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authorHeiko Schocher <hs@denx.de>2016-06-13 15:16:01 +0200
committerTom Rini <trini@konsulko.com>2016-06-17 09:51:05 -0400
commit71423435fb02c2ed9e7aa14c1208d3cccbff2519 (patch)
tree938039d1b67a7b4e58e1fbb197c6d0d9927370ea /arch/arm/dts/am335x-draco.dtsi
parente7b35eb2e0f209e26eb30c4e5b3da50a50d19af1 (diff)
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>
Diffstat (limited to 'arch/arm/dts/am335x-draco.dtsi')
-rw-r--r--arch/arm/dts/am335x-draco.dtsi169
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";
+};