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Commit e9eace32 authored by Wolfram Sang's avatar Wolfram Sang Committed by Geert Uytterhoeven
Browse files

pinctrl: sh-pfc: r8a7795: add support for voltage switching 



Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 8775306d

drivers/pinctrl/sh-pfc/pfc-r8a7795.c

+26 −2
Original line number Diff line number Diff line
@@ -17,8 +17,12 @@ 
	PORT_GP_CFG_16(0, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_28(1, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_15(2, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_16(3, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_18(4, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_12(3, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH | SH_PFC_PIN_CFG_IO_VOLTAGE),	\

	PORT_GP_CFG_1(3, 12, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_1(3, 13, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_1(3, 14, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_1(3, 15, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_18(4, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH | SH_PFC_PIN_CFG_IO_VOLTAGE),	\

	PORT_GP_CFG_26(5, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_32(6, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH),	\

	PORT_GP_CFG_4(7, fn, sfx, SH_PFC_PIN_CFG_DRIVE_STRENGTH)
@@ -4765,8 +4769,28 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = { 
	{ },

};



static int r8a7795_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)

{

	int bit = -EINVAL;



	*pocctrl = 0xe6060380;



	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, 17))

		bit = (pin & 0x1f) + 12;



	return bit;

}



static const struct sh_pfc_soc_operations r8a7795_pinmux_ops = {

	.pin_to_pocctrl = r8a7795_pin_to_pocctrl,

};



const struct sh_pfc_soc_info r8a7795_pinmux_info = {

	.name = "r8a77950_pfc",

	.ops = &r8a7795_pinmux_ops,

	.unlock_reg = 0xe6060000, /* PMMR */



	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },