Commit e66e66f1 authored by Sam Shih's avatar Sam Shih Committed by Linus Walleij
Browse files

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: default avatarSam Shih <sam.shih@mediatek.com>
Signed-off-by: default avatarFrank Wunderlich <frank-w@public-files.de>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221106080114.7426-4-linux@fw-web.de


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent c115e7f5

Documentation/devicetree/bindings/pinctrl/mediatek,mt7986-pinctrl.yaml

+47 −3
Original line number Diff line number Diff line
@@ -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 */

          };

        };



      };

    };