[PATCH V4 5/7] arm/dts: am33xx: Add CPSW and MDIO module nodes for AM33XX

Mugunthan V N mugunthanvnm at ti.com
Tue Nov 6 12:32:37 EST 2012


Add CPSW and MDIO related device tree data for AM33XX.
Also enable them into board/evm dts files by providing
respective phy-id.

Signed-off-by: Mugunthan V N <mugunthanvnm at ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
Cc: Benoit Cousson <b-cousson at ti.com>
Acked-by: Peter Korsgaard <jacmet at sunsite.dk>
Acked-by: Richard Cochran <richardcochran at gmail.com>
---
 arch/arm/boot/dts/am335x-bone.dts |    8 +++++++
 arch/arm/boot/dts/am335x-evm.dts  |    8 +++++++
 arch/arm/boot/dts/am33xx.dtsi     |   42 +++++++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index c634f87..e233cfa 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts
@@ -78,3 +78,11 @@
 		};
 	};
 };
+
+&cpsw_emac0 {
+	phy_id = "4a101000.mdio:00";
+};
+
+&cpsw_emac1 {
+	phy_id = "4a101000.mdio:01";
+};
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 185d632..415c3b3 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -118,3 +118,11 @@
 		};
 	};
 };
+
+&cpsw_emac0 {
+	phy_id = "4a101000.mdio:00";
+};
+
+&cpsw_emac1 {
+	phy_id = "4a101000.mdio:01";
+};
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index bb31bff..2a0c8fe 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -210,5 +210,47 @@
 			interrupt-parent = <&intc>;
 			interrupts = <91>;
 		};
+
+		mac: ethernet at 4A100000 {
+			compatible = "ti,cpsw";
+			ti,hwmods = "cpgmac0";
+			cpdma_channels = <8>;
+			ale_entries = <1024>;
+			bd_ram_size = <0x2000>;
+			no_bd_ram = <0>;
+			rx_descs = <64>;
+			mac_control = <0x20>;
+			slaves = <2>;
+			cpts_active_slave = <0>;
+			cpts_clock_mult = <0x80000000>;
+			cpts_clock_shift = <29>;
+			reg = <0x4a100000 0x800
+				0x4a101200 0x100
+				0x4a101000 0x100>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			interrupt-parent = <&intc>;
+			/* c0_rx_thresh_pend c0_rx_pend c0_tx_pend c0_misc_pend*/
+			interrupts = <40 41 42 43>;
+			ranges;
+			cpsw_emac0: slave at 0 {
+				phy_id = "davinci_mdio.16:00";
+				/* Filled in by U-Boot */
+				mac-address = [ 00 00 00 00 00 00 ];
+			};
+			cpsw_emac1: slave at 1 {
+				/* Filled in by U-Boot */
+				mac-address = [ 00 00 00 00 00 00 ];
+			};
+
+			davinci_mdio: mdio at 4a101000 {
+				compatible = "ti,davinci_mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				ti,hwmods = "davinci_mdio";
+				bus_freq = <1000000>;
+				reg = <0x4a101000 0x100>;
+			};
+		};
 	};
 };
-- 
1.7.0.4




More information about the linux-arm-kernel mailing list