On 04/09/2024 19:20, Sricharan Ramabadhran wrote: > > > On 8/30/2024 1:53 PM, Krzysztof Kozlowski wrote: >> On Fri, Aug 30, 2024 at 01:41:27PM +0530, Sricharan R wrote: >>> From: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx> >>> >>> Document the Qualcomm UNIPHY PCIe 28LP present in IPQ5018. >>> >>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> >>> Signed-off-by: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx> >>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> >>> --- >>> [v3] Added reviewed-by tags >>> >>> .../phy/qcom,ipq5018-uniphy-pcie.yaml | 70 +++++++++++++++++++ >>> 1 file changed, 70 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5018-uniphy-pcie.yaml >>> >>> diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5018-uniphy-pcie.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5018-uniphy-pcie.yaml >>> new file mode 100644 >>> index 000000000000..c04dd179eb8b >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5018-uniphy-pcie.yaml >>> @@ -0,0 +1,70 @@ >>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: http://devicetree.org/schemas/phy/qcom,ipq5018-uniphy-pcie.yaml# >>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>> + >>> +title: Qualcomm UNIPHY PCIe 28LP PHY controller for genx1, genx2 >>> + >>> +maintainers: >>> + - Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx> >>> + - Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> >>> + >>> +properties: >>> + compatible: >>> + enum: >>> + - qcom,ipq5018-uniphy-pcie-gen2x1 >>> + - qcom,ipq5018-uniphy-pcie-gen2x2 >> >> ... and now I wonder why there are two compatibles. Isn't the phy the >> same? We talk about the same hardware? > We have 2 different physical phys. One with single lane and another > with dual lane. Its same IP, but for 2 lanes, 2 sets of the phy > specific registers needs to configured. So differentiating that here. What you described, suggests using phy mode or num-lanes in PCI controller, not separate compatible. It's the same IP. Best regards, Krzysztof
