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author | Sam Shih <sam.shih@mediatek.com> | 2022-11-06 09:01:10 +0100 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2022-11-10 09:19:42 +0100 |
commit | e66e66f17ea8b230a2ab2571582a15ad739f2da2 (patch) | |
tree | 0fa7f5afc76a796163ba9c03752390c1fb68c425 /Documentation/devicetree/bindings/pinctrl | |
parent | c115e7f51e685536ecb885854bdd4b3f225ff3e4 (diff) | |
download | linux-stable-e66e66f17ea8b230a2ab2571582a15ad739f2da2.tar.gz linux-stable-e66e66f17ea8b230a2ab2571582a15ad739f2da2.tar.bz2 linux-stable-e66e66f17ea8b230a2ab2571582a15ad739f2da2.zip |
dt-bindings: pinctrl: mt7986: add generic bias-pull* support
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>
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml index b2b9c01efd70..216b356cd519 100644 --- a/Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml @@ -292,9 +292,23 @@ patternProperties: bias-disable: true - bias-pull-up: true - - bias-pull-down: 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: + 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 */ + }; + }; + }; }; |