diff options
| author | Thierry Reding <treding@nvidia.com> | 2020-06-23 16:55:27 +0200 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-07-28 11:17:54 +0100 |
| commit | 980d1f2f3db618b58f9d1dab82534286e9e3cff1 (patch) | |
| tree | 55ef0a82d249d9848b2f3f3661f6dd487871a7e1 /Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | |
| parent | e7b856dfcec6d3bf028adee8c65342d7035914a1 (diff) | |
| download | kernel_replicant_linux-980d1f2f3db618b58f9d1dab82534286e9e3cff1.tar.gz kernel_replicant_linux-980d1f2f3db618b58f9d1dab82534286e9e3cff1.tar.bz2 kernel_replicant_linux-980d1f2f3db618b58f9d1dab82534286e9e3cff1.zip | |
dt-bindings: pci: tegra: Remove PLL power supplies
The XUSB pad controller, which provides access to various USB, PCI and
SATA pads (or PHYs), needs to bring up the PLLs associated with these
pads. In order to properly do so, it needs to control the power supplied
to these PLLs.
Remove the PLL power supplies from the PCIe controller because it does
not need direct access to them. Instead it will only use the configured
pads provided by the XUSB pad controller.
Link: https://lore.kernel.org/r/20200623145528.1658337-1-thierry.reding@gmail.com
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt index 7939bca47861..d099f3476ccc 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt @@ -112,28 +112,16 @@ Power supplies for Tegra124: - Required: - avddio-pex-supply: Power supply for analog PCIe logic. Must supply 1.05 V. - dvddio-pex-supply: Power supply for digital PCIe I/O. Must supply 1.05 V. - - avdd-pex-pll-supply: Power supply for dedicated (internal) PCIe PLL. Must - supply 1.05 V. - hvdd-pex-supply: High-voltage supply for PCIe I/O and PCIe output clocks. Must supply 3.3 V. - - hvdd-pex-pll-e-supply: High-voltage supply for PLLE (shared with USB3). - Must supply 3.3 V. - vddio-pex-ctl-supply: Power supply for PCIe control I/O partition. Must supply 2.8-3.3 V. - - avdd-pll-erefe-supply: Power supply for PLLE (shared with USB3). Must - supply 1.05 V. Power supplies for Tegra210: - Required: - - avdd-pll-uerefe-supply: Power supply for PLLE (shared with USB3). Must - supply 1.05 V. - hvddio-pex-supply: High-voltage supply for PCIe I/O and PCIe output clocks. Must supply 1.8 V. - dvddio-pex-supply: Power supply for digital PCIe I/O. Must supply 1.05 V. - - dvdd-pex-pll-supply: Power supply for dedicated (internal) PCIe PLL. Must - supply 1.05 V. - - hvdd-pex-pll-e-supply: High-voltage supply for PLLE (shared with USB3). - Must supply 3.3 V. - vddio-pex-ctl-supply: Power supply for PCIe control I/O partition. Must supply 1.8 V. |