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Date: Wed, 13 Mar 2019 16:26:51 +0800
From: Erin Lo <erin.lo@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>
CC: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <marc.zyngier@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Stephen Boyd <sboyd@...eaurora.org>,
<devicetree@...r.kernel.org>,
srv_heupstream <srv_heupstream@...iatek.com>,
<linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>,
<yingjoe.chen@...iatek.com>, <mars.cheng@...iatek.com>,
<eddie.huang@...iatek.com>, <linux-clk@...r.kernel.org>,
<zhiyong.tao@...iatek.com>, <Mengqi.Zhang@...iatek.com>,
Ben Ho <Ben.Ho@...iatek.com>,
Seiya Wang <seiya.wang@...iatek.com>,
Weiyi Lu <weiyi.lu@...iatek.com>,
Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
Subject: Re: [PATCH v8 2/2] arm64: dts: Add Mediatek SoC MT8183 and
evaluation board dts and Makefile
On Tue, 2019-03-12 at 13:22 +0100, Matthias Brugger wrote:
>
> On 11/03/2019 09:54, Erin Lo wrote:
> > From: Ben Ho <Ben.Ho@...iatek.com>
> >
> > Add basic chip support for Mediatek 8183, include
> > uart node with correct uart clocks, pwrap device
> >
> > Add clock controller nodes, include topckgen, infracfg,
> > apmixedsys and subsystem.
> >
> > Signed-off-by: Ben Ho <Ben.Ho@...iatek.com>
> > Signed-off-by: Erin Lo <erin.lo@...iatek.com>
> > Signed-off-by: Seiya Wang <seiya.wang@...iatek.com>
> > Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
> > Signed-off-by: Zhiyong Tao <zhiyong.tao@...iatek.com>
> > Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
> > Signed-off-by: Eddie Huang <eddie.huang@...iatek.com>
> > ---
> > arch/arm64/boot/dts/mediatek/Makefile | 1 +
> > arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 31 +++
> > arch/arm64/boot/dts/mediatek/mt8183.dtsi | 335 ++++++++++++++++++++++++++++
> > 3 files changed, 367 insertions(+)
> > create mode 100644 arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> > create mode 100644 arch/arm64/boot/dts/mediatek/mt8183.dtsi
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> > index e8f952f..458bbc4 100644
> > --- a/arch/arm64/boot/dts/mediatek/Makefile
> > +++ b/arch/arm64/boot/dts/mediatek/Makefile
> > @@ -7,3 +7,4 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
> > dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb
> > dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-bananapi-bpi-r64.dtb
> > dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
> > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-evb.dtb
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> > new file mode 100644
> > index 0000000..9b52559
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> > @@ -0,0 +1,31 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright (c) 2018 MediaTek Inc.
> > + * Author: Ben Ho <ben.ho@...iatek.com>
> > + * Erin Lo <erin.lo@...iatek.com>
> > + */
> > +
> > +/dts-v1/;
> > +#include "mt8183.dtsi"
> > +
> > +/ {
> > + model = "MediaTek MT8183 evaluation board";
> > + compatible = "mediatek,mt8183-evb", "mediatek,mt8183";
> > +
> > + aliases {
> > + serial0 = &uart0;
> > + };
> > +
> > + memory@...00000 {
> > + device_type = "memory";
> > + reg = <0 0x40000000 0 0x80000000>;
> > + };
> > +
> > + chosen {
> > + stdout-path = "serial0:921600n8";
> > + };
> > +};
> > +
> > +&uart0 {
> > + status = "okay";
> > +};
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > new file mode 100644
> > index 0000000..64f8bd6
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > @@ -0,0 +1,335 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright (c) 2018 MediaTek Inc.
> > + * Author: Ben Ho <ben.ho@...iatek.com>
> > + * Erin Lo <erin.lo@...iatek.com>
> > + */
> > +
> > +#include <dt-bindings/clock/mt8183-clk.h>
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +#include <dt-bindings/interrupt-controller/irq.h>
> > +
> > +/ {
> > + compatible = "mediatek,mt8183";
> > + interrupt-parent = <&sysirq>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > +
> > + cpus {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + cpu-map {
> > + cluster0 {
> > + core0 {
> > + cpu = <&cpu0>;
> > + };
> > + core1 {
> > + cpu = <&cpu1>;
> > + };
> > + core2 {
> > + cpu = <&cpu2>;
> > + };
> > + core3 {
> > + cpu = <&cpu3>;
> > + };
> > + };
> > +
> > + cluster1 {
> > + core0 {
> > + cpu = <&cpu4>;
> > + };
> > + core1 {
> > + cpu = <&cpu5>;
> > + };
> > + core2 {
> > + cpu = <&cpu6>;
> > + };
> > + core3 {
> > + cpu = <&cpu7>;
> > + };
> > + };
> > + };
> > +
> > + cpu0: cpu@0 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a53";
> > + reg = <0x000>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu1: cpu@1 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a53";
> > + reg = <0x001>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu2: cpu@2 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a53";
> > + reg = <0x002>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu3: cpu@3 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a53";
> > + reg = <0x003>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu4: cpu@100 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a73";
> > + reg = <0x100>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu5: cpu@101 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a73";
> > + reg = <0x101>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu6: cpu@102 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a73";
> > + reg = <0x102>;
> > + enable-method = "psci";
> > + };
> > +
> > + cpu7: cpu@103 {
> > + device_type = "cpu";
> > + compatible = "arm,cortex-a73";
> > + reg = <0x103>;
> > + enable-method = "psci";
> > + };
> > + };
> > +
> > + pmu-a53 {
> > + compatible = "arm,cortex-a53-pmu";
> > + interrupt-parent = <&gic>;
> > + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW &ppi_cluster0>;
> > + };
> > +
> > + pmu-a73 {
> > + compatible = "arm,cortex-a73-pmu";
> > + interrupt-parent = <&gic>;
> > + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW &ppi_cluster1>;
> > + };
> > +
> > + psci {
> > + compatible = "arm,psci-1.0";
> > + method = "smc";
> > + };
> > +
> > + clk26m: oscillator {
> > + compatible = "fixed-clock";
> > + #clock-cells = <0>;
> > + clock-frequency = <26000000>;
> > + clock-output-names = "clk26m";
> > + };
> > +
> > + timer {
> > + compatible = "arm,armv8-timer";
> > + interrupt-parent = <&gic>;
> > + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW 0>,
> > + <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
> > + <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
> > + <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
> > + };
> > +
> > + soc {
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + compatible = "simple-bus";
> > + ranges;
> > +
> > + gic: interrupt-controller@...0000 {
> > + compatible = "arm,gic-v3";
> > + #interrupt-cells = <4>;
> > + interrupt-parent = <&gic>;
> > + interrupt-controller;
> > + reg = <0 0x0c000000 0 0x40000>, /* GICD */
> > + <0 0x0c100000 0 0x200000>, /* GICR */
> > + <0 0x0c400000 0 0x2000>, /* GICC */
> > + <0 0x0c410000 0 0x1000>, /* GICH */
> > + <0 0x0c420000 0 0x2000>; /* GICV */
> > +
> > + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
> > + ppi-partitions {
> > + ppi_cluster0: interrupt-partition-0 {
> > + affinity = <&cpu0 &cpu1 &cpu2 &cpu3>;
> > + };
> > + ppi_cluster1: interrupt-partition-1 {
> > + affinity = <&cpu4 &cpu5 &cpu6 &cpu7>;
> > + };
> > + };
> > + };
> > +
> > + mcucfg: syscon@...0000 {
> > + compatible = "mediatek,mt8183-mcucfg", "syscon";
>
> Binding is not documented. I found some other bindings not documented as well.
> Please update the binding documentation to add this compatible, otherwise I
> won't be able to take this patch.
>
> Regards,
> Matthias
>
The binding is
http://lists.infradead.org/pipermail/linux-mediatek/2018-December/016249.html
which is included in below series as cover letter mentioned.
http://lists.infradead.org/pipermail/linux-mediatek/2018-December/016243.html
Do you have any idea about how we arrange it in next version?
> > + reg = <0 0x0c530000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + sysirq: interrupt-controller@...0a80 {
> > + compatible = "mediatek,mt8183-sysirq",
> > + "mediatek,mt6577-sysirq";
> > + interrupt-controller;
> > + #interrupt-cells = <3>;
> > + interrupt-parent = <&gic>;
> > + reg = <0 0x0c530a80 0 0x50>;
> > + };
> > +
> > + topckgen: syscon@...00000 {
> > + compatible = "mediatek,mt8183-topckgen", "syscon";
> > + reg = <0 0x10000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + infracfg: syscon@...01000 {
> > + compatible = "mediatek,mt8183-infracfg", "syscon";
> > + reg = <0 0x10001000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + pio: pinctrl@...05000 {
> > + compatible = "mediatek,mt8183-pinctrl";
> > + reg = <0 0x10005000 0 0x1000>,
> > + <0 0x11f20000 0 0x1000>,
> > + <0 0x11e80000 0 0x1000>,
> > + <0 0x11e70000 0 0x1000>,
> > + <0 0x11e90000 0 0x1000>,
> > + <0 0x11d30000 0 0x1000>,
> > + <0 0x11d20000 0 0x1000>,
> > + <0 0x11c50000 0 0x1000>,
> > + <0 0x11f30000 0 0x1000>,
> > + <0 0x1000b000 0 0x1000>;
> > + reg-names = "iocfg0", "iocfg1", "iocfg2",
> > + "iocfg3", "iocfg4", "iocfg5",
> > + "iocfg6", "iocfg7", "iocfg8",
> > + "eint";
> > + gpio-controller;
> > + #gpio-cells = <2>;
> > + gpio-ranges = <&pio 0 0 192>;
> > + interrupt-controller;
> > + interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
> > + #interrupt-cells = <3>;
> > + };
I will remove it in next version since the binding is not ready.
Best Regards,
Erin.
> > +
> > + apmixedsys: syscon@...0c000 {
> > + compatible = "mediatek,mt8183-apmixedsys", "syscon";
> > + reg = <0 0x1000c000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + pwrap: pwrap@...0d000 {
> > + compatible = "mediatek,mt8183-pwrap";
> > + reg = <0 0x1000d000 0 0x1000>;
> > + reg-names = "pwrap";
> > + interrupts = <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&topckgen CLK_TOP_MUX_PMICSPI>,
> > + <&infracfg CLK_INFRA_PMIC_AP>;
> > + clock-names = "spi", "wrap";
> > + };
> > +
> > + uart0: serial@...02000 {
> > + compatible = "mediatek,mt8183-uart",
> > + "mediatek,mt6577-uart";
> > + reg = <0 0x11002000 0 0x1000>;
> > + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&clk26m>, <&infracfg CLK_INFRA_UART0>;
> > + clock-names = "baud", "bus";
> > + status = "disabled";
> > + };
> > +
> > + uart1: serial@...03000 {
> > + compatible = "mediatek,mt8183-uart",
> > + "mediatek,mt6577-uart";
> > + reg = <0 0x11003000 0 0x1000>;
> > + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&clk26m>, <&infracfg CLK_INFRA_UART1>;
> > + clock-names = "baud", "bus";
> > + status = "disabled";
> > + };
> > +
> > + uart2: serial@...04000 {
> > + compatible = "mediatek,mt8183-uart",
> > + "mediatek,mt6577-uart";
> > + reg = <0 0x11004000 0 0x1000>;
> > + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&clk26m>, <&infracfg CLK_INFRA_UART2>;
> > + clock-names = "baud", "bus";
> > + status = "disabled";
> > + };
> > +
> > + audiosys: syscon@...20000 {
> > + compatible = "mediatek,mt8183-audiosys", "syscon";
> > + reg = <0 0x11220000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + mfgcfg: syscon@...00000 {
> > + compatible = "mediatek,mt8183-mfgcfg", "syscon";
> > + reg = <0 0x13000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + mmsys: syscon@...00000 {
> > + compatible = "mediatek,mt8183-mmsys", "syscon";
> > + reg = <0 0x14000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + imgsys: syscon@...20000 {
> > + compatible = "mediatek,mt8183-imgsys", "syscon";
> > + reg = <0 0x15020000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + vdecsys: syscon@...00000 {
> > + compatible = "mediatek,mt8183-vdecsys", "syscon";
> > + reg = <0 0x16000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + vencsys: syscon@...00000 {
> > + compatible = "mediatek,mt8183-vencsys", "syscon";
> > + reg = <0 0x17000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + ipu_conn: syscon@...00000 {
> > + compatible = "mediatek,mt8183-ipu_conn", "syscon";
> > + reg = <0 0x19000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + ipu_adl: syscon@...10000 {
> > + compatible = "mediatek,mt8183-ipu_adl", "syscon";
> > + reg = <0 0x19010000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + ipu_core0: syscon@...80000 {
> > + compatible = "mediatek,mt8183-ipu_core0", "syscon";
> > + reg = <0 0x19180000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + ipu_core1: syscon@...80000 {
> > + compatible = "mediatek,mt8183-ipu_core1", "syscon";
> > + reg = <0 0x19280000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > +
> > + camsys: syscon@...00000 {
> > + compatible = "mediatek,mt8183-camsys", "syscon";
> > + reg = <0 0x1a000000 0 0x1000>;
> > + #clock-cells = <1>;
> > + };
> > + };
> > +};
> >
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