From fd8133b725198978865ead730ff20d3991e05f20 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 15 Oct 2015 22:04:10 +0200 Subject: sunxi: Add CHIP support The C.H.I.P. is a small SBC with an Allwinner R8, 8GB of NAND, 512MB of RAM, USB host and OTG, a wifi / bluetooth combo chip, an audio/video jack and two connectors to plug additional boards on top of it. The DT is identical to the DT submitted to the upstream kernel. Signed-off-by: Maxime Ripard Reviewed-by: Tom Rini Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 8cd282b..8b656e9 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -113,7 +113,8 @@ dtb-$(CONFIG_MACH_SUN5I) += \ sun5i-a13-olinuxino.dtb \ sun5i-a13-olinuxino-micro.dtb \ sun5i-a13-q8-tablet.dtb \ - sun5i-a13-utoo-p66.dtb + sun5i-a13-utoo-p66.dtb \ + sun5i-r8-chip.dtb dtb-$(CONFIG_MACH_SUN6I) += \ sun6i-a31-app4-evb1.dtb \ sun6i-a31-colombus.dtb \ diff --git a/arch/arm/dts/sun5i-r8-chip.dts b/arch/arm/dts/sun5i-r8-chip.dts new file mode 100644 index 0000000..abf3ccb --- /dev/null +++ b/arch/arm/dts/sun5i-r8-chip.dts @@ -0,0 +1,214 @@ +/* + * Copyright 2015 Free Electrons + * Copyright 2015 NextThing Co + * + * Maxime Ripard + * + * 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 "sun5i-r8.dtsi" +#include "sunxi-common-regulators.dtsi" + +#include +#include + +/ { + model = "NextThing C.H.I.P."; + compatible = "nextthing,chip", "allwinner,sun5i-r8"; + + aliases { + i2c0 = &i2c0; + i2c2 = &i2c2; + serial0 = &uart1; + serial1 = &uart3; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&ehci0 { + status = "okay"; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + axp209: pmic@34 { + reg = <0x34>; + + /* + * The interrupt is routed through the "External Fast + * Interrupt Request" pin (ball G13 of the module) + * directly to the main interrupt controller, without + * any other controller interfering. + */ + interrupts = <0>; + }; +}; + +#include "axp209.dtsi" + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins_a>; + status = "okay"; + + xio: gpio@38 { + compatible = "nxp,pcf8574a"; + reg = <0x38>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-parent = <&pio>; + interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + }; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_a>; + vmmc-supply = <®_vcc3v3>; + bus-width = <4>; + non-removable; + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&otg_sram { + status = "okay"; +}; + +&pio { + chip_vbus_pin: chip_vbus_pin@0 { + allwinner,pins = "PB10"; + allwinner,function = "gpio_out"; + allwinner,drive = ; + allwinner,pull = ; + }; + + chip_id_det_pin: chip_id_det_pin@0 { + allwinner,pins = "PG2"; + allwinner,function = "gpio_in"; + allwinner,drive = ; + allwinner,pull = ; + }; +}; + +®_dcdc2 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-name = "cpuvdd"; + regulator-always-on; +}; + +®_dcdc3 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1300000>; + regulator-name = "corevdd"; + regulator-always-on; +}; + +®_ldo1 { + regulator-name = "rtcvdd"; +}; + +®_ldo2 { + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <3300000>; + regulator-name = "avcc"; + regulator-always-on; +}; + +®_ldo5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc-1v8"; +}; + +®_usb0_vbus { + pinctrl-0 = <&chip_vbus_pin>; + vin-supply = <®_vcc5v0>; + gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */ + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins_b>; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins_a>, + <&uart3_pins_cts_rts_a>; + status = "okay"; +}; + +&usb_otg { + dr_mode = "otg"; + status = "okay"; +}; + +&usb_power_supply { + status = "okay"; +}; + +&usbphy { + pinctrl-names = "default"; + pinctrl-0 = <&chip_id_det_pin>; + status = "okay"; + + usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ + usb0_vbus_power-supply = <&usb_power_supply>; + usb0_vbus-supply = <®_usb0_vbus>; + usb1_vbus-supply = <®_vcc5v0>; +}; diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS index 99f29d3..96c4f3a 100644 --- a/board/sunxi/MAINTAINERS +++ b/board/sunxi/MAINTAINERS @@ -24,6 +24,7 @@ F: configs/A13-OLinuXino_defconfig F: configs/A13-OLinuXinoM_defconfig F: configs/Auxtek-T003_defconfig F: configs/Auxtek-T004_defconfig +F: configs/CHIP_defconfig F: configs/inet98v_rev2_defconfig F: configs/mk802_a10s_defconfig F: configs/q8_a13_tablet_defconfig diff --git a/configs/CHIP_defconfig b/configs/CHIP_defconfig new file mode 100644 index 0000000..c4e8079 --- /dev/null +++ b/configs/CHIP_defconfig @@ -0,0 +1,14 @@ +CONFIG_ARM=y +CONFIG_ARCH_SUNXI=y +CONFIG_MACH_SUN5I=y +CONFIG_DRAM_TIMINGS_DDR3_800E_1066G_1333J=y +# CONFIG_MMC is not set +CONFIG_USB0_VBUS_PIN="PB10" +CONFIG_DEFAULT_DEVICE_TREE="sun5i-r8-chip" +CONFIG_SPL=y +CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=2" +# CONFIG_CMD_IMLS is not set +CONFIG_AXP_DCDC2_VOLT=1300 +CONFIG_AXP_ALDO3_VOLT=3300 +CONFIG_AXP_ALDO4_VOLT=3300 +CONFIG_USB_MUSB_GADGET=y -- cgit v0.10.2