linux-kernel - Re: [PATCH v4 09/22] arm64: dts: mt8192: Add PCIe node

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Message-ID: <20220322221814.pwrqtvzlvrmwvloo@notapiano>
Date:   Tue, 22 Mar 2022 18:18:14 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Chen-Yu Tsai <wenst@...omium.org>,
        Ryder Lee <ryder.lee@...nel.org>,
        Hui Liu <hui.liu@...iatek.com>
Subject: Re: [PATCH v4 09/22] arm64: dts: mt8192: Add PCIe node

On Fri, Mar 18, 2022 at 10:45:21PM +0800, Allen-KH Cheng wrote:
> Add PCIe node for mt8192 SoC.
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

> ---
>  arch/arm64/boot/dts/mediatek/mt8192.dtsi | 38 ++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> index 82de1af3f6aa..3a7f93d8eeaa 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> @@ -884,6 +884,44 @@
>  			};
>  		};
>  
> +		pcie: pcie@...30000 {
> +			compatible = "mediatek,mt8192-pcie";
> +			device_type = "pci";
> +			reg = <0 0x11230000 0 0x2000>;
> +			reg-names = "pcie-mac";
> +			#address-cells = <3>;
> +			#size-cells = <2>;
> +			clocks = <&infracfg CLK_INFRA_PCIE_TL_26M>,
> +				 <&infracfg CLK_INFRA_PCIE_TL_96M>,
> +				 <&infracfg CLK_INFRA_PCIE_TL_32K>,
> +				 <&infracfg CLK_INFRA_PCIE_PERI_26M>,
> +				 <&infracfg CLK_INFRA_PCIE_TOP_H_133M>,
> +				 <&infracfg CLK_INFRA_PCIE_PL_P_250M>;
> +			clock-names = "sys_ck0", "ahb_ck0", "aux_ck0",
> +				      "obff_ck0", "axi_ck0", "pipe_ck0";
> +			assigned-clocks = <&topckgen CLK_TOP_TL_SEL>;
> +			assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D6_D4>;
> +			resets = <&infracfg_rst 2>,
> +				 <&infracfg_rst 3>;
> +			reset-names = "phy", "mac";
> +			interrupts = <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH 0>;
> +			bus-range = <0x00 0xff>;
> +			ranges = <0x82000000 0 0x12000000 0x0 0x12000000 0 0x0800000>,
> +				 <0x81000000 0 0x12800000 0x0 0x12800000 0 0x0800000>;
> +			#interrupt-cells = <1>;
> +			interrupt-map-mask = <0 0 0 7>;
> +			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
> +					<0 0 0 2 &pcie_intc0 1>,
> +					<0 0 0 3 &pcie_intc0 2>,
> +					<0 0 0 4 &pcie_intc0 3>;
> +
> +			pcie_intc0: interrupt-controller {
> +				interrupt-controller;
> +				#address-cells = <0>;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
>  		nor_flash: spi@...34000 {
>  			compatible = "mediatek,mt8192-nor";
>  			reg = <0 0x11234000 0 0xe0>;
> -- 
> 2.18.0
> 
>