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Allwinner arm64 DT changes for 4.15

Browse Source 
Most notable changes:
   - SPI and DMA support on the a64
   - New boards: NanoPi NEO Plus2
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Merge tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt

Pull "Allwinner arm64 DT changes for 4.15" from Maxime Ripard:

Most notable changes:
  - SPI and DMA support on the a64
  - New boards: NanoPi NEO Plus2

* tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm: allwinner: Correct unit name in devicetree binding example
  arm64: allwinner: a64: add dma controller references to spi nodes
  arm64: allwinner: a64: Add device node for DMA controller
  arm64: allwinner: a64: Fix node with unit name and no reg property
  arm64: allwinner: a64: Fix simple-bus unit address format error
  arm64: allwinner: h5: add NanoPi NEO Plus2 DT support
  arm64: allwinner: a64: add SPI nodes
This commit is contained in:
Arnd Bergmann 2017-10-30 14:13:31 +01:00
commit add5c42e99
4 changed files with 253 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/dma/sun6i-dma.txt
View File

@ -18,7 +18,7 @@ Required properties:
- #dma-cells : Should be 1, a single cell holding a line request number
Example:
dma: dma-controller@01c02000 {
dma: dma-controller@1c02000 {
compatible = "allwinner,sun6i-a31-dma";
reg = <0x01c02000 0x1000>;
interrupts = <0 50 4>;

1
arch/arm64/boot/dts/allwinner/Makefile
View File

@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo2.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo-plus2.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

60
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
View File

@ -136,6 +136,17 @@
reg = <0x01c00000 0x1000>;
};
dma: dma-controller@1c02000 {
compatible = "allwinner,sun50i-a64-dma";
reg = <0x01c02000 0x1000>;
interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_DMA>;
dma-channels = <8>;
dma-requests = <27>;
resets = <&ccu RST_BUS_DMA>;
#dma-cells = <1>;
};
mmc0: mmc@1c0f000 {
compatible = "allwinner,sun50i-a64-mmc";
reg = <0x01c0f000 0x1000>;
@ -325,7 +336,17 @@
drive-strength = <40>;
};
uart0_pins_a: uart0@0 {
spi0_pins: spi0 {
pins = "PC0", "PC1", "PC2", "PC3";
function = "spi0";
};
spi1_pins: spi1 {
pins = "PD0", "PD1", "PD2", "PD3";
function = "spi1";
};
uart0_pins_a: uart0 {
pins = "PB8", "PB9";
function = "uart0";
};
@ -449,6 +470,41 @@
#size-cells = <0>;
};
spi0: spi@1c68000 {
compatible = "allwinner,sun8i-h3-spi";
reg = <0x01c68000 0x1000>;
interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>;
clock-names = "ahb", "mod";
dmas = <&dma 23>, <&dma 23>;
dma-names = "rx", "tx";
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
resets = <&ccu RST_BUS_SPI0>;
status = "disabled";
num-cs = <1>;
#address-cells = <1>;
#size-cells = <0>;
};
spi1: spi@1c69000 {
compatible = "allwinner,sun8i-h3-spi";
reg = <0x01c69000 0x1000>;
interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>;
clock-names = "ahb", "mod";
dmas = <&dma 24>, <&dma 24>;
dma-names = "rx", "tx";
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
resets = <&ccu RST_BUS_SPI1>;
status = "disabled";
num-cs = <1>;
#address-cells = <1>;
#size-cells = <0>;
};
gic: interrupt-controller@1c81000 {
compatible = "arm,gic-400";
reg = <0x01c81000 0x1000>,
@ -497,7 +553,7 @@
interrupt-controller;
#interrupt-cells = <3>;
r_rsb_pins: rsb@0 {
r_rsb_pins: rsb {
pins = "PL0", "PL1";
function = "s_rsb";
};

193
arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts Normal file
View File

@ -0,0 +1,193 @@
/*
* Copyright (C) 2017 Antony Antony <antony@phenome.org>
* Copyright (C) 2016 ARM Ltd.
*
* 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 "sun50i-h5.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/sun4i-a10.h>
/ {
model = "FriendlyARM NanoPi NEO Plus2";
compatible = "friendlyarm,nanopi-neo-plus2", "allwinner,sun50i-h5";
aliases {
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
leds {
compatible = "gpio-leds";
pwr {
label = "nanopi:green:pwr";
gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
status {
label = "nanopi:red:status";
gpios = <&pio 0 20 GPIO_ACTIVE_HIGH>;
};
};
reg_gmac_3v3: gmac-3v3 {
compatible = "regulator-fixed";
pinctrl-names = "default";
regulator-name = "gmac-3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <100000>;
enable-active-high;
gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
};
reg_vcc3v3: vcc3v3 {
compatible = "regulator-fixed";
regulator-name = "vcc3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
vdd_cpux: gpio-regulator {
compatible = "regulator-gpio";
pinctrl-names = "default";
regulator-name = "vdd-cpux";
regulator-type = "voltage";
regulator-boot-on;
regulator-always-on;
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1300000>;
regulator-ramp-delay = <50>; /* 4ms */
gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>;
gpios-states = <0x1>;
states = <1100000 0x0
1300000 0x1>;
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
post-power-on-delay-ms = <200>;
};
};
&codec {
allwinner,audio-routing =
"Line Out", "LINEOUT",
"MIC1", "Mic",
"Mic", "MBIAS";
status = "okay";
};
&ehci0 {
status = "okay";
};
&ehci3 {
status = "okay";
};
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
vmmc-supply = <&reg_vcc3v3>;
bus-width = <4>;
cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
status = "okay";
};
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins_a>;
vmmc-supply = <&reg_vcc3v3>;
vqmmc-supply = <&reg_vcc3v3>;
mmc-pwrseq = <&wifi_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
brcmf: wifi@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
};
};
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_8bit_pins>;
vmmc-supply = <&reg_vcc3v3>;
bus-width = <8>;
non-removable;
cap-mmc-hw-reset;
status = "okay";
};
&ohci0 {
status = "okay";
};
&ohci3 {
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
status = "okay";
};
&usb_otg {
dr_mode = "host";
status = "okay";
};
&usbphy {
/* USB Type-A ports' VBUS is always on */
status = "okay";
};