
+ pinctrl-1 = <&davinci_mdio_sleep>;
+ status = "okay";
+ reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
+ reset-delay-us = <2>; /* PHY datasheet states 1uS min */
+};
--
regards,
-grygorii
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