Merge tag 'v5.1-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers

pmic wrapper:
- add mt8516 bindings
- add mt8516 driver support
- fix clang warning

* tag 'v5.1-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: pwrap: Zero initialize rdata in pwrap_init_cipher
  soc: mediatek: pwrap: add support for MT8516 pwrap
  soc: mediatek: pwrap: add missing check on rstc
  dt-bindings: pwrap: mediatek: add pwrap support for MT8516

Signed-off-by: Olof Johansson <olof@lixom.net>

2 files changed, 110 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
index 5a2ef1726e2a..7a32404c6114 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
+++ b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
@@ -25,6 +25,7 @@ Required properties in pwrap device node.
 	"mediatek,mt8135-pwrap" for MT8135 SoCs
 	"mediatek,mt8173-pwrap" for MT8173 SoCs
 	"mediatek,mt8183-pwrap" for MT8183 SoCs
+	"mediatek,mt8516-pwrap" for MT8516 SoCs
 - interrupts: IRQ for pwrap in SOC
 - reg-names: Must include the following entries:
   "pwrap": Main registers base
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 8236a6c87e19..c4449a163991 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -381,6 +381,10 @@ enum pwrap_regs {
 	PWRAP_EXT_GPS_AUXADC_RDATA_ADDR,
 	PWRAP_GPSINF_0_STA,
 	PWRAP_GPSINF_1_STA,
+
+	/* MT8516 only regs */
+	PWRAP_OP_TYPE,
+	PWRAP_MSB_FIRST,
 };
 
 static int mt2701_regs[] = {
@@ -852,6 +856,91 @@ static int mt8183_regs[] = {
 	[PWRAP_WACS2_VLDCLR] =			0xC28,
 };
 
+static int mt8516_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_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_SPMINF_STA] =		0x128,
+	[PWRAP_CIPHER_KEY_SEL] =	0x12c,
+	[PWRAP_CIPHER_IV_SEL] =		0x130,
+	[PWRAP_CIPHER_EN] =		0x134,
+	[PWRAP_CIPHER_RDY] =		0x138,
+	[PWRAP_CIPHER_MODE] =		0x13c,
+	[PWRAP_CIPHER_SWRST] =		0x140,
+	[PWRAP_DCM_EN] =		0x144,
+	[PWRAP_DCM_DBC_PRD] =		0x148,
+	[PWRAP_SW_RST] =		0x168,
+	[PWRAP_OP_TYPE] =		0x16c,
+	[PWRAP_MSB_FIRST] =		0x170,
+};
+
 enum pmic_type {
 	PMIC_MT6323,
 	PMIC_MT6351,
@@ -869,6 +958,7 @@ enum pwrap_type {
 	PWRAP_MT8135,
 	PWRAP_MT8173,
 	PWRAP_MT8183,
+	PWRAP_MT8516,
 };
 
 struct pmic_wrapper;
@@ -1281,7 +1371,7 @@ static bool pwrap_is_pmic_cipher_ready(struct pmic_wrapper *wrp)
 static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 {
 	int ret;
-	u32 rdata;
+	u32 rdata = 0;
 
 	pwrap_writel(wrp, 0x1, PWRAP_CIPHER_SWRST);
 	pwrap_writel(wrp, 0x0, PWRAP_CIPHER_SWRST);
@@ -1297,6 +1387,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	case PWRAP_MT6765:
 	case PWRAP_MT6797:
 	case PWRAP_MT8173:
+	case PWRAP_MT8516:
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_EN);
 		break;
 	case PWRAP_MT7622:
@@ -1478,7 +1569,8 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 {
 	int ret;
 
-	reset_control_reset(wrp->rstc);
+	if (wrp->rstc)
+		reset_control_reset(wrp->rstc);
 	if (wrp->rstc_bridge)
 		reset_control_reset(wrp->rstc_bridge);
 
@@ -1764,6 +1856,18 @@ static const struct pmic_wrapper_type pwrap_mt8183 = {
 	.init_soc_specific = pwrap_mt8183_init_soc_specific,
 };
 
+static struct pmic_wrapper_type pwrap_mt8516 = {
+	.regs = mt8516_regs,
+	.type = PWRAP_MT8516,
+	.arb_en_all = 0xff,
+	.int_en_all = ~(u32)(BIT(31) | BIT(2)),
+	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
+	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
+	.caps = PWRAP_CAP_DCM,
+	.init_reg_clock = pwrap_mt2701_init_reg_clock,
+	.init_soc_specific = NULL,
+};
+
 static const struct of_device_id of_pwrap_match_tbl[] = {
 	{
 		.compatible = "mediatek,mt2701-pwrap",
@@ -1787,6 +1891,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = {
 		.compatible = "mediatek,mt8183-pwrap",
 		.data = &pwrap_mt8183,
 	}, {
+		.compatible = "mediatek,mt8516-pwrap",
+		.data = &pwrap_mt8516,
+	}, {
 		/* sentinel */
 	}
 };