diff options
Diffstat (limited to 'drivers/sysreset')
| -rw-r--r-- | drivers/sysreset/Kconfig | 36 | ||||
| -rw-r--r-- | drivers/sysreset/Makefile | 5 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_max77663.c | 52 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_palmas.c | 52 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_tegra.c | 45 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_tps65910.c | 54 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_tps80031.c | 40 |
7 files changed, 284 insertions, 0 deletions
diff --git a/drivers/sysreset/Kconfig b/drivers/sysreset/Kconfig index bdbe2a9..0e52f99 100644 --- a/drivers/sysreset/Kconfig +++ b/drivers/sysreset/Kconfig @@ -74,6 +74,13 @@ config SYSRESET_GPIO example on Microblaze where reset logic can be controlled via GPIO pin which triggers cpu reset. +config SYSRESET_MAX77663 + bool "Enable support for MAX77663 PMIC System Reset" + depends on DM_PMIC_MAX77663 + select SYSRESET_CMD_POWEROFF if CMD_POWEROFF + help + Enable system power management functions found in MAX77663 PMIC. + config SYSRESET_MICROBLAZE bool "Enable support for Microblaze soft reset" depends on MICROBLAZE @@ -102,6 +109,13 @@ config SYSRESET_SPL_AT91 This enables the system reset driver support for Microchip/Atmel SoCs in SPL. +config SYSRESET_PALMAS + bool "Enable support for PALMAS System Reset" + depends on PMIC_PALMAS + select SYSRESET_CMD_POWEROFF if CMD_POWEROFF + help + Enable system power management functions found in PLAMAS PMIC family. + config SYSRESET_PSCI bool "Enable support for PSCI System Reset" depends on ARM_PSCI_FW @@ -137,6 +151,12 @@ config SYSRESET_SOCFPGA_SOC64 This enables the system reset driver support for Intel SOCFPGA SoC64 SoCs. +config SYSRESET_TEGRA + bool "Tegra PMC system reset driver" + depends on ARCH_TEGRA + help + This enables the system reset ability of PMC used in Tegra SoCs. + config SYSRESET_TI_SCI bool "TI System Control Interface (TI SCI) system reset driver" depends on TI_SCI_PROTOCOL @@ -144,6 +164,22 @@ config SYSRESET_TI_SCI This enables the system reset driver support over TI System Control Interface available on some new TI's SoCs. +config SYSRESET_TPS65910 + bool "Enable support for TPS65910/TPS65911 PMIC System Reset" + depends on DM_PMIC_TPS65910 + select SYSRESET_CMD_POWEROFF if CMD_POWEROFF + help + Enable system power management functions found in TPS65910/TPS65911 + PMICs. + +config SYSRESET_TPS80031 + bool "Enable support for TPS80031/TPS80032 PMIC System Reset" + depends on DM_PMIC_TPS80031 + select SYSRESET_CMD_POWEROFF if CMD_POWEROFF + help + Enable system power management functions found in TPS80031/TPS80032 + PMICs. + config SYSRESET_SYSCON bool "Enable support for mfd syscon reboot driver" select REGMAP diff --git a/drivers/sysreset/Makefile b/drivers/sysreset/Makefile index 40c8767..c9f1c62 100644 --- a/drivers/sysreset/Makefile +++ b/drivers/sysreset/Makefile @@ -9,14 +9,19 @@ obj-$(CONFIG_ARCH_STI) += sysreset_sti.o obj-$(CONFIG_SANDBOX) += sysreset_sandbox.o obj-$(CONFIG_POWEROFF_GPIO) += poweroff_gpio.o obj-$(CONFIG_SYSRESET_GPIO) += sysreset_gpio.o +obj-$(CONFIG_$(SPL_TPL_)SYSRESET_MAX77663) += sysreset_max77663.o obj-$(CONFIG_SYSRESET_MPC83XX) += sysreset_mpc83xx.o obj-$(CONFIG_SYSRESET_MICROBLAZE) += sysreset_microblaze.o obj-$(CONFIG_SYSRESET_OCTEON) += sysreset_octeon.o +obj-$(CONFIG_$(SPL_TPL_)SYSRESET_PALMAS) += sysreset_palmas.o obj-$(CONFIG_SYSRESET_PSCI) += sysreset_psci.o obj-$(CONFIG_SYSRESET_SBI) += sysreset_sbi.o obj-$(CONFIG_SYSRESET_SOCFPGA) += sysreset_socfpga.o obj-$(CONFIG_SYSRESET_SOCFPGA_SOC64) += sysreset_socfpga_soc64.o +obj-$(CONFIG_SYSRESET_TEGRA) += sysreset_tegra.o obj-$(CONFIG_SYSRESET_TI_SCI) += sysreset-ti-sci.o +obj-$(CONFIG_$(SPL_TPL_)SYSRESET_TPS65910) += sysreset_tps65910.o +obj-$(CONFIG_$(SPL_TPL_)SYSRESET_TPS80031) += sysreset_tps80031.o obj-$(CONFIG_SYSRESET_SYSCON) += sysreset_syscon.o obj-$(CONFIG_SYSRESET_WATCHDOG) += sysreset_watchdog.o obj-$(CONFIG_SYSRESET_RESETCTL) += sysreset_resetctl.o diff --git a/drivers/sysreset/sysreset_max77663.c b/drivers/sysreset/sysreset_max77663.c new file mode 100644 index 0000000..8febcf8 --- /dev/null +++ b/drivers/sysreset/sysreset_max77663.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <i2c.h> +#include <errno.h> +#include <sysreset.h> +#include <power/pmic.h> +#include <power/max77663.h> + +static int max77663_sysreset_request(struct udevice *dev, + enum sysreset_t type) +{ + int val; + + val = pmic_reg_read(dev->parent, MAX77663_REG_ONOFF_CFG1); + if (val < 0) + return val; + + /* clear both bits */ + val &= ~ONOFF_SFT_RST; + val &= ~ONOFF_PWR_OFF; + + switch (type) { + case SYSRESET_POWER: + /* MAX77663: SFT_RST > ONOFF_CFG1 */ + pmic_reg_write(dev->parent, MAX77663_REG_ONOFF_CFG1, + val | ONOFF_SFT_RST); + break; + case SYSRESET_POWER_OFF: + /* MAX77663: PWR_OFF > ONOFF_CFG1 */ + pmic_reg_write(dev->parent, MAX77663_REG_ONOFF_CFG1, + val | ONOFF_PWR_OFF); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops max77663_sysreset = { + .request = max77663_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_max77663) = { + .id = UCLASS_SYSRESET, + .name = MAX77663_RST_DRIVER, + .ops = &max77663_sysreset, +}; diff --git a/drivers/sysreset/sysreset_palmas.c b/drivers/sysreset/sysreset_palmas.c new file mode 100644 index 0000000..9e3aa40 --- /dev/null +++ b/drivers/sysreset/sysreset_palmas.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <i2c.h> +#include <errno.h> +#include <sysreset.h> +#include <power/pmic.h> +#include <power/palmas.h> + +static int palmas_sysreset_request(struct udevice *dev, + enum sysreset_t type) +{ + struct palmas_priv *priv = dev_get_priv(dev->parent); + int ret; + + /* + * Mask INT3 on second page which detects vbus + * or device will immediately turn on. + */ + ret = dm_i2c_reg_clrset(priv->chip2, PALMAS_INT3_MASK, + MASK_VBUS, MASK_VBUS); + if (ret < 0) + return ret; + + switch (type) { + case SYSRESET_POWER: + /* PALMAS: SW_RST > DEV_CTRL */ + pmic_reg_write(dev->parent, PALMAS_DEV_CTRL, SW_RST); + break; + case SYSRESET_POWER_OFF: + /* PALMAS: DEV_OFF > DEV_CTRL */ + pmic_reg_write(dev->parent, PALMAS_DEV_CTRL, DEV_OFF); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops palmas_sysreset = { + .request = palmas_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_palmas) = { + .id = UCLASS_SYSRESET, + .name = PALMAS_RST_DRIVER, + .ops = &palmas_sysreset, +}; diff --git a/drivers/sysreset/sysreset_tegra.c b/drivers/sysreset/sysreset_tegra.c new file mode 100644 index 0000000..10bcd3a --- /dev/null +++ b/drivers/sysreset/sysreset_tegra.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <errno.h> +#include <sysreset.h> +#include <linux/err.h> +#include <asm/arch-tegra/pmc.h> + +static int tegra_sysreset_request(struct udevice *dev, + enum sysreset_t type) +{ + u32 value; + + switch (type) { + case SYSRESET_WARM: + case SYSRESET_COLD: + /* resets everything but scratch 0 and reset status */ + value = tegra_pmc_readl(PMC_CNTRL); + value |= PMC_CNTRL_MAIN_RST; + tegra_pmc_writel(value, PMC_CNTRL); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops tegra_sysreset = { + .request = tegra_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_tegra) = { + .id = UCLASS_SYSRESET, + .name = "sysreset_tegra", + .ops = &tegra_sysreset, +}; + +/* Link to Tegra PMC once there is a driver */ +U_BOOT_DRVINFO(sysreset_tegra) = { + .name = "sysreset_tegra" +}; diff --git a/drivers/sysreset/sysreset_tps65910.c b/drivers/sysreset/sysreset_tps65910.c new file mode 100644 index 0000000..98da566 --- /dev/null +++ b/drivers/sysreset/sysreset_tps65910.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <i2c.h> +#include <errno.h> +#include <sysreset.h> +#include <power/pmic.h> +#include <power/tps65910_pmic.h> + +static int tps65910_sysreset_request(struct udevice *dev, + enum sysreset_t type) +{ + int val; + + val = pmic_reg_read(dev->parent, TPS65910_REG_DEVICE_CTRL); + if (val < 0) + return val; + + /* define power-off to be sequential */ + val |= PWR_OFF_SEQ; + pmic_reg_write(dev->parent, TPS65910_REG_DEVICE_CTRL, val); + + val &= ~DEV_ON; + + switch (type) { + case SYSRESET_POWER: + /* TPS65910: DEV_OFF_RST > DEVICE_CTRL */ + pmic_reg_write(dev->parent, TPS65910_REG_DEVICE_CTRL, + val | DEV_OFF_RST); + break; + case SYSRESET_POWER_OFF: + /* TPS65910: DEV_OFF > DEVICE_CTRL */ + pmic_reg_write(dev->parent, TPS65910_REG_DEVICE_CTRL, + val | DEV_OFF); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops tps65910_sysreset = { + .request = tps65910_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_tps65910) = { + .id = UCLASS_SYSRESET, + .name = TPS65910_RST_DRIVER, + .ops = &tps65910_sysreset, +}; diff --git a/drivers/sysreset/sysreset_tps80031.c b/drivers/sysreset/sysreset_tps80031.c new file mode 100644 index 0000000..50024fe --- /dev/null +++ b/drivers/sysreset/sysreset_tps80031.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <i2c.h> +#include <errno.h> +#include <sysreset.h> +#include <power/pmic.h> +#include <power/tps80031.h> + +static int tps80031_sysreset_request(struct udevice *dev, + enum sysreset_t type) +{ + switch (type) { + case SYSRESET_POWER: + /* TPS80031: SW_RESET > PHOENIX_DEV_ON */ + pmic_reg_write(dev->parent, TPS80031_PHOENIX_DEV_ON, SW_RESET); + break; + case SYSRESET_POWER_OFF: + /* TPS80031: DEVOFF > PHOENIX_DEV_ON */ + pmic_reg_write(dev->parent, TPS80031_PHOENIX_DEV_ON, DEVOFF); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops tps80031_sysreset = { + .request = tps80031_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_tps80031) = { + .id = UCLASS_SYSRESET, + .name = TPS80031_RST_DRIVER, + .ops = &tps80031_sysreset, +}; |