arm, am335x: siemens: enable DM/DTS support
enable basic DM/DTS support for the siemens am335x based boards.
Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/dts/am335x-draco.dts b/arch/arm/dts/am335x-draco.dts
new file mode 100644
index 0000000..25d0480
--- /dev/null
+++ b/arch/arm/dts/am335x-draco.dts
@@ -0,0 +1,152 @@
+/*
+ * Support for Siemens DRACO board
+ *
+ * Copyright (C) 2014 - Lukas Stockmann <lukas.stockmann@siemens.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+#include "am33xx.dtsi"
+#include "am335x-draco.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Siemens DRACO";
+ compatible = "siemens,draco", "ti,am33xx";
+
+ /* ethernet alias is needed for the MAC address passing from U-Boot */
+ aliases {
+ ethernet0 = &cpsw_emac0;
+ mdio-gpio0 = &mdio0;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ button0 {
+ label = "button0";
+ gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_F1>; /* button0 */
+ };
+ button1 {
+ label = "button1";
+ gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_F2>; /* button1 */
+ };
+ };
+
+ ocp {
+ debugss: debugss@4b000000 {
+ compatible = "ti,debugss";
+ ti,hwmods = "debugss";
+ reg = <0x4b000000 1000000>;
+ status = "disabled";
+ };
+ };
+};
+
+&am33xx_pinmux {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_mux_pins>;
+
+ gpio_mux_pins: gpio_mux_pins {
+ pinctrl-single,pins = <
+ 0x1d0 (PIN_INPUT | MUX_MODE0) /* tms jtag */
+ 0x1d4 (PIN_INPUT | MUX_MODE0) /* tdi jtag */
+ 0x1d8 (PIN_OUTPUT | MUX_MODE0) /* tdo jtag */
+ 0x1dc (PIN_INPUT | MUX_MODE0) /* tck jtag */
+ 0x1e0 (PIN_INPUT | MUX_MODE0) /* trstn jtag */
+ >;
+ };
+
+ cpsw_default: cpsw_default {
+ pinctrl-single,pins = <
+ 0x0E8 (PIN_INPUT_PULLUP | MUX_MODE7) /* lcd_plck FIX STO should be a OUTPUT driven high*/
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs_dv */
+ 0x114 (PIN_OUTPUT | MUX_MODE1) /* mii1_txen.mii1_txen */
+ 0x124 (PIN_OUTPUT | MUX_MODE1) /* mii1_txd1.mii1_txd1 */
+ 0x128 (PIN_OUTPUT | MUX_MODE1) /* mii1_txd0.mii1_txd0 */
+ 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd1.mii1_rxd1 */
+ 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd0.mii1_rxd0 */
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii1_refclk.rmii1_refclk */
+ >;
+ };
+
+ cpsw_sleep: cpsw_sleep {
+ pinctrl-single,pins = <
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
+
+ davinci_mdio_default: davinci_mdio_default {
+ pinctrl-single,pins = <
+ /* MDIO */
+ 0x148 (PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
+ 0x14c (PIN_OUTPUT | 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)
+ >;
+ };
+
+ gpio_mdio_default: gpio_mdio_default {
+ pinctrl-single,pins = <
+ /* MDIO via GPIO */
+ 0x148 (PIN_INPUT | MUX_MODE7) /* mdio_data.mdio_data GPIO0_0 */
+ 0x14c (PIN_OUTPUT | MUX_MODE7) /* mdio_clk.mdio_clk GPIO0_1 */
+ >;
+ };
+};
+
+&mac {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&cpsw_default>;
+ pinctrl-1 = <&cpsw_sleep>;
+ slaves = <1>; /* use only one emac if */
+
+ mdio0: gpio {
+ compatible = "virtual,mdio-gpio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_mdio_default>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpios = <&gpio0 1 GPIO_ACTIVE_HIGH /* MDIO-CLK */
+ &gpio0 0 GPIO_ACTIVE_HIGH>; /* MDIO-DATA */
+
+ phy0: ethernet-phy@1 {
+ reg = <0>;
+ };
+ };
+};
+
+/* Disable davinci/am335x mdio interface on this platform */
+&davinci_mdio {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&davinci_mdio_default>;
+ pinctrl-1 = <&davinci_mdio_sleep>;
+ status = "disabled";
+};
+
+&cpsw_emac0 {
+ phy_id = <&mdio0>, <0>;
+ phy-mode = "rmii";
+};
+
+&phy_sel {
+ rmii-clock-ext;
+};