[PATCH 2/3] ARM: dts: AM33XX: Add pinmux configuration for CPSW to EVMsk

Mugunthan V N mugunthanvnm at ti.com
Fri Jun 7 07:32:53 EDT 2013


Add pinmux configurations for RGMII based CPSW ethernet to AM335x EVMsk.

Default mode is nothing but the values required for the module during
active state. With this configurations module is functional as
expected.

Sleep mode is nothing but the values required for the module during
inactive state. The pins are configured to its reset state to optimize
energy usage for the pins for the suspend/resume cycle

Signed-off-by: Mugunthan V N <mugunthanvnm at ti.com>
---
 arch/arm/boot/dts/am335x-evmsk.dts |   92 ++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 338b681..a0c201d 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -71,6 +71,86 @@
 				0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3)		/* xdma_event_intr1.clkout2 */
 			>;
 		};
+
+		cpsw_default: cpsw_default {
+			pinctrl-single,pins = <
+				/* Slave 1 */
+				0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txen.rgmii1_tctl */
+				0x118 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxdv.rgmii1_rctl */
+				0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd3.rgmii1_td3 */
+				0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd2.rgmii1_td2 */
+				0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd1.rgmii1_td1 */
+				0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd0.rgmii1_td0 */
+				0x12c (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txclk.rgmii1_tclk */
+				0x130 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxclk.rgmii1_rclk */
+				0x134 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd3.rgmii1_rd3 */
+				0x138 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd2.rgmii1_rd2 */
+				0x13c (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd1.rgmii1_rd1 */
+				0x140 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd0.rgmii1_rd0 */
+
+				/* Slave 2 */
+				0x40 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a0.rgmii2_tctl */
+				0x44 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a1.rgmii2_rctl */
+				0x48 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a2.rgmii2_td3 */
+				0x4c (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a3.rgmii2_td2 */
+				0x50 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a4.rgmii2_td1 */
+				0x54 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a5.rgmii2_td0 */
+				0x58 (PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a6.rgmii2_tclk */
+				0x5c (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a7.rgmii2_rclk */
+				0x60 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a8.rgmii2_rd3 */
+				0x64 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a9.rgmii2_rd2 */
+				0x68 (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a10.rgmii2_rd1 */
+				0x6c (PIN_INPUT_PULLDOWN | MUX_MODE2)	/* gpmc_a11.rgmii2_rd0 */
+			>;
+		};
+
+		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)
+
+				/* Slave 2 reset value*/
+				0x40 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x44 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x48 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x4c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x50 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x54 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x58 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x5c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x60 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x64 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x68 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+				0x6c (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)
+			>;
+		};
 	};
 
 	ocp {
@@ -277,3 +357,15 @@
 		};
 	};
 };
+
+&mac {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&cpsw_default>;
+	pinctrl-1 = <&cpsw_sleep>;
+};
+
+&davinci_mdio {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&davinci_mdio_default>;
+	pinctrl-1 = <&davinci_mdio_sleep>;
+};
-- 
1.7.9.5




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