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Message-ID: <20161020174935.ue54me3ber2o3xuq@lukather>
Date: Thu, 20 Oct 2016 19:49:35 +0200
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Chen-Yu Tsai <wens@...e.org>
Cc: Mike Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-clk <linux-clk@...r.kernel.org>,
linux-sunxi <linux-sunxi@...glegroups.com>,
Andre Przywara <andre.przywara@....com>
Subject: Re: [linux-sunxi] [PATCH v4 7/9] arm64: dts: add Allwinner A64 SoC
.dtsi
On Thu, Oct 20, 2016 at 11:14:05PM +0800, Chen-Yu Tsai wrote:
> On Tue, Oct 11, 2016 at 10:28 PM, Maxime Ripard
> <maxime.ripard@...e-electrons.com> wrote:
> > From: Andre Przywara <andre.przywara@....com>
> >
> > The Allwinner A64 SoC is a low-cost chip with 4 ARM Cortex-A53 cores
> > and the typical tablet / TV box peripherals.
> > The SoC is based on the (32-bit) Allwinner H3 chip, sharing most of
> > the peripherals and the memory map.
> > Although the cores are proper 64-bit ones, the whole SoC is actually
> > limited to 4GB (including all the supported DRAM), so we use 32-bit
> > address and size cells. This has the nice feature of us being able to
> > reuse the DT for 32-bit kernels as well.
> > This .dtsi lists the hardware that we support so far.
> >
> > Signed-off-by: Andre Przywara <andre.przywara@....com>
> > Acked-by: Rob Herring <robh@...nel.org>
> > Acked-by: Chen-Yu Tsai <wens@...e.org>
> > [Maxime: Convert to CCU binding, drop the MMC support for now]
> > Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> > ---
> > Documentation/devicetree/bindings/arm/sunxi.txt | 1 +-
> > MAINTAINERS | 1 +-
> > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 263 +++++++++++++++++-
> > 3 files changed, 265 insertions(+), 0 deletions(-)
> > create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> >
> > diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt
> > index 3975d0a0e4c2..4d6467cc2aa2 100644
> > --- a/Documentation/devicetree/bindings/arm/sunxi.txt
> > +++ b/Documentation/devicetree/bindings/arm/sunxi.txt
> > @@ -14,4 +14,5 @@ using one of the following compatible strings:
> > allwinner,sun8i-a83t
> > allwinner,sun8i-h3
> > allwinner,sun9i-a80
> > + allwinner,sun50i-a64
> > nextthing,gr8
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index 7be47efb2159..926879c05dc6 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -983,6 +983,7 @@ L: linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
> > S: Maintained
> > N: sun[x456789]i
> > F: arch/arm/boot/dts/ntc-gr8*
> > +F: arch/arm64/boot/dts/allwinner/
> >
> > ARM/Allwinner SoC Clock Support
> > M: Emilio López <emilio@...pez.com.ar>
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > new file mode 100644
> > index 000000000000..0f75fec23dc9
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > @@ -0,0 +1,263 @@
> > +/*
> > + * Copyright (C) 2016 ARM Ltd.
> > + * based on the Allwinner H3 dtsi:
> > + * Copyright (C) 2015 Jens Kuske <jenskuske@...il.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.
> > + */
> > +
> > +#include <dt-bindings/clock/sun50i-a64-ccu.h>
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +#include <dt-bindings/pinctrl/sun4i-a10.h>
> > +#include <dt-bindings/reset/sun50i-a64-ccu.h>
> > +
> > +/ {
> > + interrupt-parent = <&gic>;
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > +
> > + cpus {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + cpu0: cpu@0 {
> > + compatible = "arm,cortex-a53", "arm,armv8";
> > + device_type = "cpu";
> > + reg = <0>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu1: cpu@1 {
> > + compatible = "arm,cortex-a53", "arm,armv8";
> > + device_type = "cpu";
> > + reg = <1>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu2: cpu@2 {
> > + compatible = "arm,cortex-a53", "arm,armv8";
> > + device_type = "cpu";
> > + reg = <2>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu3: cpu@3 {
> > + compatible = "arm,cortex-a53", "arm,armv8";
> > + device_type = "cpu";
> > + reg = <3>;
> > + enable-method = "psci";
> > + };
> > + };
> > +
> > + osc24M: osc24M_clk {
> > + #clock-cells = <0>;
> > + compatible = "fixed-clock";
> > + clock-frequency = <24000000>;
> > + clock-output-names = "osc24M";
> > + };
> > +
> > + osc32k: osc32k_clk {
> > + #clock-cells = <0>;
> > + compatible = "fixed-clock";
> > + clock-frequency = <32768>;
> > + clock-output-names = "osc32k";
> > + };
> > +
> > + psci {
> > + compatible = "arm,psci-0.2";
> > + method = "smc";
> > + };
> > +
> > + timer {
> > + compatible = "arm,armv8-timer";
> > + interrupts = <GIC_PPI 13
> > + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
> > + <GIC_PPI 14
> > + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
> > + <GIC_PPI 11
> > + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
> > + <GIC_PPI 10
> > + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
> > + };
> > +
> > + soc {
> > + compatible = "simple-bus";
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + ranges;
> > +
> > + ccu: clock@...20000 {
> > + compatible = "allwinner,sun50i-a64-ccu";
> > + reg = <0x01c20000 0x400>;
> > + clocks = <&osc24M>, <&osc32k>;
> > + clock-names = "hosc", "losc";
> > + #clock-cells = <1>;
> > + #reset-cells = <1>;
> > + };
> > +
> > + pio: pinctrl@...0800 {
> > + compatible = "allwinner,sun50i-a64-pinctrl";
> > + reg = <0x01c20800 0x400>;
> > + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_PIO>;
> > + gpio-controller;
> > + #gpio-cells = <3>;
> > + interrupt-controller;
> > + #interrupt-cells = <2>;
>
> I think this should be 3? <bank index flags>?
>
> > +
> > + i2c1_pins: i2c1_pins {
> > + allwinner,pins = "PH2", "PH3";
> > + allwinner,function = "i2c1";
> > + };
> > +
> > + uart0_pins_a: uart0@0 {
> > + allwinner,pins = "PB8", "PB9";
> > + allwinner,function = "uart0";
> > + };
> > + };
> > +
> > + uart0: serial@...8000 {
> > + compatible = "snps,dw-apb-uart";
> > + reg = <0x01c28000 0x400>;
> > + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
> > + reg-shift = <2>;
> > + reg-io-width = <4>;
> > + clocks = <&ccu CLK_BUS_UART0>;
> > + resets = <&ccu RST_BUS_UART0>;
> > + status = "disabled";
> > + };
> > +
> > + uart1: serial@...8400 {
> > + compatible = "snps,dw-apb-uart";
> > + reg = <0x01c28400 0x400>;
> > + interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
> > + reg-shift = <2>;
> > + reg-io-width = <4>;
> > + clocks = <&ccu CLK_BUS_UART1>;
> > + resets = <&ccu RST_BUS_UART1>;
> > + status = "disabled";
> > + };
> > +
> > + uart2: serial@...8800 {
> > + compatible = "snps,dw-apb-uart";
> > + reg = <0x01c28800 0x400>;
> > + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
> > + reg-shift = <2>;
> > + reg-io-width = <4>;
> > + clocks = <&ccu CLK_BUS_UART2>;
> > + resets = <&ccu RST_BUS_UART2>;
> > + status = "disabled";
> > + };
> > +
> > + uart3: serial@...8c00 {
> > + compatible = "snps,dw-apb-uart";
> > + reg = <0x01c28c00 0x400>;
> > + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
> > + reg-shift = <2>;
> > + reg-io-width = <4>;
> > + clocks = <&ccu CLK_BUS_UART3>;
> > + resets = <&ccu RST_BUS_UART3>;
> > + status = "disabled";
> > + };
> > +
> > + uart4: serial@...9000 {
> > + compatible = "snps,dw-apb-uart";
> > + reg = <0x01c29000 0x400>;
> > + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
> > + reg-shift = <2>;
> > + reg-io-width = <4>;
> > + clocks = <&ccu CLK_BUS_UART4>;
> > + resets = <&ccu RST_BUS_UART4>;
> > + status = "disabled";
> > + };
> > +
> > + rtc: rtc@...0000 {
> > + compatible = "allwinner,sun6i-a31-rtc";
> > + reg = <0x01f00000 0x54>;
> > + interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> > + };
>
> Should sort by address.
>
> You can keep my Ack after fixing these.
Indeed, fixed.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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