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Message-ID: <847f64e2-8ed6-2e09-5343-2aa70d5937fa@gmail.com>
Date: Fri, 9 Oct 2020 14:30:35 +0200
From: Matthias Brugger <matthias.bgg@...il.com>
To: Hanks Chen <hanks.chen@...iatek.com>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>
Cc: mtk01761 <wendell.lin@...iatek.com>,
YueHaibing <yuehaibing@...wei.com>,
Andy Teng <andy.teng@...iatek.com>, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org, CC Hwang <cc.hwang@...iatek.com>,
Loda Chou <loda.chou@...iatek.com>
Subject: Re: [PATCH v10 2/3] arm64: dts: add dts nodes for MT6779
On 30/07/2020 15:30, Hanks Chen wrote:
> this adds initial MT6779 dts settings for board support,
> including cpu, gic, timer, ccf, pinctrl, uart, sysirq...etc.
>
> Signed-off-by: Hanks Chen <hanks.chen@...iatek.com>
> ---
> arch/arm64/boot/dts/mediatek/Makefile | 1 +
> arch/arm64/boot/dts/mediatek/mt6779-evb.dts | 31 +++
> arch/arm64/boot/dts/mediatek/mt6779.dtsi | 271 ++++++++++++++++++++
> 3 files changed, 303 insertions(+)
> create mode 100644 arch/arm64/boot/dts/mediatek/mt6779-evb.dts
> create mode 100644 arch/arm64/boot/dts/mediatek/mt6779.dtsi
>
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index a57af9da9f5c..4d1b0f9d8d1c 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -1,6 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt6779-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/mt6779-evb.dts b/arch/arm64/boot/dts/mediatek/mt6779-evb.dts
> new file mode 100644
> index 000000000000..164f5cbb3821
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt6779-evb.dts
> @@ -0,0 +1,31 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (c) 2019 MediaTek Inc.
> + * Author: Mars.C <mars.cheng@...iatek.com>
> + *
> + */
> +
> +/dts-v1/;
> +#include "mt6779.dtsi"
> +
> +/ {
> + model = "MediaTek MT6779 EVB";
> + compatible = "mediatek,mt6779-evb", "mediatek,mt6779";
> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0 0x40000000 0 0x1e800000>;
> + };
> +
> + chosen {
> + stdout-path = "serial0:921600n8";
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/mediatek/mt6779.dtsi b/arch/arm64/boot/dts/mediatek/mt6779.dtsi
> new file mode 100644
> index 000000000000..370f309d32de
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt6779.dtsi
> @@ -0,0 +1,271 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (c) 2019 MediaTek Inc.
> + * Author: Mars.C <mars.cheng@...iatek.com>
> + *
> + */
> +
> +#include <dt-bindings/clock/mt6779-clk.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/pinctrl/mt6779-pinfunc.h>
> +
> +/ {
> + compatible = "mediatek,mt6779";
> + interrupt-parent = <&sysirq>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + psci {
> + compatible = "arm,psci-0.2";
> + method = "smc";
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a55";
> + enable-method = "psci";
> + reg = <0x000>;
> + };
> +
> + cpu1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a55";
> + enable-method = "psci";
> + reg = <0x100>;
> + };
> +
> + cpu2: cpu@2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a55";
> + enable-method = "psci";
> + reg = <0x200>;
> + };
> +
> + cpu3: cpu@3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a55";
> + enable-method = "psci";
> + reg = <0x300>;
> + };
> +
> + cpu4: cpu@4 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a55";
> + enable-method = "psci";
> + reg = <0x400>;
> + };
> +
> + cpu5: cpu@5 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a55";
> + enable-method = "psci";
> + reg = <0x500>;
> + };
> +
> + cpu6: cpu@6 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75";
> + enable-method = "psci";
> + reg = <0x600>;
> + };
> +
> + cpu7: cpu@7 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75";
> + enable-method = "psci";
> + reg = <0x700>;
> + };
> + };
> +
> + pmu {
> + compatible = "arm,armv8-pmuv3";
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW 0>;
> + };
> +
> + clk26m: oscillator@0 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <26000000>;
> + clock-output-names = "clk26m";
> + };
> +
> + clk32k: oscillator@1 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <32768>;
> + clock-output-names = "clk32k";
> + };
> +
> + 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@...00000 {
> + compatible = "arm,gic-v3";
> + #interrupt-cells = <4>;
> + interrupt-parent = <&gic>;
> + interrupt-controller;
> + reg = <0 0x0c000000 0 0x40000>, /* GICD */
> + <0 0x0c040000 0 0x200000>; /* GICR */
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
> +
> + ppi-partitions {
> + ppi_cluster0: interrupt-partition-0 {
> + affinity = <&cpu0 &cpu1 \
> + &cpu2 &cpu3 &cpu4 &cpu5>;
> + };
> + ppi_cluster1: interrupt-partition-1 {
> + affinity = <&cpu6 &cpu7>;
> + };
> + };
> +
> + };
> +
> + sysirq: intpol-controller@...3a650 {
> + compatible = "mediatek,mt6779-sysirq",
> + "mediatek,mt6577-sysirq";
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + interrupt-parent = <&gic>;
> + reg = <0 0x0c53a650 0 0x50>;
This looks a bit suspicious to me. Unfortunately I'm not able to find any
reference in the datasheets.
Anyway, patch now applied to v5.10-tmp/dts64
Thanks!
Matthias
> + };
> +
> + topckgen: clock-controller@...00000 {
> + compatible = "mediatek,mt6779-topckgen", "syscon";
> + reg = <0 0x10000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + infracfg_ao: clock-controller@...01000 {
> + compatible = "mediatek,mt6779-infracfg_ao", "syscon";
> + reg = <0 0x10001000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + pio: pinctrl@...05000 {
> + compatible = "mediatek,mt6779-pinctrl", "syscon";
> + reg = <0 0x10005000 0 0x1000>,
> + <0 0x11c20000 0 0x1000>,
> + <0 0x11d10000 0 0x1000>,
> + <0 0x11e20000 0 0x1000>,
> + <0 0x11e70000 0 0x1000>,
> + <0 0x11ea0000 0 0x1000>,
> + <0 0x11f20000 0 0x1000>,
> + <0 0x11f30000 0 0x1000>,
> + <0 0x1000b000 0 0x1000>;
> + reg-names = "gpio", "iocfg_rm",
> + "iocfg_br", "iocfg_lm",
> + "iocfg_lb", "iocfg_rt",
> + "iocfg_lt", "iocfg_tl",
> + "eint";
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&pio 0 0 210>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + apmixed: clock-controller@...0c000 {
> + compatible = "mediatek,mt6779-apmixed", "syscon";
> + reg = <0 0x1000c000 0 0xe00>;
> + #clock-cells = <1>;
> + };
> +
> + uart0: serial@...02000 {
> + compatible = "mediatek,mt6779-uart",
> + "mediatek,mt6577-uart";
> + reg = <0 0x11002000 0 0x400>;
> + interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART0>;
> + clock-names = "baud", "bus";
> + status = "disabled";
> + };
> +
> + uart1: serial@...03000 {
> + compatible = "mediatek,mt6779-uart",
> + "mediatek,mt6577-uart";
> + reg = <0 0x11003000 0 0x400>;
> + interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART1>;
> + clock-names = "baud", "bus";
> + status = "disabled";
> + };
> +
> + uart2: serial@...04000 {
> + compatible = "mediatek,mt6779-uart",
> + "mediatek,mt6577-uart";
> + reg = <0 0x11004000 0 0x400>;
> + interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART2>;
> + clock-names = "baud", "bus";
> + status = "disabled";
> + };
> +
> + audio: clock-controller@...10000 {
> + compatible = "mediatek,mt6779-audio", "syscon";
> + reg = <0 0x11210000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + mfgcfg: clock-controller@...bf000 {
> + compatible = "mediatek,mt6779-mfgcfg", "syscon";
> + reg = <0 0x13fbf000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + mmsys: syscon@...00000 {
> + compatible = "mediatek,mt6779-mmsys", "syscon";
> + reg = <0 0x14000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + imgsys: clock-controller@...20000 {
> + compatible = "mediatek,mt6779-imgsys", "syscon";
> + reg = <0 0x15020000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + vdecsys: clock-controller@...00000 {
> + compatible = "mediatek,mt6779-vdecsys", "syscon";
> + reg = <0 0x16000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + vencsys: clock-controller@...00000 {
> + compatible = "mediatek,mt6779-vencsys", "syscon";
> + reg = <0 0x17000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + camsys: clock-controller@...00000 {
> + compatible = "mediatek,mt6779-camsys", "syscon";
> + reg = <0 0x1a000000 0 0x10000>;
> + #clock-cells = <1>;
> + };
> +
> + ipesys: clock-controller@...00000 {
> + compatible = "mediatek,mt6779-ipesys", "syscon";
> + reg = <0 0x1b000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + };
> +};
>
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