Re: [PATCH v2 2/4] regulator: dt-bindings: nvidia,tegra-regulators-coupling: Convert to DT schema

From: Rob Herring

Date: Fri Sep 18 2026 - 15:08:51 EST


On Wed, Sep 16, 2026 at 06:41:27PM +0530, Bhargav Joshi wrote:
> Convert NVIDIA Tegra Regulators Coupling from legacy text to DT schema.
> Set additionalProperties true as this is shared schema.
>
> Signed-off-by: Bhargav Joshi <j.bhargav.u@xxxxxxxxx>
> ---
> .../regulator/nvidia,tegra-regulators-coupling.txt | 65 ------------------
> .../nvidia,tegra-regulators-coupling.yaml | 76 ++++++++++++++++++++++
> 2 files changed, 76 insertions(+), 65 deletions(-)


> diff --git a/Documentation/devicetree/bindings/regulator/nvidia,tegra-regulators-coupling.yaml b/Documentation/devicetree/bindings/regulator/nvidia,tegra-regulators-coupling.yaml
> new file mode 100644
> index 000000000000..248cc98b6af1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/nvidia,tegra-regulators-coupling.yaml
> @@ -0,0 +1,76 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/nvidia,tegra-regulators-coupling.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NVIDIA Tegra Regulators Coupling
> +
> +description:

Separate paragraphs need '>'

> + NVIDIA Tegra SoC's have a mandatory voltage-coupling between regulators. Thus
> + on Tegra20 there are 3 coupled regulators and on NVIDIA Tegra30 there are 2.
> +
> + Tegra20 voltage coupling On Tegra20 SoC's - there are 3 coupled
> + regulators:CORE, RTC and CPU. The CORE and RTC voltages shall be in a range
> + of 170mV from each other and they both shall be higher than the CPU voltage
> + by at least 120mV.
> +
> + Tegra30 voltage coupling On Tegra30 SoC's - there are 2 coupled
> + regulators:CORE and CPU. The CORE and CPU voltages shall be in a range of
> + 300mV from each other and CORE voltage shall be higher than the CPU by N mV,
> + where N depends on the CPU voltage.
> +