This is initial support for the Pengpod 1000 tablet. The display is not currently working but the UART works fine and allows access to the u-boot console. Memory timing is fine and Linux boots from SD card and runs OK.
Signed-off-by: Bob Ham rah@settrans.net --- arch/arm/dts/Makefile | 1 + arch/arm/dts/sun4i-a10-pengpod-1000.dts | 246 ++++++++++++++++++++++++++++++++ configs/PengPod_1000_defconfig | 22 +++ 3 files changed, 269 insertions(+) create mode 100644 arch/arm/dts/sun4i-a10-pengpod-1000.dts create mode 100644 configs/PengPod_1000_defconfig
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index a0349a8975..49dcf22984 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -265,6 +265,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-olinuxino-lime.dtb \ sun4i-a10-pcduino.dtb \ sun4i-a10-pcduino2.dtb \ + sun4i-a10-pengpod-1000.dtb \ sun4i-a10-pov-protab2-ips9.dtb dtb-$(CONFIG_MACH_SUN5I) += \ sun5i-a10s-auxtek-t003.dtb \ diff --git a/arch/arm/dts/sun4i-a10-pengpod-1000.dts b/arch/arm/dts/sun4i-a10-pengpod-1000.dts new file mode 100644 index 0000000000..3cfd2e1f92 --- /dev/null +++ b/arch/arm/dts/sun4i-a10-pengpod-1000.dts @@ -0,0 +1,246 @@ +/* + * Copyright 2015 Hans de Goede hdegoede@redhat.com + * Copyright 2017 Robert Ham rah@settrans.net + * + * 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 "sun4i-a10.dtsi" +#include "sunxi-common-regulators.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/pwm/pwm.h> + +/ { + model = "PengPod 1000"; + compatible = "pengpod,1000", "allwinner,sun4i-a10"; + + aliases { + serial0 = &uart0; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en_pin_pengpod1000>; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&codec { + status = "okay"; +}; + +&cpu0 { + cpu-supply = <®_dcdc2>; +}; + +&ehci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + axp209: pmic@34 { + compatible = "x-powers,axp209"; + reg = <0x34>; + interrupts = <0>; + }; +}; + +#include "axp209.dtsi" + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins_a>; + status = "okay"; + + mma7660: accelerometer@4c { + compatible = "fsl,mma7660"; + reg = <0x4c>; + }; +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins_a>; + status = "okay"; + + ft5406ee8: touchscreen@38 { + compatible = "edt,edt-ft5406"; + reg = <0x38>; + interrupt-parent = <&pio>; + interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen_pins>; + reset-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>; + touchscreen-size-x = <1024>; + touchscreen-size-y = <600>; + touchscreen-swapped-x-y; + }; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>; + vmmc-supply = <®_vcc3v3>; + bus-width = <4>; + cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ + cd-inverted; + status = "okay"; +}; + +&pio { + bl_en_pin_pengpod1000: bl_en_pin@0 { + allwinner,pins = "PH7"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + touchscreen_pins: touchscreen_pins@0 { + allwinner,pins = "PB13"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + usb0_id_detect_pin: usb0_id_detect_pin@0 { + allwinner,pins = "PH4"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; + }; + + usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 { + allwinner,pins = "PH5"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>; + }; +}; + +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + +®_dcdc2 { + regulator-always-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-name = "vdd-cpu"; +}; + +®_dcdc3 { + regulator-always-on; + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <1250000>; + regulator-name = "vdd-int-dll"; +}; + +®_ldo1 { + regulator-name = "vdd-rtc"; +}; + +®_ldo2 { + regulator-always-on; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + regulator-name = "avcc"; +}; + +&ohci0 { + status = "okay"; +}; + +&otg_sram { + status = "okay"; +}; + +®_usb0_vbus { + status = "okay"; +}; + +®_usb1_vbus { + status = "okay"; +}; + +®_usb2_vbus { + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins_a>; + status = "okay"; +}; + +&usb_otg { + dr_mode = "otg"; + status = "okay"; +}; + +&usbphy { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; + usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ + usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ + usb0_vbus-supply = <®_usb0_vbus>; + usb1_vbus-supply = <®_usb1_vbus>; + usb2_vbus-supply = <®_usb2_vbus>; + status = "okay"; +}; diff --git a/configs/PengPod_1000_defconfig b/configs/PengPod_1000_defconfig new file mode 100644 index 0000000000..114051cc72 --- /dev/null +++ b/configs/PengPod_1000_defconfig @@ -0,0 +1,22 @@ +CONFIG_ARM=y +CONFIG_ARCH_SUNXI=y +CONFIG_SPL=y +CONFIG_SPL_I2C_SUPPORT=y +CONFIG_MACH_SUN4I=y +CONFIG_DRAM_CLK=408 +CONFIG_DRAM_ZQ=123 +CONFIG_DRAM_EMR1=4 +CONFIG_USB1_VBUS_PIN="" +CONFIG_USB2_VBUS_PIN="" +CONFIG_USB_EHCI_HCD=y +CONFIG_VIDEO_LCD_MODE="x:1024,y:600,depth:18,pclk_khz:51000,le:315,ri:4,up:30,lo:4,hs:1,vs:1,sync:3,vmode:0" +CONFIG_VIDEO_LCD_POWER="PH8" +CONFIG_VIDEO_LCD_BL_EN="PH7" +CONFIG_VIDEO_LCD_BL_PWM="PB2" +CONFIG_VIDEO_LCD_PANEL_LVDS=y +CONFIG_DEFAULT_DEVICE_TREE="sun4i-a10-pengpod-1000" +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set +# CONFIG_SYS_EXTRA_OPTIONS is not set +# CONFIG_CMD_IMLS is not set +# CONFIG_CMD_FLASH is not set +# CONFIG_CMD_FPGA is not set