Add definition of the POCCTRL register and bits therein to R8A77990 E3 pincontrol driver. This allows the pincontrol driver to configure SDHI pin voltage according to power-source DT property.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org --- drivers/pinctrl/renesas/pfc-r8a77990.c | 34 ++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/renesas/pfc-r8a77990.c b/drivers/pinctrl/renesas/pfc-r8a77990.c index a99fd770f2..78bf3193d5 100644 --- a/drivers/pinctrl/renesas/pfc-r8a77990.c +++ b/drivers/pinctrl/renesas/pfc-r8a77990.c @@ -26,12 +26,12 @@ PORT_GP_18(0, fn, sfx), \ PORT_GP_23(1, fn, sfx), \ PORT_GP_26(2, fn, sfx), \ - PORT_GP_12(3, fn, sfx), \ + PORT_GP_CFG_12(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ PORT_GP_1(3, 12, fn, sfx), \ PORT_GP_1(3, 13, fn, sfx), \ PORT_GP_1(3, 14, fn, sfx), \ PORT_GP_1(3, 15, fn, sfx), \ - PORT_GP_11(4, fn, sfx), \ + PORT_GP_CFG_11(4, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ PORT_GP_20(5, fn, sfx), \ PORT_GP_18(6, fn, sfx) /* @@ -5151,8 +5151,37 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = { { }, };
+enum ioctrl_regs { + POCCTRL, +}; + +static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = { + [POCCTRL] = { 0xe6060380, }, + { /* sentinel */ }, +}; + +static int r8a77990_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl) +{ + int bit = -EINVAL; + + *pocctrl = pinmux_ioctrl_regs[POCCTRL].reg; + + if (pin >= RCAR_GP_PIN(3, 0) && pin <= RCAR_GP_PIN(3, 11)) + bit = pin & 0x1f; + + if (pin >= RCAR_GP_PIN(4, 0) && pin <= RCAR_GP_PIN(4, 10)) + bit = (pin & 0x1f) + 19; + + return bit; +} + +static const struct sh_pfc_soc_operations r8a77990_pinmux_ops = { + .pin_to_pocctrl = r8a77990_pin_to_pocctrl, +}; + const struct sh_pfc_soc_info r8a77990_pinmux_info = { .name = "r8a77990_pfc", + .ops = &r8a77990_pinmux_ops, .unlock_reg = 0xe6060000, /* PMMR */
.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END }, @@ -5165,6 +5194,7 @@ const struct sh_pfc_soc_info r8a77990_pinmux_info = { .nr_functions = ARRAY_SIZE(pinmux_functions),
.cfg_regs = pinmux_config_regs, + .ioctrl_regs = pinmux_ioctrl_regs,
.pinmux_data = pinmux_data, .pinmux_data_size = ARRAY_SIZE(pinmux_data),