sun6i/elcom: Add DTS for ELCOM (on-module UART)

2 files changed, 299 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 9d831d430d..da99eb4c36 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -230,6 +230,7 @@ dtb-$(CONFIG_MACH_SUN6I) += \
 	sun6i-a31-mele-a1000g-quad.dtb \
 	sun6i-a31-mixtile-loftq.dtb \
 	sun6i-a31-pangolin.dtb \
+	sun6i-a31-pangolin-elcom.dtb \
 	sun6i-a31s-colorfly-e708-q1.dtb \
 	sun6i-a31s-cs908.dtb \
 	sun6i-a31s-inet-q972.dtb \
diff --git a/arch/arm/dts/sun6i-a31-pangolin-elcom.dts b/arch/arm/dts/sun6i-a31-pangolin-elcom.dts
new file mode 100644
index 0000000000..8531c1d3c8
--- /dev/null
+++ b/arch/arm/dts/sun6i-a31-pangolin-elcom.dts
@@ -0,0 +1,298 @@
+/*
+ * Copyright 2015, Theobroma Systems Design und Consulting GmbH
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun6i-a31.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "Theobroma Systems A31 Pangolin";
+	compatible = "tsd,a31-pangolin", "allwinner,sun6i-a31";
+
+	aliases {
+		serial0 = &uart0;
+		serial2 = &uart2;
+		spi0 = &spi0;
+		spi1 = &spi1;
+		spi2 = &spi2;
+		spi3 = &spi3;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&ohci2 {
+	status = "okay";
+};
+
+&gmac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac_pins_rgmii_a>;
+	phy = <&phy1>;
+	phy-mode = "rgmii";
+	snps,reset-gpio = <&pio 0 7 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 30000>;
+	status = "okay";
+        rxc-skew-ps = <1800>;
+        txc-skew-ps = <1800>;
+
+	phy1: ethernet-phy@4 {
+		reg = <4>;
+	};
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins_a>;
+	status = "okay";
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins_a>;
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins_a>;
+	status = "okay";
+};
+
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c3_pins_a>;
+	status = "okay";
+
+	rtc_twi: rtc@6f {
+	 compatible = "isil,isl1208";
+	 reg = <0x6f>;
+	};
+	fan: fan@18 {
+		compatible = "ti,amc6821";
+		reg = <0x18>;
+		cooling-min-state = <0>;
+		cooling-max-state = <9>;
+		#cooling-cells = <2>;
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash: flash@0 {
+		compatible = "spansion,m25p40";
+		spi-max-frequency = <16000000>;
+		spi-cpol;
+		spi-cpha;
+	};
+};
+
+&spi1 {
+	status = "okay";
+};
+
+&ir {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ir_pins_a>;
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_pangolin>;
+	vmmc-supply = <&reg_vcc3v0>;
+	bus-width = <4>;
+	cd-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
+	status = "okay";
+};
+
+&mmc0_pins_a {
+	/* external pull-ups missing for some pins */
+	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins_a>;
+	vmmc-supply = <&reg_vcc3v0>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&pio {
+	mmc0_cd_pin_pangolin: mmc0_cd_pin@0 {
+		allwinner,pins = "PC19";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+	leds_pins_pangolin: led_pins@0 {
+		allwinner,pins = "PH7", "PC16";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+};
+
+&p2wi {
+	status = "okay";
+
+	axp221: pmic@68 {
+		compatible = "x-powers,axp221";
+		reg = <0x68>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		dcdc1-supply = <&vcc_3v0>;
+		dcdc5-supply = <&vcc_dram>;
+
+		regulators {
+			x-powers,dcdc-freq = <3000>;
+
+			vcc_3v0: dcdc1 {
+				regulator-always-on;
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-name = "vcc-3v0";
+			};
+
+			vdd_cpu: dcdc2 {
+				regulator-always-on;
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1320000>;
+				regulator-name = "vdd-cpu";
+			};
+
+			vdd_gpu: dcdc3 {
+				regulator-always-on;
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1320000>;
+				regulator-name = "vdd-gpu";
+			};
+
+			vdd_sys_dll: dcdc4 {
+				regulator-always-on;
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-name = "vdd-sys-dll";
+			};
+
+			vcc_dram: dcdc5 {
+				regulator-always-on;
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-name = "vcc-dram";
+			};
+
+			vcc_wifi: aldo1 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc_wifi";
+			};
+
+			avcc: aldo3 {
+				regulator-always-on;
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-name = "avcc";
+			};
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&usb1_vbus_pin_a {
+	allwinner,pins = "PD23";
+};
+
+&reg_usb1_vbus {
+	gpio = <&pio 3 23 GPIO_ACTIVE_HIGH>; /* PD 23 */
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "gadget";
+	status = "okay";
+};
+
+&usbphy {
+	status = "okay";
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+};
+
+&hdmi0 {
+	status = "okay";
+};
+
+&ldb0 {
+	status = "okay";
+};