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From:   Alexandre Mergnat <amergnat@baylibre.com>
Date:   Wed, 29 Mar 2023 10:54:23 +0200
Subject: [PATCH v3 02/17] dt-bindings: pinctrl: mediatek,mt8365-pinctrl:
 add drive strength property
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To:     Wim Van Sebroeck <wim@linux-watchdog.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Chaotian Jing <chaotian.jing@mediatek.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Wenbin Mei <wenbin.mei@mediatek.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Zhiyong Tao <zhiyong.tao@mediatek.com>,
        =?utf-8?q?Bernhard_Rosenkr=C3=A4nzer?= <bero@baylibre.com>
Cc:     linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-mmc@vger.kernel.org,
        linux-gpio@vger.kernel.org,
        Alexandre Bailon <abailon@baylibre.com>,
        Fabien Parent <fparent@baylibre.com>,
        Amjad Ouled-Ameur <aouledameur@baylibre.com>,
        Alexandre Mergnat <amergnat@baylibre.com>
Precedence: bulk

This SoC is able to drive the following output current:
- 2 mA
- 4 mA
- 6 mA
- 8 mA
- 10 mA
- 12 mA
- 14 mA
- 16 mA

Then drive-strength property is set with enum to reflect its HW capability.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml
index 4b96884a1afc..101871ec6693 100644
--- a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml
@@ -79,6 +79,9 @@ patternProperties:
 
           bias-pull-down: true
 
+          drive-strength:
+            enum: [2, 4, 6, 8, 10, 12, 14, 16]
+
           input-enable: true
 
           input-disable: true

-- 
2.25.1