linux-kernel - Re: [PATCH 05/11] ARM: dts: qcom: sdx55: Fix the unit address of PCIe EP node

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Date:   Wed, 22 Feb 2023 17:02:08 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        andersson@...nel.org, lpieralisi@...nel.org, robh@...nel.org,
        kw@...ux.com, krzysztof.kozlowski+dt@...aro.org, vkoul@...nel.org
Cc:     bhelgaas@...gle.com, kishon@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 05/11] ARM: dts: qcom: sdx55: Fix the unit address of PCIe
 EP node



On 22.02.2023 16:32, Manivannan Sadhasivam wrote:
> Unit address of PCIe EP node should be 0x1c00000 as it has to match the
> first address specified in the reg property.
> 
> This also requires sorting the node in the ascending order.
> 
> Fixes: 31c9ef002580 ("dt-bindings: PCI: Add Qualcomm PCIe Endpoint controller")
Unsure, we aren't fixing the bindings..


> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
For the dt change:

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  arch/arm/boot/dts/qcom-sdx55.dtsi | 78 +++++++++++++++----------------
>  1 file changed, 39 insertions(+), 39 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
> index 93d71aff3fab..e84ca795cae6 100644
> --- a/arch/arm/boot/dts/qcom-sdx55.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
> @@ -303,6 +303,45 @@ qpic_nand: nand-controller@...0000 {
>  			status = "disabled";
>  		};
>  
> +		pcie_ep: pcie-ep@...0000 {
> +			compatible = "qcom,sdx55-pcie-ep";
> +			reg = <0x01c00000 0x3000>,
> +			      <0x40000000 0xf1d>,
> +			      <0x40000f20 0xc8>,
> +			      <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_CLK>;
> +			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";
> +			reset-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
> +			wake-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
> +			resets = <&gcc GCC_PCIE_BCR>;
> +			reset-names = "core";
> +			power-domains = <&gcc PCIE_GDSC>;
> +			phys = <&pcie0_lane>;
> +			phy-names = "pciephy";
> +			max-link-speed = <3>;
> +			num-lanes = <2>;
> +
> +			status = "disabled";
> +		};
> +
>  		pcie0_phy: phy@...7000 {
>  			compatible = "qcom,sdx55-qmp-pcie-phy";
>  			reg = <0x01c07000 0x1c4>;
> @@ -400,45 +439,6 @@ sdhc_1: mmc@...4000 {
>  			status = "disabled";
>  		};
>  
> -		pcie_ep: pcie-ep@...00000 {
> -			compatible = "qcom,sdx55-pcie-ep";
> -			reg = <0x01c00000 0x3000>,
> -			      <0x40000000 0xf1d>,
> -			      <0x40000f20 0xc8>,
> -			      <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_CLK>;
> -			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";
> -			reset-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
> -			wake-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
> -			resets = <&gcc GCC_PCIE_BCR>;
> -			reset-names = "core";
> -			power-domains = <&gcc PCIE_GDSC>;
> -			phys = <&pcie0_lane>;
> -			phy-names = "pciephy";
> -			max-link-speed = <3>;
> -			num-lanes = <2>;
> -
> -			status = "disabled";
> -		};
> -
>  		remoteproc_mpss: remoteproc@...0000 {
>  			compatible = "qcom,sdx55-mpss-pas";
>  			reg = <0x04080000 0x4040>;