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-rw-r--r--drivers/soc/mediatek/Kconfig34
-rw-r--r--drivers/soc/mediatek/Makefile3
-rw-r--r--drivers/soc/mediatek/mtk-infracfg.c87
-rw-r--r--drivers/soc/mediatek/mtk-pmic-wrap.c1684
-rw-r--r--drivers/soc/mediatek/mtk-scpsys.c1077
5 files changed, 2885 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig
new file mode 100644
index 000000000..a7d066733
--- /dev/null
+++ b/drivers/soc/mediatek/Kconfig
@@ -0,0 +1,34 @@
+#
+# MediaTek SoC drivers
+#
+menu "MediaTek SoC drivers"
+ depends on ARCH_MEDIATEK || COMPILE_TEST
+
+config MTK_INFRACFG
+ bool "MediaTek INFRACFG Support"
+ select REGMAP
+ help
+ Say yes here to add support for the MediaTek INFRACFG controller. The
+ INFRACFG controller contains various infrastructure registers not
+ directly associated to any device.
+
+config MTK_PMIC_WRAP
+ tristate "MediaTek PMIC Wrapper Support"
+ depends on RESET_CONTROLLER
+ select REGMAP
+ help
+ Say yes here to add support for MediaTek PMIC Wrapper found
+ on different MediaTek SoCs. The PMIC wrapper is a proprietary
+ hardware to connect the PMIC.
+
+config MTK_SCPSYS
+ bool "MediaTek SCPSYS Support"
+ default ARCH_MEDIATEK
+ select REGMAP
+ select MTK_INFRACFG
+ select PM_GENERIC_DOMAINS if PM
+ help
+ Say yes here to add support for the MediaTek SCPSYS power domain
+ driver.
+
+endmenu
diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
new file mode 100644
index 000000000..12998b088
--- /dev/null
+++ b/drivers/soc/mediatek/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o
+obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o
+obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
diff --git a/drivers/soc/mediatek/mtk-infracfg.c b/drivers/soc/mediatek/mtk-infracfg.c
new file mode 100644
index 000000000..958861c9e
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-infracfg.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2015 Pengutronix, Sascha Hauer <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/export.h>
+#include <linux/jiffies.h>
+#include <linux/regmap.h>
+#include <linux/soc/mediatek/infracfg.h>
+#include <asm/processor.h>
+
+#define MTK_POLL_DELAY_US 10
+#define MTK_POLL_TIMEOUT (jiffies_to_usecs(HZ))
+
+#define INFRA_TOPAXI_PROTECTEN 0x0220
+#define INFRA_TOPAXI_PROTECTSTA1 0x0228
+#define INFRA_TOPAXI_PROTECTEN_SET 0x0260
+#define INFRA_TOPAXI_PROTECTEN_CLR 0x0264
+
+/**
+ * mtk_infracfg_set_bus_protection - enable bus protection
+ * @regmap: The infracfg regmap
+ * @mask: The mask containing the protection bits to be enabled.
+ * @reg_update: The boolean flag determines to set the protection bits
+ * by regmap_update_bits with enable register(PROTECTEN) or
+ * by regmap_write with set register(PROTECTEN_SET).
+ *
+ * This function enables the bus protection bits for disabled power
+ * domains so that the system does not hang when some unit accesses the
+ * bus while in power down.
+ */
+int mtk_infracfg_set_bus_protection(struct regmap *infracfg, u32 mask,
+ bool reg_update)
+{
+ u32 val;
+ int ret;
+
+ if (reg_update)
+ regmap_update_bits(infracfg, INFRA_TOPAXI_PROTECTEN, mask,
+ mask);
+ else
+ regmap_write(infracfg, INFRA_TOPAXI_PROTECTEN_SET, mask);
+
+ ret = regmap_read_poll_timeout(infracfg, INFRA_TOPAXI_PROTECTSTA1,
+ val, (val & mask) == mask,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+
+ return ret;
+}
+
+/**
+ * mtk_infracfg_clear_bus_protection - disable bus protection
+ * @regmap: The infracfg regmap
+ * @mask: The mask containing the protection bits to be disabled.
+ * @reg_update: The boolean flag determines to clear the protection bits
+ * by regmap_update_bits with enable register(PROTECTEN) or
+ * by regmap_write with clear register(PROTECTEN_CLR).
+ *
+ * This function disables the bus protection bits previously enabled with
+ * mtk_infracfg_set_bus_protection.
+ */
+
+int mtk_infracfg_clear_bus_protection(struct regmap *infracfg, u32 mask,
+ bool reg_update)
+{
+ int ret;
+ u32 val;
+
+ if (reg_update)
+ regmap_update_bits(infracfg, INFRA_TOPAXI_PROTECTEN, mask, 0);
+ else
+ regmap_write(infracfg, INFRA_TOPAXI_PROTECTEN_CLR, mask);
+
+ ret = regmap_read_poll_timeout(infracfg, INFRA_TOPAXI_PROTECTSTA1,
+ val, !(val & mask),
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+
+ return ret;
+}
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
new file mode 100644
index 000000000..011a40b5f
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -0,0 +1,1684 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Flora Fu, MediaTek
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+
+#define PWRAP_MT8135_BRIDGE_IORD_ARB_EN 0x4
+#define PWRAP_MT8135_BRIDGE_WACS3_EN 0x10
+#define PWRAP_MT8135_BRIDGE_INIT_DONE3 0x14
+#define PWRAP_MT8135_BRIDGE_WACS4_EN 0x24
+#define PWRAP_MT8135_BRIDGE_INIT_DONE4 0x28
+#define PWRAP_MT8135_BRIDGE_INT_EN 0x38
+#define PWRAP_MT8135_BRIDGE_TIMER_EN 0x48
+#define PWRAP_MT8135_BRIDGE_WDT_UNIT 0x50
+#define PWRAP_MT8135_BRIDGE_WDT_SRC_EN 0x54
+
+/* macro for wrapper status */
+#define PWRAP_GET_WACS_RDATA(x) (((x) >> 0) & 0x0000ffff)
+#define PWRAP_GET_WACS_FSM(x) (((x) >> 16) & 0x00000007)
+#define PWRAP_GET_WACS_REQ(x) (((x) >> 19) & 0x00000001)
+#define PWRAP_STATE_SYNC_IDLE0 (1 << 20)
+#define PWRAP_STATE_INIT_DONE0 (1 << 21)
+
+/* macro for WACS FSM */
+#define PWRAP_WACS_FSM_IDLE 0x00
+#define PWRAP_WACS_FSM_REQ 0x02
+#define PWRAP_WACS_FSM_WFDLE 0x04
+#define PWRAP_WACS_FSM_WFVLDCLR 0x06
+#define PWRAP_WACS_INIT_DONE 0x01
+#define PWRAP_WACS_WACS_SYNC_IDLE 0x01
+#define PWRAP_WACS_SYNC_BUSY 0x00
+
+/* macro for device wrapper default value */
+#define PWRAP_DEW_READ_TEST_VAL 0x5aa5
+#define PWRAP_DEW_WRITE_TEST_VAL 0xa55a
+
+/* macro for manual command */
+#define PWRAP_MAN_CMD_SPI_WRITE_NEW (1 << 14)
+#define PWRAP_MAN_CMD_SPI_WRITE (1 << 13)
+#define PWRAP_MAN_CMD_OP_CSH (0x0 << 8)
+#define PWRAP_MAN_CMD_OP_CSL (0x1 << 8)
+#define PWRAP_MAN_CMD_OP_CK (0x2 << 8)
+#define PWRAP_MAN_CMD_OP_OUTS (0x8 << 8)
+#define PWRAP_MAN_CMD_OP_OUTD (0x9 << 8)
+#define PWRAP_MAN_CMD_OP_OUTQ (0xa << 8)
+
+/* macro for Watch Dog Timer Source */
+#define PWRAP_WDT_SRC_EN_STAUPD_TRIG (1 << 25)
+#define PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE (1 << 20)
+#define PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE (1 << 6)
+#define PWRAP_WDT_SRC_MASK_ALL 0xffffffff
+#define PWRAP_WDT_SRC_MASK_NO_STAUPD ~(PWRAP_WDT_SRC_EN_STAUPD_TRIG | \
+ PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE | \
+ PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE)
+
+/* Group of bits used for shown slave capability */
+#define PWRAP_SLV_CAP_SPI BIT(0)
+#define PWRAP_SLV_CAP_DUALIO BIT(1)
+#define PWRAP_SLV_CAP_SECURITY BIT(2)
+#define HAS_CAP(_c, _x) (((_c) & (_x)) == (_x))
+
+/* defines for slave device wrapper registers */
+enum dew_regs {
+ PWRAP_DEW_BASE,
+ PWRAP_DEW_DIO_EN,
+ PWRAP_DEW_READ_TEST,
+ PWRAP_DEW_WRITE_TEST,
+ PWRAP_DEW_CRC_EN,
+ PWRAP_DEW_CRC_VAL,
+ PWRAP_DEW_MON_GRP_SEL,
+ PWRAP_DEW_CIPHER_KEY_SEL,
+ PWRAP_DEW_CIPHER_IV_SEL,
+ PWRAP_DEW_CIPHER_RDY,
+ PWRAP_DEW_CIPHER_MODE,
+ PWRAP_DEW_CIPHER_SWRST,
+
+ /* MT6397 only regs */
+ PWRAP_DEW_EVENT_OUT_EN,
+ PWRAP_DEW_EVENT_SRC_EN,
+ PWRAP_DEW_EVENT_SRC,
+ PWRAP_DEW_EVENT_FLAG,
+ PWRAP_DEW_MON_FLAG_SEL,
+ 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[] = {
+ [PWRAP_DEW_BASE] = 0x0000,
+ [PWRAP_DEW_DIO_EN] = 0x018a,
+ [PWRAP_DEW_READ_TEST] = 0x018c,
+ [PWRAP_DEW_WRITE_TEST] = 0x018e,
+ [PWRAP_DEW_CRC_EN] = 0x0192,
+ [PWRAP_DEW_CRC_VAL] = 0x0194,
+ [PWRAP_DEW_MON_GRP_SEL] = 0x0196,
+ [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0198,
+ [PWRAP_DEW_CIPHER_IV_SEL] = 0x019a,
+ [PWRAP_DEW_CIPHER_EN] = 0x019c,
+ [PWRAP_DEW_CIPHER_RDY] = 0x019e,
+ [PWRAP_DEW_CIPHER_MODE] = 0x01a0,
+ [PWRAP_DEW_CIPHER_SWRST] = 0x01a2,
+ [PWRAP_DEW_RDDMY_NO] = 0x01a4,
+};
+
+static const u32 mt6397_regs[] = {
+ [PWRAP_DEW_BASE] = 0xbc00,
+ [PWRAP_DEW_EVENT_OUT_EN] = 0xbc00,
+ [PWRAP_DEW_DIO_EN] = 0xbc02,
+ [PWRAP_DEW_EVENT_SRC_EN] = 0xbc04,
+ [PWRAP_DEW_EVENT_SRC] = 0xbc06,
+ [PWRAP_DEW_EVENT_FLAG] = 0xbc08,
+ [PWRAP_DEW_READ_TEST] = 0xbc0a,
+ [PWRAP_DEW_WRITE_TEST] = 0xbc0c,
+ [PWRAP_DEW_CRC_EN] = 0xbc0e,
+ [PWRAP_DEW_CRC_VAL] = 0xbc10,
+ [PWRAP_DEW_MON_GRP_SEL] = 0xbc12,
+ [PWRAP_DEW_MON_FLAG_SEL] = 0xbc14,
+ [PWRAP_DEW_EVENT_TEST] = 0xbc16,
+ [PWRAP_DEW_CIPHER_KEY_SEL] = 0xbc18,
+ [PWRAP_DEW_CIPHER_IV_SEL] = 0xbc1a,
+ [PWRAP_DEW_CIPHER_LOAD] = 0xbc1c,
+ [PWRAP_DEW_CIPHER_START] = 0xbc1e,
+ [PWRAP_DEW_CIPHER_RDY] = 0xbc20,
+ [PWRAP_DEW_CIPHER_MODE] = 0xbc22,
+ [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,
+ PWRAP_DIO_EN,
+ PWRAP_SIDLY,
+ PWRAP_CSHEXT_WRITE,
+ PWRAP_CSHEXT_READ,
+ PWRAP_CSLEXT_START,
+ PWRAP_CSLEXT_END,
+ PWRAP_STAUPD_PRD,
+ PWRAP_STAUPD_GRPEN,
+ PWRAP_STAUPD_MAN_TRIG,
+ PWRAP_STAUPD_STA,
+ PWRAP_WRAP_STA,
+ PWRAP_HARB_INIT,
+ PWRAP_HARB_HPRIO,
+ PWRAP_HIPRIO_ARB_EN,
+ PWRAP_HARB_STA0,
+ PWRAP_HARB_STA1,
+ PWRAP_MAN_EN,
+ PWRAP_MAN_CMD,
+ PWRAP_MAN_RDATA,
+ PWRAP_MAN_VLDCLR,
+ PWRAP_WACS0_EN,
+ PWRAP_INIT_DONE0,
+ PWRAP_WACS0_CMD,
+ PWRAP_WACS0_RDATA,
+ PWRAP_WACS0_VLDCLR,
+ PWRAP_WACS1_EN,
+ PWRAP_INIT_DONE1,
+ PWRAP_WACS1_CMD,
+ PWRAP_WACS1_RDATA,
+ PWRAP_WACS1_VLDCLR,
+ PWRAP_WACS2_EN,
+ PWRAP_INIT_DONE2,
+ PWRAP_WACS2_CMD,
+ PWRAP_WACS2_RDATA,
+ PWRAP_WACS2_VLDCLR,
+ PWRAP_INT_EN,
+ PWRAP_INT_FLG_RAW,
+ PWRAP_INT_FLG,
+ PWRAP_INT_CLR,
+ PWRAP_SIG_ADR,
+ PWRAP_SIG_MODE,
+ PWRAP_SIG_VALUE,
+ PWRAP_SIG_ERRVAL,
+ PWRAP_CRC_EN,
+ PWRAP_TIMER_EN,
+ PWRAP_TIMER_STA,
+ PWRAP_WDT_UNIT,
+ PWRAP_WDT_SRC_EN,
+ PWRAP_WDT_FLG,
+ PWRAP_DEBUG_INT_SEL,
+ PWRAP_CIPHER_KEY_SEL,
+ PWRAP_CIPHER_IV_SEL,
+ PWRAP_CIPHER_RDY,
+ PWRAP_CIPHER_MODE,
+ PWRAP_CIPHER_SWRST,
+ PWRAP_DCM_EN,
+ PWRAP_DCM_DBC_PRD,
+
+ /* MT2701 only regs */
+ PWRAP_ADC_CMD_ADDR,
+ PWRAP_PWRAP_ADC_CMD,
+ PWRAP_ADC_RDY_ADDR,
+ 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,
+ PWRAP_EVENT_DST_EN,
+ PWRAP_RRARB_INIT,
+ PWRAP_RRARB_EN,
+ PWRAP_RRARB_STA0,
+ PWRAP_RRARB_STA1,
+ PWRAP_EVENT_STA,
+ PWRAP_EVENT_STACLR,
+ PWRAP_CIPHER_LOAD,
+ PWRAP_CIPHER_START,
+
+ /* MT8173 only regs */
+ PWRAP_RDDMY,
+ PWRAP_SI_CK_CON,
+ PWRAP_DVFS_ADR0,
+ PWRAP_DVFS_WDATA0,
+ PWRAP_DVFS_ADR1,
+ PWRAP_DVFS_WDATA1,
+ PWRAP_DVFS_ADR2,
+ PWRAP_DVFS_WDATA2,
+ PWRAP_DVFS_ADR3,
+ PWRAP_DVFS_WDATA3,
+ PWRAP_DVFS_ADR4,
+ PWRAP_DVFS_WDATA4,
+ PWRAP_DVFS_ADR5,
+ PWRAP_DVFS_WDATA5,
+ PWRAP_DVFS_ADR6,
+ PWRAP_DVFS_WDATA6,
+ PWRAP_DVFS_ADR7,
+ PWRAP_DVFS_WDATA7,
+ PWRAP_SPMINF_STA,
+ PWRAP_CIPHER_EN,
+};
+
+static int mt2701_regs[] = {
+ [PWRAP_MUX_SEL] = 0x0,
+ [PWRAP_WRAP_EN] = 0x4,
+ [PWRAP_DIO_EN] = 0x8,
+ [PWRAP_SIDLY] = 0xc,
+ [PWRAP_RDDMY] = 0x18,
+ [PWRAP_SI_CK_CON] = 0x1c,
+ [PWRAP_CSHEXT_WRITE] = 0x20,
+ [PWRAP_CSHEXT_READ] = 0x24,
+ [PWRAP_CSLEXT_START] = 0x28,
+ [PWRAP_CSLEXT_END] = 0x2c,
+ [PWRAP_STAUPD_PRD] = 0x30,
+ [PWRAP_STAUPD_GRPEN] = 0x34,
+ [PWRAP_STAUPD_MAN_TRIG] = 0x38,
+ [PWRAP_STAUPD_STA] = 0x3c,
+ [PWRAP_WRAP_STA] = 0x44,
+ [PWRAP_HARB_INIT] = 0x48,
+ [PWRAP_HARB_HPRIO] = 0x4c,
+ [PWRAP_HIPRIO_ARB_EN] = 0x50,
+ [PWRAP_HARB_STA0] = 0x54,
+ [PWRAP_HARB_STA1] = 0x58,
+ [PWRAP_MAN_EN] = 0x5c,
+ [PWRAP_MAN_CMD] = 0x60,
+ [PWRAP_MAN_RDATA] = 0x64,
+ [PWRAP_MAN_VLDCLR] = 0x68,
+ [PWRAP_WACS0_EN] = 0x6c,
+ [PWRAP_INIT_DONE0] = 0x70,
+ [PWRAP_WACS0_CMD] = 0x74,
+ [PWRAP_WACS0_RDATA] = 0x78,
+ [PWRAP_WACS0_VLDCLR] = 0x7c,
+ [PWRAP_WACS1_EN] = 0x80,
+ [PWRAP_INIT_DONE1] = 0x84,
+ [PWRAP_WACS1_CMD] = 0x88,
+ [PWRAP_WACS1_RDATA] = 0x8c,
+ [PWRAP_WACS1_VLDCLR] = 0x90,
+ [PWRAP_WACS2_EN] = 0x94,
+ [PWRAP_INIT_DONE2] = 0x98,
+ [PWRAP_WACS2_CMD] = 0x9c,
+ [PWRAP_WACS2_RDATA] = 0xa0,
+ [PWRAP_WACS2_VLDCLR] = 0xa4,
+ [PWRAP_INT_EN] = 0xa8,
+ [PWRAP_INT_FLG_RAW] = 0xac,
+ [PWRAP_INT_FLG] = 0xb0,
+ [PWRAP_INT_CLR] = 0xb4,
+ [PWRAP_SIG_ADR] = 0xb8,
+ [PWRAP_SIG_MODE] = 0xbc,
+ [PWRAP_SIG_VALUE] = 0xc0,
+ [PWRAP_SIG_ERRVAL] = 0xc4,
+ [PWRAP_CRC_EN] = 0xc8,
+ [PWRAP_TIMER_EN] = 0xcc,
+ [PWRAP_TIMER_STA] = 0xd0,
+ [PWRAP_WDT_UNIT] = 0xd4,
+ [PWRAP_WDT_SRC_EN] = 0xd8,
+ [PWRAP_WDT_FLG] = 0xdc,
+ [PWRAP_DEBUG_INT_SEL] = 0xe0,
+ [PWRAP_DVFS_ADR0] = 0xe4,
+ [PWRAP_DVFS_WDATA0] = 0xe8,
+ [PWRAP_DVFS_ADR1] = 0xec,
+ [PWRAP_DVFS_WDATA1] = 0xf0,
+ [PWRAP_DVFS_ADR2] = 0xf4,
+ [PWRAP_DVFS_WDATA2] = 0xf8,
+ [PWRAP_DVFS_ADR3] = 0xfc,
+ [PWRAP_DVFS_WDATA3] = 0x100,
+ [PWRAP_DVFS_ADR4] = 0x104,
+ [PWRAP_DVFS_WDATA4] = 0x108,
+ [PWRAP_DVFS_ADR5] = 0x10c,
+ [PWRAP_DVFS_WDATA5] = 0x110,
+ [PWRAP_DVFS_ADR6] = 0x114,
+ [PWRAP_DVFS_WDATA6] = 0x118,
+ [PWRAP_DVFS_ADR7] = 0x11c,
+ [PWRAP_DVFS_WDATA7] = 0x120,
+ [PWRAP_CIPHER_KEY_SEL] = 0x124,
+ [PWRAP_CIPHER_IV_SEL] = 0x128,
+ [PWRAP_CIPHER_EN] = 0x12c,
+ [PWRAP_CIPHER_RDY] = 0x130,
+ [PWRAP_CIPHER_MODE] = 0x134,
+ [PWRAP_CIPHER_SWRST] = 0x138,
+ [PWRAP_DCM_EN] = 0x13c,
+ [PWRAP_DCM_DBC_PRD] = 0x140,
+ [PWRAP_ADC_CMD_ADDR] = 0x144,
+ [PWRAP_PWRAP_ADC_CMD] = 0x148,
+ [PWRAP_ADC_RDY_ADDR] = 0x14c,
+ [PWRAP_ADC_RDATA_ADDR1] = 0x150,
+ [PWRAP_ADC_RDATA_ADDR2] = 0x154,
+};
+
+static int mt6797_regs[] = {
+ [PWRAP_MUX_SEL] = 0x0,
+ [PWRAP_WRAP_EN] = 0x4,
+ [PWRAP_DIO_EN] = 0x8,
+ [PWRAP_SIDLY] = 0xC,
+ [PWRAP_RDDMY] = 0x10,
+ [PWRAP_CSHEXT_WRITE] = 0x18,
+ [PWRAP_CSHEXT_READ] = 0x1C,
+ [PWRAP_CSLEXT_START] = 0x20,
+ [PWRAP_CSLEXT_END] = 0x24,
+ [PWRAP_STAUPD_PRD] = 0x28,
+ [PWRAP_HARB_HPRIO] = 0x50,
+ [PWRAP_HIPRIO_ARB_EN] = 0x54,
+ [PWRAP_MAN_EN] = 0x60,
+ [PWRAP_MAN_CMD] = 0x64,
+ [PWRAP_WACS0_EN] = 0x70,
+ [PWRAP_WACS1_EN] = 0x84,
+ [PWRAP_WACS2_EN] = 0x98,
+ [PWRAP_INIT_DONE2] = 0x9C,
+ [PWRAP_WACS2_CMD] = 0xA0,
+ [PWRAP_WACS2_RDATA] = 0xA4,
+ [PWRAP_WACS2_VLDCLR] = 0xA8,
+ [PWRAP_INT_EN] = 0xC0,
+ [PWRAP_INT_FLG_RAW] = 0xC4,
+ [PWRAP_INT_FLG] = 0xC8,
+ [PWRAP_INT_CLR] = 0xCC,
+ [PWRAP_TIMER_EN] = 0xF4,
+ [PWRAP_WDT_UNIT] = 0xFC,
+ [PWRAP_WDT_SRC_EN] = 0x100,
+ [PWRAP_DCM_EN] = 0x1CC,
+ [PWRAP_DCM_DBC_PRD] = 0x1D4,
+};
+
+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,
+ [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,
+};
+
+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,
+ PMIC_MT6380,
+ PMIC_MT6397,
+};
+
+enum pwrap_type {
+ PWRAP_MT2701,
+ PWRAP_MT6797,
+ PWRAP_MT7622,
+ PWRAP_MT8135,
+ PWRAP_MT8173,
+};
+
+struct pmic_wrapper;
+struct pwrap_slv_type {
+ const u32 *dew_regs;
+ enum pmic_type type;
+ const struct regmap_config *regmap;
+ /* Flags indicating the capability for the target slave */
+ u32 caps;
+ /*
+ * pwrap operations are highly associated with the PMIC types,
+ * so the pointers added increases flexibility allowing determination
+ * which type is used by the detection through device tree.
+ */
+ int (*pwrap_read)(struct pmic_wrapper *wrp, u32 adr, u32 *rdata);
+ int (*pwrap_write)(struct pmic_wrapper *wrp, u32 adr, u32 wdata);
+};
+
+struct pmic_wrapper {
+ struct device *dev;
+ void __iomem *base;
+ struct regmap *regmap;
+ const struct pmic_wrapper_type *master;
+ const struct pwrap_slv_type *slave;
+ struct clk *clk_spi;
+ struct clk *clk_wrap;
+ struct reset_control *rstc;
+
+ struct reset_control *rstc_bridge;
+ void __iomem *bridge_base;
+};
+
+struct pmic_wrapper_type {
+ int *regs;
+ enum pwrap_type type;
+ u32 arb_en_all;
+ u32 int_en_all;
+ u32 spi_w;
+ u32 wdt_src;
+ unsigned int has_bridge:1;
+ int (*init_reg_clock)(struct pmic_wrapper *wrp);
+ int (*init_soc_specific)(struct pmic_wrapper *wrp);
+};
+
+static u32 pwrap_readl(struct pmic_wrapper *wrp, enum pwrap_regs reg)
+{
+ return readl(wrp->base + wrp->master->regs[reg]);
+}
+
+static void pwrap_writel(struct pmic_wrapper *wrp, u32 val, enum pwrap_regs reg)
+{
+ writel(val, wrp->base + wrp->master->regs[reg]);
+}
+
+static bool pwrap_is_fsm_idle(struct pmic_wrapper *wrp)
+{
+ u32 val = pwrap_readl(wrp, PWRAP_WACS2_RDATA);
+
+ return PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_IDLE;
+}
+
+static bool pwrap_is_fsm_vldclr(struct pmic_wrapper *wrp)
+{
+ u32 val = pwrap_readl(wrp, PWRAP_WACS2_RDATA);
+
+ return PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_WFVLDCLR;
+}
+
+/*
+ * Timeout issue sometimes caused by the last read command
+ * failed because pmic wrap could not got the FSM_VLDCLR
+ * in time after finishing WACS2_CMD. It made state machine
+ * still on FSM_VLDCLR and timeout next time.
+ * Check the status of FSM and clear the vldclr to recovery the
+ * error.
+ */
+static inline void pwrap_leave_fsm_vldclr(struct pmic_wrapper *wrp)
+{
+ if (pwrap_is_fsm_vldclr(wrp))
+ pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR);
+}
+
+static bool pwrap_is_sync_idle(struct pmic_wrapper *wrp)
+{
+ return pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_SYNC_IDLE0;
+}
+
+static bool pwrap_is_fsm_idle_and_sync_idle(struct pmic_wrapper *wrp)
+{
+ u32 val = pwrap_readl(wrp, PWRAP_WACS2_RDATA);
+
+ return (PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_IDLE) &&
+ (val & PWRAP_STATE_SYNC_IDLE0);
+}
+
+static int pwrap_wait_for_state(struct pmic_wrapper *wrp,
+ bool (*fp)(struct pmic_wrapper *))
+{
+ unsigned long timeout;
+
+ timeout = jiffies + usecs_to_jiffies(10000);
+
+ do {
+ if (time_after(jiffies, timeout))
+ return fp(wrp) ? 0 : -ETIMEDOUT;
+ if (fp(wrp))
+ return 0;
+ } while (1);
+}
+
+static int pwrap_read16(struct pmic_wrapper *wrp, u32 adr, u32 *rdata)
+{
+ int ret;
+
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
+ if (ret) {
+ pwrap_leave_fsm_vldclr(wrp);
+ return ret;
+ }
+
+ pwrap_writel(wrp, (adr >> 1) << 16, PWRAP_WACS2_CMD);
+
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr);
+ if (ret)
+ return ret;
+
+ *rdata = PWRAP_GET_WACS_RDATA(pwrap_readl(wrp, PWRAP_WACS2_RDATA));
+
+ pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR);
+
+ return 0;
+}
+
+static int pwrap_read32(struct pmic_wrapper *wrp, u32 adr, u32 *rdata)
+{
+ int ret, msb;
+
+ *rdata = 0;
+ for (msb = 0; msb < 2; msb++) {
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
+ if (ret) {
+ pwrap_leave_fsm_vldclr(wrp);
+ return ret;
+ }
+
+ pwrap_writel(wrp, ((msb << 30) | (adr << 16)),
+ PWRAP_WACS2_CMD);
+
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr);
+ if (ret)
+ return ret;
+
+ *rdata += (PWRAP_GET_WACS_RDATA(pwrap_readl(wrp,
+ PWRAP_WACS2_RDATA)) << (16 * msb));
+
+ pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR);
+ }
+
+ return 0;
+}
+
+static int pwrap_read(struct pmic_wrapper *wrp, u32 adr, u32 *rdata)
+{
+ return wrp->slave->pwrap_read(wrp, adr, rdata);
+}
+
+static int pwrap_write16(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
+{
+ int ret;
+
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
+ if (ret) {
+ pwrap_leave_fsm_vldclr(wrp);
+ return ret;
+ }
+
+ pwrap_writel(wrp, (1 << 31) | ((adr >> 1) << 16) | wdata,
+ PWRAP_WACS2_CMD);
+
+ return 0;
+}
+
+static int pwrap_write32(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
+{
+ int ret, msb, rdata;
+
+ for (msb = 0; msb < 2; msb++) {
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
+ if (ret) {
+ pwrap_leave_fsm_vldclr(wrp);
+ return ret;
+ }
+
+ pwrap_writel(wrp, (1 << 31) | (msb << 30) | (adr << 16) |
+ ((wdata >> (msb * 16)) & 0xffff),
+ PWRAP_WACS2_CMD);
+
+ /*
+ * The pwrap_read operation is the requirement of hardware used
+ * for the synchronization between two successive 16-bit
+ * pwrap_writel operations composing one 32-bit bus writing.
+ * Otherwise, we'll find the result fails on the lower 16-bit
+ * pwrap writing.
+ */
+ if (!msb)
+ pwrap_read(wrp, adr, &rdata);
+ }
+
+ return 0;
+}
+
+static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
+{
+ return wrp->slave->pwrap_write(wrp, adr, wdata);
+}
+
+static int pwrap_regmap_read(void *context, u32 adr, u32 *rdata)
+{
+ return pwrap_read(context, adr, rdata);
+}
+
+static int pwrap_regmap_write(void *context, u32 adr, u32 wdata)
+{
+ return pwrap_write(context, adr, wdata);
+}
+
+static int pwrap_reset_spislave(struct pmic_wrapper *wrp)
+{
+ int ret, i;
+
+ pwrap_writel(wrp, 0, PWRAP_HIPRIO_ARB_EN);
+ pwrap_writel(wrp, 0, PWRAP_WRAP_EN);
+ pwrap_writel(wrp, 1, PWRAP_MUX_SEL);
+ pwrap_writel(wrp, 1, PWRAP_MAN_EN);
+ pwrap_writel(wrp, 0, PWRAP_DIO_EN);
+
+ pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_CSL,
+ PWRAP_MAN_CMD);
+ pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_OUTS,
+ PWRAP_MAN_CMD);
+ pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_CSH,
+ PWRAP_MAN_CMD);
+
+ for (i = 0; i < 4; i++)
+ pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_OUTS,
+ PWRAP_MAN_CMD);
+
+ ret = pwrap_wait_for_state(wrp, pwrap_is_sync_idle);
+ if (ret) {
+ dev_err(wrp->dev, "%s fail, ret=%d\n", __func__, ret);
+ return ret;
+ }
+
+ pwrap_writel(wrp, 0, PWRAP_MAN_EN);
+ pwrap_writel(wrp, 0, PWRAP_MUX_SEL);
+
+ return 0;
+}
+
+/*
+ * pwrap_init_sidly - configure serial input delay
+ *
+ * This configures the serial input delay. We can configure 0, 2, 4 or 6ns
+ * delay. Do a read test with all possible values and chose the best delay.
+ */
+static int pwrap_init_sidly(struct pmic_wrapper *wrp)
+{
+ u32 rdata;
+ u32 i;
+ u32 pass = 0;
+ signed char dly[16] = {
+ -1, 0, 1, 0, 2, -1, 1, 1, 3, -1, -1, -1, 3, -1, 2, 1
+ };
+
+ for (i = 0; i < 4; i++) {
+ pwrap_writel(wrp, i, PWRAP_SIDLY);
+ pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_READ_TEST],
+ &rdata);
+ if (rdata == PWRAP_DEW_READ_TEST_VAL) {
+ dev_dbg(wrp->dev, "[Read Test] pass, SIDLY=%x\n", i);
+ pass |= 1 << i;
+ }
+ }
+
+ if (dly[pass] < 0) {
+ dev_err(wrp->dev, "sidly pass range 0x%x not continuous\n",
+ pass);
+ return -EIO;
+ }
+
+ pwrap_writel(wrp, dly[pass], PWRAP_SIDLY);
+
+ return 0;
+}
+
+static int pwrap_init_dual_io(struct pmic_wrapper *wrp)
+{
+ int ret;
+ u32 rdata;
+
+ /* Enable dual IO mode */
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_DIO_EN], 1);
+
+ /* Check IDLE & INIT_DONE in advance */
+ ret = pwrap_wait_for_state(wrp,
+ pwrap_is_fsm_idle_and_sync_idle);
+ if (ret) {
+ dev_err(wrp->dev, "%s fail, ret=%d\n", __func__, ret);
+ return ret;
+ }
+
+ pwrap_writel(wrp, 1, PWRAP_DIO_EN);
+
+ /* Read Test */
+ pwrap_read(wrp,
+ wrp->slave->dew_regs[PWRAP_DEW_READ_TEST], &rdata);
+ if (rdata != PWRAP_DEW_READ_TEST_VAL) {
+ dev_err(wrp->dev,
+ "Read failed on DIO mode: 0x%04x!=0x%04x\n",
+ PWRAP_DEW_READ_TEST_VAL, rdata);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/*
+ * pwrap_init_chip_select_ext is used to configure CS extension time for each
+ * phase during data transactions on the pwrap bus.
+ */
+static void pwrap_init_chip_select_ext(struct pmic_wrapper *wrp, u8 hext_write,
+ u8 hext_read, u8 lext_start,
+ u8 lext_end)
+{
+ /*
+ * After finishing a write and read transaction, extends CS high time
+ * to be at least xT of BUS CLK as hext_write and hext_read specifies
+ * respectively.
+ */
+ pwrap_writel(wrp, hext_write, PWRAP_CSHEXT_WRITE);
+ pwrap_writel(wrp, hext_read, PWRAP_CSHEXT_READ);
+
+ /*
+ * Extends CS low time after CSL and before CSH command to be at
+ * least xT of BUS CLK as lext_start and lext_end specifies
+ * respectively.
+ */
+ pwrap_writel(wrp, lext_start, PWRAP_CSLEXT_START);
+ pwrap_writel(wrp, lext_end, PWRAP_CSLEXT_END);
+}
+
+static int pwrap_common_init_reg_clock(struct pmic_wrapper *wrp)
+{
+ switch (wrp->master->type) {
+ case PWRAP_MT8173:
+ pwrap_init_chip_select_ext(wrp, 0, 4, 2, 2);
+ break;
+ case PWRAP_MT8135:
+ pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
+ pwrap_init_chip_select_ext(wrp, 0, 4, 0, 0);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp)
+{
+ switch (wrp->slave->type) {
+ case PMIC_MT6397:
+ pwrap_writel(wrp, 0xc, PWRAP_RDDMY);
+ pwrap_init_chip_select_ext(wrp, 4, 0, 2, 2);
+ break;
+
+ case PMIC_MT6323:
+ pwrap_writel(wrp, 0x8, PWRAP_RDDMY);
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_RDDMY_NO],
+ 0x8);
+ pwrap_init_chip_select_ext(wrp, 5, 0, 2, 2);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static bool pwrap_is_cipher_ready(struct pmic_wrapper *wrp)
+{
+ return pwrap_readl(wrp, PWRAP_CIPHER_RDY) & 1;
+}
+
+static bool pwrap_is_pmic_cipher_ready(struct pmic_wrapper *wrp)
+{
+ u32 rdata;
+ int ret;
+
+ ret = pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_RDY],
+ &rdata);
+ if (ret)
+ return 0;
+
+ return rdata == 1;
+}
+
+static int pwrap_init_cipher(struct pmic_wrapper *wrp)
+{
+ int ret;
+ u32 rdata = 0;
+
+ pwrap_writel(wrp, 0x1, PWRAP_CIPHER_SWRST);
+ pwrap_writel(wrp, 0x0, PWRAP_CIPHER_SWRST);
+ pwrap_writel(wrp, 0x1, PWRAP_CIPHER_KEY_SEL);
+ pwrap_writel(wrp, 0x2, PWRAP_CIPHER_IV_SEL);
+
+ switch (wrp->master->type) {
+ case PWRAP_MT8135:
+ pwrap_writel(wrp, 1, PWRAP_CIPHER_LOAD);
+ pwrap_writel(wrp, 1, PWRAP_CIPHER_START);
+ break;
+ case PWRAP_MT2701:
+ case PWRAP_MT6797:
+ 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 */
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x1);
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x0);
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_KEY_SEL], 0x1);
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_IV_SEL], 0x2);
+
+ switch (wrp->slave->type) {
+ case PMIC_MT6397:
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD],
+ 0x1);
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START],
+ 0x1);
+ break;
+ case PMIC_MT6323:
+ case PMIC_MT6351:
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
+ 0x1);
+ break;
+ default:
+ break;
+ }
+
+ /* wait for cipher data ready@AP */
+ ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
+ if (ret) {
+ dev_err(wrp->dev, "cipher data ready@AP fail, ret=%d\n", ret);
+ return ret;
+ }
+
+ /* wait for cipher data ready@PMIC */
+ ret = pwrap_wait_for_state(wrp, pwrap_is_pmic_cipher_ready);
+ if (ret) {
+ dev_err(wrp->dev,
+ "timeout waiting for cipher data ready@PMIC\n");
+ return ret;
+ }
+
+ /* wait for cipher mode idle */
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_MODE], 0x1);
+ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle_and_sync_idle);
+ if (ret) {
+ dev_err(wrp->dev, "cipher mode idle fail, ret=%d\n", ret);
+ return ret;
+ }
+
+ pwrap_writel(wrp, 1, PWRAP_CIPHER_MODE);
+
+ /* Write Test */
+ if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST],
+ PWRAP_DEW_WRITE_TEST_VAL) ||
+ pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST],
+ &rdata) ||
+ (rdata != PWRAP_DEW_WRITE_TEST_VAL)) {
+ dev_err(wrp->dev, "rdata=0x%04X\n", rdata);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int pwrap_init_security(struct pmic_wrapper *wrp)
+{
+ int ret;
+
+ /* Enable encryption */
+ ret = pwrap_init_cipher(wrp);
+ if (ret)
+ return ret;
+
+ /* Signature checking - using CRC */
+ if (pwrap_write(wrp,
+ wrp->slave->dew_regs[PWRAP_DEW_CRC_EN], 0x1))
+ return -EFAULT;
+
+ pwrap_writel(wrp, 0x1, PWRAP_CRC_EN);
+ pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE);
+ pwrap_writel(wrp, wrp->slave->dew_regs[PWRAP_DEW_CRC_VAL],
+ PWRAP_SIG_ADR);
+ pwrap_writel(wrp,
+ wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
+
+ return 0;
+}
+
+static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp)
+{
+ /* enable pwrap events and pwrap bridge in AP side */
+ pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
+ pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
+ writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
+ writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
+ writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
+
+ /* enable PMIC event out and sources */
+ if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_OUT_EN],
+ 0x1) ||
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_SRC_EN],
+ 0xffff)) {
+ dev_err(wrp->dev, "enable dewrap fail\n");
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp)
+{
+ /* PMIC_DEWRAP enables */
+ if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_OUT_EN],
+ 0x1) ||
+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_SRC_EN],
+ 0xffff)) {
+ dev_err(wrp->dev, "enable dewrap fail\n");
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int pwrap_mt2701_init_soc_specific(struct pmic_wrapper *wrp)
+{
+ /* GPS_INTF initialization */
+ switch (wrp->slave->type) {
+ case PMIC_MT6323:
+ pwrap_writel(wrp, 0x076c, PWRAP_ADC_CMD_ADDR);
+ pwrap_writel(wrp, 0x8000, PWRAP_PWRAP_ADC_CMD);
+ pwrap_writel(wrp, 0x072c, PWRAP_ADC_RDY_ADDR);
+ pwrap_writel(wrp, 0x072e, PWRAP_ADC_RDATA_ADDR1);
+ pwrap_writel(wrp, 0x0730, PWRAP_ADC_RDATA_ADDR2);
+ break;
+ default:
+ break;
+ }
+
+ 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;
+
+ reset_control_reset(wrp->rstc);
+ if (wrp->rstc_bridge)
+ reset_control_reset(wrp->rstc_bridge);
+
+ if (wrp->master->type == PWRAP_MT8173) {
+ /* Enable DCM */
+ pwrap_writel(wrp, 3, PWRAP_DCM_EN);
+ pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
+ }
+
+ if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SPI)) {
+ /* Reset SPI slave */
+ ret = pwrap_reset_spislave(wrp);
+ if (ret)
+ return ret;
+ }
+
+ pwrap_writel(wrp, 1, PWRAP_WRAP_EN);
+
+ pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
+
+ pwrap_writel(wrp, 1, PWRAP_WACS2_EN);
+
+ ret = wrp->master->init_reg_clock(wrp);
+ if (ret)
+ return ret;
+
+ if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SPI)) {
+ /* Setup serial input delay */
+ ret = pwrap_init_sidly(wrp);
+ if (ret)
+ return ret;
+ }
+
+ if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_DUALIO)) {
+ /* Enable dual I/O mode */
+ ret = pwrap_init_dual_io(wrp);
+ if (ret)
+ return ret;
+ }
+
+ if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SECURITY)) {
+ /* Enable security on bus */
+ ret = pwrap_init_security(wrp);
+ if (ret)
+ return ret;
+ }
+
+ if (wrp->master->type == PWRAP_MT8135)
+ pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN);
+
+ pwrap_writel(wrp, 0x1, PWRAP_WACS0_EN);
+ pwrap_writel(wrp, 0x1, PWRAP_WACS1_EN);
+ pwrap_writel(wrp, 0x1, PWRAP_WACS2_EN);
+ pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD);
+ pwrap_writel(wrp, 0xff, PWRAP_STAUPD_GRPEN);
+
+ if (wrp->master->init_soc_specific) {
+ ret = wrp->master->init_soc_specific(wrp);
+ if (ret)
+ return ret;
+ }
+
+ /* Setup the init done registers */
+ pwrap_writel(wrp, 1, PWRAP_INIT_DONE2);
+ pwrap_writel(wrp, 1, PWRAP_INIT_DONE0);
+ pwrap_writel(wrp, 1, PWRAP_INIT_DONE1);
+
+ if (wrp->master->has_bridge) {
+ writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE3);
+ writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE4);
+ }
+
+ return 0;
+}
+
+static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
+{
+ u32 rdata;
+ struct pmic_wrapper *wrp = dev_id;
+
+ rdata = pwrap_readl(wrp, PWRAP_INT_FLG);
+
+ dev_err(wrp->dev, "unexpected interrupt int=0x%x\n", rdata);
+
+ pwrap_writel(wrp, 0xffffffff, PWRAP_INT_CLR);
+
+ return IRQ_HANDLED;
+}
+
+static const struct regmap_config pwrap_regmap_config16 = {
+ .reg_bits = 16,
+ .val_bits = 16,
+ .reg_stride = 2,
+ .reg_read = pwrap_regmap_read,
+ .reg_write = pwrap_regmap_write,
+ .max_register = 0xffff,
+};
+
+static const struct regmap_config pwrap_regmap_config32 = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .reg_read = pwrap_regmap_read,
+ .reg_write = pwrap_regmap_write,
+ .max_register = 0xffff,
+};
+
+static const struct pwrap_slv_type pmic_mt6323 = {
+ .dew_regs = mt6323_regs,
+ .type = PMIC_MT6323,
+ .regmap = &pwrap_regmap_config16,
+ .caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO |
+ PWRAP_SLV_CAP_SECURITY,
+ .pwrap_read = pwrap_read16,
+ .pwrap_write = pwrap_write16,
+};
+
+static const struct pwrap_slv_type pmic_mt6380 = {
+ .dew_regs = NULL,
+ .type = PMIC_MT6380,
+ .regmap = &pwrap_regmap_config32,
+ .caps = 0,
+ .pwrap_read = pwrap_read32,
+ .pwrap_write = pwrap_write32,
+};
+
+static const struct pwrap_slv_type pmic_mt6397 = {
+ .dew_regs = mt6397_regs,
+ .type = PMIC_MT6397,
+ .regmap = &pwrap_regmap_config16,
+ .caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO |
+ PWRAP_SLV_CAP_SECURITY,
+ .pwrap_read = pwrap_read16,
+ .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,
+ }, {
+ /* The MT6380 PMIC only implements a regulator, so we bind it
+ * directly instead of using a MFD.
+ */
+ .compatible = "mediatek,mt6380-regulator",
+ .data = &pmic_mt6380,
+ }, {
+ .compatible = "mediatek,mt6397",
+ .data = &pmic_mt6397,
+ }, {
+ .compatible = "mediatek,mt6351",
+ .data = &pmic_mt6351,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, of_slave_match_tbl);
+
+static const struct pmic_wrapper_type pwrap_mt2701 = {
+ .regs = mt2701_regs,
+ .type = PWRAP_MT2701,
+ .arb_en_all = 0x3f,
+ .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,
+ .init_reg_clock = pwrap_mt2701_init_reg_clock,
+ .init_soc_specific = pwrap_mt2701_init_soc_specific,
+};
+
+static const struct pmic_wrapper_type pwrap_mt6797 = {
+ .regs = mt6797_regs,
+ .type = PWRAP_MT6797,
+ .arb_en_all = 0x01fff,
+ .int_en_all = 0xffffffc6,
+ .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 = NULL,
+};
+
+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,
+ .arb_en_all = 0x1ff,
+ .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,
+ .init_reg_clock = pwrap_common_init_reg_clock,
+ .init_soc_specific = pwrap_mt8135_init_soc_specific,
+};
+
+static const struct pmic_wrapper_type pwrap_mt8173 = {
+ .regs = mt8173_regs,
+ .type = PWRAP_MT8173,
+ .arb_en_all = 0x3f,
+ .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,
+ .init_reg_clock = pwrap_common_init_reg_clock,
+ .init_soc_specific = pwrap_mt8173_init_soc_specific,
+};
+
+static const struct of_device_id of_pwrap_match_tbl[] = {
+ {
+ .compatible = "mediatek,mt2701-pwrap",
+ .data = &pwrap_mt2701,
+ }, {
+ .compatible = "mediatek,mt6797-pwrap",
+ .data = &pwrap_mt6797,
+ }, {
+ .compatible = "mediatek,mt7622-pwrap",
+ .data = &pwrap_mt7622,
+ }, {
+ .compatible = "mediatek,mt8135-pwrap",
+ .data = &pwrap_mt8135,
+ }, {
+ .compatible = "mediatek,mt8173-pwrap",
+ .data = &pwrap_mt8173,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl);
+
+static int pwrap_probe(struct platform_device *pdev)
+{
+ int ret, irq;
+ struct pmic_wrapper *wrp;
+ struct device_node *np = pdev->dev.of_node;
+ const struct of_device_id *of_slave_id = NULL;
+ struct resource *res;
+
+ if (np->child)
+ of_slave_id = of_match_node(of_slave_match_tbl, np->child);
+
+ if (!of_slave_id) {
+ dev_dbg(&pdev->dev, "slave pmic should be defined in dts\n");
+ return -EINVAL;
+ }
+
+ wrp = devm_kzalloc(&pdev->dev, sizeof(*wrp), GFP_KERNEL);
+ if (!wrp)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, wrp);
+
+ wrp->master = of_device_get_match_data(&pdev->dev);
+ wrp->slave = of_slave_id->data;
+ wrp->dev = &pdev->dev;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap");
+ wrp->base = devm_ioremap_resource(wrp->dev, res);
+ 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 (wrp->master->has_bridge) {
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "pwrap-bridge");
+ wrp->bridge_base = devm_ioremap_resource(wrp->dev, res);
+ if (IS_ERR(wrp->bridge_base))
+ return PTR_ERR(wrp->bridge_base);
+
+ wrp->rstc_bridge = devm_reset_control_get(wrp->dev,
+ "pwrap-bridge");
+ if (IS_ERR(wrp->rstc_bridge)) {
+ ret = PTR_ERR(wrp->rstc_bridge);
+ dev_dbg(wrp->dev,
+ "cannot get pwrap-bridge reset: %d\n", ret);
+ return ret;
+ }
+ }
+
+ wrp->clk_spi = devm_clk_get(wrp->dev, "spi");
+ if (IS_ERR(wrp->clk_spi)) {
+ dev_dbg(wrp->dev, "failed to get clock: %ld\n",
+ PTR_ERR(wrp->clk_spi));
+ return PTR_ERR(wrp->clk_spi);
+ }
+
+ wrp->clk_wrap = devm_clk_get(wrp->dev, "wrap");
+ if (IS_ERR(wrp->clk_wrap)) {
+ dev_dbg(wrp->dev, "failed to get clock: %ld\n",
+ PTR_ERR(wrp->clk_wrap));
+ return PTR_ERR(wrp->clk_wrap);
+ }
+
+ ret = clk_prepare_enable(wrp->clk_spi);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(wrp->clk_wrap);
+ if (ret)
+ goto err_out1;
+
+ /* Enable internal dynamic clock */
+ pwrap_writel(wrp, 1, PWRAP_DCM_EN);
+ pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
+
+ /*
+ * The PMIC could already be initialized by the bootloader.
+ * Skip initialization here in this case.
+ */
+ if (!pwrap_readl(wrp, PWRAP_INIT_DONE2)) {
+ ret = pwrap_init(wrp);
+ if (ret) {
+ dev_dbg(wrp->dev, "init failed with %d\n", ret);
+ goto err_out2;
+ }
+ }
+
+ if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_INIT_DONE0)) {
+ dev_dbg(wrp->dev, "initialization isn't finished\n");
+ ret = -ENODEV;
+ goto err_out2;
+ }
+
+ /* Initialize watchdog, may not be done by the bootloader */
+ pwrap_writel(wrp, 0xf, PWRAP_WDT_UNIT);
+ /*
+ * Since STAUPD was not used on mt8173 platform,
+ * so STAUPD of WDT_SRC which should be turned off
+ */
+ pwrap_writel(wrp, wrp->master->wdt_src, PWRAP_WDT_SRC_EN);
+ pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN);
+ pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN);
+
+ irq = platform_get_irq(pdev, 0);
+ ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt,
+ IRQF_TRIGGER_HIGH,
+ "mt-pmic-pwrap", wrp);
+ if (ret)
+ goto err_out2;
+
+ wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, wrp->slave->regmap);
+ if (IS_ERR(wrp->regmap)) {
+ ret = PTR_ERR(wrp->regmap);
+ goto err_out2;
+ }
+
+ ret = of_platform_populate(np, NULL, NULL, wrp->dev);
+ if (ret) {
+ dev_dbg(wrp->dev, "failed to create child devices at %pOF\n",
+ np);
+ goto err_out2;
+ }
+
+ return 0;
+
+err_out2:
+ clk_disable_unprepare(wrp->clk_wrap);
+err_out1:
+ clk_disable_unprepare(wrp->clk_spi);
+
+ return ret;
+}
+
+static struct platform_driver pwrap_drv = {
+ .driver = {
+ .name = "mt-pmic-pwrap",
+ .of_match_table = of_match_ptr(of_pwrap_match_tbl),
+ },
+ .probe = pwrap_probe,
+};
+
+module_platform_driver(pwrap_drv);
+
+MODULE_AUTHOR("Flora Fu, MediaTek");
+MODULE_DESCRIPTION("MediaTek MT8135 PMIC Wrapper Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
new file mode 100644
index 000000000..ef54f1638
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -0,0 +1,1077 @@
+/*
+ * Copyright (c) 2015 Pengutronix, Sascha Hauer <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <linux/clk.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regulator/consumer.h>
+#include <linux/soc/mediatek/infracfg.h>
+
+#include <dt-bindings/power/mt2701-power.h>
+#include <dt-bindings/power/mt2712-power.h>
+#include <dt-bindings/power/mt6797-power.h>
+#include <dt-bindings/power/mt7622-power.h>
+#include <dt-bindings/power/mt7623a-power.h>
+#include <dt-bindings/power/mt8173-power.h>
+
+#define MTK_POLL_DELAY_US 10
+#define MTK_POLL_TIMEOUT (jiffies_to_usecs(HZ))
+
+#define MTK_SCPD_ACTIVE_WAKEUP BIT(0)
+#define MTK_SCPD_FWAIT_SRAM BIT(1)
+#define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x))
+
+#define SPM_VDE_PWR_CON 0x0210
+#define SPM_MFG_PWR_CON 0x0214
+#define SPM_VEN_PWR_CON 0x0230
+#define SPM_ISP_PWR_CON 0x0238
+#define SPM_DIS_PWR_CON 0x023c
+#define SPM_CONN_PWR_CON 0x0280
+#define SPM_VEN2_PWR_CON 0x0298
+#define SPM_AUDIO_PWR_CON 0x029c /* MT8173, MT2712 */
+#define SPM_BDP_PWR_CON 0x029c /* MT2701 */
+#define SPM_ETH_PWR_CON 0x02a0
+#define SPM_HIF_PWR_CON 0x02a4
+#define SPM_IFR_MSC_PWR_CON 0x02a8
+#define SPM_MFG_2D_PWR_CON 0x02c0
+#define SPM_MFG_ASYNC_PWR_CON 0x02c4
+#define SPM_USB_PWR_CON 0x02cc
+#define SPM_USB2_PWR_CON 0x02d4 /* MT2712 */
+#define SPM_ETHSYS_PWR_CON 0x02e0 /* MT7622 */
+#define SPM_HIF0_PWR_CON 0x02e4 /* MT7622 */
+#define SPM_HIF1_PWR_CON 0x02e8 /* MT7622 */
+#define SPM_WB_PWR_CON 0x02ec /* MT7622 */
+
+#define SPM_PWR_STATUS 0x060c
+#define SPM_PWR_STATUS_2ND 0x0610
+
+#define PWR_RST_B_BIT BIT(0)
+#define PWR_ISO_BIT BIT(1)
+#define PWR_ON_BIT BIT(2)
+#define PWR_ON_2ND_BIT BIT(3)
+#define PWR_CLK_DIS_BIT BIT(4)
+
+#define PWR_STATUS_CONN BIT(1)
+#define PWR_STATUS_DISP BIT(3)
+#define PWR_STATUS_MFG BIT(4)
+#define PWR_STATUS_ISP BIT(5)
+#define PWR_STATUS_VDEC BIT(7)
+#define PWR_STATUS_BDP BIT(14)
+#define PWR_STATUS_ETH BIT(15)
+#define PWR_STATUS_HIF BIT(16)
+#define PWR_STATUS_IFR_MSC BIT(17)
+#define PWR_STATUS_USB2 BIT(19) /* MT2712 */
+#define PWR_STATUS_VENC_LT BIT(20)
+#define PWR_STATUS_VENC BIT(21)
+#define PWR_STATUS_MFG_2D BIT(22) /* MT8173 */
+#define PWR_STATUS_MFG_ASYNC BIT(23) /* MT8173 */
+#define PWR_STATUS_AUDIO BIT(24) /* MT8173, MT2712 */
+#define PWR_STATUS_USB BIT(25) /* MT8173, MT2712 */
+#define PWR_STATUS_ETHSYS BIT(24) /* MT7622 */
+#define PWR_STATUS_HIF0 BIT(25) /* MT7622 */
+#define PWR_STATUS_HIF1 BIT(26) /* MT7622 */
+#define PWR_STATUS_WB BIT(27) /* MT7622 */
+
+enum clk_id {
+ CLK_NONE,
+ CLK_MM,
+ CLK_MFG,
+ CLK_VENC,
+ CLK_VENC_LT,
+ CLK_ETHIF,
+ CLK_VDEC,
+ CLK_HIFSEL,
+ CLK_JPGDEC,
+ CLK_AUDIO,
+ CLK_MAX,
+};
+
+static const char * const clk_names[] = {
+ NULL,
+ "mm",
+ "mfg",
+ "venc",
+ "venc_lt",
+ "ethif",
+ "vdec",
+ "hif_sel",
+ "jpgdec",
+ "audio",
+ NULL,
+};
+
+#define MAX_CLKS 3
+
+struct scp_domain_data {
+ const char *name;
+ u32 sta_mask;
+ int ctl_offs;
+ u32 sram_pdn_bits;
+ u32 sram_pdn_ack_bits;
+ u32 bus_prot_mask;
+ enum clk_id clk_id[MAX_CLKS];
+ u8 caps;
+};
+
+struct scp;
+
+struct scp_domain {
+ struct generic_pm_domain genpd;
+ struct scp *scp;
+ struct clk *clk[MAX_CLKS];
+ const struct scp_domain_data *data;
+ struct regulator *supply;
+};
+
+struct scp_ctrl_reg {
+ int pwr_sta_offs;
+ int pwr_sta2nd_offs;
+};
+
+struct scp {
+ struct scp_domain *domains;
+ struct genpd_onecell_data pd_data;
+ struct device *dev;
+ void __iomem *base;
+ struct regmap *infracfg;
+ struct scp_ctrl_reg ctrl_reg;
+ bool bus_prot_reg_update;
+};
+
+struct scp_subdomain {
+ int origin;
+ int subdomain;
+};
+
+struct scp_soc_data {
+ const struct scp_domain_data *domains;
+ int num_domains;
+ const struct scp_subdomain *subdomains;
+ int num_subdomains;
+ const struct scp_ctrl_reg regs;
+ bool bus_prot_reg_update;
+};
+
+static int scpsys_domain_is_on(struct scp_domain *scpd)
+{
+ struct scp *scp = scpd->scp;
+
+ u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) &
+ scpd->data->sta_mask;
+ u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) &
+ scpd->data->sta_mask;
+
+ /*
+ * A domain is on when both status bits are set. If only one is set
+ * return an error. This happens while powering up a domain
+ */
+
+ if (status && status2)
+ return true;
+ if (!status && !status2)
+ return false;
+
+ return -EINVAL;
+}
+
+static int scpsys_power_on(struct generic_pm_domain *genpd)
+{
+ struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
+ struct scp *scp = scpd->scp;
+ void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
+ u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
+ u32 val;
+ int ret, tmp;
+ int i;
+
+ if (scpd->supply) {
+ ret = regulator_enable(scpd->supply);
+ if (ret)
+ return ret;
+ }
+
+ for (i = 0; i < MAX_CLKS && scpd->clk[i]; i++) {
+ ret = clk_prepare_enable(scpd->clk[i]);
+ if (ret) {
+ for (--i; i >= 0; i--)
+ clk_disable_unprepare(scpd->clk[i]);
+
+ goto err_clk;
+ }
+ }
+
+ val = readl(ctl_addr);
+ val |= PWR_ON_BIT;
+ writel(val, ctl_addr);
+ val |= PWR_ON_2ND_BIT;
+ writel(val, ctl_addr);
+
+ /* wait until PWR_ACK = 1 */
+ ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp > 0,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto err_pwr_ack;
+
+ val &= ~PWR_CLK_DIS_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_ISO_BIT;
+ writel(val, ctl_addr);
+
+ val |= PWR_RST_B_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~scpd->data->sram_pdn_bits;
+ writel(val, ctl_addr);
+
+ /* Either wait until SRAM_PDN_ACK all 0 or have a force wait */
+ if (MTK_SCPD_CAPS(scpd, MTK_SCPD_FWAIT_SRAM)) {
+ /*
+ * Currently, MTK_SCPD_FWAIT_SRAM is necessary only for
+ * MT7622_POWER_DOMAIN_WB and thus just a trivial setup is
+ * applied here.
+ */
+ usleep_range(12000, 12100);
+
+ } else {
+ ret = readl_poll_timeout(ctl_addr, tmp, (tmp & pdn_ack) == 0,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto err_pwr_ack;
+ }
+
+ if (scpd->data->bus_prot_mask) {
+ ret = mtk_infracfg_clear_bus_protection(scp->infracfg,
+ scpd->data->bus_prot_mask,
+ scp->bus_prot_reg_update);
+ if (ret)
+ goto err_pwr_ack;
+ }
+
+ return 0;
+
+err_pwr_ack:
+ for (i = MAX_CLKS - 1; i >= 0; i--) {
+ if (scpd->clk[i])
+ clk_disable_unprepare(scpd->clk[i]);
+ }
+err_clk:
+ if (scpd->supply)
+ regulator_disable(scpd->supply);
+
+ dev_err(scp->dev, "Failed to power on domain %s\n", genpd->name);
+
+ return ret;
+}
+
+static int scpsys_power_off(struct generic_pm_domain *genpd)
+{
+ struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
+ struct scp *scp = scpd->scp;
+ void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
+ u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
+ u32 val;
+ int ret, tmp;
+ int i;
+
+ if (scpd->data->bus_prot_mask) {
+ ret = mtk_infracfg_set_bus_protection(scp->infracfg,
+ scpd->data->bus_prot_mask,
+ scp->bus_prot_reg_update);
+ if (ret)
+ goto out;
+ }
+
+ val = readl(ctl_addr);
+ val |= scpd->data->sram_pdn_bits;
+ writel(val, ctl_addr);
+
+ /* wait until SRAM_PDN_ACK all 1 */
+ ret = readl_poll_timeout(ctl_addr, tmp, (tmp & pdn_ack) == pdn_ack,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto out;
+
+ val |= PWR_ISO_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_RST_B_BIT;
+ writel(val, ctl_addr);
+
+ val |= PWR_CLK_DIS_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_ON_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_ON_2ND_BIT;
+ writel(val, ctl_addr);
+
+ /* wait until PWR_ACK = 0 */
+ ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp == 0,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto out;
+
+ for (i = 0; i < MAX_CLKS && scpd->clk[i]; i++)
+ clk_disable_unprepare(scpd->clk[i]);
+
+ if (scpd->supply)
+ regulator_disable(scpd->supply);
+
+ return 0;
+
+out:
+ dev_err(scp->dev, "Failed to power off domain %s\n", genpd->name);
+
+ return ret;
+}
+
+static void init_clks(struct platform_device *pdev, struct clk **clk)
+{
+ int i;
+
+ for (i = CLK_NONE + 1; i < CLK_MAX; i++)
+ clk[i] = devm_clk_get(&pdev->dev, clk_names[i]);
+}
+
+static struct scp *init_scp(struct platform_device *pdev,
+ const struct scp_domain_data *scp_domain_data, int num,
+ const struct scp_ctrl_reg *scp_ctrl_reg,
+ bool bus_prot_reg_update)
+{
+ struct genpd_onecell_data *pd_data;
+ struct resource *res;
+ int i, j;
+ struct scp *scp;
+ struct clk *clk[CLK_MAX];
+
+ scp = devm_kzalloc(&pdev->dev, sizeof(*scp), GFP_KERNEL);
+ if (!scp)
+ return ERR_PTR(-ENOMEM);
+
+ scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
+ scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
+
+ scp->bus_prot_reg_update = bus_prot_reg_update;
+
+ scp->dev = &pdev->dev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ scp->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(scp->base))
+ return ERR_CAST(scp->base);
+
+ scp->domains = devm_kcalloc(&pdev->dev,
+ num, sizeof(*scp->domains), GFP_KERNEL);
+ if (!scp->domains)
+ return ERR_PTR(-ENOMEM);
+
+ pd_data = &scp->pd_data;
+
+ pd_data->domains = devm_kcalloc(&pdev->dev,
+ num, sizeof(*pd_data->domains), GFP_KERNEL);
+ if (!pd_data->domains)
+ return ERR_PTR(-ENOMEM);
+
+ scp->infracfg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "infracfg");
+ if (IS_ERR(scp->infracfg)) {
+ dev_err(&pdev->dev, "Cannot find infracfg controller: %ld\n",
+ PTR_ERR(scp->infracfg));
+ return ERR_CAST(scp->infracfg);
+ }
+
+ for (i = 0; i < num; i++) {
+ struct scp_domain *scpd = &scp->domains[i];
+ const struct scp_domain_data *data = &scp_domain_data[i];
+
+ scpd->supply = devm_regulator_get_optional(&pdev->dev, data->name);
+ if (IS_ERR(scpd->supply)) {
+ if (PTR_ERR(scpd->supply) == -ENODEV)
+ scpd->supply = NULL;
+ else
+ return ERR_CAST(scpd->supply);
+ }
+ }
+
+ pd_data->num_domains = num;
+
+ init_clks(pdev, clk);
+
+ for (i = 0; i < num; i++) {
+ struct scp_domain *scpd = &scp->domains[i];
+ struct generic_pm_domain *genpd = &scpd->genpd;
+ const struct scp_domain_data *data = &scp_domain_data[i];
+
+ pd_data->domains[i] = genpd;
+ scpd->scp = scp;
+
+ scpd->data = data;
+
+ for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) {
+ struct clk *c = clk[data->clk_id[j]];
+
+ if (IS_ERR(c)) {
+ dev_err(&pdev->dev, "%s: clk unavailable\n",
+ data->name);
+ return ERR_CAST(c);
+ }
+
+ scpd->clk[j] = c;
+ }
+
+ genpd->name = data->name;
+ genpd->power_off = scpsys_power_off;
+ genpd->power_on = scpsys_power_on;
+ if (MTK_SCPD_CAPS(scpd, MTK_SCPD_ACTIVE_WAKEUP))
+ genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP;
+ }
+
+ return scp;
+}
+
+static void mtk_register_power_domains(struct platform_device *pdev,
+ struct scp *scp, int num)
+{
+ struct genpd_onecell_data *pd_data;
+ int i, ret;
+
+ for (i = 0; i < num; i++) {
+ struct scp_domain *scpd = &scp->domains[i];
+ struct generic_pm_domain *genpd = &scpd->genpd;
+ bool on;
+
+ /*
+ * Initially turn on all domains to make the domains usable
+ * with !CONFIG_PM and to get the hardware in sync with the
+ * software. The unused domains will be switched off during
+ * late_init time.
+ */
+ on = !WARN_ON(genpd->power_on(genpd) < 0);
+
+ pm_genpd_init(genpd, NULL, !on);
+ }
+
+ /*
+ * We are not allowed to fail here since there is no way to unregister
+ * a power domain. Once registered above we have to keep the domains
+ * valid.
+ */
+
+ pd_data = &scp->pd_data;
+
+ ret = of_genpd_add_provider_onecell(pdev->dev.of_node, pd_data);
+ if (ret)
+ dev_err(&pdev->dev, "Failed to add OF provider: %d\n", ret);
+}
+
+/*
+ * MT2701 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt2701[] = {
+ [MT2701_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = SPM_CONN_PWR_CON,
+ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+ MT2701_TOP_AXI_PROT_EN_CONN_S,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_DISP] = {
+ .name = "disp",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MFG},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_BDP] = {
+ .name = "bdp",
+ .sta_mask = PWR_STATUS_BDP,
+ .ctl_offs = SPM_BDP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_ETH] = {
+ .name = "eth",
+ .sta_mask = PWR_STATUS_ETH,
+ .ctl_offs = SPM_ETH_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_HIF] = {
+ .name = "hif",
+ .sta_mask = PWR_STATUS_HIF,
+ .ctl_offs = SPM_HIF_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_IFR_MSC] = {
+ .name = "ifr_msc",
+ .sta_mask = PWR_STATUS_IFR_MSC,
+ .ctl_offs = SPM_IFR_MSC_PWR_CON,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+/*
+ * MT2712 power domain support
+ */
+static const struct scp_domain_data scp_domain_data_mt2712[] = {
+ [MT2712_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM, CLK_VDEC},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = SPM_VEN_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM, CLK_VENC, CLK_JPGDEC},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = SPM_AUDIO_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_AUDIO},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_USB] = {
+ .name = "usb",
+ .sta_mask = PWR_STATUS_USB,
+ .ctl_offs = SPM_USB_PWR_CON,
+ .sram_pdn_bits = GENMASK(10, 8),
+ .sram_pdn_ack_bits = GENMASK(14, 12),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_USB2] = {
+ .name = "usb2",
+ .sta_mask = PWR_STATUS_USB2,
+ .ctl_offs = SPM_USB2_PWR_CON,
+ .sram_pdn_bits = GENMASK(10, 8),
+ .sram_pdn_ack_bits = GENMASK(14, 12),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_MFG},
+ .bus_prot_mask = BIT(14) | BIT(21) | BIT(23),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG_SC1] = {
+ .name = "mfg_sc1",
+ .sta_mask = BIT(22),
+ .ctl_offs = 0x02c0,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG_SC2] = {
+ .name = "mfg_sc2",
+ .sta_mask = BIT(23),
+ .ctl_offs = 0x02c4,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG_SC3] = {
+ .name = "mfg_sc3",
+ .sta_mask = BIT(30),
+ .ctl_offs = 0x01f8,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+static const struct scp_subdomain scp_subdomain_mt2712[] = {
+ {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VDEC},
+ {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VENC},
+ {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_ISP},
+ {MT2712_POWER_DOMAIN_MFG, MT2712_POWER_DOMAIN_MFG_SC1},
+ {MT2712_POWER_DOMAIN_MFG_SC1, MT2712_POWER_DOMAIN_MFG_SC2},
+ {MT2712_POWER_DOMAIN_MFG_SC2, MT2712_POWER_DOMAIN_MFG_SC3},
+};
+
+/*
+ * MT6797 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt6797[] = {
+ [MT6797_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x300,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_VDEC},
+ },
+ [MT6797_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = BIT(21),
+ .ctl_offs = 0x304,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6797_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = BIT(5),
+ .ctl_offs = 0x308,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6797_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x30C,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = (BIT(1) | BIT(2)),
+ },
+ [MT6797_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = BIT(24),
+ .ctl_offs = 0x314,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6797_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x334,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_MFG},
+ },
+ [MT6797_POWER_DOMAIN_MJC] = {
+ .name = "mjc",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x310,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_NONE},
+ },
+};
+
+#define SPM_PWR_STATUS_MT6797 0x0180
+#define SPM_PWR_STATUS_2ND_MT6797 0x0184
+
+static const struct scp_subdomain scp_subdomain_mt6797[] = {
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
+};
+
+/*
+ * MT7622 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt7622[] = {
+ [MT7622_POWER_DOMAIN_ETHSYS] = {
+ .name = "ethsys",
+ .sta_mask = PWR_STATUS_ETHSYS,
+ .ctl_offs = SPM_ETHSYS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7622_POWER_DOMAIN_HIF0] = {
+ .name = "hif0",
+ .sta_mask = PWR_STATUS_HIF0,
+ .ctl_offs = SPM_HIF0_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_HIFSEL},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7622_POWER_DOMAIN_HIF1] = {
+ .name = "hif1",
+ .sta_mask = PWR_STATUS_HIF1,
+ .ctl_offs = SPM_HIF1_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_HIFSEL},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7622_POWER_DOMAIN_WB] = {
+ .name = "wb",
+ .sta_mask = PWR_STATUS_WB,
+ .ctl_offs = SPM_WB_PWR_CON,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_FWAIT_SRAM,
+ },
+};
+
+/*
+ * MT7623A power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt7623a[] = {
+ [MT7623A_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = SPM_CONN_PWR_CON,
+ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+ MT2701_TOP_AXI_PROT_EN_CONN_S,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7623A_POWER_DOMAIN_ETH] = {
+ .name = "eth",
+ .sta_mask = PWR_STATUS_ETH,
+ .ctl_offs = SPM_ETH_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7623A_POWER_DOMAIN_HIF] = {
+ .name = "hif",
+ .sta_mask = PWR_STATUS_HIF,
+ .ctl_offs = SPM_HIF_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7623A_POWER_DOMAIN_IFR_MSC] = {
+ .name = "ifr_msc",
+ .sta_mask = PWR_STATUS_IFR_MSC,
+ .ctl_offs = SPM_IFR_MSC_PWR_CON,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+/*
+ * MT8173 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt8173[] = {
+ [MT8173_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ },
+ [MT8173_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = SPM_VEN_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM, CLK_VENC},
+ },
+ [MT8173_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ },
+ [MT8173_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
+ MT8173_TOP_AXI_PROT_EN_MM_M1,
+ },
+ [MT8173_POWER_DOMAIN_VENC_LT] = {
+ .name = "venc_lt",
+ .sta_mask = PWR_STATUS_VENC_LT,
+ .ctl_offs = SPM_VEN2_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM, CLK_VENC_LT},
+ },
+ [MT8173_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = SPM_AUDIO_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT8173_POWER_DOMAIN_USB] = {
+ .name = "usb",
+ .sta_mask = PWR_STATUS_USB,
+ .ctl_offs = SPM_USB_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_MFG},
+ },
+ [MT8173_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = PWR_STATUS_MFG_2D,
+ .ctl_offs = SPM_MFG_2D_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT8173_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .sram_pdn_bits = GENMASK(13, 8),
+ .sram_pdn_ack_bits = GENMASK(21, 16),
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
+ MT8173_TOP_AXI_PROT_EN_MFG_M0 |
+ MT8173_TOP_AXI_PROT_EN_MFG_M1 |
+ MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
+ },
+};
+
+static const struct scp_subdomain scp_subdomain_mt8173[] = {
+ {MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
+ {MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
+};
+
+static const struct scp_soc_data mt2701_data = {
+ .domains = scp_domain_data_mt2701,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt2712_data = {
+ .domains = scp_domain_data_mt2712,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt2712),
+ .subdomains = scp_subdomain_mt2712,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt2712),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = false,
+};
+
+static const struct scp_soc_data mt6797_data = {
+ .domains = scp_domain_data_mt6797,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
+ .subdomains = scp_subdomain_mt6797,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS_MT6797,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt7622_data = {
+ .domains = scp_domain_data_mt7622,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt7622),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt7623a_data = {
+ .domains = scp_domain_data_mt7623a,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt7623a),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt8173_data = {
+ .domains = scp_domain_data_mt8173,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
+ .subdomains = scp_subdomain_mt8173,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+/*
+ * scpsys driver init
+ */
+
+static const struct of_device_id of_scpsys_match_tbl[] = {
+ {
+ .compatible = "mediatek,mt2701-scpsys",
+ .data = &mt2701_data,
+ }, {
+ .compatible = "mediatek,mt2712-scpsys",
+ .data = &mt2712_data,
+ }, {
+ .compatible = "mediatek,mt6797-scpsys",
+ .data = &mt6797_data,
+ }, {
+ .compatible = "mediatek,mt7622-scpsys",
+ .data = &mt7622_data,
+ }, {
+ .compatible = "mediatek,mt7623a-scpsys",
+ .data = &mt7623a_data,
+ }, {
+ .compatible = "mediatek,mt8173-scpsys",
+ .data = &mt8173_data,
+ }, {
+ /* sentinel */
+ }
+};
+
+static int scpsys_probe(struct platform_device *pdev)
+{
+ const struct scp_subdomain *sd;
+ const struct scp_soc_data *soc;
+ struct scp *scp;
+ struct genpd_onecell_data *pd_data;
+ int i, ret;
+
+ soc = of_device_get_match_data(&pdev->dev);
+
+ scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
+ soc->bus_prot_reg_update);
+ if (IS_ERR(scp))
+ return PTR_ERR(scp);
+
+ mtk_register_power_domains(pdev, scp, soc->num_domains);
+
+ pd_data = &scp->pd_data;
+
+ for (i = 0, sd = soc->subdomains; i < soc->num_subdomains; i++, sd++) {
+ ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
+ pd_data->domains[sd->subdomain]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
+ ret);
+ }
+
+ return 0;
+}
+
+static struct platform_driver scpsys_drv = {
+ .probe = scpsys_probe,
+ .driver = {
+ .name = "mtk-scpsys",
+ .suppress_bind_attrs = true,
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(of_scpsys_match_tbl),
+ },
+};
+builtin_platform_driver(scpsys_drv);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 09:59:02 +0000