ARM: sun7i: add support for A20-OLinuXino-Lime2

This adds support for the Olimex A20-OLinuXino-Lime2
https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2

Differences to previous Lime boards are 1GB RAM and gigabit ethernet

Signed-off-by: Iain Paton <ipaton0@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 228 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
new file mode 100644
index 000000000000..187729a0b7d8
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
@@ -0,0 +1,228 @@
+/*
+ * Copyright 2014 - Iain Paton <ipaton0@gmail.com>
+ *
+ * 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 library 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 library 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.
+ *
+ *     You should have received a copy of the GNU General Public
+ *     License along with this library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * 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/ "sun7i-a20.dtsi"
+/include/ "sunxi-common-regulators.dtsi"
+
+/ {
+        model = "Olimex A20-OLinuXino-LIME2";
+        compatible = "olimex,a20-olinuxino-lime2", "allwinner,sun7i-a20";
+
+        soc@01c00000 {
+                mmc0: mmc@01c0f000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+                        vmmc-supply = <&reg_vcc3v3>;
+                        bus-width = <4>;
+                        cd-gpios = <&pio 7 1 0>; /* PH1 */
+                        cd-inverted;
+                        status = "okay";
+                };
+
+                usbphy: phy@01c13400 {
+                        usb1_vbus-supply = <&reg_usb1_vbus>;
+                        usb2_vbus-supply = <&reg_usb2_vbus>;
+                        status = "okay";
+                };
+
+                ehci0: usb@01c14000 {
+                        status = "okay";
+                };
+
+                ohci0: usb@01c14400 {
+                        status = "okay";
+                };
+
+                ahci: sata@01c18000 {
+                        target-supply = <&reg_ahci_5v>;
+                        status = "okay";
+                };
+
+                ehci1: usb@01c1c000 {
+                        status = "okay";
+                };
+
+                ohci1: usb@01c1c400 {
+                        status = "okay";
+                };
+
+                pinctrl@01c20800 {
+                        ahci_pwr_pin_olinuxinolime: ahci_pwr_pin@1 {
+                                allwinner,pins = "PC3";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <0>;
+                                allwinner,pull = <0>;
+                        };
+
+                        led_pins_olinuxinolime: led_pins@0 {
+                                allwinner,pins = "PH2";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <1>;
+                                allwinner,pull = <0>;
+                        };
+                };
+
+                uart0: serial@01c28000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart0_pins_a>;
+                        status = "okay";
+                };
+
+                i2c0: i2c@01c2ac00 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&i2c0_pins_a>;
+                        status = "okay";
+
+                        axp209: pmic@34 {
+                                compatible = "x-powers,axp209";
+                                reg = <0x34>;
+                                interrupt-parent = <&nmi_intc>;
+                                interrupts = <0 8>;
+
+                                interrupt-controller;
+                                #interrupt-cells = <1>;
+
+                                acin-supply = <&reg_axp_ipsout>;
+                                vin2-supply = <&reg_axp_ipsout>;
+                                vin3-supply = <&reg_axp_ipsout>;
+                                ldo24in-supply = <&reg_axp_ipsout>;
+                                ldo3in-supply = <&reg_axp_ipsout>;
+
+                                regulators {
+                                        vdd_rtc: ldo1 {
+                                                regulator-min-microvolt = <1300000>;
+                                                regulator-max-microvolt = <1300000>;
+                                                regulator-always-on;
+                                        };
+
+                                        avcc: ldo2 {
+                                                regulator-min-microvolt = <1800000>;
+                                                regulator-max-microvolt = <3300000>;
+                                                regulator-always-on;
+                                        };
+
+                                        vcc_csi0: ldo3 {
+                                                regulator-min-microvolt = <700000>;
+                                                regulator-max-microvolt = <3500000>;
+                                                regulator-always-on;
+                                        };
+
+                                        vcc_csi1: ldo4 {
+                                                regulator-min-microvolt = <1250000>;
+                                                regulator-max-microvolt = <3300000>;
+                                                regulator-always-on;
+                                        };
+
+                                        vdd_cpu: dcdc2 {
+                                                regulator-min-microvolt = <700000>;
+                                                regulator-max-microvolt = <2275000>;
+                                                regulator-always-on;
+                                        };
+
+                                        vdd_int: dcdc3 {
+                                                regulator-min-microvolt = <700000>;
+                                                regulator-max-microvolt = <3500000>;
+                                                regulator-always-on;
+                                        };
+                                };
+                        };
+                };
+
+                i2c1: i2c@01c2b000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&i2c1_pins_a>;
+                        status = "okay";
+                };
+
+                gmac: ethernet@01c50000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&gmac_pins_rgmii_a>;
+                        phy = <&phy1>;
+                        phy-mode = "rgmii";
+                        status = "okay";
+
+                        phy1: ethernet-phy@1 {
+                                reg = <1>;
+                        };
+                };
+        };
+
+        leds {
+                compatible = "gpio-leds";
+                pinctrl-names = "default";
+                pinctrl-0 = <&led_pins_olinuxinolime>;
+
+                green {
+                        label = "a20-olinuxino-lime2:green:usr";
+                        gpios = <&pio 7 2 0>;
+                        default-state = "on";
+                };
+        };
+
+        reg_ahci_5v: ahci-5v {
+                pinctrl-0 = <&ahci_pwr_pin_olinuxinolime>;
+                gpio = <&pio 2 3 0>;
+                status = "okay";
+        };
+
+        reg_usb1_vbus: usb1-vbus {
+                status = "okay";
+        };
+
+        reg_usb2_vbus: usb2-vbus {
+                status = "okay";
+        };
+
+        reg_axp_ipsout: axp_ipsout {
+                compatible = "regulator-fixed";
+                regulator-name = "axp-ipsout";
+                regulator-min-microvolt = <5000000>;
+                regulator-max-microvolt = <5000000>;
+                regulator-always-on;
+        };
+};