pinctrl: sh-pfc: r8a7795: add support for voltage switching
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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@ -17,8 +17,12 @@
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PORT_GP_CFG_16(0, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_28(1, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_15(2, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_16(3, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_18(4, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_12(3, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH | SH_PFC_PIN_CFG_IO_VOLTAGE), \
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PORT_GP_CFG_1(3, 12, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_1(3, 13, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_1(3, 14, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_1(3, 15, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_18(4, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH | SH_PFC_PIN_CFG_IO_VOLTAGE), \
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PORT_GP_CFG_26(5, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_32(6, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH), \
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PORT_GP_CFG_4(7, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH)
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@ -4765,8 +4769,28 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = {
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{ },
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};
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static int r8a7795_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
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{
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int bit = -EINVAL;
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*pocctrl = 0xe6060380;
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if (pin >= RCAR_GP_PIN(3, 0) && pin <= RCAR_GP_PIN(3, 11))
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bit = pin & 0x1f;
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if (pin >= RCAR_GP_PIN(4, 0) && pin <= RCAR_GP_PIN(4, 17))
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bit = (pin & 0x1f) + 12;
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return bit;
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}
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static const struct sh_pfc_soc_operations r8a7795_pinmux_ops = {
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.pin_to_pocctrl = r8a7795_pin_to_pocctrl,
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};
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const struct sh_pfc_soc_info r8a7795_pinmux_info = {
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.name = "r8a77950_pfc",
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.ops = &r8a7795_pinmux_ops,
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.unlock_reg = 0xe6060000, /* PMMR */
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.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
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