ARM: dts: am437x-gp-evm: Add ethernet support for GP EVM

Add CPSW ethernet support for AM437x GP EVM which has one slave pinned out

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 2e0c636a7e72..30ace1b399ee 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -98,6 +98,58 @@
                         0x264 (PIN_INPUT_PULLUP | MUX_MODE7)  /* spi2_d0.gpio3_22 */
                 >;
         };
+
+        cpsw_default: cpsw_default {
+                pinctrl-single,pins = <
+                        /* Slave 1 */
+                        0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_txen */
+                        0x118 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxdv.rgmii1_rxctl */
+                        0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd3 */
+                        0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd2 */
+                        0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd1 */
+                        0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd0 */
+                        0x12c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txclk.rmii1_tclk */
+                        0x130 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxclk.rmii1_rclk */
+                        0x134 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd1.rgmii1_rxd3 */
+                        0x138 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd0.rgmii1_rxd2 */
+                        0x13c (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd1.rgmii1_rxd1 */
+                        0x140 (PIN_INPUT_PULLDOWN | MUX_MODE2)  /* mii1_rxd0.rgmii1_rxd0 */
+                >;
+        };
+
+        cpsw_sleep: cpsw_sleep {
+                pinctrl-single,pins = <
+                        /* Slave 1 reset value */
+                        0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x11c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x120 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x12c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x130 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x134 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x138 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                >;
+        };
+
+        davinci_mdio_default: davinci_mdio_default {
+                pinctrl-single,pins = <
+                        /* MDIO */
+                        0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)    /* mdio_data.mdio_data */
+                        0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0)                   /* mdio_clk.mdio_clk */
+                >;
+        };
+
+        davinci_mdio_sleep: davinci_mdio_sleep {
+                pinctrl-single,pins = <
+                        /* MDIO reset value */
+                        0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                        0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+                >;
+        };
 };
 
 &i2c0 {
@@ -174,3 +226,23 @@
         dr_mode = "host";
         status = "okay";
 };
+
+&mac {
+        slaves = <1>;
+        pinctrl-names = "default", "sleep";
+        pinctrl-0 = <&cpsw_default>;
+        pinctrl-1 = <&cpsw_sleep>;
+        status = "okay";
+};
+
+&davinci_mdio {
+        pinctrl-names = "default", "sleep";
+        pinctrl-0 = <&davinci_mdio_default>;
+        pinctrl-1 = <&davinci_mdio_sleep>;
+        status = "okay";
+};
+
+&cpsw_emac0 {
+        phy_id = <&davinci_mdio>, <0>;
+        phy-mode = "rgmii";
+};