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Message-ID: <b1464d7631db52355a7505751ee34e10103e1307.1508313105.git.sean.wang@mediatek.com>
Date:   Wed, 18 Oct 2017 16:28:48 +0800
From:   <sean.wang@...iatek.com>
To:     <matthias.bgg@...il.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     <chen.zhong@...iatek.com>, <chenglin.xu@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH v6 7/7] soc: mediatek: pwrap: add support for MT7622 SoC

From: Chenglin Xu <chenglin.xu@...iatek.com>

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

Signed-off-by: Chenglin Xu <chenglin.xu@...iatek.com>
Signed-off-by: Chen Zhong <chen.zhong@...iatek.com>
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 drivers/soc/mediatek/mtk-pmic-wrap.c | 170 +++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index cbc3f0e..5d61d12 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -214,6 +214,36 @@ 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,
@@ -336,6 +366,118 @@ 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,
@@ -499,6 +641,7 @@ enum pmic_type {
 
 enum pwrap_type {
 	PWRAP_MT2701,
+	PWRAP_MT7622,
 	PWRAP_MT8135,
 	PWRAP_MT8173,
 };
@@ -927,6 +1070,9 @@ 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 */
@@ -1071,6 +1217,15 @@ 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;
@@ -1242,6 +1397,18 @@ static const struct pmic_wrapper_type pwrap_mt2701 = {
 	.init_soc_specific = pwrap_mt2701_init_soc_specific,
 };
 
+static const 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_common_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,
@@ -1271,6 +1438,9 @@ 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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