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dt-bindings: PCI: qcom: Document ddrss_sf_tbu clock for sm8250

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On SM8250 additional clock is required for PCIe devices to access NOC.
Document this requirement in devicetree bindings.

Link: https://lore.kernel.org/r/20210117013114.441973-2-dmitry.baryshkov@linaro.org
Fixes: 458168247c ("dt-bindings: pci: qcom: Document PCIe bindings for SM8250 SoC")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Dmitry Baryshkov 2021-01-17 04:31:13 +03:00 committed by Bjorn Helgaas
parent 7c53f6b671
commit c9f0460002
1 changed files with 15 additions and 2 deletions
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17
Documentation/devicetree/bindings/pci/qcom,pcie.txt
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@ -132,8 +132,8 @@
- "master_bus" AXI Master clock
- "slave_bus" AXI Slave clock
-clock-names:
Usage: required for sdm845 and sm8250
- clock-names:
Usage: required for sdm845
Value type: <stringlist>
Definition: Should contain the following entries
- "aux" Auxiliary clock
@ -144,6 +144,19 @@
- "tbu" PCIe TBU clock
- "pipe" PIPE clock
- clock-names:
Usage: required for sm8250
Value type: <stringlist>
Definition: Should contain the following entries
- "aux" Auxiliary clock
- "cfg" Configuration clock
- "bus_master" Master AXI clock
- "bus_slave" Slave AXI clock
- "slave_q2a" Slave Q2A clock
- "tbu" PCIe TBU clock
- "ddrss_sf_tbu" PCIe SF TBU clock
- "pipe" PIPE clock
- resets:
Usage: required
Value type: <prop-encoded-array>