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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/mfd/sec-i2c.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'drivers/mfd/sec-i2c.c')
-rw-r--r--drivers/mfd/sec-i2c.c267
1 files changed, 267 insertions, 0 deletions
diff --git a/drivers/mfd/sec-i2c.c b/drivers/mfd/sec-i2c.c
new file mode 100644
index 000000000..4eec8f7ce
--- /dev/null
+++ b/drivers/mfd/sec-i2c.c
@@ -0,0 +1,267 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2012 Samsung Electronics Co., Ltd
+ * http://www.samsung.com
+ * Copyright 2025 Linaro Ltd.
+ *
+ * Samsung SxM I2C driver
+ */
+
+#include <linux/dev_printk.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mfd/samsung/core.h>
+#include <linux/mfd/samsung/s2mpa01.h>
+#include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s2mps13.h>
+#include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mps15.h>
+#include <linux/mfd/samsung/s2mpu02.h>
+#include <linux/mfd/samsung/s2mu005.h>
+#include <linux/mfd/samsung/s5m8767.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include "sec-core.h"
+
+struct sec_pmic_i2c_platform_data {
+ const struct regmap_config *regmap_cfg;
+ int device_type;
+};
+
+static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPA01_REG_INT1M:
+ case S2MPA01_REG_INT2M:
+ case S2MPA01_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool s2mps11_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPS11_REG_INT1M:
+ case S2MPS11_REG_INT2M:
+ case S2MPS11_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool s2mpu02_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPU02_REG_INT1M:
+ case S2MPU02_REG_INT2M:
+ case S2MPU02_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool s2mu005_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MU005_REG_CHGR_INT1M:
+ case S2MU005_REG_FLED_INT1M:
+ case S2MU005_REG_MUIC_INT1M:
+ case S2MU005_REG_MUIC_INT2M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static const struct regmap_config s2dos05_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static const struct regmap_config s2mpa01_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPA01_REG_LDO_OVCB4,
+ .volatile_reg = s2mpa01_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps11_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS11_REG_L38CTRL,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps13_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS13_REG_LDODSCH5,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps14_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS14_REG_LDODSCH3,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps15_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS15_REG_LDODSCH4,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mpu02_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPU02_REG_DVSDATA,
+ .volatile_reg = s2mpu02_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mpu05_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static const struct regmap_config s2mu005_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MU005_REG_MUIC_LDOADC_H,
+ .volatile_reg = s2mu005_volatile,
+ .cache_type = REGCACHE_FLAT_S,
+};
+
+static const struct regmap_config s5m8767_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S5M8767_REG_LDO28CTRL,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static int sec_pmic_i2c_probe(struct i2c_client *client)
+{
+ const struct sec_pmic_i2c_platform_data *pdata;
+ struct regmap *regmap_pmic;
+
+ pdata = device_get_match_data(&client->dev);
+ if (!pdata)
+ return dev_err_probe(&client->dev, -ENODEV,
+ "Unsupported device type\n");
+
+ regmap_pmic = devm_regmap_init_i2c(client, pdata->regmap_cfg);
+ if (IS_ERR(regmap_pmic))
+ return dev_err_probe(&client->dev, PTR_ERR(regmap_pmic),
+ "regmap init failed\n");
+
+ return sec_pmic_probe(&client->dev, pdata->device_type, client->irq,
+ regmap_pmic, client);
+}
+
+static void sec_pmic_i2c_shutdown(struct i2c_client *i2c)
+{
+ sec_pmic_shutdown(&i2c->dev);
+}
+
+static const struct sec_pmic_i2c_platform_data s2dos05_data = {
+ .regmap_cfg = &s2dos05_regmap_config,
+ .device_type = S2DOS05
+};
+
+static const struct sec_pmic_i2c_platform_data s2mpa01_data = {
+ .regmap_cfg = &s2mpa01_regmap_config,
+ .device_type = S2MPA01,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mps11_data = {
+ .regmap_cfg = &s2mps11_regmap_config,
+ .device_type = S2MPS11X,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mps13_data = {
+ .regmap_cfg = &s2mps13_regmap_config,
+ .device_type = S2MPS13X,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mps14_data = {
+ .regmap_cfg = &s2mps14_regmap_config,
+ .device_type = S2MPS14X,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mps15_data = {
+ .regmap_cfg = &s2mps15_regmap_config,
+ .device_type = S2MPS15X,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mpu02_data = {
+ .regmap_cfg = &s2mpu02_regmap_config,
+ .device_type = S2MPU02,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mpu05_data = {
+ .regmap_cfg = &s2mpu05_regmap_config,
+ .device_type = S2MPU05,
+};
+
+static const struct sec_pmic_i2c_platform_data s2mu005_data = {
+ .regmap_cfg = &s2mu005_regmap_config,
+ .device_type = S2MU005,
+};
+
+static const struct sec_pmic_i2c_platform_data s5m8767_data = {
+ .regmap_cfg = &s5m8767_regmap_config,
+ .device_type = S5M8767X,
+};
+
+static const struct of_device_id sec_pmic_i2c_of_match[] = {
+ { .compatible = "samsung,s2dos05", .data = &s2dos05_data, },
+ { .compatible = "samsung,s2mpa01-pmic", .data = &s2mpa01_data, },
+ { .compatible = "samsung,s2mps11-pmic", .data = &s2mps11_data, },
+ { .compatible = "samsung,s2mps13-pmic", .data = &s2mps13_data, },
+ { .compatible = "samsung,s2mps14-pmic", .data = &s2mps14_data, },
+ { .compatible = "samsung,s2mps15-pmic", .data = &s2mps15_data, },
+ { .compatible = "samsung,s2mpu02-pmic", .data = &s2mpu02_data, },
+ { .compatible = "samsung,s2mpu05-pmic", .data = &s2mpu05_data, },
+ { .compatible = "samsung,s2mu005-pmic", .data = &s2mu005_data, },
+ { .compatible = "samsung,s5m8767-pmic", .data = &s5m8767_data, },
+ { },
+};
+MODULE_DEVICE_TABLE(of, sec_pmic_i2c_of_match);
+
+static struct i2c_driver sec_pmic_i2c_driver = {
+ .driver = {
+ .name = "sec-pmic-i2c",
+ .pm = pm_sleep_ptr(&sec_pmic_pm_ops),
+ .of_match_table = sec_pmic_i2c_of_match,
+ },
+ .probe = sec_pmic_i2c_probe,
+ .shutdown = sec_pmic_i2c_shutdown,
+};
+module_i2c_driver(sec_pmic_i2c_driver);
+
+MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
+MODULE_AUTHOR("André Draszik <andre.draszik@linaro.org>");
+MODULE_DESCRIPTION("I2C driver for the Samsung S5M");
+MODULE_LICENSE("GPL");