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Message-Id: <1442566130-3497-6-git-send-email-maxime.ripard@free-electrons.com>
Date: Fri, 18 Sep 2015 10:48:50 +0200
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Mike Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
linux-arm-kernel@...ts.infradead.org
Cc: Chen-Yu Tsai <wens@...e.org>, Hans de Goede <hdegoede@...hat.com>,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-sunxi@...glegroups.com,
Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 5/5] ARM: sun5i: Add C.H.I.P DTS
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.
Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
arch/arm/boot/dts/Makefile | 3 +-
arch/arm/boot/dts/sun5i-r8-chip.dts | 261 ++++++++++++++++++++++++++++++++++++
2 files changed, 263 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/sun5i-r8-chip.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b276174b670a..7efd37b907f1 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -599,7 +599,8 @@ dtb-$(CONFIG_MACH_SUN5I) += \
sun5i-a13-inet-98v-rev2.dtb \
sun5i-a13-olinuxino.dtb \
sun5i-a13-olinuxino-micro.dtb \
- sun5i-a13-utoo-p66.dtb
+ sun5i-a13-utoo-p66.dtb \
+ sun5i-r8-chip.dtb
dtb-$(CONFIG_MACH_SUN6I) += \
sun6i-a31-app4-evb1.dtb \
sun6i-a31-colombus.dtb \
diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts
new file mode 100644
index 000000000000..6cb3c4f1cd61
--- /dev/null
+++ b/arch/arm/boot/dts/sun5i-r8-chip.dts
@@ -0,0 +1,261 @@
+/*
+ * Copyright 2015 Free Electrons
+ * Copyright 2015 NextThing Co
+ *
+ * Maxime Ripard <maxime.ripard@...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 "sun5i-a13.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ model = "NextThing C.H.I.P.";
+ compatible = "nextthing,chip", "allwinner,sun5i-r8";
+
+ aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ serial0 = &uart1;
+ serial1 = &uart3;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ dram_vcc: dram_vcc {
+ compatible = "regulator-fixed";
+ regulator-name = "dram-vcc";
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <1600000>;
+ vin-supply = <&ipsout>;
+ regulator-always-on;
+ };
+
+ ipsout: ipsout {
+ compatible = "regulator-fixed";
+ regulator-name = "ipsout";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ usb0_vbus: usb0_vbus {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&chip_vbus_pin>;
+
+ regulator-name = "vbus-usb0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc_5v0>;
+ gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
+ enable-active-high;
+ };
+
+ vcc_3v3: vcc3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc-3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&ipsout>;
+ regulator-always-on;
+ };
+
+ vcc_5v0: vcc5v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc-5v0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&ipsout>;
+ regulator-always-on;
+ };
+};
+
+&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 is routed to the external pins and doesn't have any device
+ * attached to it on the C.H.I.P itself.
+ */
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins_a>;
+ status = "okay";
+};
+
+&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 = <&vcc_3v3>;
+ 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 = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
+ chip_id_det_pin: chip_id_det_pin@0 {
+ allwinner,pins = "PG2";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_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";
+};
+
+&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";
+};
+
+&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-supply = <&usb0_vbus>;
+ usb1_vbus-supply = <&vcc_5v0>;
+};
--
2.5.1
--
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