sprd,sc9860-pinctrl.txt

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    1 * Spreadtrum SC9860 Pin Controller
    2 
    3 Please refer to sprd,pinctrl.txt in this directory for common binding part
    4 and usage.
    5 
    6 Required properties:
    7 - compatible: Must be "sprd,sc9860-pinctrl".
    8 - reg: The register address of pin controller device.
    9 - pins : An array of strings, each string containing the name of a pin.
   10 
   11 Optional properties:
   12 - function: A string containing the name of the function, values must be
   13   one of: "func1", "func2", "func3" and "func4".
   14 - drive-strength: Drive strength in mA. Supported values: 2, 4, 6, 8, 10,
   15   12, 14, 16, 20, 21, 24, 25, 27, 29, 31 and 33.
   16 - input-schmitt-disable: Enable schmitt-trigger mode.
   17 - input-schmitt-enable: Disable schmitt-trigger mode.
   18 - bias-disable: Disable pin bias.
   19 - bias-pull-down: Pull down on pin.
   20 - bias-pull-up: Pull up on pin. Supported values: 20000 for pull-up resistor
   21   is 20K and 4700 for pull-up resistor is 4.7K.
   22 - input-enable: Enable pin input.
   23 - input-disable: Enable pin output.
   24 - output-high: Set the pin as an output level high.
   25 - output-low: Set the pin as an output level low.
   26 - sleep-hardware-state: Indicate these configs in this state are sleep related.
   27 - sprd,control: Control values referring to databook for global control pins.
   28 - sprd,sleep-mode: Choose the pin sleep mode, and supported values are:
   29   AP_SLEEP, PUBCP_SLEEP, TGLDSP_SLEEP and AGDSP_SLEEP.
   30 
   31 Pin sleep mode definition:
   32 enum pin_sleep_mode {
   33         AP_SLEEP = BIT(0),
   34         PUBCP_SLEEP = BIT(1),
   35         TGLDSP_SLEEP = BIT(2),
   36         AGDSP_SLEEP = BIT(3),
   37 };
   38 
   39 Example:
   40 pin_controller: pinctrl@402a0000 {
   41         compatible = "sprd,sc9860-pinctrl";
   42         reg = <0x402a0000 0x10000>;
   43 
   44         grp1: sd0 {
   45                 pins = "SC9860_VIO_SD2_IRTE", "SC9860_VIO_SD0_IRTE";
   46                 sprd,control = <0x1>;
   47         };
   48 
   49         grp2: rfctl_33 {
   50                 pins = "SC9860_RFCTL33";
   51                 function = "func2";
   52                 sprd,sleep-mode = <AP_SLEEP | PUBCP_SLEEP>;
   53                 grp2_sleep_mode: rfctl_33_sleep {
   54                         pins = "SC9860_RFCTL33";
   55                         sleep-hardware-state;
   56                         output-low;
   57                 }
   58         };
   59 
   60         grp3: rfctl_misc_20 {
   61                 pins = "SC9860_RFCTL20_MISC";
   62                 drive-strength = <10>;
   63                 bias-pull-up = <4700>;
   64                 grp3_sleep_mode: rfctl_misc_sleep {
   65                         pins = "SC9860_RFCTL20_MISC";
   66                         sleep-hardware-state;
   67                         bias-pull-up;
   68                 }
   69         };
   70 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pinctrl/sprd,sc9860-pinctrl.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pinctrl/sprd,sc9860-pinctrl.txt