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Message-ID: <CAH=2NtxEvKmq-8ABiozmiizunXQSsUeTrD=+UzsaAeh9hmRfow@mail.gmail.com>
Date: Wed, 2 Mar 2022 17:45:08 +0530
From: Bhupesh Sharma <bhupesh.sharma@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
devicetree@...r.kernel.org, bhupesh.linux@...il.com,
lorenzo.pieralisi@....com, agross@...nel.org,
bjorn.andersson@...aro.org, svarbanov@...sol.com,
bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
robh+dt@...nel.org, sboyd@...nel.org, mturquette@...libre.com,
linux-clk@...r.kernel.org
Subject: Re: [PATCH v2 6/7] arm64: dts: qcom: sm8150: Add pcie nodes for SM8150
Hi Dmitry,
Thanks for the review.
On Tue, 1 Mar 2022 at 17:29, Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> wrote:
>
> On 01/03/2022 10:25, Bhupesh Sharma wrote:
> > Add nodes for the two PCIe controllers founds on the
> > SM8150 SoC.
> >
> > Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> > Cc: Rob Herring <robh+dt@...nel.org>
> > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
> > ---
> > arch/arm64/boot/dts/qcom/sm8150.dtsi | 243 +++++++++++++++++++++++++++
> > 1 file changed, 243 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> > index 6012322a5984..b97f04ec9c6b 100644
> > --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> > @@ -1626,6 +1626,203 @@ system-cache-controller@...0000 {
> > interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
> > };
> >
> > + pcie0: pci@...0000 {
> > + compatible = "qcom,pcie-sm8150", "snps,dw-pcie";
> > + reg = <0 0x01c00000 0 0x3000>,
> > + <0 0x60000000 0 0xf1d>,
> > + <0 0x60000f20 0 0xa8>,
> > + <0 0x60001000 0 0x1000>,
> > + <0 0x60100000 0 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 0x60200000 0 0x60200000 0x0 0x100000>,
> > + <0x02000000 0x0 0x60300000 0 0x60300000 0x0 0x3d00000>;
> > +
> > + interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "msi";
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 0x7>;
> > + interrupt-map = <0 0 0 1 &intc 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> > + <0 0 0 2 &intc 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> > + <0 0 0 3 &intc 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> > + <0 0 0 4 &intc 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> > +
> > + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
> > + <&gcc GCC_PCIE_0_AUX_CLK>,
> > + <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
> > + <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
> > + <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
> > + <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
> > + <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
> > + clock-names = "pipe",
> > + "aux",
> > + "cfg",
> > + "bus_master",
> > + "bus_slave",
> > + "slave_q2a",
> > + "tbu";
> > +
> > + iommus = <&apps_smmu 0x1d80 0x7f>;
> > + iommu-map = <0x0 &apps_smmu 0x1d80 0x1>,
> > + <0x100 &apps_smmu 0x1d81 0x1>;
> > +
> > + resets = <&gcc GCC_PCIE_0_BCR>;
> > + reset-names = "pci";
> > +
> > + power-domains = <&gcc PCIE_0_GDSC>;
> > +
> > + phys = <&pcie0_lane>;
> > + phy-names = "pciephy";
> > +
> > + perst-gpio = <&tlmm 35 GPIO_ACTIVE_HIGH>;
> > + enable-gpio = <&tlmm 37 GPIO_ACTIVE_HIGH>;
> > +
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pcie0_default_state>;
> > +
> > + status = "disabled";
> > + };
> > +
> > + pcie0_phy: phy@...6000 {
> > + compatible = "qcom,sm8150-qmp-gen3x1-pcie-phy";
> > + reg = <0 0x01c06000 0 0x1c0>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + ranges;
> > + clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
> > + <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
> > + <&gcc GCC_PCIE0_PHY_REFGEN_CLK>;
> > + clock-names = "aux", "cfg_ahb", "refgen";
> > +
> > + resets = <&gcc GCC_PCIE_0_PHY_BCR>;
> > + reset-names = "phy";
> > +
> > + assigned-clocks = <&gcc GCC_PCIE0_PHY_REFGEN_CLK>;
> > + assigned-clock-rates = <100000000>;
> > +
> > + status = "disabled";
> > +
> > + pcie0_lane: phy@...6200 {
> > + reg = <0 0x1c06200 0 0x170>, /* tx */
> > + <0 0x1c06400 0 0x200>, /* rx */
> > + <0 0x1c06800 0 0x1f0>, /* pcs */
> > + <0 0x1c06c00 0 0xf4>; /* "pcs_lane" same as pcs_misc? */
> > + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>;
> > + clock-names = "pipe0";
> > +
> > + #phy-cells = <0>;
> > + clock-output-names = "pcie_0_pipe_clk";
> > + };
> > + };
> > +
> > + pcie1: pci@...8000 {
> > + compatible = "qcom,pcie-sm8150", "snps,dw-pcie";
> > + reg = <0 0x01c08000 0 0x3000>,
> > + <0 0x40000000 0 0xf1d>,
> > + <0 0x40000f20 0 0xa8>,
> > + <0 0x40001000 0 0x1000>,
> > + <0 0x40100000 0 0x100000>;
> > + reg-names = "parf", "dbi", "elbi", "atu", "config";
> > + device_type = "pci";
> > + linux,pci-domain = <1>;
> > + bus-range = <0x00 0xff>;
> > + num-lanes = <2>;
> > +
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > +
> > + ranges = <0x01000000 0x0 0x40200000 0x0 0x40200000 0x0 0x100000>,
> > + <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;
> > +
> > + interrupts = <GIC_SPI 306 IRQ_TYPE_EDGE_RISING>;
>
> This should be 307
Oops. Yes, I will fix it in v3.
Thanks,
Bhupesh
> > + interrupt-names = "msi";
> > + #interrupt-cells = <1>;
> > + interrupt-map-mask = <0 0 0 0x7>;
> > + interrupt-map = <0 0 0 1 &intc 0 434 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
> > + <0 0 0 2 &intc 0 435 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
> > + <0 0 0 3 &intc 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> > + <0 0 0 4 &intc 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
> > +
> > + clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
> > + <&gcc GCC_PCIE_1_AUX_CLK>,
> > + <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
> > + <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
> > + <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
> > + <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
> > + <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
> > + clock-names = "pipe",
> > + "aux",
> > + "cfg",
> > + "bus_master",
> > + "bus_slave",
> > + "slave_q2a",
> > + "tbu";
> > +
> > + assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
> > + assigned-clock-rates = <19200000>;
> > +
> > + iommus = <&apps_smmu 0x1e00 0x7f>;
> > + iommu-map = <0x0 &apps_smmu 0x1e00 0x1>,
> > + <0x100 &apps_smmu 0x1e01 0x1>;
> > +
> > + resets = <&gcc GCC_PCIE_1_BCR>;
> > + reset-names = "pci";
> > +
> > + power-domains = <&gcc PCIE_1_GDSC>;
> > +
> > + phys = <&pcie1_lane>;
> > + phy-names = "pciephy";
> > +
> > + perst-gpio = <&tlmm 102 GPIO_ACTIVE_HIGH>;
> > + enable-gpio = <&tlmm 104 GPIO_ACTIVE_HIGH>;
> > +
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pcie1_default_state>;
> > +
> > + status = "disabled";
> > + };
> > +
> > + pcie1_phy: phy@...e000 {
> > + compatible = "qcom,sm8150-qmp-gen3x2-pcie-phy";
> > + reg = <0 0x01c0e000 0 0x1c0>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + ranges;
> > + clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
> > + <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
> > + <&gcc GCC_PCIE1_PHY_REFGEN_CLK>;
> > + clock-names = "aux", "cfg_ahb", "refgen";
> > +
> > + resets = <&gcc GCC_PCIE_1_PHY_BCR>;
> > + reset-names = "phy";
> > +
> > + assigned-clocks = <&gcc GCC_PCIE1_PHY_REFGEN_CLK>;
> > + assigned-clock-rates = <100000000>;
> > +
> > + status = "disabled";
> > +
> > + pcie1_lane: phy@...e200 {
> > + reg = <0 0x1c0e200 0 0x170>, /* tx0 */
> > + <0 0x1c0e400 0 0x200>, /* rx0 */
> > + <0 0x1c0ea00 0 0x1f0>, /* pcs */
> > + <0 0x1c0e600 0 0x170>, /* tx1 */
> > + <0 0x1c0e800 0 0x200>, /* rx1 */
> > + <0 0x1c0ee00 0 0xf4>; /* "pcs_com" same as pcs_misc? */
> > + clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
> > + clock-names = "pipe0";
> > +
> > + #phy-cells = <0>;
> > + clock-output-names = "pcie_1_pipe_clk";
> > + };
> > + };
> > +
> > ufs_mem_hc: ufshc@...4000 {
> > compatible = "qcom,sm8150-ufshc", "qcom,ufshc",
> > "jedec,ufs-2.0";
> > @@ -2327,6 +2524,52 @@ qup_spi19_default: qup-spi19-default {
> > drive-strength = <6>;
> > bias-disable;
> > };
> > +
> > + pcie0_default_state: pcie0-default {
> > + perst {
> > + pins = "gpio35";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-pull-down;
> > + };
> > +
> > + clkreq {
> > + pins = "gpio36";
> > + function = "pci_e0";
> > + drive-strength = <2>;
> > + bias-pull-up;
> > + };
> > +
> > + wake {
> > + pins = "gpio37";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-pull-up;
> > + };
> > + };
> > +
> > + pcie1_default_state: pcie1-default {
> > + perst {
> > + pins = "gpio102";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-pull-down;
> > + };
> > +
> > + clkreq {
> > + pins = "gpio103";
> > + function = "pci_e1";
> > + drive-strength = <2>;
> > + bias-pull-up;
> > + };
> > +
> > + wake {
> > + pins = "gpio104";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-pull-up;
> > + };
> > + };
> > };
> >
> > remoteproc_mpss: remoteproc@...0000 {
>
>
> --
> With best wishes
> Dmitry
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