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dt-bindings: pinctrl: mt7986: add generic bias-pull* support

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Since the bias-pull-{up,down} attribute already defines in pinctrl driver
of mediatek MT7986 SoC, this patch updates bindings to support mediatek
common bias-pull* function.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221106080114.7426-4-linux@fw-web.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Sam Shih 2022-11-06 09:01:10 +01:00 committed by Linus Walleij
parent c115e7f51e
commit e66e66f17e
1 changed files with 46 additions and 2 deletions
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48
Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml
View File

@ -292,9 +292,23 @@ patternProperties:
bias-disable: true
bias-pull-up: true
bias-pull-up:
oneOf:
- type: boolean
description: normal pull up.
- enum: [100, 101, 102, 103]
description: |
PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0 defines in
dt-bindings/pinctrl/mt65xx.h.
bias-pull-down: true
bias-pull-down:
oneOf:
- type: boolean
description: normal pull down.
- enum: [100, 101, 102, 103]
description: |
PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0 defines in
dt-bindings/pinctrl/mt65xx.h.
input-enable: true
@ -346,6 +360,7 @@ examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/pinctrl/mt65xx.h>
soc {
#address-cells = <2>;
@ -412,5 +427,34 @@ examples:
};
};
mmc0_pins_default: mmc0-pins {
mux {
function = "emmc";
groups = "emmc_51";
};
conf-cmd-dat {
pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
"EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
"EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
input-enable;
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
conf-clk {
pins = "EMMC_CK";
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-ds {
pins = "EMMC_DSL";
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-rst {
pins = "EMMC_RSTB";
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
};
};
};