[PATCH v2 7/7] arm64: dts: Add Mediatek SoC MT8186 dts and evaluation board and Makefile

allen-kh.cheng allen-kh.cheng at mediatek.com
Thu Jan 27 17:09:53 PST 2022


On Thu, 2022-01-27 at 14:17 +0800, Hsin-Yi Wang wrote:
> On Wed, Jan 5, 2022 at 10:27 AM allen-kh.cheng
> <allen-kh.cheng at mediatek.com> wrote:
> > 
> > From: Allen-KH Cheng <Allen-KH.Cheng at mediatek.com>
> > 
> > Add basic chip support for Mediatek MT8186
> > 
> > Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng at mediatek.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/Makefile       |   1 +
> >  arch/arm64/boot/dts/mediatek/mt8186-evb.dts |  24 ++
> >  arch/arm64/boot/dts/mediatek/mt8186.dtsi    | 352
> > ++++++++++++++++++++
> >  3 files changed, 377 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-evb.dts
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/Makefile
> > b/arch/arm64/boot/dts/mediatek/Makefile
> > index 4f68ebed2e31..2271c3452c64 100644
> > --- a/arch/arm64/boot/dts/mediatek/Makefile
> > +++ b/arch/arm64/boot/dts/mediatek/Makefile
> > @@ -31,5 +31,6 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-
> > kodama-sku32.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku0.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-pumpkin.dtb
> > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-evb.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-evb.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8186-evb.dts
> > b/arch/arm64/boot/dts/mediatek/mt8186-evb.dts
> > new file mode 100644
> > index 000000000000..eb23d1f19f87
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt8186-evb.dts
> > @@ -0,0 +1,24 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright (C) 2022 MediaTek Inc.
> > + */
> > +/dts-v1/;
> > +#include "mt8186.dtsi"
> > +
> > +/ {
> > +       model = "MediaTek MT8186 evaluation board";
> > +       compatible = "mediatek,mt8186-evb", "mediatek,mt8186";
> > +
> > +       aliases {
> > +               serial0 = &uart0;
> > +       };
> > +
> > +       chosen {
> > +               stdout-path = "serial0:921600n8";
> > +       };
> > +
> > +       memory {
> > +               device_type = "memory";
> > +               reg = <0 0x40000000 0 0x80000000>;
> > +       };
> > +};
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > new file mode 100644
> > index 000000000000..fce84c341291
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > @@ -0,0 +1,352 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright (C) 2022 MediaTek Inc.
> > + */
> > +/dts-v1/;
> > +
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +#include <dt-bindings/interrupt-controller/irq.h>
> > +#include <dt-bindings/phy/phy.h>
> > +
> > +/ {
> > +       compatible = "mediatek,mt8186";
> > +       interrupt-parent = <&gic>;
> > +       #address-cells = <2>;
> > +       #size-cells = <2>;
> > +
> > +       cpus {
> > +               #address-cells = <1>;
> > +               #size-cells = <0>;
> > +
> > +               cpu0: cpu at 000 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a55", "arm,armv8";
> > +                       reg = <0x0000>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2000000000>;
> > +                       cpu-idle-states = <&cpuoff_l &clusteroff_l
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_0>;
> > +               };
> > +
> > +               cpu1: cpu at 001 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a55", "arm,armv8";
> > +                       reg = <0x0100>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2000000000>;
> > +                       cpu-idle-states = <&cpuoff_l &clusteroff_l
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_0>;
> > +               };
> > +
> > +               cpu2: cpu at 002 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a55", "arm,armv8";
> > +                       reg = <0x0200>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2000000000>;
> > +                       cpu-idle-states = <&cpuoff_l &clusteroff_l
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_0>;
> > +               };
> > +
> > +               cpu3: cpu at 003 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a55", "arm,armv8";
> > +                       reg = <0x0300>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2000000000>;
> > +                       cpu-idle-states = <&cpuoff_l &clusteroff_l
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_0>;
> > +               };
> > +
> > +               cpu4: cpu at 100 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a55", "arm,armv8";
> > +                       reg = <0x0400>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2000000000>;
> > +                       cpu-idle-states = <&cpuoff_l &clusteroff_l
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_0>;
> > +               };
> > +
> > +               cpu5: cpu at 101 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a55", "arm,armv8";
> > +                       reg = <0x0500>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2000000000>;
> > +                       cpu-idle-states = <&cpuoff_l &clusteroff_l
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_0>;
> > +               };
> > +
> > +               cpu6: cpu at 102 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a75", "arm,armv8";
> > +                       reg = <0x0600>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2050000000>;
> > +                       cpu-idle-states = <&cpuoff_b &clusteroff_b
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_1>;
> > +               };
> > +
> > +               cpu7: cpu at 103 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a75", "arm,armv8";
> > +                       reg = <0x0700>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <2050000000>;
> > +                       cpu-idle-states = <&cpuoff_b &clusteroff_b
> > &mcusysoff>;
> > +                       next-level-cache = <&l2_1>;
> > +               };
> > +
> > +               cpu-map {
> > +                       cluster0 {
> > +                               core0 {
> > +                                       cpu = <&cpu0>;
> > +                               };
> > +
> > +                               core1 {
> > +                                       cpu = <&cpu1>;
> > +                               };
> > +
> > +                               core2 {
> > +                                       cpu = <&cpu2>;
> > +                               };
> > +
> > +                               core3 {
> > +                                       cpu = <&cpu3>;
> > +                               };
> > +
> > +                               core4 {
> > +                                       cpu = <&cpu4>;
> > +                               };
> > +
> > +                               core5 {
> > +                                       cpu = <&cpu5>;
> > +                               };
> > +
> > +                       };
> > +                       cluster1 {
> > +                               core0 {
> > +                                       cpu = <&cpu6>;
> > +                               };
> > +
> > +                               core1 {
> > +                                       cpu = <&cpu7>;
> > +                               };
> > +                       };
> > +               };
> > +
> > +               idle-states {
> > +                       entry-method = "psci";
> > +
> > +                       cpuoff_l: cpu-off-l {
> > +                               compatible = "arm,idle-state";
> > +                               arm,psci-suspend-param =
> > <0x00010001>;
> > +                               local-timer-stop;
> > +                               entry-latency-us = <50>;
> > +                               exit-latency-us = <100>;
> > +                               min-residency-us = <1600>;
> > +                       };
> > +
> > +                       cpuoff_b: cpu-off-b {
> > +                               compatible = "arm,idle-state";
> > +                               arm,psci-suspend-param =
> > <0x00010001>;
> > +                               local-timer-stop;
> > +                               entry-latency-us = <50>;
> > +                               exit-latency-us = <100>;
> > +                               min-residency-us = <1400>;
> > +                       };
> > +
> > +                       clusteroff_l: cluster-off-l {
> > +                               compatible = "arm,idle-state";
> > +                               arm,psci-suspend-param =
> > <0x01010001>;
> > +                               local-timer-stop;
> > +                               entry-latency-us = <100>;
> > +                               exit-latency-us = <250>;
> > +                               min-residency-us = <2100>;
> > +                       };
> > +
> > +                       clusteroff_b: cluster-off-b {
> > +                               compatible = "arm,idle-state";
> > +                               arm,psci-suspend-param =
> > <0x01010001>;
> > +                               local-timer-stop;
> > +                               entry-latency-us = <100>;
> > +                               exit-latency-us = <250>;
> > +                               min-residency-us = <1900>;
> > +                       };
> > +
> > +                       mcusysoff: mcusys-off {
> > +                               compatible = "arm,idle-state";
> > +                               arm,psci-suspend-param =
> > <0x01010002>;
> > +                               local-timer-stop;
> > +                               entry-latency-us = <300>;
> > +                               exit-latency-us = <1200>;
> > +                               min-residency-us = <2600>;
> > +                       };
> > +               };
> > +
> > +               l2_0: l2-cache0 {
> > +                       compatible = "cache";
> > +                       next-level-cache = <&l3_0>;
> > +               };
> > +
> > +               l2_1: l2-cache1 {
> > +                       compatible = "cache";
> > +                       next-level-cache = <&l3_0>;
> > +               };
> > +
> > +               l3_0: l3-cache {
> > +                       compatible = "cache";
> > +               };
> > +       };
> > +
> > +       clk26m: oscillator-26m {
> > +               compatible = "fixed-clock";
> > +               #clock-cells = <0>;
> > +               clock-frequency = <26000000>;
> > +       };
> > +
> > +       clk32k: oscillator-32k {
> > +               compatible = "fixed-clock";
> > +               #clock-cells = <0>;
> > +               clock-frequency = <32000>;
> > +       };
> > +
> > +       psci {
> > +               compatible      = "arm,psci-1.0";
> > +               method          = "smc";
> > +       };
> > +
> 
> please move below nodes into soc {}

Hi Hsin-Yi,

Thanks you for your feedback.

I will add soc {} in next version.

> 
> 
> > +       gic: interrupt-controller {
> > +               compatible = "arm,gic-v3";
> > +               #interrupt-cells = <3>;
> > +               #address-cells = <2>;
> > +               #size-cells = <2>;
> > +               #redistributor-regions = <1>;
> > +               interrupt-parent = <&gic>;
> > +               interrupt-controller;
> > +               reg = <0 0x0c000000 0 0x40000>, // distributor
> > +                     <0 0x0c040000 0 0x200000>; // redistributor
> > +               interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> > +       };
> > +
> > +       watchdog: watchdog at 10007000 {
> > +               compatible = "mediatek,mt8186-wdt",
> > +                               "mediatek,mt6589-wdt";
> > +               reg = <0 0x10007000 0 0x1000>;
> > +       };
> > +
> > +       sys_timer at 10017000 {
> > +               compatible = "mediatek,mt8186_timer",
> > +                            "mediatek,mt6765-timer";
> > +               reg = <0 0x10017000 0 0x1000>;
> > +               interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&clk26m>;
> > +       };
> > +
> > +       timer: timer {
> > +               compatible = "arm,armv8-timer";
> > +               interrupt-parent = <&gic>;
> > +               interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
> > +                               <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
> > +                               <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
> > +                               <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
> > +               clock-frequency = <13000000>;
> > +       };
> > +
> > +       uart0: serial at 11002000 {
> > +               compatible = "mediatek,mt8186-uart",
> > +                            "mediatek,mt6577-uart";
> > +               reg = <0 0x11002000 0 0x1000>;
> > +               interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&clk26m>, <&clk26m>;
> > +               clock-names = "baud", "bus";
> > +       };
> > +
> > +       uart1: serial at 11003000 {
> > +               compatible = "mediatek,mt8186-uart",
> > +                            "mediatek,mt6577-uart";
> > +               reg = <0 0x11003000 0 0x1000>;
> > +               interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&clk26m>, <&clk26m>;
> > +               clock-names = "baud", "bus";
> > +               status = "disabled";
> > +       };
> > +
> > +       uart2: serial at 11018000 {
> > +               compatible = "mediatek,mt8186-uart",
> > +                            "mediatek,mt6577-uart";
> > +               reg = <0 0x11018000 0 0x1000>;
> > +               interrupts = <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&clk26m>, <&clk26m>;
> > +               clock-names = "baud", "bus";
> > +               status = "disabled";
> > +       };
> > +
> > +       mmc0: mmc at 11230000 {
> > +               compatible = "mediatek,mt8186-mmc",
> > "mediatek,mt8183-mmc";
> > +               reg = <0 0x11230000 0 0x1000>,
> > +                     <0 0x11cd0000 0 0x1000>;
> > +               interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&clk26m>,
> > +                        <&clk26m>,
> > +                        <&clk26m>,
> > +                        <&clk26m>;
> > +               clock-names = "source", "hclk", "source_cg",
> > +                             "ahb_clk";
> > +               status = "disabled";
> > +       };
> > +
> > +       mmc1: mmc at 11240000 {
> > +               compatible = "mediatek,mt8186-mmc",
> > "mediatek,mt8183-mmc";
> > +               reg = <0 0x11240000 0 0x1000>,
> > +                     <0 0x11c90000 0 0x1000>;
> > +               interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&clk26m>,
> > +                        <&clk26m>,
> > +                        <&clk26m>;
> > +               clock-names = "source", "hclk", "source_cg";
> > +               status = "disabled";
> > +       };
> > +
> > +       u3phy1: usb-phy1 at 11c80000 {
> > +               compatible = "mediatek,mt8186-tphy",
> > "mediatek,generic-tphy-v2";
> > +               #address-cells = <2>;
> > +               #size-cells = <2>;
> > +               ranges;
> > +               status = "okay";
> > +
> > +               u2port1: usb2-phy1 at 11c80000 {
> > +                       reg = <0 0x11c80000 0 0x700>;
> > +                       clocks = <&clk26m>;
> > +                       clock-names = "ref";
> > +                       #phy-cells = <1>;
> > +                       status = "okay";
> > +               };
> > +
> > +               u3port1: usb3-phy1 at 11c80900 {
> > +                       reg = <0 0x11c80900 0 0x700>;
> > +                       clocks = <&clk26m>;
> > +                       clock-names = "ref";
> > +                       #phy-cells = <1>;
> > +                       status = "okay";
> > +               };
> > +       };
> > +
> > +       u3phy0: usb-phy at 11ca0000 {
> > +               compatible = "mediatek,mt8186-tphy",
> > "mediatek,generic-tphy-v2";
> > +               #address-cells = <2>;
> > +               #size-cells = <2>;
> > +               ranges;
> > +               status = "okay";
> > +
> > +               u2port0: usb2-phy at 11ca0000 {
> > +                       reg = <0 0x11ca0000 0 0x700>;
> > +                       clocks = <&clk26m>;
> > +                       clock-names = "ref";
> > +                       #phy-cells = <1>;
> > +                       mediatek,discth = <0x8>;
> > +                       status = "okay";
> > +               };
> > +       };
> > +};
> > --
> > 2.18.0
> > 




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