soc: mediatek: pwrap: add pwrap driver for MT6873/8192 SoCs

MT6873/8192 are highly integrated SoCs and use PMIC_MT6359 for
power management. This patch adds pwrap master driver to
access PMIC_MT6359.
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Link: https://lore.kernel.org/r/1615563286-22126-5-git-send-email-hsin-hsiung.wang@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

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

@@ -632,6 +632,17 @@ static int mt6797_regs[] = {
 	[PWRAP_DCM_DBC_PRD] =		0x1D4,
 };
 
+static int mt6873_regs[] = {
+	[PWRAP_INIT_DONE2] =		0x0,
+	[PWRAP_TIMER_EN] =		0x3E0,
+	[PWRAP_INT_EN] =		0x448,
+	[PWRAP_WACS2_CMD] =		0xC80,
+	[PWRAP_SWINF_2_WDATA_31_0] =	0xC84,
+	[PWRAP_SWINF_2_RDATA_31_0] =	0xC94,
+	[PWRAP_WACS2_VLDCLR] =		0xCA4,
+	[PWRAP_WACS2_RDATA] =		0xCA8,
+};
+
 static int mt7622_regs[] = {
 	[PWRAP_MUX_SEL] =		0x0,
 	[PWRAP_WRAP_EN] =		0x4,
@@ -1050,6 +1061,7 @@ enum pwrap_type {
 	PWRAP_MT6765,
 	PWRAP_MT6779,
 	PWRAP_MT6797,
+	PWRAP_MT6873,
 	PWRAP_MT7622,
 	PWRAP_MT8135,
 	PWRAP_MT8173,
@@ -1511,6 +1523,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	case PWRAP_MT7622:
 		pwrap_writel(wrp, 0, PWRAP_CIPHER_EN);
 		break;
+	case PWRAP_MT6873:
 	case PWRAP_MT8183:
 		break;
 	}
@@ -1947,6 +1960,19 @@ static const struct pmic_wrapper_type pwrap_mt6797 = {
 	.init_soc_specific = NULL,
 };
 
+static const struct pmic_wrapper_type pwrap_mt6873 = {
+	.regs = mt6873_regs,
+	.type = PWRAP_MT6873,
+	.arb_en_all = 0x777f,
+	.int_en_all = BIT(4) | BIT(5),
+	.int1_en_all = 0,
+	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
+	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
+	.caps = PWRAP_CAP_ARB,
+	.init_reg_clock = pwrap_common_init_reg_clock,
+	.init_soc_specific = NULL,
+};
+
 static const struct pmic_wrapper_type pwrap_mt7622 = {
 	.regs = mt7622_regs,
 	.type = PWRAP_MT7622,
@@ -2024,6 +2050,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = {
 	}, {
 		.compatible = "mediatek,mt6797-pwrap",
 		.data = &pwrap_mt6797,
+	}, {
+		.compatible = "mediatek,mt6873-pwrap",
+		.data = &pwrap_mt6873,
 	}, {
 		.compatible = "mediatek,mt7622-pwrap",
 		.data = &pwrap_mt7622,