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Date:   Mon, 27 Mar 2023 16:24:03 +0530
From:   Manivannan Sadhasivam <mani@kernel.org>
To:     Rohit Agarwal <quic_rohiagar@quicinc.com>
Cc:     agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org,
        lee@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, lpieralisi@kernel.org,
        kw@linux.com, bhelgaas@google.com,
        manivannan.sadhasivam@linaro.org, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pci@vger.kernel.org
Subject: Re: [PATCH v4 3/5] ARM: dts: qcom: sdx65: Add support for PCIe EP
Message-ID: <20230327105403.GF16424@thinkpad>
References: <1679036039-27157-1-git-send-email-quic_rohiagar@quicinc.com>
 <1679036039-27157-4-git-send-email-quic_rohiagar@quicinc.com>
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On Fri, Mar 17, 2023 at 12:23:57PM +0530, Rohit Agarwal wrote:
> Add support for PCIe Endpoint controller on the
> Qualcomm SDX65 platform.
> 
> Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Thanks,
Mani

> ---
>  arch/arm/boot/dts/qcom-sdx65.dtsi | 56 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
> index 084daf8..a7d8ad9 100644
> --- a/arch/arm/boot/dts/qcom-sdx65.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
> @@ -11,6 +11,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/power/qcom-rpmpd.h>
>  #include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/gpio/gpio.h>
>  
>  / {
>  	#address-cells = <1>;
> @@ -293,6 +294,56 @@
>  			status = "disabled";
>  		};
>  
> +		pcie_ep: pcie-ep@1c00000 {
> +			compatible = "qcom,sdx65-pcie-ep", "qcom,sdx55-pcie-ep";
> +			reg = <0x01c00000 0x3000>,
> +			      <0x40000000 0xf1d>,
> +			      <0x40000f20 0xa8>,
> +			      <0x40001000 0x1000>,
> +			      <0x40200000 0x100000>,
> +			      <0x01c03000 0x3000>;
> +			reg-names = "parf",
> +				    "dbi",
> +				    "elbi",
> +				    "atu",
> +				    "addr_space",
> +				    "mmio";
> +
> +			qcom,perst-regs = <&tcsr 0xb258 0xb270>;
> +
> +			clocks = <&gcc GCC_PCIE_AUX_CLK>,
> +				 <&gcc GCC_PCIE_CFG_AHB_CLK>,
> +				 <&gcc GCC_PCIE_MSTR_AXI_CLK>,
> +				 <&gcc GCC_PCIE_SLV_AXI_CLK>,
> +				 <&gcc GCC_PCIE_SLV_Q2A_AXI_CLK>,
> +				 <&gcc GCC_PCIE_SLEEP_CLK>,
> +				 <&gcc GCC_PCIE_0_CLKREF_EN>;
> +			clock-names = "aux",
> +				      "cfg",
> +				      "bus_master",
> +				      "bus_slave",
> +				      "slave_q2a",
> +				      "sleep",
> +				      "ref";
> +
> +			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "global", "doorbell";
> +
> +			resets = <&gcc GCC_PCIE_BCR>;
> +			reset-names = "core";
> +
> +			power-domains = <&gcc PCIE_GDSC>;
> +
> +			phys = <&pcie_phy>;
> +			phy-names = "pcie-phy";
> +
> +			max-link-speed = <3>;
> +			num-lanes = <2>;
> +
> +			status = "disabled";
> +		};
> +
>  		pcie_phy: phy@1c06000 {
>  			compatible = "qcom,sdx65-qmp-gen4x2-pcie-phy";
>  			reg = <0x01c06000 0x2000>;
> @@ -330,6 +381,11 @@
>  			#hwlock-cells = <1>;
>  		};
>  
> +		tcsr: syscon@1fcb000 {
> +			compatible = "qcom,sdx65-tcsr", "syscon";
> +			reg = <0x01fc0000 0x1000>;
> +		};
> +
>  		remoteproc_mpss: remoteproc@4080000 {
>  			compatible = "qcom,sdx55-mpss-pas";
>  			reg = <0x04080000 0x4040>;
> -- 
> 2.7.4
> 

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