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authorSam Shih <sam.shih@mediatek.com>2022-11-06 09:01:10 +0100
committerLinus Walleij <linus.walleij@linaro.org>2022-11-10 09:19:42 +0100
commite66e66f17ea8b230a2ab2571582a15ad739f2da2 (patch)
tree0fa7f5afc76a796163ba9c03752390c1fb68c425 /Documentation/devicetree/bindings/pinctrl
parentc115e7f51e685536ecb885854bdd4b3f225ff3e4 (diff)
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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.yaml50
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 */
+ };
+ };
+
};
};