Messages in this thread Patch in this message | | | From | John Crispin <> | Subject | [PATCH V4 10/11] soc: mediatek: PMIC wrap: add mt6323 slave support | Date | Wed, 27 Jan 2016 12:29:08 +0100 |
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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> --- drivers/soc/mediatek/mtk-pmic-wrap.c | 46 ++++++++++++++++++++++++++++++++-- 1 file changed, 44 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index d3436c3..793b194 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -91,6 +91,31 @@ enum dew_regs { PWRAP_DEW_CIPHER_RDY, PWRAP_DEW_CIPHER_MODE, PWRAP_DEW_CIPHER_SWRST, + + /* MT6323 only regs */ + PWRAP_DEW_CRC_SWRST, + PWRAP_DEW_CIPHER_EN, + PWRAP_DEW_RDDMY_NO, + PWRAP_DEW_RDATA_DLY_SEL, +}; + +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_SWRST] = 0x0190, + [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, + [PWRAP_DEW_RDATA_DLY_SEL] = 0x01a6, }; static const u32 mt6397_regs[] = { @@ -369,6 +394,7 @@ static int mt8135_regs[] = { }; enum pmic_type { + PMIC_MT6323, PMIC_MT6397, }; @@ -664,8 +690,16 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_SWRST, 0x0); pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_KEY_SEL, 0x1); pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_IV_SEL, 0x2); - pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_LOAD, 0x1); - pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_START, 0x1); + + switch (wrp->slave->type) { + case PMIC_MT6397: + pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_LOAD, 0x1); + pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_START, 0x1); + break; + case PMIC_MT6323: + pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_EN, 0x1); + break; + } /* wait for cipher data ready@AP */ ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready); @@ -858,6 +892,11 @@ 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 +904,9 @@ 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, }, { -- 1.7.10.4
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