linux-kernel - [PATCH v1 3/4] dt-bindings: pinctrl: mt8192: Add mediatek,pull-up-adv property

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Date:   Tue, 15 Mar 2022 17:19:35 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH v1 3/4] dt-bindings: pinctrl: mt8192: Add mediatek,pull-up-adv property

Add the mediatek,pull-up-adv property to the pinctrl-mt8192 dt-binding
to allow configuring pull-up resistors on the pins of MT8192. It is the
same as in mt8183-pinctrl.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---

 .../devicetree/bindings/pinctrl/pinctrl-mt8192.yaml   | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml
index b52d8d0eb2d0..e27cbcc6e8f9 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml
@@ -104,6 +104,17 @@ patternProperties:
             $ref: /schemas/types.yaml#/definitions/uint32
             enum: [0, 1, 2, 3, 4, 5, 6, 7]
 
+          mediatek,pull-up-adv:
+            description: |
+              Pull up settings for 2 pull resistors, R0 and R1. User can
+              configure those special pins. Valid arguments are described as below:
+              0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
+              1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
+              2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
+              3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
+            $ref: /schemas/types.yaml#/definitions/uint32
+            enum: [0, 1, 2, 3]
+
           bias-pull-down: true
 
           bias-pull-up: true
-- 
2.35.1