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Subject[PATCH 2/4] soc: mediatek: use group of bits for pwrap capability
Date
Use group of bits for pwrap capability instead of
elements of structure.
This patch is preparing for adding mt8183 pwrap support.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 248 ++++++++++++++++++-----------------
1 file changed, 129 insertions(+), 119 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 4e931fd..337a163 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -76,6 +76,11 @@
#define PWRAP_SLV_CAP_SECURITY BIT(2)
#define HAS_CAP(_c, _x) (((_c) & (_x)) == (_x))

+/* Group of bits used for shown pwrap capability */
+#define PWRAP_CAP_BRIDGE BIT(0)
+#define PWRAP_CAP_RESET BIT(1)
+#define PWRAP_CAP_DCM BIT(2)
+
/* defines for slave device wrapper registers */
enum dew_regs {
PWRAP_DEW_BASE,
@@ -91,6 +96,10 @@ enum dew_regs {
PWRAP_DEW_CIPHER_MODE,
PWRAP_DEW_CIPHER_SWRST,

+ /* MT6323 only regs */
+ PWRAP_DEW_CIPHER_EN,
+ PWRAP_DEW_RDDMY_NO,
+
/* MT6397 only regs */
PWRAP_DEW_EVENT_OUT_EN,
PWRAP_DEW_EVENT_SRC_EN,
@@ -100,10 +109,6 @@ 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[] = {
@@ -123,6 +128,21 @@ enum dew_regs {
[PWRAP_DEW_RDDMY_NO] = 0x01a4,
};

+static const u32 mt6351_regs[] = {
+ [PWRAP_DEW_DIO_EN] = 0x02F2,
+ [PWRAP_DEW_READ_TEST] = 0x02F4,
+ [PWRAP_DEW_WRITE_TEST] = 0x02F6,
+ [PWRAP_DEW_CRC_EN] = 0x02FA,
+ [PWRAP_DEW_CRC_VAL] = 0x02FC,
+ [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0300,
+ [PWRAP_DEW_CIPHER_IV_SEL] = 0x0302,
+ [PWRAP_DEW_CIPHER_EN] = 0x0304,
+ [PWRAP_DEW_CIPHER_RDY] = 0x0306,
+ [PWRAP_DEW_CIPHER_MODE] = 0x0308,
+ [PWRAP_DEW_CIPHER_SWRST] = 0x030A,
+ [PWRAP_DEW_RDDMY_NO] = 0x030C,
+};
+
static const u32 mt6397_regs[] = {
[PWRAP_DEW_BASE] = 0xbc00,
[PWRAP_DEW_EVENT_OUT_EN] = 0xbc00,
@@ -146,21 +166,6 @@ enum dew_regs {
[PWRAP_DEW_CIPHER_SWRST] = 0xbc24,
};

-static const u32 mt6351_regs[] = {
- [PWRAP_DEW_DIO_EN] = 0x02F2,
- [PWRAP_DEW_READ_TEST] = 0x02F4,
- [PWRAP_DEW_WRITE_TEST] = 0x02F6,
- [PWRAP_DEW_CRC_EN] = 0x02FA,
- [PWRAP_DEW_CRC_VAL] = 0x02FC,
- [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0300,
- [PWRAP_DEW_CIPHER_IV_SEL] = 0x0302,
- [PWRAP_DEW_CIPHER_EN] = 0x0304,
- [PWRAP_DEW_CIPHER_RDY] = 0x0306,
- [PWRAP_DEW_CIPHER_MODE] = 0x0308,
- [PWRAP_DEW_CIPHER_SWRST] = 0x030A,
- [PWRAP_DEW_RDDMY_NO] = 0x030C,
-};
-
enum pwrap_regs {
PWRAP_MUX_SEL,
PWRAP_WRAP_EN,
@@ -526,6 +531,79 @@ enum pwrap_regs {
[PWRAP_SPI2_CTRL] = 0x244,
};

+static int mt8135_regs[] = {
+ [PWRAP_MUX_SEL] = 0x0,
+ [PWRAP_WRAP_EN] = 0x4,
+ [PWRAP_DIO_EN] = 0x8,
+ [PWRAP_SIDLY] = 0xc,
+ [PWRAP_CSHEXT] = 0x10,
+ [PWRAP_CSHEXT_WRITE] = 0x14,
+ [PWRAP_CSHEXT_READ] = 0x18,
+ [PWRAP_CSLEXT_START] = 0x1c,
+ [PWRAP_CSLEXT_END] = 0x20,
+ [PWRAP_STAUPD_PRD] = 0x24,
+ [PWRAP_STAUPD_GRPEN] = 0x28,
+ [PWRAP_STAUPD_MAN_TRIG] = 0x2c,
+ [PWRAP_STAUPD_STA] = 0x30,
+ [PWRAP_EVENT_IN_EN] = 0x34,
+ [PWRAP_EVENT_DST_EN] = 0x38,
+ [PWRAP_WRAP_STA] = 0x3c,
+ [PWRAP_RRARB_INIT] = 0x40,
+ [PWRAP_RRARB_EN] = 0x44,
+ [PWRAP_RRARB_STA0] = 0x48,
+ [PWRAP_RRARB_STA1] = 0x4c,
+ [PWRAP_HARB_INIT] = 0x50,
+ [PWRAP_HARB_HPRIO] = 0x54,
+ [PWRAP_HIPRIO_ARB_EN] = 0x58,
+ [PWRAP_HARB_STA0] = 0x5c,
+ [PWRAP_HARB_STA1] = 0x60,
+ [PWRAP_MAN_EN] = 0x64,
+ [PWRAP_MAN_CMD] = 0x68,
+ [PWRAP_MAN_RDATA] = 0x6c,
+ [PWRAP_MAN_VLDCLR] = 0x70,
+ [PWRAP_WACS0_EN] = 0x74,
+ [PWRAP_INIT_DONE0] = 0x78,
+ [PWRAP_WACS0_CMD] = 0x7c,
+ [PWRAP_WACS0_RDATA] = 0x80,
+ [PWRAP_WACS0_VLDCLR] = 0x84,
+ [PWRAP_WACS1_EN] = 0x88,
+ [PWRAP_INIT_DONE1] = 0x8c,
+ [PWRAP_WACS1_CMD] = 0x90,
+ [PWRAP_WACS1_RDATA] = 0x94,
+ [PWRAP_WACS1_VLDCLR] = 0x98,
+ [PWRAP_WACS2_EN] = 0x9c,
+ [PWRAP_INIT_DONE2] = 0xa0,
+ [PWRAP_WACS2_CMD] = 0xa4,
+ [PWRAP_WACS2_RDATA] = 0xa8,
+ [PWRAP_WACS2_VLDCLR] = 0xac,
+ [PWRAP_INT_EN] = 0xb0,
+ [PWRAP_INT_FLG_RAW] = 0xb4,
+ [PWRAP_INT_FLG] = 0xb8,
+ [PWRAP_INT_CLR] = 0xbc,
+ [PWRAP_SIG_ADR] = 0xc0,
+ [PWRAP_SIG_MODE] = 0xc4,
+ [PWRAP_SIG_VALUE] = 0xc8,
+ [PWRAP_SIG_ERRVAL] = 0xcc,
+ [PWRAP_CRC_EN] = 0xd0,
+ [PWRAP_EVENT_STA] = 0xd4,
+ [PWRAP_EVENT_STACLR] = 0xd8,
+ [PWRAP_TIMER_EN] = 0xdc,
+ [PWRAP_TIMER_STA] = 0xe0,
+ [PWRAP_WDT_UNIT] = 0xe4,
+ [PWRAP_WDT_SRC_EN] = 0xe8,
+ [PWRAP_WDT_FLG] = 0xec,
+ [PWRAP_DEBUG_INT_SEL] = 0xf0,
+ [PWRAP_CIPHER_KEY_SEL] = 0x134,
+ [PWRAP_CIPHER_IV_SEL] = 0x138,
+ [PWRAP_CIPHER_LOAD] = 0x13c,
+ [PWRAP_CIPHER_START] = 0x140,
+ [PWRAP_CIPHER_RDY] = 0x144,
+ [PWRAP_CIPHER_MODE] = 0x148,
+ [PWRAP_CIPHER_SWRST] = 0x14c,
+ [PWRAP_DCM_EN] = 0x15c,
+ [PWRAP_DCM_DBC_PRD] = 0x160,
+};
+
static int mt8173_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
@@ -608,79 +686,6 @@ enum pwrap_regs {
[PWRAP_DCM_DBC_PRD] = 0x148,
};

-static int mt8135_regs[] = {
- [PWRAP_MUX_SEL] = 0x0,
- [PWRAP_WRAP_EN] = 0x4,
- [PWRAP_DIO_EN] = 0x8,
- [PWRAP_SIDLY] = 0xc,
- [PWRAP_CSHEXT] = 0x10,
- [PWRAP_CSHEXT_WRITE] = 0x14,
- [PWRAP_CSHEXT_READ] = 0x18,
- [PWRAP_CSLEXT_START] = 0x1c,
- [PWRAP_CSLEXT_END] = 0x20,
- [PWRAP_STAUPD_PRD] = 0x24,
- [PWRAP_STAUPD_GRPEN] = 0x28,
- [PWRAP_STAUPD_MAN_TRIG] = 0x2c,
- [PWRAP_STAUPD_STA] = 0x30,
- [PWRAP_EVENT_IN_EN] = 0x34,
- [PWRAP_EVENT_DST_EN] = 0x38,
- [PWRAP_WRAP_STA] = 0x3c,
- [PWRAP_RRARB_INIT] = 0x40,
- [PWRAP_RRARB_EN] = 0x44,
- [PWRAP_RRARB_STA0] = 0x48,
- [PWRAP_RRARB_STA1] = 0x4c,
- [PWRAP_HARB_INIT] = 0x50,
- [PWRAP_HARB_HPRIO] = 0x54,
- [PWRAP_HIPRIO_ARB_EN] = 0x58,
- [PWRAP_HARB_STA0] = 0x5c,
- [PWRAP_HARB_STA1] = 0x60,
- [PWRAP_MAN_EN] = 0x64,
- [PWRAP_MAN_CMD] = 0x68,
- [PWRAP_MAN_RDATA] = 0x6c,
- [PWRAP_MAN_VLDCLR] = 0x70,
- [PWRAP_WACS0_EN] = 0x74,
- [PWRAP_INIT_DONE0] = 0x78,
- [PWRAP_WACS0_CMD] = 0x7c,
- [PWRAP_WACS0_RDATA] = 0x80,
- [PWRAP_WACS0_VLDCLR] = 0x84,
- [PWRAP_WACS1_EN] = 0x88,
- [PWRAP_INIT_DONE1] = 0x8c,
- [PWRAP_WACS1_CMD] = 0x90,
- [PWRAP_WACS1_RDATA] = 0x94,
- [PWRAP_WACS1_VLDCLR] = 0x98,
- [PWRAP_WACS2_EN] = 0x9c,
- [PWRAP_INIT_DONE2] = 0xa0,
- [PWRAP_WACS2_CMD] = 0xa4,
- [PWRAP_WACS2_RDATA] = 0xa8,
- [PWRAP_WACS2_VLDCLR] = 0xac,
- [PWRAP_INT_EN] = 0xb0,
- [PWRAP_INT_FLG_RAW] = 0xb4,
- [PWRAP_INT_FLG] = 0xb8,
- [PWRAP_INT_CLR] = 0xbc,
- [PWRAP_SIG_ADR] = 0xc0,
- [PWRAP_SIG_MODE] = 0xc4,
- [PWRAP_SIG_VALUE] = 0xc8,
- [PWRAP_SIG_ERRVAL] = 0xcc,
- [PWRAP_CRC_EN] = 0xd0,
- [PWRAP_EVENT_STA] = 0xd4,
- [PWRAP_EVENT_STACLR] = 0xd8,
- [PWRAP_TIMER_EN] = 0xdc,
- [PWRAP_TIMER_STA] = 0xe0,
- [PWRAP_WDT_UNIT] = 0xe4,
- [PWRAP_WDT_SRC_EN] = 0xe8,
- [PWRAP_WDT_FLG] = 0xec,
- [PWRAP_DEBUG_INT_SEL] = 0xf0,
- [PWRAP_CIPHER_KEY_SEL] = 0x134,
- [PWRAP_CIPHER_IV_SEL] = 0x138,
- [PWRAP_CIPHER_LOAD] = 0x13c,
- [PWRAP_CIPHER_START] = 0x140,
- [PWRAP_CIPHER_RDY] = 0x144,
- [PWRAP_CIPHER_MODE] = 0x148,
- [PWRAP_CIPHER_SWRST] = 0x14c,
- [PWRAP_DCM_EN] = 0x15c,
- [PWRAP_DCM_DBC_PRD] = 0x160,
-};
-
enum pmic_type {
PMIC_MT6323,
PMIC_MT6351,
@@ -733,7 +738,8 @@ struct pmic_wrapper_type {
u32 int_en_all;
u32 spi_w;
u32 wdt_src;
- unsigned int has_bridge:1;
+ /* Flags indicating the capability for the target pwrap */
+ u32 caps;
int (*init_reg_clock)(struct pmic_wrapper *wrp);
int (*init_soc_specific)(struct pmic_wrapper *wrp);
};
@@ -1348,7 +1354,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
pwrap_writel(wrp, 1, PWRAP_INIT_DONE0);
pwrap_writel(wrp, 1, PWRAP_INIT_DONE1);

- if (wrp->master->has_bridge) {
+ if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) {
writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE3);
writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE4);
}
@@ -1398,6 +1404,15 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.pwrap_write = pwrap_write16,
};

+static const struct pwrap_slv_type pmic_mt6351 = {
+ .dew_regs = mt6351_regs,
+ .type = PMIC_MT6351,
+ .regmap = &pwrap_regmap_config16,
+ .caps = 0,
+ .pwrap_read = pwrap_read16,
+ .pwrap_write = pwrap_write16,
+};
+
static const struct pwrap_slv_type pmic_mt6380 = {
.dew_regs = NULL,
.type = PMIC_MT6380,
@@ -1417,20 +1432,14 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.pwrap_write = pwrap_write16,
};

-static const struct pwrap_slv_type pmic_mt6351 = {
- .dew_regs = mt6351_regs,
- .type = PMIC_MT6351,
- .regmap = &pwrap_regmap_config16,
- .caps = 0,
- .pwrap_read = pwrap_read16,
- .pwrap_write = pwrap_write16,
-};
-
static const struct of_device_id of_slave_match_tbl[] = {
{
.compatible = "mediatek,mt6323",
.data = &pmic_mt6323,
}, {
+ .compatible = "mediatek,mt6351",
+ .data = &pmic_mt6351,
+ }, {
/* The MT6380 PMIC only implements a regulator, so we bind it
* directly instead of using a MFD.
*/
@@ -1440,9 +1449,6 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.compatible = "mediatek,mt6397",
.data = &pmic_mt6397,
}, {
- .compatible = "mediatek,mt6351",
- .data = &pmic_mt6351,
- }, {
/* sentinel */
}
};
@@ -1455,7 +1461,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.int_en_all = ~(u32)(BIT(31) | BIT(2)),
.spi_w = PWRAP_MAN_CMD_SPI_WRITE_NEW,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
- .has_bridge = 0,
+ .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
.init_reg_clock = pwrap_mt2701_init_reg_clock,
.init_soc_specific = pwrap_mt2701_init_soc_specific,
};
@@ -1467,7 +1473,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.int_en_all = 0xffffffc6,
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
- .has_bridge = 0,
+ .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
.init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = NULL,
};
@@ -1479,7 +1485,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.int_en_all = ~(u32)BIT(31),
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
- .has_bridge = 0,
+ .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
.init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = pwrap_mt7622_init_soc_specific,
};
@@ -1491,7 +1497,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.int_en_all = ~(u32)(BIT(31) | BIT(1)),
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
- .has_bridge = 1,
+ .caps = PWRAP_CAP_BRIDGE | PWRAP_CAP_RESET | PWRAP_CAP_DCM,
.init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = pwrap_mt8135_init_soc_specific,
};
@@ -1503,7 +1509,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
.int_en_all = ~(u32)(BIT(31) | BIT(1)),
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD,
- .has_bridge = 0,
+ .caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
.init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = pwrap_mt8173_init_soc_specific,
};
@@ -1561,14 +1567,16 @@ static int pwrap_probe(struct platform_device *pdev)
if (IS_ERR(wrp->base))
return PTR_ERR(wrp->base);

- wrp->rstc = devm_reset_control_get(wrp->dev, "pwrap");
- if (IS_ERR(wrp->rstc)) {
- ret = PTR_ERR(wrp->rstc);
- dev_dbg(wrp->dev, "cannot get pwrap reset: %d\n", ret);
- return ret;
+ if (HAS_CAP(wrp->master->caps, PWRAP_CAP_RESET)) {
+ wrp->rstc = devm_reset_control_get(wrp->dev, "pwrap");
+ if (IS_ERR(wrp->rstc)) {
+ ret = PTR_ERR(wrp->rstc);
+ dev_dbg(wrp->dev, "cannot get pwrap reset: %d\n", ret);
+ return ret;
+ }
}

- if (wrp->master->has_bridge) {
+ if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) {
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"pwrap-bridge");
wrp->bridge_base = devm_ioremap_resource(wrp->dev, res);
@@ -1608,8 +1616,10 @@ static int pwrap_probe(struct platform_device *pdev)
goto err_out1;

/* Enable internal dynamic clock */
- pwrap_writel(wrp, 1, PWRAP_DCM_EN);
- pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
+ if (HAS_CAP(wrp->master->caps, PWRAP_CAP_DCM)) {
+ pwrap_writel(wrp, 1, PWRAP_DCM_EN);
+ pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
+ }

/*
* The PMIC could already be initialized by the bootloader.
--
1.9.1
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