162306a36Sopenharmony_ci* Spreadtrum SC9860 Pin Controller 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciPlease refer to sprd,pinctrl.txt in this directory for common binding part 462306a36Sopenharmony_ciand usage. 562306a36Sopenharmony_ci 662306a36Sopenharmony_ciRequired properties: 762306a36Sopenharmony_ci- compatible: Must be "sprd,sc9860-pinctrl". 862306a36Sopenharmony_ci- reg: The register address of pin controller device. 962306a36Sopenharmony_ci- pins : An array of strings, each string containing the name of a pin. 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ciOptional properties: 1262306a36Sopenharmony_ci- function: A string containing the name of the function, values must be 1362306a36Sopenharmony_ci one of: "func1", "func2", "func3" and "func4". 1462306a36Sopenharmony_ci- drive-strength: Drive strength in mA. Supported values: 2, 4, 6, 8, 10, 1562306a36Sopenharmony_ci 12, 14, 16, 20, 21, 24, 25, 27, 29, 31 and 33. 1662306a36Sopenharmony_ci- input-schmitt-disable: Enable schmitt-trigger mode. 1762306a36Sopenharmony_ci- input-schmitt-enable: Disable schmitt-trigger mode. 1862306a36Sopenharmony_ci- bias-disable: Disable pin bias. 1962306a36Sopenharmony_ci- bias-pull-down: Pull down on pin. 2062306a36Sopenharmony_ci- bias-pull-up: Pull up on pin. Supported values: 20000 for pull-up resistor 2162306a36Sopenharmony_ci is 20K and 4700 for pull-up resistor is 4.7K. 2262306a36Sopenharmony_ci- input-enable: Enable pin input. 2362306a36Sopenharmony_ci- input-disable: Enable pin output. 2462306a36Sopenharmony_ci- output-high: Set the pin as an output level high. 2562306a36Sopenharmony_ci- output-low: Set the pin as an output level low. 2662306a36Sopenharmony_ci- sleep-hardware-state: Indicate these configs in this state are sleep related. 2762306a36Sopenharmony_ci- sprd,control: Control values referring to databook for global control pins. 2862306a36Sopenharmony_ci- sprd,sleep-mode: Choose the pin sleep mode, and supported values are: 2962306a36Sopenharmony_ci AP_SLEEP, PUBCP_SLEEP, TGLDSP_SLEEP and AGDSP_SLEEP. 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciPin sleep mode definition: 3262306a36Sopenharmony_cienum pin_sleep_mode { 3362306a36Sopenharmony_ci AP_SLEEP = BIT(0), 3462306a36Sopenharmony_ci PUBCP_SLEEP = BIT(1), 3562306a36Sopenharmony_ci TGLDSP_SLEEP = BIT(2), 3662306a36Sopenharmony_ci AGDSP_SLEEP = BIT(3), 3762306a36Sopenharmony_ci}; 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ciExample: 4062306a36Sopenharmony_cipin_controller: pinctrl@402a0000 { 4162306a36Sopenharmony_ci compatible = "sprd,sc9860-pinctrl"; 4262306a36Sopenharmony_ci reg = <0x402a0000 0x10000>; 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci grp1: sd0 { 4562306a36Sopenharmony_ci pins = "SC9860_VIO_SD2_IRTE", "SC9860_VIO_SD0_IRTE"; 4662306a36Sopenharmony_ci sprd,control = <0x1>; 4762306a36Sopenharmony_ci }; 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci grp2: rfctl_33 { 5062306a36Sopenharmony_ci pins = "SC9860_RFCTL33"; 5162306a36Sopenharmony_ci function = "func2"; 5262306a36Sopenharmony_ci sprd,sleep-mode = <AP_SLEEP | PUBCP_SLEEP>; 5362306a36Sopenharmony_ci grp2_sleep_mode: rfctl_33_sleep { 5462306a36Sopenharmony_ci pins = "SC9860_RFCTL33"; 5562306a36Sopenharmony_ci sleep-hardware-state; 5662306a36Sopenharmony_ci output-low; 5762306a36Sopenharmony_ci } 5862306a36Sopenharmony_ci }; 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ci grp3: rfctl_misc_20 { 6162306a36Sopenharmony_ci pins = "SC9860_RFCTL20_MISC"; 6262306a36Sopenharmony_ci drive-strength = <10>; 6362306a36Sopenharmony_ci bias-pull-up = <4700>; 6462306a36Sopenharmony_ci grp3_sleep_mode: rfctl_misc_sleep { 6562306a36Sopenharmony_ci pins = "SC9860_RFCTL20_MISC"; 6662306a36Sopenharmony_ci sleep-hardware-state; 6762306a36Sopenharmony_ci bias-pull-up; 6862306a36Sopenharmony_ci } 6962306a36Sopenharmony_ci }; 7062306a36Sopenharmony_ci}; 71