PCI: qcom: Add sc8180x compatible

The SC8180x platform comes with 4 PCIe controllers, typically used for
things such as NVME storage or connecting a SDX55 5G modem. Add a
compatible for this, that just reuses the 1.9.0 ops.

Link: https://lore.kernel.org/linux-arm-msm/20210725040038.3966348-4-bjorn.andersson@linaro.org/
Link: https://lore.kernel.org/r/20210823154958.305677-2-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[lorenzo.pieralisi@arm.com: updated match data structure]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
index 3f64687..a0ae024 100644 (file)
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
@@ -12,6 +12,7 @@
                        - "qcom,pcie-ipq4019" for ipq4019
                        - "qcom,pcie-ipq8074" for ipq8074
                        - "qcom,pcie-qcs404" for qcs404
+                       - "qcom,pcie-sc8180x" for sc8180x
                        - "qcom,pcie-sdm845" for sdm845
                        - "qcom,pcie-sm8250" for sm8250
                        - "qcom,pcie-ipq6018" for ipq6018
@@ -156,7 +157,7 @@
                        - "pipe"        PIPE clock
 
 - clock-names:
-       Usage: required for sm8250
+       Usage: required for sc8180x and sm8250
        Value type: <stringlist>
        Definition: Should contain the following entries
                        - "aux"         Auxiliary clock
@@ -245,7 +246,7 @@
                        - "ahb"                 AHB reset
 
 - reset-names:
-       Usage: required for sdm845 and sm8250
+       Usage: required for sc8180x, sdm845 and sm8250
        Value type: <stringlist>
        Definition: Should contain the following entries
                        - "pci"                 PCIe core reset

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index c4ff996..1c3d111 100644 (file)
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1627,6 +1627,7 @@ static const struct of_device_id qcom_pcie_match[] = {
        { .compatible = "qcom,pcie-qcs404", .data = &ipq4019_cfg },
        { .compatible = "qcom,pcie-sdm845", .data = &sdm845_cfg },
        { .compatible = "qcom,pcie-sm8250", .data = &sm8250_cfg },
+       { .compatible = "qcom,pcie-sc8180x", .data = &sm8250_cfg },
        { .compatible = "qcom,pcie-sc7280", .data = &sc7280_cfg },
        { }
 };