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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: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
hifive-unleashed-5.1
John Crispin 2016-02-19 09:44:14 +01:00 committed by Matthias Brugger
parent b28d78cd18
commit 5ae48040aa
1 changed files with 43 additions and 0 deletions
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43
drivers/soc/mediatek/mtk-pmic-wrap.c
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@ -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,
}, {