Re: [PATCH v2 07/14] dt-bindings: pincfg-node: Add input-voltage-microvolt property
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2026-03-07 12:52:00
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linux-devicetree, linux-gpio, lkml
On Fri, Mar 06, 2026 at 03:52:37PM +0800, Yu-Chun Lin wrote:
From: Tzuyi Chang <redacted> Add a generic pin configuration property "input-voltage-microvolt" to specify the input voltage level of a pin in microvolts.
Why?
quoted hunk ↗ jump to hunk
Signed-off-by: Tzuyi Chang <redacted> Co-developed-by: Yu-Chun Lin <eleanor.lin@realtek.com> Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com> --- Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml | 4 ++++ 1 file changed, 4 insertions(+)diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml index a916d0fc79a9..da182c8a1d00 100644 --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml@@ -162,6 +162,10 @@ properties: this affects the expected delay in ps before latching a value to an output pin. + input-voltage-microvolt: + description: Specifies the input voltage level of the pin in microvolts. + This defines the reference for VIH/VIL.
What is VIH/VIL? Why generic binding would define the voltage of pins for pin control? This patch misses actual background why you are doing it and what sort of common/typical pinctrl setup you describe. Best regards, Krzysztof