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Message-Id: <20160908102610.26783-4-maxime.ripard@free-electrons.com>
Date: Thu, 8 Sep 2016 12:26:10 +0200
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Chen-Yu Tsai <wens@...e.org>,
Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Mylene Josserand <mylene.josserand@...e-electrons.com>,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
Alexander Kaplan <alex@...tthing.co>
Subject: [PATCH v3 3/3] ARM: dts: gr8: Add support for the GR8 evaluation board
From: Mylène Josserand <mylene.josserand@...e-electrons.com>
The GR8-EVB is a small board with an NextThing GR8, an Hynix MLC NAND,
an AXP209 PMIC, USB host and OTG, an SPDIF output and a connectors for CSI,
I2S and LCD.
Signed-off-by: Mylène Josserand <mylene.josserand@...e-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/ntc-gr8-evb.dts | 342 ++++++++++++++++++++++++++++++++++++++
2 files changed, 343 insertions(+)
create mode 100644 arch/arm/boot/dts/ntc-gr8-evb.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d5b7d9003bd2..5b54f992ee28 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -719,6 +719,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \
sun4i-a10-pcduino2.dtb \
sun4i-a10-pov-protab2-ips9.dtb
dtb-$(CONFIG_MACH_SUN5I) += \
+ ntc-gr8-evb.dtb \
sun5i-a10s-auxtek-t003.dtb \
sun5i-a10s-auxtek-t004.dtb \
sun5i-a10s-mk802.dtb \
diff --git a/arch/arm/boot/dts/ntc-gr8-evb.dts b/arch/arm/boot/dts/ntc-gr8-evb.dts
new file mode 100644
index 000000000000..feed7dfbdb1c
--- /dev/null
+++ b/arch/arm/boot/dts/ntc-gr8-evb.dts
@@ -0,0 +1,342 @@
+/*
+ * Copyright 2016 Free Electrons
+ * Copyright 2016 NextThing Co
+ *
+ * Mylène Josserand <mylene.josserand@...e-electrons.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 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 "ntc-gr8.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>
+
+/ {
+ model = "NextThing GR8-EVB";
+ compatible = "nextthing,gr8-evb", "nextthing,gr8";
+
+ aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ serial0 = &uart1;
+ serial1 = &uart2;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 0 10000 0>;
+ enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
+
+ brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
+ default-brightness-level = <8>;
+ };
+};
+
+&be0 {
+ status = "okay";
+};
+
+&codec {
+ status = "okay";
+};
+
+&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"
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins_a>;
+ status = "okay";
+
+ pcf8563: rtc@51 {
+ compatible = "phg,pcf8563";
+ reg = <0x51>;
+ };
+
+ wm8978: codec@1a {
+ #sound-dai-cells = <0>;
+ compatible = "wlf,wm8978";
+ reg = <0x1a>;
+ };
+};
+
+&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins_a>;
+ status = "okay";
+};
+
+&i2s0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
+ status = "okay";
+};
+
+&ir0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ir0_rx_pins_a>;
+ status = "okay";
+};
+
+&lradc {
+ vref-supply = <®_ldo2>;
+ status = "okay";
+
+ button@190 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <190000>;
+ };
+
+ button@390 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <390000>;
+ };
+
+ button@600 {
+ label = "Menu";
+ linux,code = <KEY_MENU>;
+ channel = <0>;
+ voltage = <600000>;
+ };
+
+ button@800 {
+ label = "Search";
+ linux,code = <KEY_SEARCH>;
+ channel = <0>;
+ voltage = <800000>;
+ };
+
+ button@980 {
+ label = "Home";
+ linux,code = <KEY_HOMEPAGE>;
+ channel = <0>;
+ voltage = <980000>;
+ };
+
+ button@...0 {
+ label = "Esc";
+ linux,code = <KEY_ESC>;
+ channel = <0>;
+ voltage = <1180000>;
+ };
+
+ button@...0 {
+ label = "Enter";
+ linux,code = <KEY_ENTER>;
+ channel = <0>;
+ voltage = <1400000>;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gr8_evb>;
+ vmmc-supply = <®_vcc3v3>;
+ bus-width = <4>;
+ cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
+ cd-inverted;
+ status = "okay";
+};
+
+&nfc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
+
+ /* MLC Support sucks for now */
+ status = "disabled";
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&otg_sram {
+ status = "okay";
+};
+
+&pio {
+ mmc0_cd_pin_gr8_evb: mmc0-cd-pin@0 {
+ allwinner,pins = "PG0";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
+ usb0_id_pin_gr8_evb: usb0-id-pin@0 {
+ allwinner,pins = "PG2";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
+ usb0_vbus_det_pin_gr8_evb: usb0-vbus-det-pin@0 {
+ allwinner,pins = "PG1";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
+ usb1_vbus_pin_gr8_evb: usb1-vbus-pin@0 {
+ allwinner,pins = "PG13";
+ allwinner,function = "gpio_out";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins_a>;
+ status = "okay";
+};
+
+®_dcdc2 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-cpu";
+ regulator-always-on;
+};
+
+®_dcdc3 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-name = "vdd-sys";
+ regulator-always-on;
+};
+
+®_ldo1 {
+ regulator-name = "vdd-rtc";
+};
+
+®_ldo2 {
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "avcc";
+ regulator-always-on;
+};
+
+®_usb1_vbus {
+ pinctrl-0 = <&usb1_vbus_pin_gr8_evb>;
+ gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
+&rtp {
+ allwinner,ts-attached;
+};
+
+&spdif {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spdif_tx_pins_a>;
+ status = "okay";
+};
+
+&tve0 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
+ status = "okay";
+};
+
+&usb_otg {
+ /*
+ * The GR8-EVB has a somewhat interesting design. There's a
+ * pin supposed to control VBUS, an ID pin, a VBUS detect pin,
+ * so everything should work just fine.
+ *
+ * Except that the pin supposed to control VBUS is not
+ * connected to any controllable output, neither to the SoC
+ * through a GPIO or to the PMIC, and it is pulled down,
+ * meaning that we will never be able to enable VBUS on this
+ * board.
+ */
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb_power_supply {
+ status = "okay";
+};
+
+&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_pin_gr8_evb>, <&usb0_vbus_det_pin_gr8_evb>;
+ usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
+ usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
+ usb0_vbus_power-supply = <&usb_power_supply>;
+ usb1_vbus-supply = <®_usb1_vbus>;
+ status = "okay";
+};
--
2.9.3
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