Re: [RFC PATCH 3/3] arm64: tegra210: Add XUSB powergates

From: Jon Hunter
Date: Wed Jun 29 2016 - 11:30:21 EST



On 28/06/16 12:20, Jon Hunter wrote:
> The Tegra210 XUSB subsystem has 3 power partitions which are XUSBA
> (super-speed logic), XUSBB (USB device logic) and XUSBC (USB host
> logic). Populate the device-tree nodes for these XUSB partitions.
>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/nvidia/tegra210.dtsi | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> index 65b829b762bb..efb0fd98b789 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> @@ -670,6 +670,30 @@
> <&tegra_car TEGRA210_CLK_MIPI_CAL>;
> #power-domain-cells = <0>;
> };
> +
> + pd_xusbss: xusba {
> + clocks = <&tegra_car TEGRA210_CLK_XUSB_SS>;
> + clock-names = "xusb_ss";
> + resets = <&tegra_car TEGRA210_CLK_XUSB_SS>;
> + reset-names = "xusb_ss";
> + #power-domain-cells = <0>;
> + };
> +
> + pd_xusbdev: xusbb {
> + clocks = <&tegra_car TEGRA210_CLK_XUSB_DEV>;
> + clock-names = "xusb_dev";
> + resets = <&tegra_car 95>;
> + reset-names = "xusb_dev";
> + #power-domain-cells = <0>;
> + };
> +
> + pd_xusbhost: xusbc {
> + clocks = <&tegra_car TEGRA210_CLK_XUSB_HOST>;
> + clock-names = "xusb_host";
> + resets = <&tegra_car TEGRA210_CLK_XUSB_HOST>;
> + reset-names = "xusb_host";
> + #power-domain-cells = <0>;
> + };
> };
> };

The 'clock-names' and 'reset-names' nodes are not used/required and so I
will remove these.

Jon

--
nvpublic