[linux-sunxi] [PATCH v4 7/9] arm64: dts: add Allwinner A64 SoC .dtsi

Chen-Yu Tsai wens at csie.org
Thu Oct 20 08:14:05 PDT 2016


On Tue, Oct 11, 2016 at 10:28 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> From: Andre Przywara <andre.przywara at arm.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 at arm.com>
> Acked-by: Rob Herring <robh at kernel.org>
> Acked-by: Chen-Yu Tsai <wens at csie.org>
> [Maxime: Convert to CCU binding, drop the MMC support for now]
> Signed-off-by: Maxime Ripard <maxime.ripard at free-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 at lists.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 at elopez.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 at gmail.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 at 0 {
> +                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       device_type = "cpu";
> +                       reg = <0>;
> +                       enable-method = "psci";
> +               };
> +
> +               cpu1: cpu at 1 {
> +                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       device_type = "cpu";
> +                       reg = <1>;
> +                       enable-method = "psci";
> +               };
> +
> +               cpu2: cpu at 2 {
> +                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       device_type = "cpu";
> +                       reg = <2>;
> +                       enable-method = "psci";
> +               };
> +
> +               cpu3: cpu at 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 at 01c20000 {
> +                       compatible = "allwinner,sun50i-a64-ccu";
> +                       reg = <0x01c20000 0x400>;
> +                       clocks = <&osc24M>, <&osc32k>;
> +                       clock-names = "hosc", "losc";
> +                       #clock-cells = <1>;
> +                       #reset-cells = <1>;
> +               };
> +
> +               pio: pinctrl at 1c20800 {
> +                       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 at 0 {
> +                               allwinner,pins = "PB8", "PB9";
> +                               allwinner,function = "uart0";
> +                       };
> +               };
> +
> +               uart0: serial at 1c28000 {
> +                       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 at 1c28400 {
> +                       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 at 1c28800 {
> +                       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 at 1c28c00 {
> +                       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 at 1c29000 {
> +                       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 at 1f00000 {
> +                       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.

ChenYu

> +
> +               i2c0: i2c at 1c2ac00 {
> +                       compatible = "allwinner,sun6i-a31-i2c";
> +                       reg = <0x01c2ac00 0x400>;
> +                       interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&ccu CLK_BUS_I2C0>;
> +                       resets = <&ccu RST_BUS_I2C0>;
> +                       status = "disabled";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +               };
> +
> +               i2c1: i2c at 1c2b000 {
> +                       compatible = "allwinner,sun6i-a31-i2c";
> +                       reg = <0x01c2b000 0x400>;
> +                       interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&ccu CLK_BUS_I2C1>;
> +                       resets = <&ccu RST_BUS_I2C1>;
> +                       status = "disabled";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +               };
> +
> +               i2c2: i2c at 1c2b400 {
> +                       compatible = "allwinner,sun6i-a31-i2c";
> +                       reg = <0x01c2b400 0x400>;
> +                       interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&ccu CLK_BUS_I2C2>;
> +                       resets = <&ccu RST_BUS_I2C2>;
> +                       status = "disabled";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +               };
> +
> +               gic: interrupt-controller at 1c81000 {
> +                       compatible = "arm,gic-400";
> +                       reg = <0x01c81000 0x1000>,
> +                             <0x01c82000 0x2000>,
> +                             <0x01c84000 0x2000>,
> +                             <0x01c86000 0x2000>;
> +                       interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
> +                       interrupt-controller;
> +                       #interrupt-cells = <3>;
> +               };
> +       };
> +};
> --
> git-series 0.8.10
>
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