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Date: Sat, 22 Apr 2023 03:19:00 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Devi Priya <quic_devipriy@...cinc.com>
Cc: agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
lpieralisi@...nel.org, kw@...ux.com, robh@...nel.org,
bhelgaas@...gle.com, krzysztof.kozlowski+dt@...aro.org,
mturquette@...libre.com, sboyd@...nel.org, mani@...nel.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-clk@...r.kernel.org, quic_srichara@...cinc.com,
quic_sjaganat@...cinc.com, quic_kathirav@...cinc.com,
quic_arajkuma@...cinc.com, quic_anusha@...cinc.com,
quic_ipkumar@...cinc.com
Subject: Re: [PATCH V3 4/6] arm64: dts: qcom: ipq9574: Add PCIe PHYs and
controller nodes
On Fri, 21 Apr 2023 at 15:50, Devi Priya <quic_devipriy@...cinc.com> wrote:
>
> Add PCIe0, PCIe1, PCIe2, PCIe3 (and corresponding PHY) devices
> found on IPQ9574 platform. The PCIe0 & PCIe1 are 1-lane Gen3
> host whereas PCIe2 & PCIe3 are 2-lane Gen3 host.
>
> Co-developed-by: Anusha Rao <quic_anusha@...cinc.com>
> Signed-off-by: Anusha Rao <quic_anusha@...cinc.com>
> Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
> ---
> Changes in V3:
> - Fixed up the PCI I/O port ranges
>
> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 375 +++++++++++++++++++++++++-
> 1 file changed, 370 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index e757b57957cf..953a839a1141 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -6,8 +6,8 @@
> * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
> */
>
> -#include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
>
> / {
> @@ -116,6 +116,58 @@
> #size-cells = <1>;
> ranges = <0 0 0 0xffffffff>;
>
> + pcie0_phy: phy@...00 {
> + compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> + reg = <0x00084000 0x1000>;
> +
> + clocks = <&gcc GCC_PCIE0_AUX_CLK>,
> + <&gcc GCC_PCIE0_AHB_CLK>,
> + <&gcc GCC_ANOC_PCIE0_1LANE_M_CLK>,
> + <&gcc GCC_SNOC_PCIE0_1LANE_S_CLK>,
> + <&gcc GCC_PCIE0_PIPE_CLK>;
> + clock-names = "aux", "cfg_ahb", "anoc_lane", "snoc_lane", "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";
> +
> + };
> +
> + pcie2_phy: phy@...00 {
> + compatible = "qcom,ipq9574-qmp-gen3x2-pcie-phy";
> + reg = <0x0008c000 0x2000>;
> +
> + clocks = <&gcc GCC_PCIE2_AUX_CLK>,
> + <&gcc GCC_PCIE2_AHB_CLK>,
> + <&gcc GCC_ANOC_PCIE2_2LANE_M_CLK>,
> + <&gcc GCC_SNOC_PCIE2_2LANE_S_CLK>,
> + <&gcc GCC_PCIE2_PIPE_CLK>;
> + clock-names = "aux", "cfg_ahb", "anoc_lane", "snoc_lane", "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";
> +
> + };
> +
> rng: rng@...00 {
> compatible = "qcom,prng-ee";
> reg = <0x000e3000 0x1000>;
> @@ -123,6 +175,58 @@
> clock-names = "core";
> };
>
> + pcie3_phy: phy@...00 {
> + compatible = "qcom,ipq9574-qmp-gen3x2-pcie-phy";
> + reg = <0x000f4000 0x2000>;
> +
> + clocks = <&gcc GCC_PCIE3_AUX_CLK>,
> + <&gcc GCC_PCIE3_AHB_CLK>,
> + <&gcc GCC_ANOC_PCIE3_2LANE_M_CLK>,
> + <&gcc GCC_SNOC_PCIE3_2LANE_S_CLK>,
> + <&gcc GCC_PCIE3_PIPE_CLK>;
> + clock-names = "aux", "cfg_ahb", "anoc_lane", "snoc_lane", "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";
> +
> + };
> +
> + pcie1_phy: phy@...00 {
> + compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> + reg = <0x000fc000 0x1000>;
> +
> + clocks = <&gcc GCC_PCIE1_AUX_CLK>,
> + <&gcc GCC_PCIE1_AHB_CLK>,
> + <&gcc GCC_ANOC_PCIE1_1LANE_M_CLK>,
> + <&gcc GCC_SNOC_PCIE1_1LANE_S_CLK>,
> + <&gcc GCC_PCIE1_PIPE_CLK>;
> + clock-names = "aux", "cfg_ahb", "anoc_lane", "snoc_lane", "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";
> +
> + };
> +
> tlmm: pinctrl@...0000 {
> compatible = "qcom,ipq9574-tlmm";
> reg = <0x01000000 0x300000>;
> @@ -146,10 +250,10 @@
> reg = <0x01800000 0x80000>;
> clocks = <&xo_board_clk>,
> <&sleep_clk>,
> - <0>,
> - <0>,
> - <0>,
> - <0>,
> + <&pcie0_phy>,
> + <&pcie1_phy>,
> + <&pcie2_phy>,
> + <&pcie3_phy>,
> <0>;
> #clock-cells = <1>;
> #reset-cells = <1>;
> @@ -478,6 +582,267 @@
> status = "disabled";
> };
> };
> +
> + pcie1: pci@...00000 {
> + compatible = "qcom,pcie-ipq9574";
> + reg = <0x10000000 0xf1d>,
> + <0x10000F20 0xa8>,
> + <0x10001000 0x1000>,
> + <0x000F8000 0x4000>,
> + <0x10100000 0x1000>;
> + reg-names = "dbi", "elbi", "atu", "parf", "config";
> + device_type = "pci";
> + linux,pci-domain = <2>;
> + bus-range = <0x00 0xff>;
> + num-lanes = <1>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> +
> + ranges = <0x01000000 0x0 0x00000000 0x10200000 0x0 0x100000>, /* I/O */
> + <0x02000000 0x0 0x10300000 0x10300000 0x0 0x7d00000>; /* MEM */
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0x7>;
> + interrupt-map = <0 0 0 1 &intc 0 35 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> + <0 0 0 2 &intc 0 49 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> + <0 0 0 3 &intc 0 84 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> + <0 0 0 4 &intc 0 85 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> +
No iommu-map?
> + interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "global_irq";
> +
> + /* clocks and clock-names are used to enable the clock in CBCR */
> + clocks = <&gcc GCC_PCIE1_AHB_CLK>,
> + <&gcc GCC_PCIE1_AUX_CLK>,
> + <&gcc GCC_PCIE1_AXI_M_CLK>,
> + <&gcc GCC_PCIE1_AXI_S_CLK>,
> + <&gcc GCC_PCIE1_AXI_S_BRIDGE_CLK>,
> + <&gcc GCC_PCIE1_RCHNG_CLK>;
> + clock-names = "ahb",
> + "aux",
> + "axi_m",
> + "axi_s",
> + "axi_bridge",
> + "rchng";
> +
> + resets = <&gcc GCC_PCIE1_PIPE_ARES>,
> + <&gcc GCC_PCIE1_CORE_STICKY_ARES>,
> + <&gcc GCC_PCIE1_AXI_S_STICKY_ARES>,
> + <&gcc GCC_PCIE1_AXI_S_ARES>,
> + <&gcc GCC_PCIE1_AXI_M_STICKY_ARES>,
> + <&gcc GCC_PCIE1_AXI_M_ARES>,
> + <&gcc GCC_PCIE1_AUX_ARES>,
> + <&gcc GCC_PCIE1_AHB_ARES>;
> + reset-names = "pipe",
> + "sticky",
> + "axi_s_sticky",
> + "axi_s",
> + "axi_m_sticky",
> + "axi_m",
> + "aux",
> + "ahb";
> +
> + phys = <&pcie1_phy>;
> + phy-names = "pciephy";
> + msi-parent = <&v2m0>;
> + status = "disabled";
> + };
> +
> + pcie3: pci@...00000 {
> + compatible = "qcom,pcie-ipq9574";
> + reg = <0x18000000 0xf1d>,
> + <0x18000F20 0xa8>,
> + <0x18001000 0x1000>,
> + <0x000F0000 0x4000>,
> + <0x18100000 0x1000>;
> + reg-names = "dbi", "elbi", "atu", "parf", "config";
> + device_type = "pci";
> + linux,pci-domain = <4>;
> + bus-range = <0x00 0xff>;
> + num-lanes = <2>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> +
> + ranges = <0x01000000 0x0 0x00000000 0x18200000 0x0 0x100000>, /* I/O */
> + <0x02000000 0x0 0x18300000 0x18300000 0x0 0x7d00000>; /* MEM */
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0x7>;
> + interrupt-map = <0 0 0 1 &intc 0 189 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> + <0 0 0 2 &intc 0 190 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> + <0 0 0 3 &intc 0 191 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> + <0 0 0 4 &intc 0 192 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> +
> + interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "global_irq";
> +
> + /* clocks and clock-names are used to enable the clock in CBCR */
> + clocks = <&gcc GCC_PCIE3_AHB_CLK>,
> + <&gcc GCC_PCIE3_AUX_CLK>,
> + <&gcc GCC_PCIE3_AXI_M_CLK>,
> + <&gcc GCC_PCIE3_AXI_S_CLK>,
> + <&gcc GCC_PCIE3_AXI_S_BRIDGE_CLK>,
> + <&gcc GCC_PCIE3_RCHNG_CLK>;
> + clock-names = "ahb",
> + "aux",
> + "axi_m",
> + "axi_s",
> + "axi_bridge",
> + "rchng";
> +
> + resets = <&gcc GCC_PCIE3_PIPE_ARES>,
> + <&gcc GCC_PCIE3_CORE_STICKY_ARES>,
> + <&gcc GCC_PCIE3_AXI_S_STICKY_ARES>,
> + <&gcc GCC_PCIE3_AXI_S_ARES>,
> + <&gcc GCC_PCIE3_AXI_M_STICKY_ARES>,
> + <&gcc GCC_PCIE3_AXI_M_ARES>,
> + <&gcc GCC_PCIE3_AUX_ARES>,
> + <&gcc GCC_PCIE3_AHB_ARES>;
> + reset-names = "pipe",
> + "sticky",
> + "axi_s_sticky",
> + "axi_s",
> + "axi_m_sticky",
> + "axi_m",
> + "aux",
> + "ahb";
> +
> + phys = <&pcie3_phy>;
> + phy-names = "pciephy";
> + msi-parent = <&v2m0>;
> + status = "disabled";
> + };
> +
> + pcie2: pci@...00000 {
> + compatible = "qcom,pcie-ipq9574";
> + reg = <0x20000000 0xf1d>,
> + <0x20000F20 0xa8>,
> + <0x20001000 0x1000>,
> + <0x00088000 0x4000>,
> + <0x20100000 0x1000>;
> + reg-names = "dbi", "elbi", "atu", "parf", "config";
> + device_type = "pci";
> + linux,pci-domain = <3>;
> + bus-range = <0x00 0xff>;
> + num-lanes = <2>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> +
> + ranges = <0x01000000 0x0 0x00000000 0x20200000 0x0 0x100000>, /* I/O */
> + <0x02000000 0x0 0x20300000 0x20300000 0x0 0x7d00000>; /* MEM */
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0x7>;
> + interrupt-map = <0 0 0 1 &intc 0 164 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> + <0 0 0 2 &intc 0 165 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> + <0 0 0 3 &intc 0 186 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> + <0 0 0 4 &intc 0 187 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> +
> + interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "global_irq";
> +
> + /* clocks and clock-names are used to enable the clock in CBCR */
> + clocks = <&gcc GCC_PCIE2_AHB_CLK>,
> + <&gcc GCC_PCIE2_AUX_CLK>,
> + <&gcc GCC_PCIE2_AXI_M_CLK>,
> + <&gcc GCC_PCIE2_AXI_S_CLK>,
> + <&gcc GCC_PCIE2_AXI_S_BRIDGE_CLK>,
> + <&gcc GCC_PCIE2_RCHNG_CLK>;
> + clock-names = "ahb",
> + "aux",
> + "axi_m",
> + "axi_s",
> + "axi_bridge",
> + "rchng";
> +
> + resets = <&gcc GCC_PCIE2_PIPE_ARES>,
> + <&gcc GCC_PCIE2_CORE_STICKY_ARES>,
> + <&gcc GCC_PCIE2_AXI_S_STICKY_ARES>,
> + <&gcc GCC_PCIE2_AXI_S_ARES>,
> + <&gcc GCC_PCIE2_AXI_M_STICKY_ARES>,
> + <&gcc GCC_PCIE2_AXI_M_ARES>,
> + <&gcc GCC_PCIE2_AUX_ARES>,
> + <&gcc GCC_PCIE2_AHB_ARES>;
> + reset-names = "pipe",
> + "sticky",
> + "axi_s_sticky",
> + "axi_s",
> + "axi_m_sticky",
> + "axi_m",
> + "aux",
> + "ahb";
> +
> + phys = <&pcie2_phy>;
> + phy-names = "pciephy";
> + msi-parent = <&v2m0>;
> + status = "disabled";
> + };
> +
> + pcie0: pci@...00000 {
> + compatible = "qcom,pcie-ipq9574";
> + reg = <0x28000000 0xf1d>,
> + <0x28000F20 0xa8>,
> + <0x28001000 0x1000>,
> + <0x00080000 0x4000>,
> + <0x28100000 0x1000>;
> + reg-names = "dbi", "elbi", "atu", "parf", "config";
> + device_type = "pci";
> + linux,pci-domain = <1>;
> + bus-range = <0x00 0xff>;
> + num-lanes = <1>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> +
> + ranges = <0x01000000 0x0 0x00000000 0x28200000 0x0 0x100000>, /* I/O */
> + <0x02000000 0x0 0x28300000 0x28300000 0x0 0x7d00000>; /* MEM */
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0x7>;
> + interrupt-map = <0 0 0 1 &intc 0 75 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> + <0 0 0 2 &intc 0 78 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> + <0 0 0 3 &intc 0 79 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> + <0 0 0 4 &intc 0 83 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> +
> + interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "global_irq";
> +
> + /* clocks and clock-names are used to enable the clock in CBCR */
> + clocks = <&gcc GCC_PCIE0_AHB_CLK>,
> + <&gcc GCC_PCIE0_AUX_CLK>,
> + <&gcc GCC_PCIE0_AXI_M_CLK>,
> + <&gcc GCC_PCIE0_AXI_S_CLK>,
> + <&gcc GCC_PCIE0_AXI_S_BRIDGE_CLK>,
> + <&gcc GCC_PCIE0_RCHNG_CLK>;
> + clock-names = "ahb",
> + "aux",
> + "axi_m",
> + "axi_s",
> + "axi_bridge",
> + "rchng";
> +
> + resets = <&gcc GCC_PCIE0_PIPE_ARES>,
> + <&gcc GCC_PCIE0_CORE_STICKY_ARES>,
> + <&gcc GCC_PCIE0_AXI_S_STICKY_ARES>,
> + <&gcc GCC_PCIE0_AXI_S_ARES>,
> + <&gcc GCC_PCIE0_AXI_M_STICKY_ARES>,
> + <&gcc GCC_PCIE0_AXI_M_ARES>,
> + <&gcc GCC_PCIE0_AUX_ARES>,
> + <&gcc GCC_PCIE0_AHB_ARES>;
> + reset-names = "pipe",
> + "sticky",
> + "axi_s_sticky",
> + "axi_s",
> + "axi_m_sticky",
> + "axi_m",
> + "aux",
> + "ahb";
> +
> + phys = <&pcie0_phy>;
> + phy-names = "pciephy";
> + msi-parent = <&v2m0>;
> + status = "disabled";
> + };
> +
> };
>
> timer {
> --
> 2.17.1
>
--
With best wishes
Dmitry
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