[PATCH V2 4/4] soc: mediatek: PMIC wrap: add support for MT7623/6323
John Crispin
blogic at openwrt.org
Sun Jan 10 08:04:44 PST 2016
MT6323 is yet another PMIC made by MTK. This version of the PMIC is used in
combination with MT7623.
Signed-off-by: John Crispin <blogic at openwrt.org>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 176 +++++++++++++++++++++++++++++++++-
1 file changed, 174 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index ceeac3a..556a531 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -52,6 +52,8 @@
#define PWRAP_DEW_WRITE_TEST_VAL 0xa55a
/* macro for manual command */
+#define PWRAP_MAN_CMD_SPI_WRITE_NEW (1 << 14)
+#define PWRAP_MAN_CMD_PMIC_SEL_NEW (1 << 13)
#define PWRAP_MAN_CMD_SPI_WRITE (1 << 13)
#define PWRAP_MAN_CMD_OP_CSH (0x0 << 8)
#define PWRAP_MAN_CMD_OP_CSL (0x1 << 8)
@@ -82,6 +84,12 @@ enum pwrap_dew_regs {
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,
+
/* MT8173 only regs */
PWRAP_DEW_CIPHER_IV0,
PWRAP_DEW_CIPHER_IV1,
@@ -91,6 +99,24 @@ enum pwrap_dew_regs {
PWRAP_DEW_CIPHER_IV5,
};
+static int mt6323_dew_regs[] = {
+ [PWRAP_DEW_DIO_EN] = 0xa,
+ [PWRAP_DEW_READ_TEST] = 0xc,
+ [PWRAP_DEW_WRITE_TEST] = 0xe,
+ [PWRAP_DEW_CRC_SWRST] = 0x10,
+ [PWRAP_DEW_CRC_EN] = 0x12,
+ [PWRAP_DEW_CRC_VAL] = 0x14,
+ [PWRAP_DEW_MON_GRP_SEL] = 0x16,
+ [PWRAP_DEW_CIPHER_KEY_SEL] = 0x18,
+ [PWRAP_DEW_CIPHER_IV_SEL] = 0x1a,
+ [PWRAP_DEW_CIPHER_EN] = 0x1c,
+ [PWRAP_DEW_CIPHER_RDY] = 0x1e,
+ [PWRAP_DEW_CIPHER_MODE] = 0x20,
+ [PWRAP_DEW_CIPHER_SWRST] = 0x22,
+ [PWRAP_DEW_RDDMY_NO] = 0x24,
+ [PWRAP_DEW_RDATA_DLY_SEL] = 0x26,
+};
+
static int mt8135_dew_regs[] = {
[PWRAP_DEW_EVENT_OUT_EN] = 0x0,
[PWRAP_DEW_DIO_EN] = 0x2,
@@ -236,6 +262,103 @@ enum pwrap_regs {
PWRAP_DVFS_WDATA7,
PWRAP_SPMINF_STA,
PWRAP_CIPHER_EN,
+
+ /* MT7623 only regs */
+ PWRAP_OP_TYPE,
+ PWRAP_MSB_FIRST,
+ PWRAP_ADC_CMD_ADDR,
+ PWRAP_ADC_CMD,
+ PWRAP_ADC_RDY_ADDR,
+ PWRAP_ADC_RDATA_ADDR1,
+ PWRAP_ADC_RDATA_ADDR2,
+};
+
+static int mt7623_regs[] = {
+ [PWRAP_MUX_SEL] = 0x0,
+ [PWRAP_WRAP_EN] = 0x4,
+ [PWRAP_DIO_EN] = 0x8,
+ [PWRAP_SIDLY] = 0xc,
+ [PWRAP_OP_TYPE] = 0x10,
+ [PWRAP_MSB_FIRST] = 0x14,
+ [PWRAP_RDDMY] = 0x18,
+ [PWRAP_SI_CK_CON] = 0x1c,
+ [PWRAP_CSHEXT_WRITE] = 0x20,
+ [PWRAP_CSHEXT_READ] = 0x24,
+ [PWRAP_CSLEXT_START] = 0x28,
+ [PWRAP_CSLEXT_END] = 0x2c,
+ [PWRAP_STAUPD_PRD] = 0x30,
+ [PWRAP_STAUPD_GRPEN] = 0x34,
+ [PWRAP_STAUPD_MAN_TRIG] = 0x38,
+ [PWRAP_STAUPD_STA] = 0x3C,
+ [PWRAP_WRAP_STA] = 0x44,
+ [PWRAP_HARB_INIT] = 0x48,
+ [PWRAP_HARB_HPRIO] = 0x4c,
+ [PWRAP_HIPRIO_ARB_EN] = 0x50,
+ [PWRAP_HARB_STA0] = 0x54,
+ [PWRAP_HARB_STA1] = 0x58,
+ [PWRAP_MAN_EN] = 0x5c,
+ [PWRAP_MAN_CMD] = 0x60,
+ [PWRAP_MAN_RDATA] = 0x6c,
+ [PWRAP_MAN_VLDCLR] = 0x68,
+ [PWRAP_WACS0_EN] = 0x6c,
+ [PWRAP_INIT_DONE0] = 0x70,
+ [PWRAP_WACS0_CMD] = 0x74,
+ [PWRAP_WACS0_RDATA] = 0x78,
+ [PWRAP_WACS0_VLDCLR] = 0x7c,
+ [PWRAP_WACS1_EN] = 0x80,
+ [PWRAP_INIT_DONE1] = 0x84,
+ [PWRAP_WACS1_CMD] = 0x88,
+ [PWRAP_WACS1_RDATA] = 0x9c,
+ [PWRAP_WACS1_VLDCLR] = 0x90,
+ [PWRAP_WACS2_EN] = 0x94,
+ [PWRAP_INIT_DONE2] = 0x98,
+ [PWRAP_WACS2_CMD] = 0x9c,
+ [PWRAP_WACS2_RDATA] = 0xa0,
+ [PWRAP_WACS2_VLDCLR] = 0xa4,
+ [PWRAP_INT_EN] = 0xa8,
+ [PWRAP_INT_FLG_RAW] = 0xac,
+ [PWRAP_INT_FLG] = 0xb0,
+ [PWRAP_INT_CLR] = 0xb4,
+ [PWRAP_SIG_ADR] = 0xb8,
+ [PWRAP_SIG_MODE] = 0xbc,
+ [PWRAP_SIG_VALUE] = 0xc0,
+ [PWRAP_SIG_ERRVAL] = 0xc4,
+ [PWRAP_CRC_EN] = 0xc8,
+ [PWRAP_TIMER_EN] = 0xcc,
+ [PWRAP_TIMER_STA] = 0xd0,
+ [PWRAP_WDT_UNIT] = 0xd4,
+ [PWRAP_WDT_SRC_EN] = 0xd8,
+ [PWRAP_WDT_FLG] = 0xdc,
+ [PWRAP_DEBUG_INT_SEL] = 0xe0,
+ [PWRAP_DVFS_ADR0] = 0xe4,
+ [PWRAP_DVFS_WDATA0] = 0xe8,
+ [PWRAP_DVFS_ADR1] = 0xec,
+ [PWRAP_DVFS_WDATA1] = 0xf0,
+ [PWRAP_DVFS_ADR2] = 0xf4,
+ [PWRAP_DVFS_WDATA2] = 0xf8,
+ [PWRAP_DVFS_ADR3] = 0xfc,
+ [PWRAP_DVFS_WDATA3] = 0x100,
+ [PWRAP_DVFS_ADR4] = 0x104,
+ [PWRAP_DVFS_WDATA4] = 0x108,
+ [PWRAP_DVFS_ADR5] = 0x10c,
+ [PWRAP_DVFS_WDATA5] = 0x110,
+ [PWRAP_DVFS_ADR6] = 0x114,
+ [PWRAP_DVFS_WDATA6] = 0x118,
+ [PWRAP_DVFS_ADR7] = 0x11c,
+ [PWRAP_DVFS_WDATA7] = 0x120,
+ [PWRAP_CIPHER_KEY_SEL] = 0x124,
+ [PWRAP_CIPHER_IV_SEL] = 0x128,
+ [PWRAP_CIPHER_EN] = 0x12c,
+ [PWRAP_CIPHER_RDY] = 0x130,
+ [PWRAP_CIPHER_MODE] = 0x134,
+ [PWRAP_CIPHER_SWRST] = 0x138,
+ [PWRAP_DCM_EN] = 0x13c,
+ [PWRAP_DCM_DBC_PRD] = 0x140,
+ [PWRAP_ADC_CMD_ADDR] = 0x144,
+ [PWRAP_ADC_CMD] = 0x148,
+ [PWRAP_ADC_RDY_ADDR] = 0x14C,
+ [PWRAP_ADC_RDATA_ADDR1] = 0x150,
+ [PWRAP_ADC_RDATA_ADDR2] = 0x154,
};
static int mt8173_regs[] = {
@@ -394,6 +517,7 @@ static int mt8135_regs[] = {
};
enum pwrap_type {
+ PWRAP_MT7623,
PWRAP_MT8135,
PWRAP_MT8173,
};
@@ -408,6 +532,17 @@ struct pmic_wrapper_type {
u32 man_cmd_spi_w;
};
+static struct pmic_wrapper_type pwrap_mt7623 = {
+ .regs = mt7623_regs,
+ .dew_regs = mt6323_dew_regs,
+ .dew_base = 0x180,
+ .type = PWRAP_MT7623,
+ .arb_en_all = 0x1ff,
+ .int_en_all = BIT(31) | BIT(2),
+ .man_cmd_spi_w = PWRAP_MAN_CMD_SPI_WRITE_NEW |
+ PWRAP_MAN_CMD_PMIC_SEL_NEW,
+};
+
static struct pmic_wrapper_type pwrap_mt8135 = {
.regs = mt8135_regs,
.dew_regs = mt8135_dew_regs,
@@ -447,6 +582,11 @@ struct pmic_wrapper {
void __iomem *bridge_base;
};
+static inline int pwrap_is_mt7623(struct pmic_wrapper *wrp)
+{
+ return wrp->type == PWRAP_MT7623;
+}
+
static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
{
return wrp->type == PWRAP_MT8135;
@@ -642,6 +782,13 @@ static int pwrap_init_reg_clock(struct pmic_wrapper *wrp)
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
+ } else if (pwrap_is_mt7623(wrp)) {
+ pwrap_writel(wrp, 0x8, PWRAP_RDDMY);
+ pwrap_dew_write(wrp, 0x8, PWRAP_DEW_RDDMY_NO);
+ pwrap_writel(wrp, 0x5, PWRAP_CSHEXT_WRITE);
+ pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_READ);
+ pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
+ pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
} else {
pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
@@ -691,8 +838,12 @@ 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);
+ if (pwrap_is_mt7623(wrp)) {
+ pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_EN, 0x1);
+ } else {
+ pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_LOAD, 0x1);
+ pwrap_dew_write(wrp, PWRAP_DEW_CIPHER_START, 0x1);
+ }
/* wait for cipher data ready at AP */
ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
@@ -743,6 +894,14 @@ static int pwrap_init(struct pmic_wrapper *wrp)
/* Enable DCM */
pwrap_writel(wrp, 3, PWRAP_DCM_EN);
pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
+ } else if (pwrap_is_mt7623(wrp)) {
+ /* Enable DCM */
+ pwrap_writel(wrp, 1, PWRAP_DCM_EN);
+ pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
+
+ /* Setup SPI for MT6323 */
+ pwrap_writel(wrp, 0, PWRAP_OP_TYPE);
+ pwrap_writel(wrp, 1, PWRAP_MSB_FIRST);
}
/* Reset SPI slave */
@@ -756,6 +915,10 @@ static int pwrap_init(struct pmic_wrapper *wrp)
pwrap_writel(wrp, 1, PWRAP_WACS2_EN);
+ if (pwrap_is_mt7623(wrp))
+ /* MT6323 expects 0xf dummy cycles */
+ pwrap_writel(wrp, 0xf, PWRAP_RDDMY);
+
ret = pwrap_init_reg_clock(wrp);
if (ret)
return ret;
@@ -828,6 +991,12 @@ static int pwrap_init(struct pmic_wrapper *wrp)
dev_err(wrp->dev, "enable dewrap fail\n");
return -EFAULT;
}
+ } else if (pwrap_is_mt7623(wrp)) {
+ pwrap_writel(wrp, 0x076c, PWRAP_ADC_CMD_ADDR);
+ pwrap_writel(wrp, 0x8000, PWRAP_ADC_CMD);
+ pwrap_writel(wrp, 0x072c, PWRAP_ADC_RDY_ADDR);
+ pwrap_writel(wrp, 0x072e, PWRAP_ADC_RDATA_ADDR1);
+ pwrap_writel(wrp, 0x0730, PWRAP_ADC_RDATA_ADDR2);
} else {
/* PMIC_DEWRAP enables */
if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
@@ -875,6 +1044,9 @@ static const struct regmap_config pwrap_regmap_config = {
static struct of_device_id of_pwrap_match_tbl[] = {
{
+ .compatible = "mediatek,mt7623-pwrap",
+ .data = &pwrap_mt7623,
+ }, {
.compatible = "mediatek,mt8135-pwrap",
.data = &pwrap_mt8135,
}, {
--
1.7.10.4
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