Merge tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Add support for a "resource managed strongly uncachable ioremap"
     call
   - Provide a collection of MFD helper macros
   - Remove mfd_clone_cell() from MFD core
   - Add NULL de-reference protection in MFD core
   - Remove superfluous function fd_platform_add_cell() from MFD core
   - Honour Device Tree's request to disable a device

  New Drivers:
   - Add support for MediaTek MT6323 PMIC

  New Device Support:
   - Add support for Gemini Lake to Intel LPSS PCI
   - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC
     CRC
   - Add support for PM{I}8950 to Qualcomm SPMI PMIC
   - Add support for U8420 to ST-Ericsson DB8500
   - Add support for Comet Lake PCH-H to Intel LPSS PCI

  New Functionality:
   - Add support for requested supply clocks; madera-core

  Fix-ups:
   - Lower interrupt priority; rk808
   - Use provided helpers (macros, group functions, defines); rk808,
     ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
   - Only allocate IRQs on request; max77620
   - Use simplified API; arizona-core
   - Remove redundant and/or duplicated code; wm8998-tables, arizona,
     syscon
   - Device Tree binding fix-ups; madera, max77650, max77693
   - Remove mfd_cell->id abuse hack; cs5535-mfd
   - Remove only user of mfd_clone_cell(); cs5535-mfd
   - Make resources static; rohm-bd70528

  Bug Fixes:
   - Fix product ID for RK818; rk808
   - Fix Power Key; rk808
   - Fix booting on the BananaPi; mt6397-core
   - Endian fix-ups; twl.h
   - Fix static error checker warnings; ti_am335x_tscadc"

* tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (47 commits)
  Revert "mfd: syscon: Set name of regmap_config"
  mfd: ti_am335x_tscadc: Fix static checker warning
  mfd: bd70528: Staticize bit value definitions
  mfd: mfd-core: Honour Device Tree's request to disable a child-device
  dt-bindings: mfd: max77693: Fix missing curly brace
  mfd: intel-lpss: Add Intel Comet Lake PCH-H PCI IDs
  mfd: db8500-prcmu: Support U8420-sysclk firmware
  dt-bindings: mfd: max77650: Convert the binding document to yaml
  mfd: mfd-core: Move pdev->mfd_cell creation back into mfd_add_device()
  mfd: mfd-core: Remove usage counting for .{en,dis}able() call-backs
  x86: olpc-xo1-sci: Remove invocation of MFD's .enable()/.disable() call-backs
  x86: olpc-xo1-pm: Remove invocation of MFD's .enable()/.disable() call-backs
  mfd: mfd-core: Remove mfd_clone_cell()
  mfd: mfd-core: Protect against NULL call-back function pointer
  mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries
  mfd: cs5535-mfd: Request shared IO regions centrally
  mfd: cs5535-mfd: Remove mfd_cell->id hack
  mfd: cs5535-mfd: Use PLATFORM_DEVID_* defines and tidy error message
  mfd: intel_soc_pmic_crc: Add "cht_crystal_cove_pmic" cell to CHT cells
  mfd: madera: Add support for requesting the supply clocks
  ...

10 files changed, 128 insertions, 38 deletions

diff --git a/include/linux/io.h b/include/linux/io.h
index accac822336a..a59834bc0a11 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -64,6 +64,8 @@ static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
 
 void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
 			   resource_size_t size);
+void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset,
+				   resource_size_t size);
 void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
 				   resource_size_t size);
 void __iomem *devm_ioremap_wc(struct device *dev, resource_size_t offset,
diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index bb1a2530ae27..49e24d1de8d4 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -1186,13 +1186,6 @@
 #define ARIZONA_DSP4_SCRATCH_1                   0x1441
 #define ARIZONA_DSP4_SCRATCH_2                   0x1442
 #define ARIZONA_DSP4_SCRATCH_3                   0x1443
-#define ARIZONA_FRF_COEFF_1                      0x1700
-#define ARIZONA_FRF_COEFF_2                      0x1701
-#define ARIZONA_FRF_COEFF_3                      0x1702
-#define ARIZONA_FRF_COEFF_4                      0x1703
-#define ARIZONA_V2_DAC_COMP_1                    0x1704
-#define ARIZONA_V2_DAC_COMP_2                    0x1705
-
 
 /*
  * Field Definitions.
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index b43fc5773ad7..d01d1299e49d 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -12,6 +12,35 @@
 
 #include <linux/platform_device.h>
 
+#define MFD_RES_SIZE(arr) (sizeof(arr) / sizeof(struct resource))
+
+#define MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _match)\
+	{								\
+		.name = (_name),					\
+		.resources = (_res),					\
+		.num_resources = MFD_RES_SIZE((_res)),			\
+		.platform_data = (_pdata),				\
+		.pdata_size = (_pdsize),				\
+		.of_compatible = (_compat),				\
+		.acpi_match = (_match),					\
+		.id = (_id),						\
+	}
+
+#define OF_MFD_CELL(_name, _res, _pdata, _pdsize,_id, _compat)		\
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, NULL)	\
+
+#define ACPI_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _match)	\
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, _match)	\
+
+#define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id)		\
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, NULL)	\
+
+#define MFD_CELL_RES(_name, _res)					\
+	MFD_CELL_ALL(_name, _res, NULL, 0, 0, NULL, NULL)		\
+
+#define MFD_CELL_NAME(_name)						\
+	MFD_CELL_ALL(_name, NULL, NULL, 0, 0, NULL, NULL)		\
+
 struct irq_domain;
 struct property_entry;
 
@@ -30,8 +59,6 @@ struct mfd_cell {
 	const char		*name;
 	int			id;
 
-	/* refcounting for multiple drivers to use a single cell */
-	atomic_t		*usage_count;
 	int			(*enable)(struct platform_device *dev);
 	int			(*disable)(struct platform_device *dev);
 
@@ -87,24 +114,6 @@ extern int mfd_cell_enable(struct platform_device *pdev);
 extern int mfd_cell_disable(struct platform_device *pdev);
 
 /*
- * "Clone" multiple platform devices for a single cell. This is to be used
- * for devices that have multiple users of a cell.  For example, if an mfd
- * driver wants the cell "foo" to be used by a GPIO driver, an MTD driver,
- * and a platform driver, the following bit of code would be use after first
- * calling mfd_add_devices():
- *
- * const char *fclones[] = { "foo-gpio", "foo-mtd" };
- * err = mfd_clone_cells("foo", fclones, ARRAY_SIZE(fclones));
- *
- * Each driver (MTD, GPIO, and platform driver) would then register
- * platform_drivers for "foo-mtd", "foo-gpio", and "foo", respectively.
- * The cell's .enable/.disable hooks should be used to deal with hardware
- * resource contention.
- */
-extern int mfd_clone_cell(const char *cell, const char **clones,
-		size_t n_clones);
-
-/*
  * Given a platform device that's been created by mfd_add_devices(), fetch
  * the mfd_cell that created it.
  */
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index 813710aa2cfd..1fc75d2b4a38 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -489,7 +489,7 @@ struct prcmu_auto_pm_config {
 
 #ifdef CONFIG_MFD_DB8500_PRCMU
 
-void db8500_prcmu_early_init(u32 phy_base, u32 size);
+void db8500_prcmu_early_init(void);
 int prcmu_set_rc_a2p(enum romcode_write);
 enum romcode_read prcmu_get_rc_p2a(void);
 enum ap_pwrst prcmu_get_xp70_current_state(void);
@@ -546,7 +546,7 @@ void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value);
 
 #else /* !CONFIG_MFD_DB8500_PRCMU */
 
-static inline void db8500_prcmu_early_init(u32 phy_base, u32 size) {}
+static inline void db8500_prcmu_early_init(void) {}
 
 static inline int prcmu_set_rc_a2p(enum romcode_write code)
 {
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 238401a50d0b..e2571040c7e8 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -190,6 +190,7 @@ enum ddr_pwrst {
 #define PRCMU_FW_PROJECT_U8500_MBL2	12 /* Customer specific */
 #define PRCMU_FW_PROJECT_U8520		13
 #define PRCMU_FW_PROJECT_U8420		14
+#define PRCMU_FW_PROJECT_U8420_SYSCLK	17
 #define PRCMU_FW_PROJECT_A9420		20
 /* [32..63] 9540 and derivatives */
 #define PRCMU_FW_PROJECT_U9540		32
@@ -211,9 +212,9 @@ struct prcmu_fw_version {
 
 #if defined(CONFIG_UX500_SOC_DB8500)
 
-static inline void prcmu_early_init(u32 phy_base, u32 size)
+static inline void prcmu_early_init(void)
 {
-	return db8500_prcmu_early_init(phy_base, size);
+	return db8500_prcmu_early_init();
 }
 
 static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
@@ -401,7 +402,7 @@ static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
 }
 #else
 
-static inline void prcmu_early_init(u32 phy_base, u32 size) {}
+static inline void prcmu_early_init(void) {}
 
 static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
 	bool keep_ap_pll)
diff --git a/include/linux/mfd/madera/core.h b/include/linux/mfd/madera/core.h
index 7ffa696cce7c..ad2c138105d4 100644
--- a/include/linux/mfd/madera/core.h
+++ b/include/linux/mfd/madera/core.h
@@ -8,6 +8,7 @@
 #ifndef MADERA_CORE_H
 #define MADERA_CORE_H
 
+#include <linux/clk.h>
 #include <linux/gpio/consumer.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/madera/pdata.h>
@@ -29,6 +30,13 @@ enum madera_type {
 	CS42L92 = 9,
 };
 
+enum {
+	MADERA_MCLK1,
+	MADERA_MCLK2,
+	MADERA_MCLK3,
+	MADERA_NUM_MCLK
+};
+
 #define MADERA_MAX_CORE_SUPPLIES	2
 #define MADERA_MAX_GPIOS		40
 
@@ -155,6 +163,7 @@ struct snd_soc_dapm_context;
  * @irq_dev:		the irqchip child driver device
  * @irq_data:		pointer to irqchip data for the child irqchip driver
  * @irq:		host irq number from SPI or I2C configuration
+ * @mclk:		Structure holding clock supplies
  * @out_clamp:		indicates output clamp state for each analogue output
  * @out_shorted:	indicates short circuit state for each analogue output
  * @hp_ena:		bitflags of enable state for the headphone outputs
@@ -184,6 +193,8 @@ struct madera {
 	struct regmap_irq_chip_data *irq_data;
 	int irq;
 
+	struct clk_bulk_data mclk[MADERA_NUM_MCLK];
+
 	unsigned int num_micbias;
 	unsigned int num_childbias[MADERA_MAX_MICBIAS];
 
diff --git a/include/linux/mfd/max77620.h b/include/linux/mfd/max77620.h
index 12ba157cb83f..f552ef5b1100 100644
--- a/include/linux/mfd/max77620.h
+++ b/include/linux/mfd/max77620.h
@@ -329,7 +329,6 @@ struct max77620_chip {
 	struct regmap *rmap;
 
 	int chip_irq;
-	int irq_base;
 
 	/* chip id */
 	enum max77620_chip_id chip_id;
diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
new file mode 100644
index 000000000000..f84b9163c0ee
--- /dev/null
+++ b/include/linux/mfd/mt6397/rtc.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2014-2019 MediaTek Inc.
+ *
+ * Author: Tianping.Fang <tianping.fang@mediatek.com>
+ *        Sean Wang <sean.wang@mediatek.com>
+ */
+
+#ifndef _LINUX_MFD_MT6397_RTC_H_
+#define _LINUX_MFD_MT6397_RTC_H_
+
+#include <linux/jiffies.h>
+#include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/rtc.h>
+
+#define RTC_BBPU               0x0000
+#define RTC_BBPU_CBUSY         BIT(6)
+#define RTC_BBPU_KEY            (0x43 << 8)
+
+#define RTC_WRTGR              0x003c
+
+#define RTC_IRQ_STA            0x0002
+#define RTC_IRQ_STA_AL         BIT(0)
+#define RTC_IRQ_STA_LP         BIT(3)
+
+#define RTC_IRQ_EN             0x0004
+#define RTC_IRQ_EN_AL          BIT(0)
+#define RTC_IRQ_EN_ONESHOT     BIT(2)
+#define RTC_IRQ_EN_LP          BIT(3)
+#define RTC_IRQ_EN_ONESHOT_AL  (RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL)
+
+#define RTC_AL_MASK            0x0008
+#define RTC_AL_MASK_DOW                BIT(4)
+
+#define RTC_TC_SEC             0x000a
+/* Min, Hour, Dom... register offset to RTC_TC_SEC */
+#define RTC_OFFSET_SEC         0
+#define RTC_OFFSET_MIN         1
+#define RTC_OFFSET_HOUR                2
+#define RTC_OFFSET_DOM         3
+#define RTC_OFFSET_DOW         4
+#define RTC_OFFSET_MTH         5
+#define RTC_OFFSET_YEAR                6
+#define RTC_OFFSET_COUNT       7
+
+#define RTC_AL_SEC             0x0018
+
+#define RTC_PDN2               0x002e
+#define RTC_PDN2_PWRON_ALARM   BIT(4)
+
+#define RTC_MIN_YEAR           1968
+#define RTC_BASE_YEAR          1900
+#define RTC_NUM_YEARS          128
+#define RTC_MIN_YEAR_OFFSET    (RTC_MIN_YEAR - RTC_BASE_YEAR)
+
+#define MTK_RTC_POLL_DELAY_US  10
+#define MTK_RTC_POLL_TIMEOUT   (jiffies_to_usecs(HZ))
+
+struct mt6397_rtc {
+	struct device           *dev;
+	struct rtc_device       *rtc_dev;
+
+	/* Protect register access from multiple tasks */
+	struct mutex            lock;
+	struct regmap           *regmap;
+	int                     irq;
+	u32                     addr_base;
+};
+
+#endif /* _LINUX_MFD_MT6397_RTC_H_ */
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 7cfd2b0504df..a59bf323f713 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -610,7 +610,7 @@ enum {
 	RK808_ID = 0x0000,
 	RK809_ID = 0x8090,
 	RK817_ID = 0x8170,
-	RK818_ID = 0x8181,
+	RK818_ID = 0x8180,
 };
 
 struct rk808 {
diff --git a/include/linux/mfd/twl.h b/include/linux/mfd/twl.h
index 44aff52a5002..089e8942223a 100644
--- a/include/linux/mfd/twl.h
+++ b/include/linux/mfd/twl.h
@@ -181,14 +181,18 @@ static inline int twl_i2c_read_u8(u8 mod_no, u8 *val, u8 reg) {
 }
 
 static inline int twl_i2c_write_u16(u8 mod_no, u16 val, u8 reg) {
-	val = cpu_to_le16(val);
-	return twl_i2c_write(mod_no, (u8*) &val, reg, 2);
+	__le16 value;
+
+	value = cpu_to_le16(val);
+	return twl_i2c_write(mod_no, (u8 *) &value, reg, 2);
 }
 
 static inline int twl_i2c_read_u16(u8 mod_no, u16 *val, u8 reg) {
 	int ret;
-	ret = twl_i2c_read(mod_no, (u8*) val, reg, 2);
-	*val = le16_to_cpu(*val);
+	__le16 value;
+
+	ret = twl_i2c_read(mod_no, (u8 *) &value, reg, 2);
+	*val = le16_to_cpu(value);
 	return ret;
 }