diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2024-10-04 13:36:58 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2024-10-14 10:01:56 +0200 |
| commit | 725933a54f718af5362ec39971b2933d8bdf6994 (patch) | |
| tree | c24fc62fe93b550529836388770cd3c909d012c5 | |
| parent | 9d75b70061917fbfe3247e2594879e5a14d3e24a (diff) | |
pinctrl: renesas: rzg2l: Add support for configuring schmitt-trigger
Add support for configuring the multiplexed pins as schmitt-trigger
inputs.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Claudiu 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: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 8fbb27248160..5eefbace7d91 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -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; |