Re: [PATCH 3/4] arm64: dts: qcom: ipq5424: Add PCIe PHYs and controller nodes

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 13.12.2024 2:49 PM, Manikanta Mylavarapu wrote:
> Add PCIe0, PCIe1, PCIe2, PCIe3 (and corresponding PHY) devices
> found on IPQ5424 platform. The PCIe0 & PCIe1 are 1-lane Gen3
> host whereas PCIe2 & PCIe3 are 2-lane Gen3 host.
> 
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq5424.dtsi | 482 +++++++++++++++++++++++++-
>  1 file changed, 477 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> index 5e219f900412..ade512bcb180 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> @@ -9,6 +9,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/clock/qcom,ipq5424-gcc.h>
>  #include <dt-bindings/reset/qcom,ipq5424-gcc.h>
> +#include <dt-bindings/interconnect/qcom,ipq5424.h>
>  #include <dt-bindings/gpio/gpio.h>
>  
>  / {
> @@ -143,7 +144,99 @@ soc@0 {
>  		compatible = "simple-bus";
>  		#address-cells = <2>;
>  		#size-cells = <2>;
> -		ranges = <0 0 0 0 0x10 0>;
> +		ranges = <0 0 0 0 0x0 0xffffffff>;

This must be a separate change, with a clear explanation

> +
> +		pcie0_phy: phy@84000 {
> +			compatible = "qcom,ipq5424-qmp-gen3x1-pcie-phy",
> +				     "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> +			reg = <0 0x00084000 0 0x2000>;
> +			clocks = <&gcc GCC_PCIE0_AUX_CLK>,
> +				 <&gcc GCC_PCIE0_AHB_CLK>,
> +				 <&gcc GCC_PCIE0_PIPE_CLK>;
> +			clock-names = "aux", "cfg_ahb", "pipe";
> +
> +			assigned-clocks = <&gcc GCC_PCIE0_AUX_CLK>;
> +			assigned-clock-rates = <20000000>;
> +
> +			resets = <&gcc GCC_PCIE0_PHY_BCR>,
> +				 <&gcc GCC_PCIE0PHY_PHY_BCR>;
> +			reset-names = "phy", "common";
> +
> +			#clock-cells = <0>;
> +			clock-output-names = "gcc_pcie0_pipe_clk_src";
> +
> +			#phy-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		pcie1_phy: phy@8c000 {
> +			compatible = "qcom,ipq5424-qmp-gen3x1-pcie-phy",
> +				     "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> +			reg = <0 0x0008c000 0 0x2000>;
> +			clocks = <&gcc GCC_PCIE1_AUX_CLK>,
> +				 <&gcc GCC_PCIE1_AHB_CLK>,
> +				 <&gcc GCC_PCIE1_PIPE_CLK>;
> +			clock-names = "aux", "cfg_ahb", "pipe";
> +
> +			assigned-clocks = <&gcc GCC_PCIE1_AUX_CLK>;
> +			assigned-clock-rates = <20000000>;
> +
> +			resets = <&gcc GCC_PCIE1_PHY_BCR>,
> +				 <&gcc GCC_PCIE1PHY_PHY_BCR>;
> +			reset-names = "phy", "common";
> +
> +			#clock-cells = <0>;
> +			clock-output-names = "gcc_pcie1_pipe_clk_src";
> +
> +			#phy-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		pcie2_phy: phy@f4000 {
> +			compatible = "qcom,ipq5424-qmp-gen3x2-pcie-phy",
> +				     "qcom,ipq9574-qmp-gen3x2-pcie-phy";
> +			reg = <0 0x000f4000 0 0x2000>;
> +			clocks = <&gcc GCC_PCIE2_AUX_CLK>,
> +				 <&gcc GCC_PCIE2_AHB_CLK>,
> +				 <&gcc GCC_PCIE2_PIPE_CLK>;
> +			clock-names = "aux", "cfg_ahb", "pipe";
> +
> +			assigned-clocks = <&gcc GCC_PCIE2_AUX_CLK>;
> +			assigned-clock-rates = <20000000>;
> +
> +			resets = <&gcc GCC_PCIE2_PHY_BCR>,
> +				 <&gcc GCC_PCIE2PHY_PHY_BCR>;
> +			reset-names = "phy", "common";
> +
> +			#clock-cells = <0>;
> +			clock-output-names = "gcc_pcie2_pipe_clk_src";
> +
> +			#phy-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		pcie3_phy: phy@fc000 {
> +			compatible = "qcom,ipq5424-qmp-gen3x2-pcie-phy",
> +				     "qcom,ipq9574-qmp-gen3x2-pcie-phy";
> +			reg = <0 0x000fc000 0 0x2000>;
> +			clocks = <&gcc GCC_PCIE3_AUX_CLK>,
> +				 <&gcc GCC_PCIE3_AHB_CLK>,
> +				 <&gcc GCC_PCIE3_PIPE_CLK>;
> +			clock-names = "aux", "cfg_ahb", "pipe";
> +
> +			assigned-clocks = <&gcc GCC_PCIE3_AUX_CLK>;
> +			assigned-clock-rates = <20000000>;
> +
> +			resets = <&gcc GCC_PCIE3_PHY_BCR>,
> +				 <&gcc GCC_PCIE3PHY_PHY_BCR>;
> +			reset-names = "phy", "common";
> +
> +			#clock-cells = <0>;
> +			clock-output-names = "gcc_pcie3_pipe_clk_src";
> +
> +			#phy-cells = <0>;
> +			status = "disabled";
> +		};
>  
>  		tlmm: pinctrl@1000000 {
>  			compatible = "qcom,ipq5424-tlmm";
> @@ -168,11 +261,11 @@ gcc: clock-controller@1800000 {
>  			reg = <0 0x01800000 0 0x40000>;
>  			clocks = <&xo_board>,
>  				 <&sleep_clk>,
> +				 <&pcie0_phy>,
> +				 <&pcie1_phy>,
>  				 <0>,

This leftover zero needs to be removed too, currently the wrong
clocks are used as parents

> -				 <0>,
> -				 <0>,
> -				 <0>,
> -				 <0>;
> +				 <&pcie2_phy>,
> +				 <&pcie3_phy>;
>  			#clock-cells = <1>;
>  			#reset-cells = <1>;
>  			#interconnect-cells = <1>;
> @@ -292,6 +385,385 @@ frame@f42d000 {
>  			};
>  		};
>  
> +		pcie3: pcie@40000000 {
> +			compatible = "qcom,pcie-ipq5424",
> +				     "qcom,pcie-ipq9574";
> +			reg = <0 0x40000000 0 0xf1d>,
> +			      <0 0x40000f20 0 0xa8>,
> +			      <0 0x40001000 0 0x1000>,
> +			      <0 0x000f8000 0 0x3000>,
> +			      <0 0x40100000 0 0x1000>;
> +			reg-names = "dbi", "elbi", "atu", "parf", "config";

Please make this a vertical list, in all nodes

[...]

> +			phys = <&pcie3_phy>;
> +			phy-names = "pciephy";
> +			interconnects = <&gcc MASTER_ANOC_PCIE3 &gcc SLAVE_ANOC_PCIE3>,
> +					<&gcc MASTER_CNOC_PCIE3 &gcc SLAVE_CNOC_PCIE3>;
> +			interconnect-names = "pcie-mem", "cpu-pcie";
> +			status = "disabled";

And add a newline above status

Konrad

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