Re: [PATCH v2 3/3] pinctrl: renesas: rzg2l: Add support for configuring schmitt-trigger

From: claudiu beznea
Date: Wed Oct 09 2024 - 03:54:13 EST




On 04.10.2024 15:36, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> Add support for configuring the multiplexed pins as schmitt-trigger
> inputs.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Same here:
Tested-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

> ---
v1->v2

> - Included RB tag
> ---
> drivers/pinctrl/renesas/pinctrl-rzg2l.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> index 8d576cc74003..13708c71f938 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
> @@ -1351,6 +1353,15 @@ 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;
> @@ -1489,6 +1500,13 @@ 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;