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>

1 files changed, 169 insertions, 0 deletions

diff --git a/arch/arm/dts/am335x-draco.dtsi b/arch/arm/dts/am335x-draco.dtsi
new file mode 100644
index 0000000000..b38ff55e1d
--- /dev/null
+++ b/arch/arm/dts/am335x-draco.dtsi
@@ -0,0 +1,169 @@
+/*
+ * Common support for Siemens Draco SOM (AM335x based)
+ *
+ * Copyright (C) 2013,2014 - Stefan Roese <sr@denx.de>
+ *
+ * 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.
+ */
+
+/ {
+	chosen {
+		stdout-path = &uart0;
+		tick-timer = &timer2;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x08000000>; /* 128 MB */
+	};
+
+	ocp {
+		uart0: serial@44e09000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart0_pins>;
+			status = "okay";
+		};
+
+		i2c0: i2c@44e0b000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins>;
+
+			status = "okay";
+			clock-frequency = <400000>;
+
+			eeprom: eeprom@50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+				pagesize = <64>;
+			};
+		};
+
+		musb: usb@47400000 {
+			status = "okay";
+
+			control@44e10620 {
+				status = "okay";
+			};
+
+			usb-phy@47401300 {
+				status = "okay";
+			};
+
+			usb-phy@47401b00 {
+				status = "okay";
+			};
+
+			usb@47401000 {
+				status = "okay";
+			};
+
+			usb@47401800 {
+				status = "okay";
+				dr_mode = "host";
+			};
+
+			dma-controller@47402000  {
+				status = "okay";
+			};
+		};
+	};
+};
+
+&am33xx_pinmux {
+		i2c0_pins: pinmux_i2c0_pins {
+			pinctrl-single,pins = <
+				0x188 (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
+				0x18c (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
+			>;
+		};
+
+		uart0_pins: pinmux_uart0_pins {
+			pinctrl-single,pins = <
+				0x170 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart0_rxd.uart0_rxd */
+				0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart0_txd.uart0_txd */
+			>;
+		};
+
+		nandflash_pins: nandflash_pins {
+			pinctrl-single,pins = <
+				0x0 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad0.gpmc_ad0 */
+				0x4 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad1.gpmc_ad1 */
+				0x8 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad2.gpmc_ad2 */
+				0xc (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad3.gpmc_ad3 */
+				0x10 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad4.gpmc_ad4 */
+				0x14 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad5.gpmc_ad5 */
+				0x18 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad6.gpmc_ad6 */
+				0x1c (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad7.gpmc_ad7 */
+				0x70 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
+				0x74 (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_wpn.gpio0_30 */
+				0x7c (PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn0.gpmc_csn0  */
+				0x90 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_advn_ale.gpmc_advn_ale */
+				0x94 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_oen_ren.gpmc_oen_ren */
+				0x98 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_wen.gpmc_wen */
+				0x9c (PIN_OUTPUT | MUX_MODE0)		/* gpmc_be0n_cle.gpmc_be0n_cle */
+			>;
+		};
+	};
+
+
+&timer3 {
+	status = "disabled";
+};
+
+&uart4 {
+	status = "disabled";
+};
+
+&elm {
+	status = "okay";
+};
+
+&gpmc {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&nandflash_pins>;
+
+	ranges = <0 0 0x08000000 0x10000000>;	/* CS0: NAND */
+
+	nand@0,0 {
+		reg = <0 0 0>; /* CS0, offset 0 */
+		nand-bus-width = <8>;
+		ti,nand-ecc-opt = "bch8";
+		gpmc,device-nand = "true";
+		gpmc,device-width = <1>;
+		gpmc,sync-clk-ps = <0>;
+		gpmc,cs-on-ns = <0>;
+		gpmc,cs-rd-off-ns = <44>;
+		gpmc,cs-wr-off-ns = <44>;
+		gpmc,adv-on-ns = <6>;
+		gpmc,adv-rd-off-ns = <34>;
+		gpmc,adv-wr-off-ns = <44>;
+		gpmc,we-on-ns = <0>;
+		gpmc,we-off-ns = <40>;
+		gpmc,oe-on-ns = <0>;
+		gpmc,oe-off-ns = <54>;
+		gpmc,access-ns = <64>;
+		gpmc,rd-cycle-ns = <82>;
+		gpmc,wr-cycle-ns = <82>;
+		gpmc,wait-on-read = "true";
+		gpmc,wait-on-write = "true";
+		gpmc,bus-turnaround-ns = <0>;
+		gpmc,cycle2cycle-delay-ns = <0>;
+		gpmc,clk-activation-ns = <0>;
+		gpmc,wait-monitoring-ns = <0>;
+		gpmc,wr-access-ns = <40>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+		elm_id = <&elm>;
+	};
+};
+
+/* disable the RTC node as its not accessible on the draco/dxr2 board */
+&rtc {
+	status = "disabled";
+	ti,hwmods = "disabled";
+};