[07/11] ARM: dts: qcom: sdx55: Add support for PCIe RC controller

Message ID 20230222153251.254492-8-manivannan.sadhasivam@linaro.org
State New
Headers
Series Add PCIe RC support to Qcom SDX55 SoC |

Commit Message

Manivannan Sadhasivam Feb. 22, 2023, 3:32 p.m. UTC
  The PCIe controller in SDX55 can act as the RC controller also. Let's
add support for it.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 arch/arm/boot/dts/qcom-sdx55.dtsi | 72 +++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
  

Comments

Konrad Dybcio Feb. 22, 2023, 4:03 p.m. UTC | #1
On 22.02.2023 16:32, Manivannan Sadhasivam wrote:
> The PCIe controller in SDX55 can act as the RC controller also. Let's
> add support for it.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
>  arch/arm/boot/dts/qcom-sdx55.dtsi | 72 +++++++++++++++++++++++++++++++
>  1 file changed, 72 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
> index a1f4a7b0904a..768d7d7f6335 100644
> --- a/arch/arm/boot/dts/qcom-sdx55.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
> @@ -303,6 +303,78 @@ qpic_nand: nand-controller@1b30000 {
>  			status = "disabled";
>  		};
>  
> +		pcie_rc: pcie@1c00000 {
> +			compatible = "qcom,pcie-sdx55";
> +			reg = <0x01c00000 0x3000>,
> +			      <0x40000000 0xf1d>,
> +			      <0x40000f20 0xc8>,
> +			      <0x40001000 0x1000>,
> +			      <0x40100000 0x100000>;
> +			reg-names = "parf", "dbi", "elbi", "atu", "config";
It'd be nice if this and interrupt-names could be turned into
a vertical list of entries, sort of like you have in clock-
names. And it'd be even nicer if you could fix that up in
both PCIe nodes.

Konrad
> +			device_type = "pci";
> +			linux,pci-domain = <0>;
> +			bus-range = <0x00 0xff>;
> +			num-lanes = <1>;
> +
> +			#address-cells = <3>;
> +			#size-cells = <2>;
> +
> +			ranges = <0x01000000 0x0 0x40200000 0x40200000 0x0 0x100000>,
> +				 <0x02000000 0x0 0x40300000 0x40300000 0x0 0x3fd00000>;
> +
> +			interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "msi", "msi2", "msi3", "msi4",
> +					  "msi5", "msi6", "msi7", "msi8";
> +			#interrupt-cells = <1>;
> +			interrupt-map-mask = <0 0 0 0x7>;
> +			interrupt-map = <0 0 0 1 &intc 0 0 0 141 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> +					<0 0 0 2 &intc 0 0 0 142 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> +					<0 0 0 3 &intc 0 0 0 143 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> +					<0 0 0 4 &intc 0 0 0 144 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> +
> +			clocks = <&gcc GCC_PCIE_PIPE_CLK>,
> +				 <&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>;
> +			clock-names = "pipe",
> +				      "aux",
> +				      "cfg",
> +				      "bus_master",
> +				      "bus_slave",
> +				      "slave_q2a",
> +				      "sleep";
> +
> +			assigned-clocks = <&gcc GCC_PCIE_AUX_CLK>;
> +			assigned-clock-rates = <19200000>;
> +
> +			iommus = <&apps_smmu 0x0200 0x0f>;
> +			iommu-map = <0x0   &apps_smmu 0x0200 0x1>,
> +				    <0x100 &apps_smmu 0x0201 0x1>,
> +				    <0x200 &apps_smmu 0x0202 0x1>,
> +				    <0x300 &apps_smmu 0x0203 0x1>,
> +				    <0x400 &apps_smmu 0x0204 0x1>;
> +
> +			resets = <&gcc GCC_PCIE_BCR>;
> +			reset-names = "pci";
> +
> +			power-domains = <&gcc PCIE_GDSC>;
> +
> +			phys = <&pcie_lane>;
> +			phy-names = "pciephy";
> +
> +			status = "disabled";
> +		};
> +
>  		pcie_ep: pcie-ep@1c00000 {
>  			compatible = "qcom,sdx55-pcie-ep";
>  			reg = <0x01c00000 0x3000>,
  

Patch

diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
index a1f4a7b0904a..768d7d7f6335 100644
--- a/arch/arm/boot/dts/qcom-sdx55.dtsi
+++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
@@ -303,6 +303,78 @@  qpic_nand: nand-controller@1b30000 {
 			status = "disabled";
 		};
 
+		pcie_rc: pcie@1c00000 {
+			compatible = "qcom,pcie-sdx55";
+			reg = <0x01c00000 0x3000>,
+			      <0x40000000 0xf1d>,
+			      <0x40000f20 0xc8>,
+			      <0x40001000 0x1000>,
+			      <0x40100000 0x100000>;
+			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			device_type = "pci";
+			linux,pci-domain = <0>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <1>;
+
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			ranges = <0x01000000 0x0 0x40200000 0x40200000 0x0 0x100000>,
+				 <0x02000000 0x0 0x40300000 0x40300000 0x0 0x3fd00000>;
+
+			interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi", "msi2", "msi3", "msi4",
+					  "msi5", "msi6", "msi7", "msi8";
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 0 0 141 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+					<0 0 0 2 &intc 0 0 0 142 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+					<0 0 0 3 &intc 0 0 0 143 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+					<0 0 0 4 &intc 0 0 0 144 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+			clocks = <&gcc GCC_PCIE_PIPE_CLK>,
+				 <&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>;
+			clock-names = "pipe",
+				      "aux",
+				      "cfg",
+				      "bus_master",
+				      "bus_slave",
+				      "slave_q2a",
+				      "sleep";
+
+			assigned-clocks = <&gcc GCC_PCIE_AUX_CLK>;
+			assigned-clock-rates = <19200000>;
+
+			iommus = <&apps_smmu 0x0200 0x0f>;
+			iommu-map = <0x0   &apps_smmu 0x0200 0x1>,
+				    <0x100 &apps_smmu 0x0201 0x1>,
+				    <0x200 &apps_smmu 0x0202 0x1>,
+				    <0x300 &apps_smmu 0x0203 0x1>,
+				    <0x400 &apps_smmu 0x0204 0x1>;
+
+			resets = <&gcc GCC_PCIE_BCR>;
+			reset-names = "pci";
+
+			power-domains = <&gcc PCIE_GDSC>;
+
+			phys = <&pcie_lane>;
+			phy-names = "pciephy";
+
+			status = "disabled";
+		};
+
 		pcie_ep: pcie-ep@1c00000 {
 			compatible = "qcom,sdx55-pcie-ep";
 			reg = <0x01c00000 0x3000>,