diff options
Diffstat (limited to 'arch/arm/dts/am335x-draco.dts')
| -rw-r--r-- | arch/arm/dts/am335x-draco.dts | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/arm/dts/am335x-draco.dts b/arch/arm/dts/am335x-draco.dts new file mode 100644 index 0000000000..25d0480ecd --- /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; +}; |