Re: [PATCH v4 10/16] dt-bindings: phy: tegra-xusb: Add nvidia,pmc prop

From: Rob Herring
Date: Mon Oct 19 2020 - 17:40:51 EST


On Fri, Oct 16, 2020 at 09:07:20PM +0800, JC Kuo wrote:
> This commit describes the "nvidia,pmc" property for Tegra210 tegra-xusb
> PHY driver. It is a phandle and specifier referring to the Tegra210
> pmc@7000e400 node.
>
> Signed-off-by: JC Kuo <jckuo@xxxxxxxxxx>
> ---
> v4:
> new change to document "nvidia,pmc" prop
>
> .../devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
> index 38c5fa21f435..ea559baeb546 100644
> --- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
> +++ b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
> @@ -54,6 +54,7 @@ For Tegra210:
> - avdd-pll-uerefe-supply: PLLE reference PLL power supply. Must supply 1.05 V.
> - dvdd-pex-pll-supply: PCIe/USB3 PLL power supply. Must supply 1.05 V.
> - hvdd-pex-pll-e-supply: High-voltage PLLE power supply. Must supply 1.8 V.
> +- nvidia,pmc: phandle and specifier referring to the Tegra210 pmc@7000e400 node.

'Tegra210 pmc@7000e400' is kind of specific. Going to update this for
every address and chip?

If there's only one PMC, you can just find the compatible PMC node. Then
you don't need a DT update.

Rob