Commit 725933a5 authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Geert Uytterhoeven
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pinctrl: renesas: rzg2l: Add support for configuring schmitt-trigger 



Add support for configuring the multiplexed pins as schmitt-trigger
inputs.

Signed-off-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Tested-by: default avatarClaudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://lore.kernel.org/20241004123658.764557-4-prabhakar.mahadev-lad.rj@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 9d75b700

drivers/pinctrl/renesas/pinctrl-rzg2l.c

+18 −0
Original line number Diff line number Diff line
@@ -140,6 +140,7 @@ 
#define PUPD(off)		(0x1C00 + (off) * 8)

#define ISEL(off)		(0x2C00 + (off) * 8)

#define NOD(off)		(0x3000 + (off) * 8)

#define SMT(off)		(0x3400 + (off) * 8)

#define SD_CH(off, ch)		((off) + (ch) * 4)

#define ETH_POC(off, ch)	((off) + (ch) * 4)

#define QSPI			(0x3008)
@@ -162,6 +163,7 @@ 
#define SR_MASK			0x01

#define PUPD_MASK		0x03

#define NOD_MASK		0x01

#define SMT_MASK		0x01



#define PM_INPUT		0x1

#define PM_OUTPUT		0x2
@@ -1352,6 +1354,15 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, 
			return -EINVAL;

		break;



	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:

		if (!(cfg & PIN_CFG_SMT))

			return -EINVAL;



		arg = rzg2l_read_pin_config(pctrl, SMT(off), bit, SMT_MASK);

		if (!arg)

			return -EINVAL;

		break;



	case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE:

		if (!(cfg & PIN_CFG_IOLH_RZV2H))

			return -EINVAL;
@@ -1490,6 +1501,13 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, 
					     param == PIN_CONFIG_DRIVE_OPEN_DRAIN ? 1 : 0);

			break;



		case PIN_CONFIG_INPUT_SCHMITT_ENABLE:

			if (!(cfg & PIN_CFG_SMT))

				return -EINVAL;



			rzg2l_rmw_pin_config(pctrl, SMT(off), bit, SMT_MASK, arg);

			break;



		case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE:

			if (!(cfg & PIN_CFG_IOLH_RZV2H))

				return -EINVAL;