[PATCH 8/8] ARM: gr8: Add CHIP Pro support

From: Maxime Ripard
Date: Thu Oct 20 2016 - 04:13:46 EST

The CHIP Pro is a small embeddable board. It features a GR8, an AXP209
PMIC, a 512MB SLC NAND and a WiFi/BT chip.

Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +-
arch/arm/boot/dts/ntc-gr8-chip-pro.dts | 266 ++++++++++++++++++++++++++-
2 files changed, 267 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/boot/dts/ntc-gr8-chip-pro.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index befcd2619902..3dab5b593158 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -745,6 +745,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \
sun4i-a10-pcduino2.dtb \
sun4i-a10-pov-protab2-ips9.dtb
dtb-$(CONFIG_MACH_SUN5I) += \
+ ntc-gr8-chip-pro.dtb \
ntc-gr8-evb.dtb \
sun5i-a10s-auxtek-t003.dtb \
sun5i-a10s-auxtek-t004.dtb \
diff --git a/arch/arm/boot/dts/ntc-gr8-chip-pro.dts b/arch/arm/boot/dts/ntc-gr8-chip-pro.dts
new file mode 100644
index 000000000000..3c86f214c493
--- /dev/null
+++ b/arch/arm/boot/dts/ntc-gr8-chip-pro.dts
@@ -0,0 +1,266 @@
+/*
+ * Copyright 2016 Free Electrons
+ * Copyright 2016 NextThing Co
+ *
+ * Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
+ *
+ * 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 C.H.I.P. Pro";
+ compatible = "nextthing,chip-pro", "nextthing,gr8";
+
+ aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ serial0 = &uart1;
+ serial1 = &uart2;
+ serial2 = &uart3;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ status {
+ label = "chip-pro:white:status";
+ gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
+ mmc0_pwrseq: mmc0_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_reg_on_pin_chip_pro>;
+ reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
+ };
+};
+
+&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 = "disabled";
+};
+
+&i2s0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
+ status = "disabled";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>;
+ vmmc-supply = <&reg_vcc3v3>;
+ mmc-pwrseq = <&mmc0_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+};
+
+&nfc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
+ status = "okay";
+
+ nand@0 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ reg = <0>;
+ allwinner,rb = <0>;
+ nand-ecc-mode = "hw";
+ };
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&otg_sram {
+ status = "okay";
+};
+
+&pio {
+ usb0_id_pin_chip_pro: usb0-id-pin@0 {
+ allwinner,pins = "PG2";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
+ wifi_reg_on_pin_chip_pro: wifi-reg-on-pin@0 {
+ allwinner,pins = "PB10";
+ 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>, <&pwm1_pins_a>;
+ status = "disabled";
+};
+
+&reg_dcdc2 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-cpu";
+ regulator-always-on;
+};
+
+&reg_dcdc3 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-name = "vdd-sys";
+ regulator-always-on;
+};
+
+&reg_ldo1 {
+ regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "avcc";
+ regulator-always-on;
+};
+
+/*
+ * Both LDO3 and LDO4 are used in parallel to power up the
+ * WiFi/BT chip.
+ */
+&reg_ldo3 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-wifi-1";
+ regulator-always-on;
+};
+
+&reg_ldo4 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-wifi-2";
+ regulator-always-on;
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
+ status = "okay";
+};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins_a>, <&uart2_cts_rts_pins_a>;
+ status = "disabled";
+};
+
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart3_pins_a>, <&uart3_cts_rts_pins_a>;
+ status = "okay";
+};
+
+&usb_otg {
+ /*
+ * The CHIP Pro doesn't have a controllable VBUS, nor does it
+ * have any 5v rail on the board itself.
+ *
+ * If one wants to use it as a true OTG port, it should be
+ * done in the baseboard, and its DT / overlay will add it.
+ */
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb_power_supply {
+ status = "okay";
+};
+
+&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_pin_chip_pro>;
+ usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
+ usb0_vbus_power-supply = <&usb_power_supply>;
+ usb1_vbus-supply = <&reg_vcc5v0>;
+ status = "okay";
+};
--
git-series 0.8.10