[PATCH] sun7i: Add defconfig and dts for Vivax TPC-9150

Nikola Pavlica pavlica.nikola at gmail.com
Sat Oct 2 23:00:20 CEST 2021 

This patch uses the (almost) the same settings as those found in the
original Android firmware. As such, it gurantees good compatibility.

Signed-off-by: Nikola Pavlica <pavlica.nikola at gmail.com>
---
 arch/arm/dts/Makefile                    |   1 +
 arch/arm/dts/sun7i-a20-vivax-tpc9150.dts | 299 +++++++++++++++++++++++
 board/sunxi/MAINTAINERS                  |   5 +
 configs/Vivax_TPC9150_defconfig          |  13 +
 4 files changed, 318 insertions(+)
 create mode 100644 arch/arm/dts/sun7i-a20-vivax-tpc9150.dts
 create mode 100644 configs/Vivax_TPC9150_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index fc16a57e60..d8e2248272 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -568,6 +568,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-pcduino3.dtb \
 	sun7i-a20-pcduino3-nano.dtb \
 	sun7i-a20-primo73.dtb \
+	sun7i-a20-vivax-tpc9150.dtb \
 	sun7i-a20-wexler-tab7200.dtb \
 	sun7i-a20-wits-pro-a20-dkt.dtb \
 	sun7i-a20-yones-toptech-bd1078.dtb
diff --git a/arch/arm/dts/sun7i-a20-vivax-tpc9150.dts b/arch/arm/dts/sun7i-a20-vivax-tpc9150.dts
new file mode 100644
index 0000000000..38a3a4ae1c
--- /dev/null
+++ b/arch/arm/dts/sun7i-a20-vivax-tpc9150.dts
@@ -0,0 +1,299 @@
+/*
+ * Copyright 2021 Nikola Pavlica <pavlica.nikola at xxxxxxxxx>
+ * 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"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "Vivax TPC-9150 tablet";
+	compatible = "vivax,tpc-9150", "allwinner,sun7i-a20";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <0  1  2  4  6  8 11 14 18
+							23 30 38 48 61 78 100>;
+		default-brightness-level = <16>;
+		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
+		power-supply = <&reg_vcc3v3>;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+};
+
+&i2c0 {
+	status = "okay";
+
+	axp209: pmic at 34 {
+		reg = <0x34>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	// you need to manually probe this sensor, the kernel fails to do it on its own
+	stk8312 at 3d {
+		compatible = "STK8312", "stk8312";
+		reg = <0x3d>;
+		interrupt-parent = <&pio>;
+		interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH0 / EINT0 */
+	};
+};
+
+&i2c2 {
+	status = "okay";
+
+	ft5x: touchscreen at 38 {
+		compatible = "edt,edt-ft5406";
+		reg = <0x38>;
+		interrupt-parent = <&pio>;
+		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* PH21 */
+
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <480>;
+
+		bias-pull-up;
+	};
+};
+
+&i2c3 {
+	status = "okay";
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&otg_sram {
+	status = "okay";
+};
+
+&reg_usb0_vbus {
+	status = "okay";
+};
+
+&reg_usb1_vbus {
+	status = "okay";
+	gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
+};
+
+&reg_usb2_vbus {
+	status = "okay";
+	gpio = <&pio 7 3 GPIO_ACTIVE_HIGH>; /* PH3 */
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbphy {
+	usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
+	usb0_vbus_power-supply = <&usb_power_supply>;
+	usb0_vbus-supply = <&reg_usb0_vbus>;
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	usb2_vbus-supply = <&reg_usb2_vbus>;
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
+
+
+// display related
+&be0 {
+	status = "okay";
+};
+
+&hdmi {
+	status = "okay";
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+// PWM used for the backlight
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pin>;
+	status = "okay";
+};
+
+&codec {
+	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */
+	status = "okay";
+};
+
+#include "axp209.dtsi"
+
+&usb_power_supply {
+	status = "okay";
+};
+
+&battery_power_supply {
+	status = "okay";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1500000>;
+	regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-int-pll";
+};
+
+&reg_ldo1 {
+	regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
+};
+
+&reg_ldo3 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-wifi";
+};
+
+&lradc {
+	vref-supply = <&reg_vcc3v0>;
+	status = "enabled";
+};
+
+// voltage table obtained from FEX file1
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+	operating-points = <
+		/* kHz	  uV */
+		1008000	1450000
+		960000	1400000
+		864000	1300000
+		792000	1250000
+		720000	1200000
+		624000	1150000
+		528000	1100000
+		312000	1050000
+		144000	1050000
+		>;
+};
+
+&cpu1 {
+	cpu-supply = <&reg_dcdc2>;
+	operating-points = <
+		/* kHz	  uV */
+		1008000	1450000
+		960000	1400000
+		864000	1300000
+		792000	1250000
+		720000	1200000
+		624000	1150000
+		528000	1100000
+		312000	1050000
+		144000	1050000
+		>;
+};
+
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index 4fc26077b2..b13c09f582 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -515,6 +515,11 @@ M:	Maxime Ripard <mripard at kernel.org>
 S:	Maintained
 F:	configs/tbs_a711_defconfig
 
+VIVAX TPC-9150 BOARD
+M:	Nikola Pavlica <pavlica.nikola at gmail.com
+S:	Maintained
+F:	configs/Vivax_TPC-9150-defconfig
+
 WEXLER-TAB7200 BOARD
 M:	Aleksei Mamlin <mamlinav at gmail.com>
 S:	Maintained
diff --git a/configs/Vivax_TPC9150_defconfig b/configs/Vivax_TPC9150_defconfig
new file mode 100644
index 0000000000..5ca2a08bf9
--- /dev/null
+++ b/configs/Vivax_TPC9150_defconfig
@@ -0,0 +1,13 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_SPL=y
+CONFIG_MACH_SUN7I=y
+CONFIG_DRAM_CLK=384
+CONFIG_VIDEO_LCD_MODE="x:1024,y:600,depth:18,pclk_khz:60000,le:60,ri:160,up:13,lo:12,hs:100,vs:10,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_DCLK_PHASE=0
+CONFIG_VIDEO_LCD_POWER="PH8"
+CONFIG_VIDEO_LCD_BL_EN="PH7"
+CONFIG_VIDEO_LCD_BL_PWM="PB2"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-vivax-tpc9150"
-- 
2.33.0

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