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Commit 5ae48040 authored by John Crispin's avatar John Crispin Committed by Matthias Brugger
Browse files

soc: mediatek: PMIC wrap: add mt6323 slave support 



Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623
EVB. The only function that we need to touch is pwrap_init_cipher().

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent b28d78cd

drivers/soc/mediatek/mtk-pmic-wrap.c

+43 −0
Original line number Diff line number Diff line
@@ -93,6 +93,27 @@ enum dew_regs { 
	PWRAP_DEW_EVENT_TEST,

	PWRAP_DEW_CIPHER_LOAD,

	PWRAP_DEW_CIPHER_START,



	/* MT6323 only regs */

	PWRAP_DEW_CIPHER_EN,

	PWRAP_DEW_RDDMY_NO,

};



static const u32 mt6323_regs[] = {

	[PWRAP_DEW_BASE] =		0x0000,

	[PWRAP_DEW_DIO_EN] =		0x018a,

	[PWRAP_DEW_READ_TEST] =		0x018c,

	[PWRAP_DEW_WRITE_TEST] =	0x018e,

	[PWRAP_DEW_CRC_EN] =		0x0192,

	[PWRAP_DEW_CRC_VAL] =		0x0194,

	[PWRAP_DEW_MON_GRP_SEL] =	0x0196,

	[PWRAP_DEW_CIPHER_KEY_SEL] =	0x0198,

	[PWRAP_DEW_CIPHER_IV_SEL] =	0x019a,

	[PWRAP_DEW_CIPHER_EN] =		0x019c,

	[PWRAP_DEW_CIPHER_RDY] =	0x019e,

	[PWRAP_DEW_CIPHER_MODE] =	0x01a0,

	[PWRAP_DEW_CIPHER_SWRST] =	0x01a2,

	[PWRAP_DEW_RDDMY_NO] =		0x01a4,

};



static const u32 mt6397_regs[] = {
@@ -371,6 +392,7 @@ static int mt8135_regs[] = { 
};



enum pmic_type {

	PMIC_MT6323,

	PMIC_MT6397,

};
@@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) 
	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1);

	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1);



	switch (wrp->slave->type) {

	case PMIC_MT6397:

		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD],

			    0x1);

		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START],

			    0x1);

		break;

	case PMIC_MT6323:

		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],

			    0x1);

		break;

	}



	/* wait for cipher data ready@AP */

	ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);

	if (ret) {
@@ -858,6 +893,11 @@ static const struct regmap_config pwrap_regmap_config = { 
	.max_register = 0xffff,

};



static const struct pwrap_slv_type pmic_mt6323 = {

	.dew_regs = mt6323_regs,

	.type = PMIC_MT6323,

};



static const struct pwrap_slv_type pmic_mt6397 = {

	.dew_regs = mt6397_regs,

	.type = PMIC_MT6397,
@@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_mt6397 = { 


static const struct of_device_id of_slave_match_tbl[] = {

	{

		.compatible = "mediatek,mt6323",

		.data = &pmic_mt6323,

	}, {

		.compatible = "mediatek,mt6397",

		.data = &pmic_mt6397,

	}, {