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Subject: Re: [PATCH v8 2/2] arm64: dts: Add Mediatek SoC MT8183 and evaluation
 board dts and Makefile
To:     Erin Lo <erin.lo@mediatek.com>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Stephen Boyd <sboyd@codeaurora.org>
Cc:     devicetree@vger.kernel.org,
        srv_heupstream <srv_heupstream@mediatek.com>,
        linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
        linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, yingjoe.chen@mediatek.com,
        mars.cheng@mediatek.com, eddie.huang@mediatek.com,
        linux-clk@vger.kernel.org, zhiyong.tao@mediatek.com,
        Mengqi.Zhang@mediatek.com, Ben Ho <Ben.Ho@mediatek.com>,
        Seiya Wang <seiya.wang@mediatek.com>,
        Weiyi Lu <weiyi.lu@mediatek.com>,
        Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
References: <1552294472-32929-1-git-send-email-erin.lo@mediatek.com>
 <1552294472-32929-3-git-send-email-erin.lo@mediatek.com>
From:   Matthias Brugger <matthias.bgg@gmail.com>
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Date:   Tue, 12 Mar 2019 13:22:06 +0100
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On 11/03/2019 09:54, Erin Lo wrote:
> From: Ben Ho <Ben.Ho@mediatek.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@mediatek.com>
> Signed-off-by: Erin Lo <erin.lo@mediatek.com>
> Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
> Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
> Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com>
> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
> Signed-off-by: Eddie Huang <eddie.huang@mediatek.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@mediatek.com>
> + *	   Erin Lo <erin.lo@mediatek.com>
> + */
> +
> +/dts-v1/;
> +#include "mt8183.dtsi"
> +
> +/ {
> +	model = "MediaTek MT8183 evaluation board";
> +	compatible = "mediatek,mt8183-evb", "mediatek,mt8183";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	memory@40000000 {
> +		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@mediatek.com>
> + *	   Erin Lo <erin.lo@mediatek.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@c000000 {
> +			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@c530000 {
> +			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

> +			reg = <0 0x0c530000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		sysirq: interrupt-controller@c530a80 {
> +			compatible = "mediatek,mt8183-sysirq",
> +				     "mediatek,mt6577-sysirq";
> +			interrupt-controller;
> +			#interrupt-cells = <3>;
> +			interrupt-parent = <&gic>;
> +			reg = <0 0x0c530a80 0 0x50>;
> +		};
> +
> +		topckgen: syscon@10000000 {
> +			compatible = "mediatek,mt8183-topckgen", "syscon";
> +			reg = <0 0x10000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		infracfg: syscon@10001000 {
> +			compatible = "mediatek,mt8183-infracfg", "syscon";
> +			reg = <0 0x10001000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		pio: pinctrl@10005000 {
> +			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>;
> +		};
> +
> +		apmixedsys: syscon@1000c000 {
> +			compatible = "mediatek,mt8183-apmixedsys", "syscon";
> +			reg = <0 0x1000c000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		pwrap: pwrap@1000d000 {
> +			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@11002000 {
> +			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@11003000 {
> +			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@11004000 {
> +			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@11220000 {
> +			compatible = "mediatek,mt8183-audiosys", "syscon";
> +			reg = <0 0x11220000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		mfgcfg: syscon@13000000 {
> +			compatible = "mediatek,mt8183-mfgcfg", "syscon";
> +			reg = <0 0x13000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		mmsys: syscon@14000000 {
> +			compatible = "mediatek,mt8183-mmsys", "syscon";
> +			reg = <0 0x14000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		imgsys: syscon@15020000 {
> +			compatible = "mediatek,mt8183-imgsys", "syscon";
> +			reg = <0 0x15020000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		vdecsys: syscon@16000000 {
> +			compatible = "mediatek,mt8183-vdecsys", "syscon";
> +			reg = <0 0x16000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		vencsys: syscon@17000000 {
> +			compatible = "mediatek,mt8183-vencsys", "syscon";
> +			reg = <0 0x17000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		ipu_conn: syscon@19000000 {
> +			compatible = "mediatek,mt8183-ipu_conn", "syscon";
> +			reg = <0 0x19000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		ipu_adl: syscon@19010000 {
> +			compatible = "mediatek,mt8183-ipu_adl", "syscon";
> +			reg = <0 0x19010000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		ipu_core0: syscon@19180000 {
> +			compatible = "mediatek,mt8183-ipu_core0", "syscon";
> +			reg = <0 0x19180000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		ipu_core1: syscon@19280000 {
> +			compatible = "mediatek,mt8183-ipu_core1", "syscon";
> +			reg = <0 0x19280000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		camsys: syscon@1a000000 {
> +			compatible = "mediatek,mt8183-camsys", "syscon";
> +			reg = <0 0x1a000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +	};
> +};
>