This Linux kernel change "dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop" is included in the Linux 5.3 release. This change is authored by Manikanta Maddireddy <mmaddireddy [at] nvidia.com> on Tue Jun 18 23:32:01 2019 +0530. The commit for this change in Linux stable tree is 5992b04 (patch).
dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop Document PCIe DPD pinctrl optional property to put PEX clk & BIAS pads in low power mode. Signed-off-by: Manikanta Maddireddy <email@example.com> Signed-off-by: Lorenzo Pieralisi <firstname.lastname@example.org> Reviewed-by: Rob Herring <email@example.com> Acked-by: Thierry Reding <firstname.lastname@example.org>
There are 8 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.
Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt index 145a4f0..7939bca 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt @@ -65,6 +65,14 @@ Required properties: - afi - pcie_x +Optional properties: +- pinctrl-names: A list of pinctrl state names. Must contain the following + entries: + - "default": active state, puts PCIe I/O out of deep power down state + - "idle": puts PCIe I/O into deep power down state +- pinctrl-0: phandle for the default/active state of pin configurations. +- pinctrl-1: phandle for the idle state of pin configurations. + Required properties on Tegra124 and later (deprecated): - phys: Must contain an entry for each entry in phy-names. - phy-names: Must include the following entries: