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- From 4418ba9a0bb105f00259d10ceb16f9e27199e9b0 Mon Sep 17 00:00:00 2001
- From: John Crispin <blogic@openwrt.org>
- Date: Wed, 20 Jan 2016 11:40:43 +0100
- Subject: [PATCH 040/102] 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>
- ---
- drivers/soc/mediatek/mtk-pmic-wrap.c | 43 ++++++++++++++++++++++++++++++++++
- 1 file changed, 43 insertions(+)
- --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
- +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
- @@ -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
- 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_
- .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_
-
- static const struct of_device_id of_slave_match_tbl[] = {
- {
- + .compatible = "mediatek,mt6323",
- + .data = &pmic_mt6323,
- + }, {
- .compatible = "mediatek,mt6397",
- .data = &pmic_mt6397,
- }, {
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