diff mbox series

[V2,23/28] dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop

Message ID 20190423092825.759-24-mmaddireddy@nvidia.com
State Superseded
Delegated to: Lorenzo Pieralisi
Headers show
Series Enable Tegra PCIe root port features | expand

Commit Message

Manikanta Maddireddy April 23, 2019, 9:28 a.m. UTC
Document PCIe DPD pinctrl optional property to put PEX clk & BIAS pads
in low power mode.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
---
V2: Using standard pinctrl names, default and idle

 .../devicetree/bindings/pci/nvidia,tegra20-pcie.txt       | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Rob Herring May 1, 2019, 7:52 p.m. UTC | #1
On Tue, 23 Apr 2019 14:58:20 +0530, Manikanta Maddireddy wrote:
> Document PCIe DPD pinctrl optional property to put PEX clk & BIAS pads
> in low power mode.
> 
> Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
> ---
> V2: Using standard pinctrl names, default and idle
> 
>  .../devicetree/bindings/pci/nvidia,tegra20-pcie.txt       | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
Thierry Reding May 9, 2019, 2:34 p.m. UTC | #2
On Tue, Apr 23, 2019 at 02:58:20PM +0530, Manikanta Maddireddy wrote:
> Document PCIe DPD pinctrl optional property to put PEX clk & BIAS pads
> in low power mode.
> 
> Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
> ---
> V2: Using standard pinctrl names, default and idle
> 
>  .../devicetree/bindings/pci/nvidia,tegra20-pcie.txt       | 8 ++++++++
>  1 file changed, 8 insertions(+)

Acked-by: Thierry Reding <treding@nvidia.com>

> 
> diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
> index 145a4f04194f..7939bca47861 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:
> -- 
> 2.17.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
index 145a4f04194f..7939bca47861 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: