[PATCH v2 2/2] dt-bindings: pinctrl: mt8186: Add and use drive-strength-microamp

From: Allen-KH Cheng
Date: Mon Jul 25 2022 - 07:07:26 EST


Commit e5fabbe43f3f ("pinctrl: mediatek: paris: Support generic
PIN_CONFIG_DRIVE_STRENGTH_UA") added support for using
drive-strength-microamp instead of mediatek,drive-strength-adv.

Similarly to the mt8192 and mt8195, there's no user of property
'mediatek,drive-strength-adv', hence removing it is safe.

Fixes: 338e953f1bd1 ("dt-bindings: pinctrl: mt8186: add pinctrl file and binding document")
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
.../bindings/pinctrl/pinctrl-mt8186.yaml | 29 ++-----------------
1 file changed, 3 insertions(+), 26 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml
index 6784885edc5c..1eeb885ce0c6 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml
@@ -107,31 +107,8 @@ patternProperties:
drive-strength:
enum: [2, 4, 6, 8, 10, 12, 14, 16]

- mediatek,drive-strength-adv:
- description: |
- Describe the specific driving setup property.
- For I2C pins, the existing generic driving setup can only support
- 2/4/6/8/10/12/14/16mA driving. But in specific driving setup, they
- can support 0.125/0.25/0.5/1mA adjustment. If we enable specific
- driving setup, the existing generic setup will be disabled.
- The specific driving setup is controlled by E1E0EN.
- When E1=0/E0=0, the strength is 0.125mA.
- When E1=0/E0=1, the strength is 0.25mA.
- When E1=1/E0=0, the strength is 0.5mA.
- When E1=1/E0=1, the strength is 1mA.
- EN is used to enable or disable the specific driving setup.
- Valid arguments are described as below:
- 0: (E1, E0, EN) = (0, 0, 0)
- 1: (E1, E0, EN) = (0, 0, 1)
- 2: (E1, E0, EN) = (0, 1, 0)
- 3: (E1, E0, EN) = (0, 1, 1)
- 4: (E1, E0, EN) = (1, 0, 0)
- 5: (E1, E0, EN) = (1, 0, 1)
- 6: (E1, E0, EN) = (1, 1, 0)
- 7: (E1, E0, EN) = (1, 1, 1)
- So the valid arguments are from 0 to 7.
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [0, 1, 2, 3, 4, 5, 6, 7]
+ drive-strength-microamp:
+ enum: [125, 250, 500, 1000]

bias-pull-down:
oneOf:
@@ -293,7 +270,7 @@ examples:
pinmux = <PINMUX_GPIO127__FUNC_SCL0>,
<PINMUX_GPIO128__FUNC_SDA0>;
bias-pull-up = <MTK_PULL_SET_RSEL_001>;
- mediatek,drive-strength-adv = <7>;
+ drive-strength-microamp = <1000>;
};
};
};
--
2.18.0