linux-kernel - [RFC PATCH 3/4] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add output-impedance property

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Date:   Thu, 30 Sep 2021 13:16:29 +0100
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [RFC PATCH 3/4] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add output-impedance property

RZ/G2L SoC has two groups of pins, Group-A and Group-B. RZ/G2L SoC supports
configuring Output Impedance for Group-B pins (valid values 33/50/66/100).

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 .../devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml      | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
index ef68dabcf4dc..8abdf1e8153f 100644
--- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
@@ -73,6 +73,8 @@ additionalProperties:
         pins: true
         drive-strength:
           enum: [ 2, 4, 8, 12 ]
+        output-impedance:
+          enum: [ 33, 50, 66, 100 ]
         power-source:
           enum: [ 1800, 2500, 3300 ]
         slew-rate: true
-- 
2.17.1