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Subject[PATCH v4 6/7] soc: mediatek: pwrap: add support for MT7622 SoC
Date
From: Chenglin Xu <chenglin.xu@mediatek.com>

Add the registers, callbacks and data structures required to make the
PMIC wrapper work on MT7622.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 180 +++++++++++++++++++++++++++++++++++
1 file changed, 180 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 5e3a41b..567d038 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -208,6 +208,36 @@ enum pwrap_regs {
PWRAP_ADC_RDATA_ADDR1,
PWRAP_ADC_RDATA_ADDR2,

+ /* MT7622 only regs */
+ PWRAP_EINT_STA0_ADR,
+ PWRAP_EINT_STA1_ADR,
+ PWRAP_STA,
+ PWRAP_CLR,
+ PWRAP_DVFS_ADR8,
+ PWRAP_DVFS_WDATA8,
+ PWRAP_DVFS_ADR9,
+ PWRAP_DVFS_WDATA9,
+ PWRAP_DVFS_ADR10,
+ PWRAP_DVFS_WDATA10,
+ PWRAP_DVFS_ADR11,
+ PWRAP_DVFS_WDATA11,
+ PWRAP_DVFS_ADR12,
+ PWRAP_DVFS_WDATA12,
+ PWRAP_DVFS_ADR13,
+ PWRAP_DVFS_WDATA13,
+ PWRAP_DVFS_ADR14,
+ PWRAP_DVFS_WDATA14,
+ PWRAP_DVFS_ADR15,
+ PWRAP_DVFS_WDATA15,
+ PWRAP_EXT_CK,
+ PWRAP_ADC_RDATA_ADDR,
+ PWRAP_GPS_STA,
+ PWRAP_SW_RST,
+ PWRAP_DVFS_STEP_CTRL0,
+ PWRAP_DVFS_STEP_CTRL1,
+ PWRAP_DVFS_STEP_CTRL2,
+ PWRAP_SPI2_CTRL,
+
/* MT8135 only regs */
PWRAP_CSHEXT,
PWRAP_EVENT_IN_EN,
@@ -330,6 +360,118 @@ static int mt2701_regs[] = {
[PWRAP_ADC_RDATA_ADDR2] = 0x154,
};

+static int mt7622_regs[] = {
+ [PWRAP_MUX_SEL] = 0x0,
+ [PWRAP_WRAP_EN] = 0x4,
+ [PWRAP_DIO_EN] = 0x8,
+ [PWRAP_SIDLY] = 0xC,
+ [PWRAP_RDDMY] = 0x10,
+ [PWRAP_SI_CK_CON] = 0x14,
+ [PWRAP_CSHEXT_WRITE] = 0x18,
+ [PWRAP_CSHEXT_READ] = 0x1C,
+ [PWRAP_CSLEXT_START] = 0x20,
+ [PWRAP_CSLEXT_END] = 0x24,
+ [PWRAP_STAUPD_PRD] = 0x28,
+ [PWRAP_STAUPD_GRPEN] = 0x2C,
+ [PWRAP_EINT_STA0_ADR] = 0x30,
+ [PWRAP_EINT_STA1_ADR] = 0x34,
+ [PWRAP_STA] = 0x38,
+ [PWRAP_CLR] = 0x3C,
+ [PWRAP_STAUPD_MAN_TRIG] = 0x40,
+ [PWRAP_STAUPD_STA] = 0x44,
+ [PWRAP_WRAP_STA] = 0x48,
+ [PWRAP_HARB_INIT] = 0x4C,
+ [PWRAP_HARB_HPRIO] = 0x50,
+ [PWRAP_HIPRIO_ARB_EN] = 0x54,
+ [PWRAP_HARB_STA0] = 0x58,
+ [PWRAP_HARB_STA1] = 0x5C,
+ [PWRAP_MAN_EN] = 0x60,
+ [PWRAP_MAN_CMD] = 0x64,
+ [PWRAP_MAN_RDATA] = 0x68,
+ [PWRAP_MAN_VLDCLR] = 0x6C,
+ [PWRAP_WACS0_EN] = 0x70,
+ [PWRAP_INIT_DONE0] = 0x74,
+ [PWRAP_WACS0_CMD] = 0x78,
+ [PWRAP_WACS0_RDATA] = 0x7C,
+ [PWRAP_WACS0_VLDCLR] = 0x80,
+ [PWRAP_WACS1_EN] = 0x84,
+ [PWRAP_INIT_DONE1] = 0x88,
+ [PWRAP_WACS1_CMD] = 0x8C,
+ [PWRAP_WACS1_RDATA] = 0x90,
+ [PWRAP_WACS1_VLDCLR] = 0x94,
+ [PWRAP_WACS2_EN] = 0x98,
+ [PWRAP_INIT_DONE2] = 0x9C,
+ [PWRAP_WACS2_CMD] = 0xA0,
+ [PWRAP_WACS2_RDATA] = 0xA4,
+ [PWRAP_WACS2_VLDCLR] = 0xA8,
+ [PWRAP_INT_EN] = 0xAC,
+ [PWRAP_INT_FLG_RAW] = 0xB0,
+ [PWRAP_INT_FLG] = 0xB4,
+ [PWRAP_INT_CLR] = 0xB8,
+ [PWRAP_SIG_ADR] = 0xBC,
+ [PWRAP_SIG_MODE] = 0xC0,
+ [PWRAP_SIG_VALUE] = 0xC4,
+ [PWRAP_SIG_ERRVAL] = 0xC8,
+ [PWRAP_CRC_EN] = 0xCC,
+ [PWRAP_TIMER_EN] = 0xD0,
+ [PWRAP_TIMER_STA] = 0xD4,
+ [PWRAP_WDT_UNIT] = 0xD8,
+ [PWRAP_WDT_SRC_EN] = 0xDC,
+ [PWRAP_WDT_FLG] = 0xE0,
+ [PWRAP_DEBUG_INT_SEL] = 0xE4,
+ [PWRAP_DVFS_ADR0] = 0xE8,
+ [PWRAP_DVFS_WDATA0] = 0xEC,
+ [PWRAP_DVFS_ADR1] = 0xF0,
+ [PWRAP_DVFS_WDATA1] = 0xF4,
+ [PWRAP_DVFS_ADR2] = 0xF8,
+ [PWRAP_DVFS_WDATA2] = 0xFC,
+ [PWRAP_DVFS_ADR3] = 0x100,
+ [PWRAP_DVFS_WDATA3] = 0x104,
+ [PWRAP_DVFS_ADR4] = 0x108,
+ [PWRAP_DVFS_WDATA4] = 0x10C,
+ [PWRAP_DVFS_ADR5] = 0x110,
+ [PWRAP_DVFS_WDATA5] = 0x114,
+ [PWRAP_DVFS_ADR6] = 0x118,
+ [PWRAP_DVFS_WDATA6] = 0x11C,
+ [PWRAP_DVFS_ADR7] = 0x120,
+ [PWRAP_DVFS_WDATA7] = 0x124,
+ [PWRAP_DVFS_ADR8] = 0x128,
+ [PWRAP_DVFS_WDATA8] = 0x12C,
+ [PWRAP_DVFS_ADR9] = 0x130,
+ [PWRAP_DVFS_WDATA9] = 0x134,
+ [PWRAP_DVFS_ADR10] = 0x138,
+ [PWRAP_DVFS_WDATA10] = 0x13C,
+ [PWRAP_DVFS_ADR11] = 0x140,
+ [PWRAP_DVFS_WDATA11] = 0x144,
+ [PWRAP_DVFS_ADR12] = 0x148,
+ [PWRAP_DVFS_WDATA12] = 0x14C,
+ [PWRAP_DVFS_ADR13] = 0x150,
+ [PWRAP_DVFS_WDATA13] = 0x154,
+ [PWRAP_DVFS_ADR14] = 0x158,
+ [PWRAP_DVFS_WDATA14] = 0x15C,
+ [PWRAP_DVFS_ADR15] = 0x160,
+ [PWRAP_DVFS_WDATA15] = 0x164,
+ [PWRAP_SPMINF_STA] = 0x168,
+ [PWRAP_CIPHER_KEY_SEL] = 0x16C,
+ [PWRAP_CIPHER_IV_SEL] = 0x170,
+ [PWRAP_CIPHER_EN] = 0x174,
+ [PWRAP_CIPHER_RDY] = 0x178,
+ [PWRAP_CIPHER_MODE] = 0x17C,
+ [PWRAP_CIPHER_SWRST] = 0x180,
+ [PWRAP_DCM_EN] = 0x184,
+ [PWRAP_DCM_DBC_PRD] = 0x188,
+ [PWRAP_EXT_CK] = 0x18C,
+ [PWRAP_ADC_CMD_ADDR] = 0x190,
+ [PWRAP_PWRAP_ADC_CMD] = 0x194,
+ [PWRAP_ADC_RDATA_ADDR] = 0x198,
+ [PWRAP_GPS_STA] = 0x19C,
+ [PWRAP_SW_RST] = 0x1A0,
+ [PWRAP_DVFS_STEP_CTRL0] = 0x238,
+ [PWRAP_DVFS_STEP_CTRL1] = 0x23C,
+ [PWRAP_DVFS_STEP_CTRL2] = 0x240,
+ [PWRAP_SPI2_CTRL] = 0x244,
+};
+
static int mt8173_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
@@ -493,6 +635,7 @@ enum pmic_type {

enum pwrap_type {
PWRAP_MT2701,
+ PWRAP_MT7622,
PWRAP_MT8135,
PWRAP_MT8173,
};
@@ -829,6 +972,16 @@ static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp)
return 0;
}

+static int pwrap_mt7622_init_reg_clock(struct pmic_wrapper *wrp)
+{
+ pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
+ pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
+ pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
+ pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
+
+ return 0;
+}
+
static bool pwrap_is_cipher_ready(struct pmic_wrapper *wrp)
{
return pwrap_readl(wrp, PWRAP_CIPHER_RDY) & 1;
@@ -866,6 +1019,9 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
case PWRAP_MT8173:
pwrap_writel(wrp, 1, PWRAP_CIPHER_EN);
break;
+ case PWRAP_MT7622:
+ pwrap_writel(wrp, 0, PWRAP_CIPHER_EN);
+ break;
}

/* Config cipher mode @PMIC */
@@ -985,6 +1141,15 @@ static int pwrap_mt2701_init_soc_specific(struct pmic_wrapper *wrp)
return 0;
}

+static int pwrap_mt7622_init_soc_specific(struct pmic_wrapper *wrp)
+{
+ pwrap_writel(wrp, 0, PWRAP_STAUPD_PRD);
+ /*enable 2wire SPI master*/
+ pwrap_writel(wrp, 0x8000000, PWRAP_SPI2_CTRL);
+
+ return 0;
+}
+
static int pwrap_init(struct pmic_wrapper *wrp)
{
int ret;
@@ -1184,6 +1349,18 @@ static const struct pmic_wrapper_type pwrap_mt2701 = {
.init_soc_specific = pwrap_mt2701_init_soc_specific,
};

+static struct pmic_wrapper_type pwrap_mt7622 = {
+ .regs = mt7622_regs,
+ .type = PWRAP_MT7622,
+ .arb_en_all = 0xff,
+ .int_en_all = ~(u32)BIT(31),
+ .spi_w = PWRAP_MAN_CMD_SPI_WRITE,
+ .wdt_src = PWRAP_WDT_SRC_MASK_ALL,
+ .has_bridge = 0,
+ .init_reg_clock = pwrap_mt7622_init_reg_clock,
+ .init_soc_specific = pwrap_mt7622_init_soc_specific,
+};
+
static const struct pmic_wrapper_type pwrap_mt8135 = {
.regs = mt8135_regs,
.type = PWRAP_MT8135,
@@ -1215,6 +1392,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = {
.compatible = "mediatek,mt2701-pwrap",
.data = &pwrap_mt2701,
}, {
+ .compatible = "mediatek,mt7622-pwrap",
+ .data = &pwrap_mt7622,
+ }, {
.compatible = "mediatek,mt8135-pwrap",
.data = &pwrap_mt8135,
}, {
--
2.7.4
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