Commit 83a7175c authored by Johnson Wang's avatar Johnson Wang Committed by Matthias Brugger
Browse files

soc: mediatek: pwrap: add pwrap driver for MT8186 SoC 



MT8186 are highly integrated SoC and use PMIC_MT6366 for
power management. This patch adds pwrap master driver to
access PMIC_MT6366.

Acked-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarJohnson Wang <johnson.wang@mediatek.com>
Link: https://lore.kernel.org/r/20220207083034.15327-2-johnson.wang@mediatek.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 831785f0

drivers/soc/mediatek/mtk-pmic-wrap.c

+71 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#define PWRAP_GET_WACS_REQ(x)		(((x) >> 19) & 0x00000001)

#define PWRAP_STATE_SYNC_IDLE0		BIT(20)

#define PWRAP_STATE_INIT_DONE0		BIT(21)

#define PWRAP_STATE_INIT_DONE0_MT8186	BIT(22)

#define PWRAP_STATE_INIT_DONE1		BIT(15)



/* macro for WACS FSM */
@@ -77,6 +78,7 @@ 
#define PWRAP_CAP_INT1_EN	BIT(3)

#define PWRAP_CAP_WDT_SRC1	BIT(4)

#define PWRAP_CAP_ARB		BIT(5)

#define PWRAP_CAP_ARB_MT8186	BIT(8)



/* defines for slave device wrapper registers */

enum dew_regs {
@@ -1063,6 +1065,55 @@ static int mt8516_regs[] = { 
	[PWRAP_MSB_FIRST] =		0x170,

};



static int mt8186_regs[] = {

	[PWRAP_MUX_SEL] =		0x0,

	[PWRAP_WRAP_EN] =		0x4,

	[PWRAP_DIO_EN] =		0x8,

	[PWRAP_RDDMY] =			0x20,

	[PWRAP_CSHEXT_WRITE] =		0x24,

	[PWRAP_CSHEXT_READ] =		0x28,

	[PWRAP_CSLEXT_WRITE] =		0x2C,

	[PWRAP_CSLEXT_READ] =		0x30,

	[PWRAP_EXT_CK_WRITE] =		0x34,

	[PWRAP_STAUPD_CTRL] =		0x3C,

	[PWRAP_STAUPD_GRPEN] =		0x40,

	[PWRAP_EINT_STA0_ADR] =		0x44,

	[PWRAP_EINT_STA1_ADR] =		0x48,

	[PWRAP_INT_CLR] =		0xC8,

	[PWRAP_INT_FLG] =		0xC4,

	[PWRAP_MAN_EN] =		0x7C,

	[PWRAP_MAN_CMD] =		0x80,

	[PWRAP_WACS0_EN] =		0x8C,

	[PWRAP_WACS1_EN] =		0x94,

	[PWRAP_WACS2_EN] =		0x9C,

	[PWRAP_INIT_DONE0] =		0x90,

	[PWRAP_INIT_DONE1] =		0x98,

	[PWRAP_INIT_DONE2] =		0xA0,

	[PWRAP_INT_EN] =		0xBC,

	[PWRAP_INT1_EN] =		0xCC,

	[PWRAP_INT1_FLG] =		0xD4,

	[PWRAP_INT1_CLR] =		0xD8,

	[PWRAP_TIMER_EN] =		0xF0,

	[PWRAP_WDT_UNIT] =		0xF8,

	[PWRAP_WDT_SRC_EN] =		0xFC,

	[PWRAP_WDT_SRC_EN_1] =		0x100,

	[PWRAP_WDT_FLG] =		0x104,

	[PWRAP_SPMINF_STA] =		0x1B4,

	[PWRAP_DCM_EN] =		0x1EC,

	[PWRAP_DCM_DBC_PRD] =		0x1F0,

	[PWRAP_GPSINF_0_STA] =		0x204,

	[PWRAP_GPSINF_1_STA] =		0x208,

	[PWRAP_WACS0_CMD] =		0xC00,

	[PWRAP_WACS0_RDATA] =		0xC04,

	[PWRAP_WACS0_VLDCLR] =		0xC08,

	[PWRAP_WACS1_CMD] =		0xC10,

	[PWRAP_WACS1_RDATA] =		0xC14,

	[PWRAP_WACS1_VLDCLR] =		0xC18,

	[PWRAP_WACS2_CMD] =		0xC20,

	[PWRAP_WACS2_RDATA] =		0xC24,

	[PWRAP_WACS2_VLDCLR] =		0xC28,

};



enum pmic_type {

	PMIC_MT6323,

	PMIC_MT6351,
@@ -1083,6 +1134,7 @@ enum pwrap_type { 
	PWRAP_MT8135,

	PWRAP_MT8173,

	PWRAP_MT8183,

	PWRAP_MT8186,

	PWRAP_MT8195,

	PWRAP_MT8516,

};
@@ -1535,6 +1587,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) 
	case PWRAP_MT6779:

	case PWRAP_MT6797:

	case PWRAP_MT8173:

	case PWRAP_MT8186:

	case PWRAP_MT8516:

		pwrap_writel(wrp, 1, PWRAP_CIPHER_EN);

		break;
@@ -2069,6 +2122,19 @@ static struct pmic_wrapper_type pwrap_mt8516 = { 
	.init_soc_specific = NULL,

};



static struct pmic_wrapper_type pwrap_mt8186 = {

	.regs = mt8186_regs,

	.type = PWRAP_MT8186,

	.arb_en_all = 0xfb27f,

	.int_en_all = 0xfffffffe, /* disable WatchDog Timeout for bit 1 */

	.int1_en_all =  0x000017ff, /* disable Matching interrupt for bit 13 */

	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,

	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,

	.caps = PWRAP_CAP_INT1_EN | PWRAP_CAP_ARB_MT8186,

	.init_reg_clock = pwrap_common_init_reg_clock,

	.init_soc_specific = NULL,

};



static const struct of_device_id of_pwrap_match_tbl[] = {

	{

		.compatible = "mediatek,mt2701-pwrap",
@@ -2097,6 +2163,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = { 
	}, {

		.compatible = "mediatek,mt8183-pwrap",

		.data = &pwrap_mt8183,

	}, {

		.compatible = "mediatek,mt8186-pwrap",

		.data = &pwrap_mt8186,

	}, {

		.compatible = "mediatek,mt8195-pwrap",

		.data = &pwrap_mt8195,
@@ -2209,6 +2278,8 @@ static int pwrap_probe(struct platform_device *pdev) 


	if (HAS_CAP(wrp->master->caps, PWRAP_CAP_ARB))

		mask_done = PWRAP_STATE_INIT_DONE1;

	else if (HAS_CAP(wrp->master->caps, PWRAP_CAP_ARB_MT8186))

		mask_done = PWRAP_STATE_INIT_DONE0_MT8186;

	else

		mask_done = PWRAP_STATE_INIT_DONE0;