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pinctrl: renesas: Add POCCTRL handling to r8a77990

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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>
This commit is contained in:
Marek Vasut 2018-10-31 20:34:51 +01:00 • committed by Marek Vasut
parent 0ff9e4800f
commit 5dbdd3a600
1 changed files with 32 additions and 2 deletions
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34
drivers/pinctrl/renesas/pfc-r8a77990.c
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@ -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),