linux-kernel - Re: [PATCH 07/10] PCI: qcom: Add support for SA8540P

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Message-ID: <20220709081908.GN5063@thinkpad>
Date:   Sat, 9 Jul 2022 13:49:08 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/10] PCI: qcom: Add support for SA8540P

On Wed, Jun 29, 2022 at 04:09:57PM +0200, Johan Hovold wrote:
> The SA8540P platform has five PCIe controllers: two 4-lane, two 2-lane
> and one 1-lane.
> 
> Add a new "qcom,pcie-sa8540p" compatible string and reuse the 1.9.0 ops.
> 
> Note that like for SC8280XP, the SA8540 controllers need two or three
> interconnect clocks to be enabled.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
>  drivers/pci/controller/dwc/pcie-qcom.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> index da3f1cdc4ba6..8ab88e5743da 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> @@ -1461,6 +1461,11 @@ static const struct qcom_pcie_cfg ipq4019_cfg = {
>  	.ops = &ops_2_4_0,
>  };
>  
> +static const struct qcom_pcie_cfg sa8540p_cfg = {
> +	.ops = &ops_1_9_0,
> +	.has_ddrss_sf_tbu_clk = true,
> +};
> +
>  static const struct qcom_pcie_cfg sc8280xp_cfg = {
>  	.ops = &ops_1_9_0,
>  	.has_ddrss_sf_tbu_clk = true,
> @@ -1626,6 +1631,7 @@ static const struct of_device_id qcom_pcie_match[] = {
>  	{ .compatible = "qcom,pcie-ipq8074", .data = &ipq8074_cfg },
>  	{ .compatible = "qcom,pcie-ipq4019", .data = &ipq4019_cfg },
>  	{ .compatible = "qcom,pcie-qcs404", .data = &ipq4019_cfg },
> +	{ .compatible = "qcom,pcie-sa8540p", .data = &sa8540p_cfg },
>  	{ .compatible = "qcom,pcie-sdm845", .data = &sdm845_cfg },
>  	{ .compatible = "qcom,pcie-sm8150", .data = &sm8150_cfg },
>  	{ .compatible = "qcom,pcie-sm8250", .data = &sm8250_cfg },
> -- 
> 2.35.1
> 

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