ITE drivers/pinctrl/it8xxx2: add default mode function

Add default mode function for pin control.

Signed-off-by: Ruibin Chang <[email protected]>

Author: RuibinChang

drivers/pinctrl/pinctrl_ite_it8xxx2.c

@@ -249,8 +249,19 @@ static int pinctrl_kscan_it8xxx2_configure_pins(const pinctrl_soc_pin_t *pins)
 		return -EINVAL;
 	}
 
-	/* Set a pin of KSI[7:0]/KSO[15:0] to kbs mode */
-	*reg_gctrl &= ~pin_mask;
+	switch (pins->alt_func) {
+	case IT8XXX2_ALT_FUNC_1:
+		/* Set a pin of KSI[7:0]/KSO[15:0] to kbs mode */
+		*reg_gctrl &= ~pin_mask;
+		break;
+	case IT8XXX2_ALT_DEFAULT:
+		/* Set a pin of KSI[7:0]/KSO[15:0] to gpio mode */
+		*reg_gctrl |= pin_mask;
+		break;
+	default:
+		LOG_ERR("Alternate function not supported");
+		return -ENOTSUP;
+	}
 
 	return 0;
 }

dts/riscv/ite/it8xxx2-pinctrl-map.dtsi

@@ -211,6 +211,86 @@
 		bias-pull-up;
 	};
 
+	/* Keyboard sleep function */
+	ksi0_sleep: ksi0_sleep {
+		pinmuxs = <&pinctrlksi 0 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi1_sleep: ksi1_sleep {
+		pinmuxs = <&pinctrlksi 1 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi2_sleep: ksi2_sleep {
+		pinmuxs = <&pinctrlksi 2 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi3_sleep: ksi3_sleep {
+		pinmuxs = <&pinctrlksi 3 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi4_sleep: ksi4_sleep {
+		pinmuxs = <&pinctrlksi 4 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi5_sleep: ksi5_sleep {
+		pinmuxs = <&pinctrlksi 5 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi6_sleep: ksi6_sleep {
+		pinmuxs = <&pinctrlksi 6 IT8XXX2_ALT_DEFAULT>;
+	};
+	ksi7_sleep: ksi7_sleep {
+		pinmuxs = <&pinctrlksi 7 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso0_sleep: kso0_sleep {
+		pinmuxs = <&pinctrlksol 0 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso1_sleep: kso1_sleep {
+		pinmuxs = <&pinctrlksol 1 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso2_sleep: kso2_sleep {
+		pinmuxs = <&pinctrlksol 2 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso3_sleep: kso3_sleep {
+		pinmuxs = <&pinctrlksol 3 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso4_sleep: kso4_sleep {
+		pinmuxs = <&pinctrlksol 4 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso5_sleep: kso5_sleep {
+		pinmuxs = <&pinctrlksol 5 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso6_sleep: kso6_sleep {
+		pinmuxs = <&pinctrlksol 6 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso7_sleep: kso7_sleep {
+		pinmuxs = <&pinctrlksol 7 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso8_sleep: kso8_sleep {
+		pinmuxs = <&pinctrlksoh 0 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso9_sleep: kso9_sleep {
+		pinmuxs = <&pinctrlksoh 1 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso10_sleep: kso10_sleep {
+		pinmuxs = <&pinctrlksoh 2 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso11_sleep: kso11_sleep {
+		pinmuxs = <&pinctrlksoh 3 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso12_sleep: kso12_sleep {
+		pinmuxs = <&pinctrlksoh 4 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso13_sleep: kso13_sleep {
+		pinmuxs = <&pinctrlksoh 5 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso14_sleep: kso14_sleep {
+		pinmuxs = <&pinctrlksoh 6 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso15_sleep: kso15_sleep {
+		pinmuxs = <&pinctrlksoh 7 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso16_gpc3_sleep: kso16_gpc3_sleep {
+		pinmuxs = <&pinctrlc 3 IT8XXX2_ALT_DEFAULT>;
+	};
+	kso17_gpc5_sleep: kso17_gpc5_sleep {
+		pinmuxs = <&pinctrlc 5 IT8XXX2_ALT_DEFAULT>;
+	};
+
 	/* PECI alternate function */
 	peci_gpf6_default: peci_gpf6_default {
 		pinmuxs = <&pinctrlf 6 IT8XXX2_ALT_FUNC_3>;